Eclipse搭建SSH（Struts2+Spring3+Hibernate3）框架项目教程
2016-12-13 22:41
621 查看
本文提纲：本文通过一个用户注册的实例讲解SSH的整合。创建Struts项目，整合Hibernate，整合Spring。最后总结如何熟练创建SSH项目。
仅是创建SSH项目，对于其他的扩展例如Struts的国际化，Hibernate的缓存优化，Spring的AOP等，本博文涉及不到。想学习更多的东西请搜索其他博文。
本项目的环境：Windows 8-64位，Eclipse Indigo Service Release 2，Tomcat 7.0，Struts-2.2.3.1，spring-framework-3.2.3.RELEASE（本来使用Spring3.1，但是整合Spring的时候启动服务器报错。错误信息竟然是Spring框架中的方法参数空指针。。。对比Spring3.2版本后，发现在3.2种增加了判断此参数是否为空，所以最终改为用Spring3.2.3的版本。详细错误信息见本目录下5），hibernate-release-4.0.0.CR6（整合Spring3时，可以启动服务器，但是点击注册后调用UserDao类的getHibernateTemplate().save(Obj)时浏览器页面报错，但是服务器没有反应。提示org.hibernate.SessionFactory中有没有openSession(Interceptor
interceptor)
方法，但是Spring框架中的代码Session session = (entityInterceptor != null ? sessionFactory.openSession(entityInterceptor) : sessionFactory.openSession())显示用到该方法，虽然调用这段代码的方法传进来的entityInterceptor就为null。。。网上搜索无果，所以最终在整合Spring的时候使用Hibernate-3.6.10.Final。详细错误信息见本目录下6），MySQL
5.5.28下的project数据库。
user表的创建脚本。
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1. create table user(
2.
userId int auto_increment,
3. userName varchar(16) not null,
4.
password varchar(16) not null,
5. gender int not null,
6.
primary key(userId)
7. );
使用Spring3.1时出现错误的详细信息。
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1. SEVERE: Context initialization failed
2.
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is java.lang.NullPointerException
3. at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1445)
4.
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:522)
5. at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:459)
6.
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294)
7. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225)
8.
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291)
9. at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)
10.
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:567)
11. at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:913)
12.
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:464)
13. at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:381)
14.
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:283)
15. at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:111)
16.
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4723)
17. at org.apache.catalina.core.St
20000
andardContext$1.call(StandardContext.java:5226)
18.
at org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5221)
19. at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
20.
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
21. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
22.
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
23. at java.lang.Thread.run(Thread.java:722)
24.
Caused by: java.lang.NullPointerException
25. at org.springframework.orm.hibernate4.LocalSessionFactoryBuilder.scanPackages(LocalSessionFactoryBuilder.java:138)
26.
at org.springframework.orm.hibernate4.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:294)
27. at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1504)
28.
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1442)
29. ... 20 more
30.
31. 七月 13, 2013 6:48:44 下午 org.apache.catalina.core.StandardContext listenerStart
32.
SEVERE: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener
33. org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is java.lang.NullPointerException
34.
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1445)
35. at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:522)
36.
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:459)
37. at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294)
38.
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225)
39. at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291)
40.
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)
41. at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:567)
42.
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:913)
43. at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:464)
44.
at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:381)
45. at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:283)
46.
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:111)
47. at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4723)
48.
at org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5226)
49. at org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5221)
50.
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
51. at java.util.concurrent.FutureTask.run(FutureTask.java:166)
52.
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
53. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
54.
at java.lang.Thread.run(Thread.java:722)
55. Caused by: java.lang.NullPointerException
56.
at org.springframework.orm.hibernate4.LocalSessionFactoryBuilder.scanPackages(LocalSessionFactoryBuilder.java:138)
57. at org.springframework.orm.hibernate4.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:294)
58.
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1504)
59. at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1442)
60.
... 20 more
整合Spring时候，使用Hibernate时点击注册报错信息。
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1. java.lang.reflect.InvocationTargetException
2.
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
3. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
4.
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
5. java.lang.reflect.Method.invoke(Method.java:601)
6.
com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:452)
7. com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:291)
8.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:254)
9. com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:176)
10.
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
11. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
12.
com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:263)
13. org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
14.
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
15. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
16.
com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138)
17. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
18.
com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:207)
19. com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
20.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
21. com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:207)
22.
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
23. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
24.
com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:190)
25. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
26.
org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)
27. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
28.
org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94)
29. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
30.
org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:243)
31. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
32.
com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)
33. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
34.
com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141)
35. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
36.
org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:270)
37. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
38.
com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:145)
39. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
40.
com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171)
41. com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
42.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
43. com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:176)
44.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
45. org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
46.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
47. com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:190)
48.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
49. com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:187)
50.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
51. org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)
52.
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:498)
53. org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
54.
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91)
55.
56.
root cause
57.
58.
java.lang.NoSuchMethodError: org.hibernate.SessionFactory.openSession()Lorg/hibernate/classic/Session;
59. org.springframework.orm.hibernate3.SessionFactoryUtils.doGetSession(SessionFactoryUtils.java:323)
60.
org.springframework.orm.hibernate3.SessionFactoryUtils.getSession(SessionFactoryUtils.java:235)
61. org.springframework.orm.hibernate3.HibernateTemplate.getSession(HibernateTemplate.java:457)
62.
org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:392)
63. org.springframework.orm.hibernate3.HibernateTemplate.executeWithNativeSession(HibernateTemplate.java:374)
64.
org.springframework.orm.hibernate3.HibernateTemplate.save(HibernateTemplate.java:683)
65. com.ynwi.ssh.daoImpl.UserDao.saveObject(UserDao.java:12)
66.
com.ynwi.ssh.serviceImpl.UserManagerImpl.regUser(UserManagerImpl.java:23)
67. com.ynwi.ssh.action.RegisterAction.execute(RegisterAction.java:29)
68.
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
69. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
70.
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
71. java.lang.reflect.Method.invoke(Method.java:601)
72.
com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:452)
73. com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:291)
74.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:254)
75. com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:176)
76.
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
77. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
78.
com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:263)
79. org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
80.
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
81. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
82.
com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138)
83. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
84.
com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:207)
85. com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
86.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
87. com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:207)
88.
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
89. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
90.
com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:190)
91. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
92.
org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)
93. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
94.
org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94)
95. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
96.
org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:243)
97. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
98.
com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)
99. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
100.
com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141)
101. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
102.
org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:270)
103. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
104.
com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:145)
105. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
106.
com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171)
107. com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
108.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
109. com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:176)
110.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
111. org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
112.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
113. com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:190)
114.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
115. com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:187)
116.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
117. org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)
118.
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:498)
119. org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
120.
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91)
创建Struts项目
创建工程
在Eclipse中创建一个Dynamic Web Project，本文项目名称为SSHProject。
把Struts内apps文件夹下的struts2-blank war包用压缩工具解压，然后把WEB-INF/lib内的jar包和WEB-INF下的web.xml文件分别复制到SSHProject项目下的WEB-INF/lib内和WEB-INF下。
在src目录下创建相应package。
在WebContent下创建Register.jsp文件，并分别创建注册成功和注册失败的Success.jsp和Fail.jsp。
操作完成后的结构如图所示：
编写代码
web.xml的内容。
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1. <?xml version="1.0" encoding="UTF-8"?>
2.
<web-app id="WebApp_9" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
3. xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4.
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> 5.
6.
<display-name>SSH Project</display-name>
7.
8.
<filter>
9. <filter-name>SSH</filter-name>
10.
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
11. </filter>
12.
13. <filter-mapping>
14.
<filter-name>SSH</filter-name>
15. <url-pattern>/*</url-pattern>
16.
</filter-mapping>
17.
18.
<welcome-file-list>
19. <welcome-file>index.html</welcome-file>
20.
</welcome-file-list>
21.
