Struts + Spring + Hibernate基础框架搭建2
2015-06-24 23:53
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上一篇已经搭建了一个最基本的ssh开发环境。也能基本运行了，但是没有写实际的代码，只是把环境给配置好了。这次我们来写一个简单的例子，这个例子是参考网上的一个工程，本人也是菜鸟，哈哈
完整的工程目录如下：
首先我们创建好Userinfo.java ， BaseDao.java ， UserManagerService.java还有UserManagerAct.java这三个文件。并放到相应的包里面去分别是org.ssh.pojo，org.ssh.dao，org.ssh.service，org.ssh.action。如上图所示；下面逐一分析这个几个类
1.Userinfo.java 这是一个pojo类，也就是实体类。先看看代码先
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package org.ssh.pojo;
/**
* 用户信息
*/
public class Userinfo implements java.io.Serializable {
private static final long serialVersionUID = 5866268712137826050L;
/**用户id*/
private Integer id;
/**用户名*/
private String uname;
/**性别*/
private String sex;
/**密码*/
private String password;
/**电话号码*/
private String telphone;
/**住址*/
private String address;
public Userinfo() {
}
public Integer getId() {
return this.id;
}
public void setId(Integer id) {
this.id = id;
}
public String getUname() {
return this.uname;
}
public void setUname(String uname) {
this.uname = uname;
}
public String getSex() {
return this.sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public String getPassword() {
return this.password;
}
public void setPassword(String password) {
this.password = password;
}
public String getTelphone() {
return this.telphone;
}
public void setTelphone(String telphone) {
this.telphone = telphone;
}
public String getAddress() {
return this.address;
}
public void setAddress(String address) {
this.address = address;
}
}
这个类主要是用来描述一个实体对象，跟数据库的用户表产生映射关系，所以我们还要在UserInfo.java的同级目录下创建一个hibernate的描述文件Userinfo.hbm.xml，内容如下：
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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!--
Mapping file autogenerated by MyEclipse Persistence Tools
-->
<hibernate-mapping>
<class name="org.ssh.pojo.Userinfo" table="userinfo" catalog="myssh">
<id name="id" type="java.lang.Integer">
<column name="id" />
<generator class="assigned"></generator>
</id>
<property name="uname" type="java.lang.String">
<column name="uname" length="30" not-null="true" unique="true"/>
</property>
<property name="sex" type="java.lang.String">
<column name="sex" length="10" not-null="true" />
</property>
<property name="password" type="java.lang.String">
<column name="password" length="20" not-null="true" />
</property>
<property name="telphone" type="java.lang.String">
<column name="telphone" length="15" />
</property>
<property name="address" type="java.lang.String">
<column name="address" length="50" />
</property>
</class>
</hibernate-mapping>
这个内容应该不难理解，其实就是描述一下这个类关联数据库的那个表，那个属性关联哪一列，数据类型是什么...，这里不详细研究了，下次用注解就不用这个文件了。
2.BaseDao.java 这个类主要实现数据库的操作，这里只是一些简单的实现。上代码
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package org.ssh.dao;
import java.io.Serializable;
import java.util.List;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
/**
* 数据库io操作
*/
public class BaseDao extends HibernateDaoSupport {
/**查询*/
public <T> List<T> getObjects(String queryString){
return (List<T>)this.getHibernateTemplate().find(queryString);
}
/**查询所有*/
public <T> List<T> getAllObjects(Class<T> clazz){
return this.getHibernateTemplate().loadAll(clazz);
}
/**添加一个*/
public <T> void addObject(T clazz){
this.getHibernateTemplate().save(clazz);
}
/**更新指定的*/
public <T> void updateObject(T clazz){
this.getHibernateTemplate().update(clazz);
}
/**删除指定的*/
public <T> void deleteObject(T clazz){
this.getHibernateTemplate().delete(clazz);
}
/**通过id获取*/
public <T> T getObject(Class<T> clazz,Serializable id){
return this.getHibernateTemplate().get(clazz, id);
}
}
3.UserManagerService.java 用户管理业务逻辑的实现，这个是业务逻辑层，业务逻辑在这里实现，这里操作数据库是调用上一层dao层代码。上代码
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package org.ssh.service;
import java.util.List;
import org.ssh.dao.BaseDao;
/**
* 用户管理业务逻辑的实现
* */
public class UserManagerService<T> {
private BaseDao dao;
public T doLogin(String userName,String password) throws Exception{
if(userName == null || password == null) return null;
String queryString = "SELECT u FROM Userinfo u WHERE u.uname = '"+userName +"' AND u.password = "+password;
List<T> users = dao.getObjects(queryString);
return users.get(0);
}
public List<T> queryUsers(String uname,Class<T> clazz){
if(uname == null || "".equals(uname))
return dao.getAllObjects(clazz);