22.
</web-app>
Register.jsp的内容。
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1. <%@ page language="java" contentType="text/html; charset=UTF-8"
2.
pageEncoding="UTF-8"%>
3. <%@ taglib prefix="s" uri="/struts-tags"%>
4.
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
5. <html>
6.
<head>
7. <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
8.
<title>User Register Page</title>
9. </head>
10.
<body>
11.
12.
<s:form action="register">
13. <s:textfield name="user.username" label="用户名"></s:textfield>
14.
<s:password name="user.password" label="密码"></s:password>
15. <s:select list="#{'1':'男','0':'女'}" listKey="key" listValue="value"
16.
name="user.gender" label="性别" value="1"></s:select>
17. <s:submit value="注册"></s:submit>
18.
</s:form>
19.
20.
</body>
21. </html>
用户表单类UserForm.java的内容。
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1. package com.ynwi.ssh.beans;
2.
3. public class UserForm {
4.
5. private String username;
6.
private String password;
7. private int gender;
8.
9. public String getUsername() {
10.
return username;
11. }
12.
13. public void setUsername(String username) {
14.
this.username = username;
15. }
16.
17. public String getPassword() {
18.
return password;
19. }
20.
21. public void setPassword(String password) {
22.
this.password = password;
23. }
24.
25. public int getGender() {
26.
return gender;
27. }
28.
29. public void setGender(int gender) {
30.
this.gender = gender;
31. }
32.
33. }
注册Action类RegisterAction.java的内容。
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1. package com.ynwi.ssh.action;
2.
3. import com.opensymphony.xwork2.ActionSupport;
4.
import com.ynwi.ssh.beans.UserForm;
5. import com.ynwi.ssh.service.UserManager;
6.
import com.ynwi.ssh.serviceImpl.UserManagerImpl;
7.
8.
public class RegisterAction extends ActionSupport {
9.
10.
private static final long serialVersionUID = 1L;
11.
12.
private UserForm user;
13.
14.
private UserManager userManager;
15.
16.
public UserForm getUser() {
17. return user;
18.
}
19.
20.
public void setUser(UserForm user) {
21. this.user = user;
22.
}
23.
24.
public UserManager getUserManager() {
25. return userManager;
26.
}
27.
28.
public void setUserManager(UserManager userManager) {
29. this.userManager = userManager;
30.
}
31.
32.
public String execute() {
33. try {
34.
this.setUserManager(new UserManagerImpl());
35. userManager.regUser(user);
36.
return SUCCESS;
37.
38.
} catch (Exception e) {
39. e.printStackTrace();
40.
return ERROR;
41. }
42.
}
43.
44.
}
验证文件RegisterAction-validation.xml的内容。该xml文件为RegisterAction的验证文件，命名格式固定，为< ActionName >-validation.xml。
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1. <?xml version="1.0" encoding="GBK"?>
2.
<!DOCTYPE validators PUBLIC "-//OpenSymphony Group//XWork Validator 1.0.2//EN"
3. "http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd">
4.
5. <validators>
6.
<!-- 添加对用户名的校验 -->
7. <field name="user.username">
8.
<field-validator type="requiredstring">
9. <param name="trim">true</param>
10.
<message>用户名不能为空</message>
11. </field-validator>
12.
<field-validator type="regex">
13. <param name="expression"><![CDATA[(\w{6,16})]]></param>
14.
<message>用户名输入不合法，必须为长度在6~16中间的数字或字母</message>
15. </field-validator>
16.
</field>
17.
18.
<!-- 添加对密码的校验 -->
19. <field name="user.password">
20.
<field-validator type="requiredstring">
21. <param name="trim">true</param>
22.
<message>密码不能为空</message>
23. </field-validator>
24.
<field-validator type="regex">
25. <param name="expression"><![CDATA[(\w{6,16})]]></param>
26.
<message>密码输入不合法，必须为长度在6~16之间的数字或者字母</message>
27. </field-validator>
28.
</field>
29. </validators>
业务逻辑接口UserManaer.java的内容。
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1. package com.ynwi.ssh.service;
2.
3. import com.ynwi.ssh.beans.UserForm;
4.
5. public interface UserManager {
6.
7. public void regUser(UserForm user);
8.
9. }
业务逻辑实现类UserManagerImpl.java的内容
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1. package com.ynwi.ssh.serviceImpl;
2.
3. import com.ynwi.ssh.beans.UserForm;
4.
import com.ynwi.ssh.service.UserManager;
5.
6.
public class UserManagerImpl implements UserManager {
7.
8.
@Override
9. public void regUser(UserForm user) {
10.
11. }
12.
13. }
配置文件struts.xml的内容。
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1. <?xml version="1.0" encoding="UTF-8" ?>
2.
<!DOCTYPE struts PUBLIC
3. "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
4.
"http://struts.apache.org/dtds/struts-2.0.dtd">
5.
6.
<struts>
7.
8.
<include file="struts-default.xml" />
9. <package name="ynwi" extends="struts-default">
10.
<action name="register" class="com.ynwi.ssh.action.RegisterAction">
11. <result name="input">/Register.jsp</result>
12.
<result name="success">/Success.jsp</result>
13. <result name="error">/Fail.jsp</result>
14.
</action>
15. </package>
16.
17. </struts>
Success.jsp和Fail.jsp仅仅只是一句提示注册成功和失败的话，这里就不在列出。
运行效果
输入访问Register.jsp的地址http://localhost:9090/SSHProject/Register.jsp后。
输入用户名和密码不合法时。
注册成功时。
在Struts基础上整合Hibernate
整合Hibernate
将Hibernate内的lib/required下的jar包和lib/jpa下的jar包复制到SSHProject项目的lib目录下。
在上面Struts项目的基础上添加com.ynwi.ssh.dao和com.ynwi.ssh.daoImpl包。分别创建BaseDao接口和UserDao类。
在数据库中创建对应的表user来写入要注册的用户。创建表的脚本见前言说明部分。
创建user表的Hibernate映射文件。因为这里要创建user表对应的POJO类，所以我这里把之前com.ynwi.ssh.beans包改成com.ynwi.ssh.forms包，用来存放页面传过来的表单数据，新创建com.ynwi.ssh.beans包，用来创建POJO对象来对应数据库中的表。路径：POJO类同目录。
建立Hibernate配置文件。路径：src目录下。
编写Session工厂类。整合Spring后，数据源的创建和SessionFactory的创建都交给Spring去管理，就无需这个工厂类了，所以这里我临时创建在daoImpl包里面。
修改业务逻辑实现类。
操作完成后的结构如图所示：
编写代码
接口类BaseDao.java的内容。注意：接口里的两个get/set方法是为了让实现类覆盖。这样使用BaseDao dao = new UserDao()的时候，dao实体中有这两个方法。
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1. package com.ynwi.ssh.dao;
2.
3. import org.hibernate.HibernateException;
4.
import org.hibernate.Session;
5.
6.
public interface BaseDao {
7.
8.
public void saveObject(Object obj) throws HibernateException;
9.
10.
public Session getSession();
11.
12.
public void setSession(Session session);
13. }
实现类UserDao.java的内容。
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1. package com.ynwi.ssh.daoImpl;
2.
3. import org.hibernate.HibernateException;
4.
import org.hibernate.Session;
5.
6.
import com.ynwi.ssh.dao.BaseDao;
7.
8.
public class UserDao implements BaseDao {
9.
10.
private Session session;
11.
12.
@Override
13. public Session getSession() {
14.
return session;
15. }
16.
17. @Override
18.
public void setSession(Session session) {
19. this.session = session;
20.
}
21.
22.
@Override
23. public void saveObject(Object obj) throws HibernateException {
24.
session.save(obj);
25. }
26.
27. }
表user的POJO类User.java的内容，因为跟UserForm.java内容差不多，所以不再列出。这个比UserForm.java多一个userId属性，因为在表user里面有userId的column。在POJO类里需要跟这个column有映射。
POJO类User.java的Hibernate映射文件User.hbm.xml的内容。代码<generator class="native"></generator>说明将根据本地数据库的设置来创建userId，如MySQL中将表user的userId设置为自动增长，则在保存记录是，userId将自动增长。对于需要在程序中指定主键的值，则将generator的class属性设置为assigned。
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1. <?xml version="1.0" encoding='UTF-8'?>
2.
<!DOCTYPE hibernate-mapping PUBLIC
3. "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
4.
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd" >
5.
6.
<hibernate-mapping package="com.ynwi.ssh.beans">
7. <class name="User" table="user">
8.
<id name="userId" column="userId">
9. <generator class="native"></generator>
10.
</id>
11. <property name="username" column="userName" type="java.lang.String"
12.
not-null="true" length="16"></property>
13. <property name="password" column="password" type="java.lang.String"
14.
not-null="true" length="16" />
15. <property name="gender" column="gender" type="java.lang.Integer" length="1" />
16.
</class>
17. </hibernate-mapping>
Hibernate配置文件Hibernate.cfg.xml的内容。
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1. <?xml version='1.0' encoding='utf-8'?>
2.
<!DOCTYPE hibernate-configuration PUBLIC
3. "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
4.
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
5.
6.
<hibernate-configuration>
7. <session-factory>
8.
<!-- Database connection settings -->
9. <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
10.
<property name="connection.url">jdbc:mysql://localhost:3306/project</property>
11. <property name="connection.username">root</property>
12.
<property name="connection.password">root</property>
13.
14.
<!-- JDBC connection pool (use the built-in) -->
15. <!-- <property name="connection.pool_size">1</property> -->
16.
17. <!-- SQL dialect -->
18.
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
19.
20.
<!-- Enable Hibernate's automatic session context management -->
21. <!-- <property name="current_session_context_class">thread</property> -->
22.
23. <!-- Disable the second-level cache -->
24.
<!-- <property name="cache.provider_class">org.hibernate.cache.internal.NoCacheProvider</property> -->
25.
26.
<!-- Echo all executed SQL to stdout -->
27. <property name="show_sql">true</property>
28.
29. <!-- Drop and re-create the database schema on startup -->
30.
<!-- <property name="hbm2ddl.auto">update</property> -->
31. <mapping resource="com/ynwi/ssh/beans/User.hbm.xml"/>
32.
</session-factory>
33. </hibernate-configuration>
工厂类SessionFactory的内容。（这是使用Hibernate4时候的SessionFactory，Hibernate3时候sessionFactory的创建估计会不一样，请自行查阅。）
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1. package com.ynwi.ssh.daoImpl;
2.
3. import org.hibernate.HibernateException;
4.
import org.hibernate.Session;
5. import org.hibernate.SessionFactory;
6.
import org.hibernate.cfg.Configuration;
7. import org.hibernate.service.ServiceRegistry;
8.
import org.hibernate.service.ServiceRegistryBuilder;
9.
10.
public class HibernateSessionFactory {
11.
12.
private static final String CFG_FILE_LOCATION = "/Hibernate.cfg.xml";
13.
14.
private static final ThreadLocal<Session> threadLocal = new ThreadLocal<Session>();
15.
16.
private static final Configuration cfg = new Configuration()
17. .configure(CFG_FILE_LOCATION);
18.
19. private static ServiceRegistryBuilder builder = new ServiceRegistryBuilder()
20.
.applySettings(cfg.getProperties());
21.
22.
private static ServiceRegistry registry;
23.
24.
private static SessionFactory sessionFactory;
25.
26.
public static Session currentSession() throws HibernateException {
27. Session session = threadLocal.get();
28.
29. if (session == null || session.isOpen() == false) {
30.
31. if (sessionFactory == null) {
32.
try {
33. registry = builder.buildServiceRegistry();
34.
sessionFactory = cfg.buildSessionFactory(registry);
35. } catch (Exception e) {
36.
e.printStackTrace();
37. }
38.
}
39.
40.
session = sessionFactory.openSession();
41. threadLocal.set(session);
42.
43. }
44.
45. return session;
46.
}
47.
48.
public static void closeSession() throws HibernateException {
49. Session session = threadLocal.get();
50.
threadLocal.set(null);
51. if (session != null) {
52.
session.close();
53. }
54.
}
55.
56.
}
修改后的业务逻辑实现类的内容。
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1. package com.ynwi.ssh.serviceImpl;
2.
3. import org.hibernate.HibernateException;
4.
import org.hibernate.Session;
5. import org.hibernate.Transaction;
6.
7. import com.ynwi.ssh.beans.User;
8.
import com.ynwi.ssh.dao.BaseDao;
9. import com.ynwi.ssh.daoImpl.HibernateSessionFactory;
10.
import com.ynwi.ssh.daoImpl.UserDao;
11. import com.ynwi.ssh.forms.UserForm;
12.
import com.ynwi.ssh.service.UserManager;
13.
14.
public class UserManagerImpl implements UserManager {
15.
16.
private BaseDao dao;
17.
18.
private Session session;
19.
20.
public UserManagerImpl() {
21. dao = new UserDao();
22.
}
23.
24.
@Override
25. public void regUser(UserForm userForm) throws HibernateException {
26.
session = HibernateSessionFactory.currentSession();
27. dao.setSession(session);
28.
// 获取事务
29. Transaction ts = session.beginTransaction();
30.
// 构造User对象
31. User user = new User();
32.
user.setUsername(userForm.getUsername());
33. user.setPassword(userForm.getPassword());
34.
user.setGender(userForm.getGender());
35. // 保存User对象
36.
dao.saveObject(user);
37. // 提交事务
38.
ts.commit();
39. // 关闭Session
40.
HibernateSessionFactory.closeSession();
41. }
42.
43. }
运行效果
输入访问Register.jsp的地址http://localhost:9090/SSHProject/Register.jsp后。
点击注册前后数据库里面的数据。
在Struts + Hibernate项目中整合Spring
整合Spring
将Spring内libs目录下包含所有的jar包（不需要复制结尾为sources和javadoc的jar包）到SSHProject项目的lib目录下。
编写Spring的配置文件applicationContext.xml。路径：src目录下，需要在web.xml配置context-param指定路径，或者把该文件放在WEB-INF下，跟web.xml同目录。这里由于Spring配置数据源的需要，需要把Hibernate内lib/optional/c3p0下的c3p0-0.9.1.jar复制到lib不目下。
修改BaseDao和UserDao。在引入Spring后，需要用Spring进行统一的事务管理，数据源和sessionFactory都交给Spring去生成，因此接口类和实现类BaseDao和UserDao都需要做相应的修改。Spring提供了HibernateDaoSupport类来完成对数据的操作，因此UserDao在实现BaseDao的同时还需要继承HibernateDaoSupport类。并将先前session的操作修改成HibernateTemplate（可通过getHibernateTemplate（）方法来获得）的操作。
修改业务逻辑实现类。在没有加入Spring之前，业务逻辑实现类的Session的获得，dao的实例化，以及事务的管理都是该类执行管理的。加入Spring后，这些都交给Spring去管理。该类的dao的实例化由Spring注入。
修改用户注册的RegisterAction类。同样，RegisterAction类中的userManager的实例化也由Spring注入。
删除Hibernate的配置文件Hibernate.cfg.xml和工厂类HibernateSesseionFactory类。他们的工作已经交给Spring去做，已经不再有用。
修改web.xml，加载Spring。要想启动时加载Spring的配置文件，需要在web.xml中配置对应的监听器（listenser），并制定Spring的配置文件。
修改Struts的配置文件struts.xml。把原来指定的名为register的action的class由原来的路径变为applicationContext.xml文件中该Action的id。
操作完成后的结构如图所示：
编写代码
Spring的配置文件applicationContext.xml的内容。
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1. <?xml version="1.0" encoding="UTF-8"?>
2.