String queryString = "SELECT u FROM Userinfo u WHERE u.uname like '"+uname+"%'";
return dao.getObjects(queryString);
}
public void addUser(T user) throws Exception{
dao.addObject(user);
}
public void modifyUser(T user) throws Exception{
dao.updateObject(user);
}
public void deleteUser(int id,Class<T> clazz) throws Exception{
T u = dao.getObject(clazz, id);
dao.deleteObject(u);
}
public T getUser(Class<T> clazz, int id){
return dao.getObject(clazz, id);
}
public BaseDao getDao() {
return dao;
}
public void setDao(BaseDao dao) {
this.dao = dao;
}
}
4.UserManagerAct.java 这是一个action，充当视图控制器的角色，也就是mvc中的c。直接与外部打交道，可以供客户端调用，也可以和jsp等调用，这一层通过调用业务逻辑层来完成功能。不直接操作数据库，业务逻辑也不在这里实现。一些界面控制可以在这里实现，上代码
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package org.ssh.action;
import java.util.List;
import org.apache.struts2.ServletActionContext;
import org.ssh.pojo.Userinfo;
import org.ssh.service.UserManagerService;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
/**
* 用户管理控制器
* */
public class UserManagerAct extends ActionSupport {
private static final long serialVersionUID = -281275682819237996L;
private Userinfo user = new Userinfo();
private UserManagerService<Userinfo> userService;
private List<Userinfo> users;
private String searchText;
public String doLogin(){
if(this.user.getUname() == null || this.user.getPassword() == null) return INPUT;
try {
Userinfo user = userService.doLogin(this.user.getUname(), this.user.getPassword());
if(user != null){
ActionContext.getContext().getSession().put("userinfo", user);
return doQuery();
}else
return INPUT;
} catch (Exception e) {
return ERROR;
}
}
public String doQuery(){
searchText = getParam("queryText");
users = userService.queryUsers(searchText,Userinfo.class);
return SUCCESS;
}
public String doAdd(){
String result = "";
try {
String param = getParam("param");
if(Integer.parseInt(param) > 0){
user.setId(0);
userService.addUser(user);
result = doQuery();
}else
result = "addUser";
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
public String doEdit(){
try {
Integer param = Integer.parseInt(getParam("param"));
if(param == 0){
Integer id = Integer.parseInt(getParam("id"));
user = userService.getUser(Userinfo.class, id);
return "editUser";
}else if(param == 1){
userService.modifyUser(user);
}
} catch (Exception e) {
e.printStackTrace();
}
return doQuery();
}
public String doDelete(){
try {
Integer param = Integer.parseInt(getParam("id"));
userService.deleteUser(param,Userinfo.class);
} catch (Exception e) {
e.printStackTrace();
}
return doQuery();
}
protected String getParam(String key){
return ServletActionContext.getRequest().getParameter(key);
}
public UserManagerService<Userinfo> getUserService() {
return userService;
}
public void setUserService(UserManagerService<Userinfo> userService) {
this.userService = userService;
}
public List<Userinfo> getUsers() {
return users;
}
public Userinfo getUser() {
return user;
}
public void setUser(Userinfo user) {
this.user = user;
}
public String getSearchText() {
return searchText;
}
public void setSearchText(String searchText) {
this.searchText = searchText;
}
}
至此所有的java代码已经完成接下来我们还要配置一些内容，目的是让ssh使用上面的代码。
1.配置applicationContext.xml文件
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<?xml version="1.0" encoding="UTF-8"?>
<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
<!-- 数据库配置 -->
<bean id="dataSource"
class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName"
value="com.mysql.jdbc.Driver">
</property>
<property name="url"
value="jdbc:mysql://localhost:3306/myssh">
</property>
<property name="username" value="anan"></property>
<property name="password" value="xxxxxx"></property>
</bean>
<!-- -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop>
</props>
</property>
<!-- 配置实体描述文件 -->
<property name="mappingResources">
<list>
<value>org/ssh/pojo/Userinfo.hbm.xml</value>
</list>
</property>
</bean>
<bean id="userAct" class="org.ssh.action.UserManagerAct" scope="prototype">
<property name="userService" ref="userService"></property>
</bean>
<bean id="userService" class="org.ssh.service.UserManagerService">
<property name="dao" ref="dao"></property>
</bean>
<bean id="dao" class="org.ssh.dao.BaseDao">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
</beans>
这里主要是配置了hibernate加载我们的实体类Userinfo
同时配置了spring加载我们的dao,service和action...
2.struts.xml 配置action
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<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<constant name="struts.objectFactory" value="spring" />
<package name="MySSH" extends="struts-default">
<global-results>
<result name="error">/jsp/error.jsp</result>
<result name="success">/jsp/success.jsp</result>
</global-results>
<action name="userManagerAct" class="userAct" method="doLogin">
<result name="login">/index.jsp</result>
</action>
<action name="query" class="userAct" method="doQuery" />
<action name="delete" class="userAct" method="doDelete" />
<action name="edit" class="userAct" method="doEdit">
<result name="editUser">/jsp/editUser.jsp</result>
</action>
<action name="add" class="userAct" method="doAdd">
<result name="addUser">/jsp/addUser.jsp</result>
</action>
</package>
</struts>
3.最后配置web.xml
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<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
<display-name></display-name>
<!-- Spring配置和监听start -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/classes/application*.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--end-->
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<filter>
<filter-name>struts2</filter-name>
<filter-class>
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>*.action</url-pattern>
</filter-mapping></web-app>
好了，配置完成了。接下来还要写一些jsp文件让这个蛋疼的东西飞起来
1.index.jsp
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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>用户登录</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
</head>
<body>
<font size="4">这个一个 struts2,spring 和 hibernate 使用的例子。请用以下账号密码登录<br>
默认账号/密码: <font color="red">anan/123</font><br>
<br>请事先在数据库插入用户信息
</font>
<br>
<br>
<form action="userManagerAct.action" method="post">
<table>
<tr>
<td>username</td><td><input type="text" name="user.uname"/></td>
<td>password</td><td><input type="password" name="user.password"/></td><td>密 码</td><td></td>
</tr>
<tr>
<td colspan="2">
<input type="submit" value="submit">
<input type="reset" value="reset">
</td>
</tr>
</table>
</form>
</body>
</html>
2.addUser.jsp
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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>user list page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
</head>
<body>
<form action="add.action" method="post">
<table width="500" align="center">
<caption>ADD USER INFORMATION</caption>
<tr height="26px">
<td width="150px" align="right">UNAME</td>
<td width="350px">
<input type="hidden" name="param" value="1"/>
<input type="text" name="user.uname" value="${user.uname }"/>
</td>
</tr>
<tr height="26px">
<td align="right">PASSWORD</td>
<td><input type="password" name="user.password" value="${user.password }"/></td>
</tr>
<tr height="26px">
<td align="right">SEX</td>
<td>
<select name="user.sex">
<option value="male">male</option>
<option value="female">female</option>
</select>
</td>
</tr>
<tr height="26px">
<td align="right">TELPHONE</td>
<td><input type="text" name="user.telphone" value="${user.telphone }"/></td>
</tr>
<tr height="26px">
<td align="right">ADDRESS</td>
<td><input type="text" name="user.address" value="${user.address }"/></td>
</tr>
<tr height="26px">
<td colspan="2" align="center" width="500">
<input type="submit" value="Save"/>
<input type="button" value="Back" onclick="window.history.back(-1)"/>
</td>
</tr>
</table>
</form>
</body>
</html>
3.editUser.jsp
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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>user list page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
</head>
<body>
<form action="edit.action" method="post">
<table width="500" align="center">
<caption>User Information Edit</caption>
<tr height="26px">
<td width="150px" align="right">NO.</td>
<td width="350px">
<input type="text" name="user.id" value="${user.id }" readonly="readonly"/>
<input type="hidden" name="user.password" value="${user.password }"/>
<input type="hidden" name="param" value="1"/>
</td>
</tr>
<tr height="26px">
<td width="160" align="right">UNAME</td>
<td><input type="text" name="user.uname" value="${user.uname }"/></td>
</tr>
<tr height="26px">
<td width="70" align="right">SEX</td>
<td>
<select name="user.sex">
<option value="male">male</option>
<option value="female">female</option>
</select>
</td>
</tr>
<tr height="26px">
<td width="150" align="right">TELPHONE</td>
<td><input type="text" name="user.telphone" value="${user.telphone }"/></td>
</tr>
<tr height="26px">
<td width="300" align="right">ADDRESS</td>
<td><input type="text" name="user.address" value="${user.address }"/></td>
</tr>
<tr height="26px">
<td colspan="2" align="center">
<input type="submit" value="Save"/>
<input type="button" value="Back" onclick="window.history.back(-1)"/>
</td>
</tr>
</table>
</form>
</body>
</html>
4.error.jsp
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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'error.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
登录失败，2秒后自动转到登录页面....