<beans xmlns="http://www.springframework.org/schema/beans"
3. xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4.
xsi:schemaLocation="http://www.springframework.org/schema/beans
5. http://www.springframework.org/schema/beans/spring-beans-3.0.xsd"> 6.
7. <!-- 定义数据源的信息 -->
8.
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
9. destroy-method="close">
10.
<property name="driverClass">
11. <value>com.mysql.jdbc.Driver</value>
12.
</property>
13. <property name="jdbcUrl">
14.
<value>jdbc:mysql://localhost/project</value>
15. </property>
16.
<property name="user">
17. <value>root</value>
18.
</property>
19. <property name="password">
20.
<value>root</value>
21. </property>
22.
<property name="maxPoolSize">
23. <value>80</value>
24.
</property>
25. <property name="minPoolSize">
26.
<value>1</value>
27. </property>
28.
<property name="initialPoolSize">
29. <value>1</value>
30.
</property>
31. <property name="maxIdleTime">
32.
<value>20</value>
33. </property>
34.
</bean>
35.
36.
<!--定义Hibernate的SessionFactory -->
37. <!-- SessionFactory使用的数据源为上面的数据源 -->
38.
<!-- 指定了Hibernate的映射文件和配置信息 -->
39. &nbs
13f37
p; <bean id="sessionFactory"
40.
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
41. <property name="dataSource">
42.
<ref local="dataSource" />
43. </property>
44.
<property name="mappingResources">
45. <list>
46.
<value>com/ynwi/ssh/beans/User.hbm.xml</value>
47. </list>
48.
</property>
49. <property name="hibernateProperties">
50.
<props>
51. <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
52.
<prop key="show_sql">true</prop>
53. <prop key="hibernate.jdbc.batch_size">20</prop>
54.
</props>
55. </property>
56.
</bean>
57.
58.
<bean id="transactionManager"
59. class="org.springframework.orm.hibernate3.HibernateTransactionManager">
60.
<property name="sessionFactory" ref="sessionFactory" />
61. </bean>
62.
63. <bean id="baseDao" class="com.ynwi.ssh.daoImpl.UserDao">
64.
<property name="sessionFactory">
65. <ref bean="sessionFactory" />
66.
</property>
67. </bean>
68.
69. <!--用户注册业务逻辑类 -->
70.
<bean id="userManager" class="com.ynwi.ssh.serviceImpl.UserManagerImpl">
71. <property name="dao">
72.
<ref bean="baseDao" />
73. </property>
74.
</bean>
75.
76.
<!-- 用户注册的Action -->
77. <bean id="regAction" class="com.ynwi.ssh.action.RegisterAction">
78.
<property name="userManager">
79. <ref bean="userManager" />
80.
</property>
81. </bean>
82.
83. <!-- more bean definitions go here -->
84.
85. </beans>
修改后的接口类Dao和实现类UserDao的内容。
BaseDao.java
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1. package com.ynwi.ssh.dao;
2.
3. import org.hibernate.HibernateException;
4.
5. public interface BaseDao {
6.
7. public void saveObject(Object obj) throws HibernateException;
8.
9. }
UserDao.java
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1. package com.ynwi.ssh.daoImpl;
2.
3. import org.hibernate.HibernateException;
4.
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
5.
6.
import com.ynwi.ssh.dao.BaseDao;
7.
8.
public class UserDao extends HibernateDaoSupport implements BaseDao {
9.
10.
@Override
11. public void saveObject(Object obj) throws HibernateException {
12.
getHibernateTemplate().save(obj);
13. }
14.
15. }
修改后的业务逻辑实现类UserManagerImpl的内容。
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1. package com.ynwi.ssh.serviceImpl;
2.
3. import org.hibernate.HibernateException;
4.
import org.springframework.beans.BeanUtils;
5.
6.
import com.ynwi.ssh.beans.User;
7. import com.ynwi.ssh.dao.BaseDao;
8.
import com.ynwi.ssh.forms.UserForm;
9. import com.ynwi.ssh.service.UserManager;
10.
11. public class UserManagerImpl implements UserManager {
12.
13. private BaseDao dao;
14.
15. public void setDao(BaseDao dao) {
16.
this.dao = dao;
17. }
18.
19. @Override
20.
public void regUser(UserForm userForm) throws HibernateException {
21. User user = new User();
22.
BeanUtils.copyProperties(userForm, user);
23. dao.saveObject(user);
24.
}
25.
26.
}
修改后的用户注册Action类RegisterAction的内容。
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1. package com.ynwi.ssh.action;
2.
3. import com.opensymphony.xwork2.ActionSupport;
4.
import com.ynwi.ssh.forms.UserForm;
5. import com.ynwi.ssh.service.UserManager;
6.
7. public class RegisterAction extends ActionSupport {
8.
9. private static final long serialVersionUID = 1L;
10.
11. private UserForm user;
12.
13. private UserManager userManager;
14.
15. public UserForm getUser() {
16.
return user;
17. }
18.
19. public void setUser(UserForm user) {
20.
this.user = user;
21. }
22.
23. public void setUserManager(UserManager userManager) {
24.
this.userManager = userManager;
25. }
26.
27. public String execute() {
28.
try {
29. userManager.regUser(user);
30.
return SUCCESS;
31.
32.
} catch (Exception e) {
33. e.printStackTrace();
34.
return ERROR;
35. }
36.
}
37.
38.
}
修改后的web.xml的内容。
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1. <?xml version="1.0" encoding="UTF-8"?>
2.
<web-app id="WebApp_9" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
3. xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4.
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> 5.
6.
<display-name>SSH Project</display-name>
7.
8.
<filter>
9. <filter-name>SSH</filter-name>
10.
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
11. </filter>
12.
13. <filter-mapping>
14.
<filter-name>SSH</filter-name>
15. <url-pattern>/*</url-pattern>
16.
</filter-mapping>
17.
18.
<listener>
19. <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
20.
</listener>
21.
22.
<welcome-file-list>
23. <welcome-file>index.html</welcome-file>
24.
</welcome-file-list>
25.
26.
</web-app>
修改后的Struts配置文件struts.xml的内容。
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1. <?xml version="1.0" encoding="UTF-8" ?>
2.
<!DOCTYPE struts PUBLIC
3. "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
4.
"http://struts.apache.org/dtds/struts-2.0.dtd">
5.
6.
<struts>
7.
8.
<include file="struts-default.xml" />
9. <package name="ynwi" extends="struts-default">
10.
<action name="register" class="regAction">
11. <result name="input">/Register.jsp</result>
12.
<result name="success">/Success.jsp</result>
13. <result name="error">/Fail.jsp</result>
14.
</action>
15. </package>
16.
17. </struts>
运行结果
输入访问Register.jsp的地址http://localhost:9090/SSHProject/Register.jsp后。
点击注册前后数据库里面的数据。
总结
唠叨
本来想创建Struts2 + Spring3+ Hibernate4的项目，结果行动之后才发现版本之间不兼容的现象挺严重（我自己是这么认为的，如果有大神看出来是我开发中出的问题导致麻烦告知下），不得不把Hibernate4换成Hibernate3。因为中间换框架，所以导致此博文中整合hibernate部分是否会报错，不过最终的项目是可以执行的。我会把项目打包上传到csdn资源上。可以点击这里下载。
如何快速开发SSH框架项目
创建Dynamic Web Project并且导入jar包。
我习惯上把classes文件夹由build文件夹内转移到WEB-INF下。在项目上右键Build Path——〉Configure Build Path。设置Default output folder。
在WEB_INF下面创建web.xml并配置Struts的Filter和Spring的Listener。
在WEB-INF下面创建applicationContext.xml并配置数据源，sessionFactory，Transaction以及各Beans信息。
在src目录下创建struts.xml用来配置action信息，模板可以从Struts空项目里面拿。这里的action对应的class应该为applicationContext.xml内对应的class的bean的id。
仅是创建SSH项目，对于其他的扩展例如Struts的国际化，Hibernate的缓存优化，Spring的AOP等，本博文涉及不到。想学习更多的东西请搜索其他博文。
本项目的环境：Windows 8-64位，Eclipse Indigo Service Release 2，Tomcat 7.0，Struts-2.2.3.1，spring-framework-3.2.3.RELEASE（本来使用Spring3.1，但是整合Spring的时候启动服务器报错。错误信息竟然是Spring框架中的方法参数空指针。。。对比Spring3.2版本后，发现在3.2种增加了判断此参数是否为空，所以最终改为用Spring3.2.3的版本。详细错误信息见本目录下5），hibernate-release-4.0.0.CR6（整合Spring3时，可以启动服务器，但是点击注册后调用UserDao类的getHibernateTemplate().save(Obj)时浏览器页面报错，但是服务器没有反应。提示org.hibernate.SessionFactory中有没有openSession(Interceptor
interceptor)
方法，但是Spring框架中的代码Session session = (entityInterceptor != null ? sessionFactory.openSession(entityInterceptor) : sessionFactory.openSession())显示用到该方法，虽然调用这段代码的方法传进来的entityInterceptor就为null。。。网上搜索无果，所以最终在整合Spring的时候使用Hibernate-3.6.10.Final。详细错误信息见本目录下6），MySQL
5.5.28下的project数据库。
user表的创建脚本。
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1. create table user(
2.
userId int auto_increment,
3. userName varchar(16) not null,
4.
password varchar(16) not null,
5. gender int not null,
6.
primary key(userId)
7. );
使用Spring3.1时出现错误的详细信息。
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1. SEVERE: Context initialization failed
2.
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is java.lang.NullPointerException
3. at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1445)
4.
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:522)
5. at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:459)
6.
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294)
7. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225)
8.
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291)
9. at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)
10.
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:567)
11. at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:913)
12.
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:464)
13. at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:381)
14.
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:283)
15. at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:111)
16.
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4723)
17. at org.apache.catalina.core.St
20000
andardContext$1.call(StandardContext.java:5226)
18.
at org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5221)
19. at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
20.
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
21. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
22.
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
23. at java.lang.Thread.run(Thread.java:722)
24.
Caused by: java.lang.NullPointerException
25. at org.springframework.orm.hibernate4.LocalSessionFactoryBuilder.scanPackages(LocalSessionFactoryBuilder.java:138)
26.
at org.springframework.orm.hibernate4.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:294)
27. at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1504)
28.
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1442)
29. ... 20 more
30.
31. 七月 13, 2013 6:48:44 下午 org.apache.catalina.core.StandardContext listenerStart
32.
SEVERE: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener
33. org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is java.lang.NullPointerException
34.
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1445)
35. at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:522)
36.
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:459)
37. at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294)
38.
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225)
39. at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291)
40.
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)
41. at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:567)
42.
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:913)
43. at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:464)
44.
at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:381)
45. at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:283)
46.
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:111)
47. at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4723)
48.
at org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5226)
49. at org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5221)
50.
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
51. at java.util.concurrent.FutureTask.run(FutureTask.java:166)
52.
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
53. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
54.
at java.lang.Thread.run(Thread.java:722)
55. Caused by: java.lang.NullPointerException
56.
at org.springframework.orm.hibernate4.LocalSessionFactoryBuilder.scanPackages(LocalSessionFactoryBuilder.java:138)
57. at org.springframework.orm.hibernate4.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:294)
58.
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1504)
59. at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1442)
60.
... 20 more
整合Spring时候，使用Hibernate时点击注册报错信息。
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1. java.lang.reflect.InvocationTargetException
2.
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
3. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
4.
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
5. java.lang.reflect.Method.invoke(Method.java:601)
6.
com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:452)
7. com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:291)
8.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:254)
9. com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:176)
10.
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
11. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
12.
com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:263)
13. org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
14.
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
15. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
16.
com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138)
17. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
18.
com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:207)
19. com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
20.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
21. com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:207)
22.
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
23. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
24.
com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:190)
25. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
26.
org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)
27. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
28.
org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94)
29. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
30.
org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:243)
31. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
32.
com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)
33. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
34.
com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141)
35. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
36.
org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:270)
37. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
38.
com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:145)
39. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
40.
com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171)
41. com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
42.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
43. com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:176)
44.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
45. org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
46.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
47. com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:190)
48.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
49. com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:187)
50.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
51. org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)
52.
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:498)
53. org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
54.
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91)
55.
56.
root cause
57.
58.
java.lang.NoSuchMethodError: org.hibernate.SessionFactory.openSession()Lorg/hibernate/classic/Session;
59. org.springframework.orm.hibernate3.SessionFactoryUtils.doGetSession(SessionFactoryUtils.java:323)
60.
org.springframework.orm.hibernate3.SessionFactoryUtils.getSession(SessionFactoryUtils.java:235)
61. org.springframework.orm.hibernate3.HibernateTemplate.getSession(HibernateTemplate.java:457)
62.
org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:392)
63. org.springframework.orm.hibernate3.HibernateTemplate.executeWithNativeSession(HibernateTemplate.java:374)
64.
org.springframework.orm.hibernate3.HibernateTemplate.save(HibernateTemplate.java:683)
65. com.ynwi.ssh.daoImpl.UserDao.saveObject(UserDao.java:12)
66.
com.ynwi.ssh.serviceImpl.UserManagerImpl.regUser(UserManagerImpl.java:23)
67. com.ynwi.ssh.action.RegisterAction.execute(RegisterAction.java:29)
68.
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
69. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
70.
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
71. java.lang.reflect.Method.invoke(Method.java:601)
72.
com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:452)
73. com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:291)
74.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:254)
75. com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:176)
76.
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
77. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
78.
com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:263)
79. org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
80.
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
81. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
82.
com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138)
83. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
84.
com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:207)
85. com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
86.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
87. com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:207)
88.
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
89. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
90.
com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:190)
91. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
92.
org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)
93. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
94.
org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94)
95. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
96.
org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:243)
97. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
98.
com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)
99. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
100.
com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141)
101. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
102.
org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:270)
103. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
104.
com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:145)
105. com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
106.
com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171)
107. com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
108.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
109. com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:176)
110.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
111. org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
112.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
113. com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:190)
114.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
115. com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:187)
116.
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
117. org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)
118.
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:498)
119. org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
120.
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91)
创建Struts项目
创建工程
在Eclipse中创建一个Dynamic Web Project，本文项目名称为SSHProject。
把Struts内apps文件夹下的struts2-blank war包用压缩工具解压，然后把WEB-INF/lib内的jar包和WEB-INF下的web.xml文件分别复制到SSHProject项目下的WEB-INF/lib内和WEB-INF下。
在src目录下创建相应package。
在WebContent下创建Register.jsp文件，并分别创建注册成功和注册失败的Success.jsp和Fail.jsp。
操作完成后的结构如图所示：
编写代码
web.xml的内容。
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1. <?xml version="1.0" encoding="UTF-8"?>
2.
<web-app id="WebApp_9" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
3. xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4.
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> 5.
6.
<display-name>SSH Project</display-name>
7.
8.
<filter>
9. <filter-name>SSH</filter-name>
10.
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
11. </filter>
12.
13. <filter-mapping>
14.
<filter-name>SSH</filter-name>
15. <url-pattern>/*</url-pattern>
16.
</filter-mapping>
17.
18.
<welcome-file-list>
19. <welcome-file>index.html</welcome-file>
20.
</welcome-file-list>
21.
22.
</web-app>
Register.jsp的内容。
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1. <%@ page language="java" contentType="text/html; charset=UTF-8"
2.
pageEncoding="UTF-8"%>
3. <%@ taglib prefix="s" uri="/struts-tags"%>
4.
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
5. <html>
6.
<head>
7. <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
8.
<title>User Register Page</title>
9. </head>
10.
<body>
11.
12.
<s:form action="register">
13. <s:textfield name="user.username" label="用户名"></s:textfield>
14.
<s:password name="user.password" label="密码"></s:password>
15. <s:select list="#{'1':'男','0':'女'}" listKey="key" listValue="value"
16.
name="user.gender" label="性别" value="1"></s:select>
17. <s:submit value="注册"></s:submit>
18.
</s:form>
19.
20.
</body>
21. </html>
用户表单类UserForm.java的内容。
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1. package com.ynwi.ssh.beans;
2.
3. public class UserForm {
4.
5. private String username;
6.
private String password;
7. private int gender;
8.
9. public String getUsername() {
10.
return username;
11. }
12.
13. public void setUsername(String username) {
14.
this.username = username;
15. }
16.
17. public String getPassword() {
18.
return password;
19. }
20.
21. public void setPassword(String password) {
22.
this.password = password;
23. }
24.
25. public int getGender() {
26.
return gender;
27. }
28.
29. public void setGender(int gender) {
30.
this.gender = gender;
31. }
32.
33. }
注册Action类RegisterAction.java的内容。
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1. package com.ynwi.ssh.action;
2.
3. import com.opensymphony.xwork2.ActionSupport;
4.
import com.ynwi.ssh.beans.UserForm;
5. import com.ynwi.ssh.service.UserManager;
6.
import com.ynwi.ssh.serviceImpl.UserManagerImpl;
7.
8.
public class RegisterAction extends ActionSupport {
9.
10.
private static final long serialVersionUID = 1L;
11.
12.
private UserForm user;
13.
14.
private UserManager userManager;
15.
16.
public UserForm getUser() {
17. return user;
18.
}
19.
20.
public void setUser(UserForm user) {
21. this.user = user;
22.
}
23.
24.
public UserManager getUserManager() {
25. return userManager;
26.
}
27.
28.
public void setUserManager(UserManager userManager) {
29. this.userManager = userManager;
30.
}
31.
32.
public String execute() {
33. try {
34.
this.setUserManager(new UserManagerImpl());
35. userManager.regUser(user);
36.
return SUCCESS;
37.
38.
} catch (Exception e) {
39. e.printStackTrace();
40.
return ERROR;
41. }
42.
}
43.
44.
}
验证文件RegisterAction-validation.xml的内容。该xml文件为RegisterAction的验证文件，命名格式固定，为< ActionName >-validation.xml。
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1. <?xml version="1.0" encoding="GBK"?>
2.
<!DOCTYPE validators PUBLIC "-//OpenSymphony Group//XWork Validator 1.0.2//EN"
3. "http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd">
4.
5. <validators>
6.
<!-- 添加对用户名的校验 -->
7. <field name="user.username">
8.
<field-validator type="requiredstring">
9. <param name="trim">true</param>
10.
<message>用户名不能为空</message>
11. </field-validator>
12.
<field-validator type="regex">
13. <param name="expression"><![CDATA[(\w{6,16})]]></param>
14.
<message>用户名输入不合法，必须为长度在6~16中间的数字或字母</message>
15. </field-validator>
16.
</field>
17.
18.
<!-- 添加对密码的校验 -->
19. <field name="user.password">
20.
<field-validator type="requiredstring">
21. <param name="trim">true</param>
22.
<message>密码不能为空</message>
23. </field-validator>
24.
<field-validator type="regex">
25. <param name="expression"><![CDATA[(\w{6,16})]]></param>
26.
<message>密码输入不合法，必须为长度在6~16之间的数字或者字母</message>
27. </field-validator>
28.
</field>
29. </validators>
业务逻辑接口UserManaer.java的内容。
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1. package com.ynwi.ssh.service;
2.
3. import com.ynwi.ssh.beans.UserForm;
4.
5. public interface UserManager {
6.
7. public void regUser(UserForm user);
8.
9. }
业务逻辑实现类UserManagerImpl.java的内容
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1. package com.ynwi.ssh.serviceImpl;
2.
3. import com.ynwi.ssh.beans.UserForm;
4.
import com.ynwi.ssh.service.UserManager;
5.
6.
public class UserManagerImpl implements UserManager {
7.
8.
@Override
9. public void regUser(UserForm user) {
10.
11. }
12.
13. }
配置文件struts.xml的内容。
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1. <?xml version="1.0" encoding="UTF-8" ?>
2.
<!DOCTYPE struts PUBLIC
3. "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
4.
"http://struts.apache.org/dtds/struts-2.0.dtd">
5.
6.
<struts>
7.
8.
<include file="struts-default.xml" />
9. <package name="ynwi" extends="struts-default">
10.
<action name="register" class="com.ynwi.ssh.action.RegisterAction">
11. <result name="input">/Register.jsp</result>
12.
<result name="success">/Success.jsp</result>
13. <result name="error">/Fail.jsp</result>
14.
</action>
15. </package>
16.
17. </struts>
Success.jsp和Fail.jsp仅仅只是一句提示注册成功和失败的话，这里就不在列出。
运行效果
输入访问Register.jsp的地址http://localhost:9090/SSHProject/Register.jsp后。
输入用户名和密码不合法时。
注册成功时。
在Struts基础上整合Hibernate
整合Hibernate
将Hibernate内的lib/required下的jar包和lib/jpa下的jar包复制到SSHProject项目的lib目录下。
在上面Struts项目的基础上添加com.ynwi.ssh.dao和com.ynwi.ssh.daoImpl包。分别创建BaseDao接口和UserDao类。
在数据库中创建对应的表user来写入要注册的用户。创建表的脚本见前言说明部分。
创建user表的Hibernate映射文件。因为这里要创建user表对应的POJO类，所以我这里把之前com.ynwi.ssh.beans包改成com.ynwi.ssh.forms包，用来存放页面传过来的表单数据，新创建com.ynwi.ssh.beans包，用来创建POJO对象来对应数据库中的表。路径：POJO类同目录。
建立Hibernate配置文件。路径：src目录下。
编写Session工厂类。整合Spring后，数据源的创建和SessionFactory的创建都交给Spring去管理，就无需这个工厂类了，所以这里我临时创建在daoImpl包里面。
修改业务逻辑实现类。
操作完成后的结构如图所示：
编写代码
接口类BaseDao.java的内容。注意：接口里的两个get/set方法是为了让实现类覆盖。这样使用BaseDao dao = new UserDao()的时候，dao实体中有这两个方法。
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1. package com.ynwi.ssh.dao;
2.
3. import org.hibernate.HibernateException;
4.
import org.hibernate.Session;
5.
6.
public interface BaseDao {
7.
8.
public void saveObject(Object obj) throws HibernateException;
9.
10.
public Session getSession();
11.
12.
public void setSession(Session session);
13. }
实现类UserDao.java的内容。
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1. package com.ynwi.ssh.daoImpl;
2.
3. import org.hibernate.HibernateException;
4.
import org.hibernate.Session;
5.
6.
import com.ynwi.ssh.dao.BaseDao;
7.
8.
public class UserDao implements BaseDao {
9.
10.
private Session session;
11.
12.
@Override
13. public Session getSession() {
14.
return session;
15. }
16.
17. @Override
18.
public void setSession(Session session) {
19. this.session = session;
20.
}
21.
22.
@Override
23. public void saveObject(Object obj) throws HibernateException {
24.
session.save(obj);
25. }
26.
27. }
表user的POJO类User.java的内容，因为跟UserForm.java内容差不多，所以不再列出。这个比UserForm.java多一个userId属性，因为在表user里面有userId的column。在POJO类里需要跟这个column有映射。
POJO类User.java的Hibernate映射文件User.hbm.xml的内容。代码<generator class="native"></generator>说明将根据本地数据库的设置来创建userId，如MySQL中将表user的userId设置为自动增长，则在保存记录是，userId将自动增长。对于需要在程序中指定主键的值，则将generator的class属性设置为assigned。
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1. <?xml version="1.0" encoding='UTF-8'?>
2.
<!DOCTYPE hibernate-mapping PUBLIC
3. "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
4.
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd" >
5.
6.
<hibernate-mapping package="com.ynwi.ssh.beans">
7. <class name="User" table="user">
8.
<id name="userId" column="userId">
9. <generator class="native"></generator>
10.
</id>
11. <property name="username" column="userName" type="java.lang.String"
12.
not-null="true" length="16"></property>
13. <property name="password" column="password" type="java.lang.String"
14.
not-null="true" length="16" />
15. <property name="gender" column="gender" type="java.lang.Integer" length="1" />
16.
</class>
17. </hibernate-mapping>
Hibernate配置文件Hibernate.cfg.xml的内容。
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1. <?xml version='1.0' encoding='utf-8'?>
2.
<!DOCTYPE hibernate-configuration PUBLIC
3. "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
4.
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
5.
6.
<hibernate-configuration>
7. <session-factory>
8.
<!-- Database connection settings -->
9. <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
10.
<property name="connection.url">jdbc:mysql://localhost:3306/project</property>
11. <property name="connection.username">root</property>
12.
<property name="connection.password">root</property>
13.
14.
<!-- JDBC connection pool (use the built-in) -->
15. <!-- <property name="connection.pool_size">1</property> -->
16.
17. <!-- SQL dialect -->
18.
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
19.
20.
<!-- Enable Hibernate's automatic session context management -->
21. <!-- <property name="current_session_context_class">thread</property> -->
22.
23. <!-- Disable the second-level cache -->
24.
<!-- <property name="cache.provider_class">org.hibernate.cache.internal.NoCacheProvider</property> -->
25.
26.
<!-- Echo all executed SQL to stdout -->
27. <property name="show_sql">true</property>
28.
29. <!-- Drop and re-create the database schema on startup -->
30.
<!-- <property name="hbm2ddl.auto">update</property> -->
31. <mapping resource="com/ynwi/ssh/beans/User.hbm.xml"/>
32.
</session-factory>
33. </hibernate-configuration>
工厂类SessionFactory的内容。（这是使用Hibernate4时候的SessionFactory，Hibernate3时候sessionFactory的创建估计会不一样，请自行查阅。）
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1. package com.ynwi.ssh.daoImpl;
2.
3. import org.hibernate.HibernateException;
4.
import org.hibernate.Session;
5. import org.hibernate.SessionFactory;
6.
import org.hibernate.cfg.Configuration;
7. import org.hibernate.service.ServiceRegistry;
8.
import org.hibernate.service.ServiceRegistryBuilder;
9.
10.
public class HibernateSessionFactory {
11.
12.
private static final String CFG_FILE_LOCATION = "/Hibernate.cfg.xml";
13.
14.
private static final ThreadLocal<Session> threadLocal = new ThreadLocal<Session>();
15.
16.
private static final Configuration cfg = new Configuration()
17. .configure(CFG_FILE_LOCATION);
18.
19. private static ServiceRegistryBuilder builder = new ServiceRegistryBuilder()
20.
.applySettings(cfg.getProperties());
21.
22.
private static ServiceRegistry registry;
23.
24.
private static SessionFactory sessionFactory;
25.
26.
public static Session currentSession() throws HibernateException {
27. Session session = threadLocal.get();
28.
29. if (session == null || session.isOpen() == false) {
30.
31. if (sessionFactory == null) {
32.
try {
33. registry = builder.buildServiceRegistry();
34.
sessionFactory = cfg.buildSessionFactory(registry);
35. } catch (Exception e) {
36.
e.printStackTrace();
37. }
38.
}
39.
40.
session = sessionFactory.openSession();
41. threadLocal.set(session);
42.
43. }
44.
45. return session;
46.
}
47.
48.
public static void closeSession() throws HibernateException {
49. Session session = threadLocal.get();
50.
threadLocal.set(null);
51. if (session != null) {
52.
session.close();
53. }
54.
}
55.
56.
}
修改后的业务逻辑实现类的内容。
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1. package com.ynwi.ssh.serviceImpl;
2.
3. import org.hibernate.HibernateException;
4.
import org.hibernate.Session;
5. import org.hibernate.Transaction;
6.
7. import com.ynwi.ssh.beans.User;
8.
import com.ynwi.ssh.dao.BaseDao;
9. import com.ynwi.ssh.daoImpl.HibernateSessionFactory;
10.
import com.ynwi.ssh.daoImpl.UserDao;
11. import com.ynwi.ssh.forms.UserForm;
12.
import com.ynwi.ssh.service.UserManager;
13.
14.
public class UserManagerImpl implements UserManager {
15.
16.
private BaseDao dao;
17.
18.
private Session session;
19.
20.
public UserManagerImpl() {
21. dao = new UserDao();
22.
}
23.
24.
@Override
25. public void regUser(UserForm userForm) throws HibernateException {
26.
session = HibernateSessionFactory.currentSession();
27. dao.setSession(session);
28.
// 获取事务
29. Transaction ts = session.beginTransaction();
30.
// 构造User对象
31. User user = new User();
32.
user.setUsername(userForm.getUsername());
33. user.setPassword(userForm.getPassword());
34.
user.setGender(userForm.getGender());
35. // 保存User对象
36.
dao.saveObject(user);
37. // 提交事务
38.
ts.commit();
39. // 关闭Session
40.
HibernateSessionFactory.closeSession();
41. }
42.
43. }
运行效果
输入访问Register.jsp的地址http://localhost:9090/SSHProject/Register.jsp后。
点击注册前后数据库里面的数据。
在Struts + Hibernate项目中整合Spring
整合Spring
将Spring内libs目录下包含所有的jar包（不需要复制结尾为sources和javadoc的jar包）到SSHProject项目的lib目录下。
编写Spring的配置文件applicationContext.xml。路径：src目录下，需要在web.xml配置context-param指定路径，或者把该文件放在WEB-INF下，跟web.xml同目录。这里由于Spring配置数据源的需要，需要把Hibernate内lib/optional/c3p0下的c3p0-0.9.1.jar复制到lib不目下。
修改BaseDao和UserDao。在引入Spring后，需要用Spring进行统一的事务管理，数据源和sessionFactory都交给Spring去生成，因此接口类和实现类BaseDao和UserDao都需要做相应的修改。Spring提供了HibernateDaoSupport类来完成对数据的操作，因此UserDao在实现BaseDao的同时还需要继承HibernateDaoSupport类。并将先前session的操作修改成HibernateTemplate（可通过getHibernateTemplate（）方法来获得）的操作。
修改业务逻辑实现类。在没有加入Spring之前，业务逻辑实现类的Session的获得，dao的实例化，以及事务的管理都是该类执行管理的。加入Spring后，这些都交给Spring去管理。该类的dao的实例化由Spring注入。
修改用户注册的RegisterAction类。同样，RegisterAction类中的userManager的实例化也由Spring注入。
删除Hibernate的配置文件Hibernate.cfg.xml和工厂类HibernateSesseionFactory类。他们的工作已经交给Spring去做，已经不再有用。
修改web.xml，加载Spring。要想启动时加载Spring的配置文件，需要在web.xml中配置对应的监听器（listenser），并制定Spring的配置文件。
修改Struts的配置文件struts.xml。把原来指定的名为register的action的class由原来的路径变为applicationContext.xml文件中该Action的id。
操作完成后的结构如图所示：
编写代码
Spring的配置文件applicationContext.xml的内容。
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1. <?xml version="1.0" encoding="UTF-8"?>
2.
<beans xmlns="http://www.springframework.org/schema/beans"
3. xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4.
xsi:schemaLocation="http://www.springframework.org/schema/beans
5. http://www.springframework.org/schema/beans/spring-beans-3.0.xsd"> 6.
7. <!-- 定义数据源的信息 -->
8.
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
9. destroy-method="close">
10.
<property name="driverClass">
11. <value>com.mysql.jdbc.Driver</value>
12.
</property>
13. <property name="jdbcUrl">
14.
<value>jdbc:mysql://localhost/project</value>
15. </property>
16.
<property name="user">
17. <value>root</value>
18.
</property>
19. <property name="password">
20.
<value>root</value>
21. </property>
22.
<property name="maxPoolSize">
23. <value>80</value>
24.
</property>
25. <property name="minPoolSize">
26.
<value>1</value>
27. </property>
28.
<property name="initialPoolSize">
29. <value>1</value>
30.
</property>
31. <property name="maxIdleTime">
32.
<value>20</value>
33. </property>
34.
</bean>
35.
36.
<!--定义Hibernate的SessionFactory -->
37. <!-- SessionFactory使用的数据源为上面的数据源 -->
38.
<!-- 指定了Hibernate的映射文件和配置信息 -->
39. &nbs
13f37
p; <bean id="sessionFactory"
40.
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
41. <property name="dataSource">
42.
<ref local="dataSource" />
43. </property>
44.
<property name="mappingResources">
45. <list>
46.
<value>com/ynwi/ssh/beans/User.hbm.xml</value>
47. </list>
48.
</property>
49. <property name="hibernateProperties">
50.
<props>
51. <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
52.
<prop key="show_sql">true</prop>
53. <prop key="hibernate.jdbc.batch_size">20</prop>
54.
</props>
55. </property>
56.
</bean>
57.
58.
<bean id="transactionManager"
59. class="org.springframework.orm.hibernate3.HibernateTransactionManager">
60.
<property name="sessionFactory" ref="sessionFactory" />
61. </bean>
62.
63. <bean id="baseDao" class="com.ynwi.ssh.daoImpl.UserDao">
64.
<property name="sessionFactory">
65. <ref bean="sessionFactory" />
66.
</property>
67. </bean>
68.
69. <!--用户注册业务逻辑类 -->
70.
<bean id="userManager" class="com.ynwi.ssh.serviceImpl.UserManagerImpl">
71. <property name="dao">
72.
<ref bean="baseDao" />
73. </property>
74.
</bean>
75.
76.
<!-- 用户注册的Action -->
77. <bean id="regAction" class="com.ynwi.ssh.action.RegisterAction">
78.
<property name="userManager">
79. <ref bean="userManager" />
80.
</property>
81. </bean>
82.
83. <!-- more bean definitions go here -->
84.
85. </beans>
修改后的接口类Dao和实现类UserDao的内容。
BaseDao.java
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1. package com.ynwi.ssh.dao;
2.
3. import org.hibernate.HibernateException;
4.
5. public interface BaseDao {
6.
7. public void saveObject(Object obj) throws HibernateException;
8.
9. }
UserDao.java
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1. package com.ynwi.ssh.daoImpl;
2.
3. import org.hibernate.HibernateException;
4.
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
5.
6.
import com.ynwi.ssh.dao.BaseDao;
7.
8.
public class UserDao extends HibernateDaoSupport implements BaseDao {
9.
10.
@Override
11. public void saveObject(Object obj) throws HibernateException {
12.
getHibernateTemplate().save(obj);
13. }
14.
15. }
修改后的业务逻辑实现类UserManagerImpl的内容。
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1. package com.ynwi.ssh.serviceImpl;
2.
3. import org.hibernate.HibernateException;
4.
import org.springframework.beans.BeanUtils;
5.
6.
import com.ynwi.ssh.beans.User;
7. import com.ynwi.ssh.dao.BaseDao;
8.
import com.ynwi.ssh.forms.UserForm;
9. import com.ynwi.ssh.service.UserManager;
10.
11. public class UserManagerImpl implements UserManager {
12.
13. private BaseDao dao;
14.
15. public void setDao(BaseDao dao) {
16.
this.dao = dao;
17. }
18.
19. @Override
20.
public void regUser(UserForm userForm) throws HibernateException {
21. User user = new User();
22.
BeanUtils.copyProperties(userForm, user);
23. dao.saveObject(user);
24.
}
25.
26.
}
修改后的用户注册Action类RegisterAction的内容。
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1. package com.ynwi.ssh.action;
2.
3. import com.opensymphony.xwork2.ActionSupport;
4.
import com.ynwi.ssh.forms.UserForm;
5. import com.ynwi.ssh.service.UserManager;
6.
7. public class RegisterAction extends ActionSupport {
8.
9. private static final long serialVersionUID = 1L;
10.
11. private UserForm user;
12.
13. private UserManager userManager;
14.
15. public UserForm getUser() {
16.
return user;
17. }
18.
19. public void setUser(UserForm user) {
20.
this.user = user;
21. }
22.
23. public void setUserManager(UserManager userManager) {
24.
this.userManager = userManager;
25. }
26.
27. public String execute() {
28.
try {
29. userManager.regUser(user);
30.
return SUCCESS;
31.
32.
} catch (Exception e) {
33. e.printStackTrace();
34.
return ERROR;
35. }
36.
}
37.
38.
}
修改后的web.xml的内容。
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1. <?xml version="1.0" encoding="UTF-8"?>
2.
<web-app id="WebApp_9" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
3. xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4.
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> 5.
6.
<display-name>SSH Project</display-name>
7.
8.
<filter>
9. <filter-name>SSH</filter-name>
10.
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
11. </filter>
12.
13. <filter-mapping>
14.
<filter-name>SSH</filter-name>
15. <url-pattern>/*</url-pattern>
16.
</filter-mapping>
17.
18.
<listener>
19. <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
20.
</listener>
21.
22.
<welcome-file-list>
23. <welcome-file>index.html</welcome-file>
24.
</welcome-file-list>
25.
26.
</web-app>
修改后的Struts配置文件struts.xml的内容。
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1. <?xml version="1.0" encoding="UTF-8" ?>
2.
<!DOCTYPE struts PUBLIC
3. "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
4.
"http://struts.apache.org/dtds/struts-2.0.dtd">
5.
6.
<struts>
7.
8.
<include file="struts-default.xml" />
9. <package name="ynwi" extends="struts-default">
10.
<action name="register" class="regAction">
11. <result name="input">/Register.jsp</result>
12.
<result name="success">/Success.jsp</result>
13. <result name="error">/Fail.jsp</result>
14.
</action>
15. </package>
16.
17. </struts>
运行结果
输入访问Register.jsp的地址http://localhost:9090/SSHProject/Register.jsp后。
点击注册前后数据库里面的数据。
总结
唠叨
本来想创建Struts2 + Spring3+ Hibernate4的项目，结果行动之后才发现版本之间不兼容的现象挺严重（我自己是这么认为的，如果有大神看出来是我开发中出的问题导致麻烦告知下），不得不把Hibernate4换成Hibernate3。因为中间换框架，所以导致此博文中整合hibernate部分是否会报错，不过最终的项目是可以执行的。我会把项目打包上传到csdn资源上。可以点击这里下载。
如何快速开发SSH框架项目
创建Dynamic Web Project并且导入jar包。
我习惯上把classes文件夹由build文件夹内转移到WEB-INF下。在项目上右键Build Path——〉Configure Build Path。设置Default output folder。
在WEB_INF下面创建web.xml并配置Struts的Filter和Spring的Listener。
在WEB-INF下面创建applicationContext.xml并配置数据源，sessionFactory，Transaction以及各Beans信息。
在src目录下创建struts.xml用来配置action信息，模板可以从Struts空项目里面拿。这里的action对应的class应该为applicationContext.xml内对应的class的bean的id。
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