<script type="text/javascript">
setTimeout(reDo, 2000);
function reDo(){
window.location.href = "/struts2_spring_hibernate1.0/index.jsp";
}
</script>
</body>
</html>
5.sucess.jsp
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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>user list page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
</head>
<body>
<form action="query.action" method="post">
<table align="center">
<tr>
<td style="vertical-align: middle;">USERNAME
<input type="text" style="width: 300px;height: 30px;font-size: 16px" name="queryText" value="${searchText }"/>
<input type="submit" value="Query" style="width: 100px;height: 30px;font-size: 16px"/>
<input type="button" value="Add" style="width: 100px;height: 30px;font-size: 16px"
onclick="window.location.href='add.action?param=0'"/>
</td>
</tr>
</table>
</form>
<table align="center" border="1" cellpadding="0" cellspacing="0" bordercolor="#3366cc">
<tr align="center" bgcolor="#3399cc" height="26px">
<td width="100">NO.</td>
<td width="160">UNAME</td>
<td width="70">SEX</td>
<td width="150">TELPHONE</td>
<td width="300">ADDRESS</td>
<td width="120">EDIT/DELETE</td>
</tr>
<c:forEach var="user" items="${users }">
<tr align="center" height="24px">
<td width="100">${user.id}</td>
<td width="160">${user.uname}</td>
<td width="70">${user.sex }</td>
<td width="150">${user.telphone }</td>
<td width="300">${user.address}</td>
<td width="120">
<a href="edit.action?param=0&id=${user.id}">编辑</a>
<a href="delete.action?id=${user.id}">删除</a>
</td>
</tr>
</c:forEach>
</table>
</body>
</html>
全部文件应该都搞定了，相比上一次的工程需要添加一些jar包，稍后我把整个工程代码上传。或者大家自己去找缺少的jar包
运行一下：
程序运行成功，有点成就感...
总结一下：
基于ssh开发环境搭建相比起来确实麻烦不少，特别是jar的依赖，而且要整套搞起来东西还是挺多的。但是搞鼓完了之后收获还是蛮大的，之前学习的很多概念性的东西都不理解，搞完这个之后貌似都有点感觉了。ssh真不愧是经典的框架之一，下次我将用注解来实现
工程下载地址：
http://download.csdn.net/detail/yunji3344/4890206
完整的工程目录如下：
首先我们创建好Userinfo.java ， BaseDao.java ， UserManagerService.java还有UserManagerAct.java这三个文件。并放到相应的包里面去分别是org.ssh.pojo，org.ssh.dao，org.ssh.service，org.ssh.action。如上图所示；下面逐一分析这个几个类
1.Userinfo.java 这是一个pojo类，也就是实体类。先看看代码先
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package org.ssh.pojo;
/**
* 用户信息
*/
public class Userinfo implements java.io.Serializable {
private static final long serialVersionUID = 5866268712137826050L;
/**用户id*/
private Integer id;
/**用户名*/
private String uname;
/**性别*/
private String sex;
/**密码*/
private String password;
/**电话号码*/
private String telphone;
/**住址*/
private String address;
public Userinfo() {
}
public Integer getId() {
return this.id;
}
public void setId(Integer id) {
this.id = id;
}
public String getUname() {
return this.uname;
}
public void setUname(String uname) {
this.uname = uname;
}
public String getSex() {
return this.sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public String getPassword() {
return this.password;
}
public void setPassword(String password) {
this.password = password;
}
public String getTelphone() {
return this.telphone;
}
public void setTelphone(String telphone) {
this.telphone = telphone;
}
public String getAddress() {
return this.address;
}
public void setAddress(String address) {
this.address = address;
}
}
这个类主要是用来描述一个实体对象，跟数据库的用户表产生映射关系，所以我们还要在UserInfo.java的同级目录下创建一个hibernate的描述文件Userinfo.hbm.xml，内容如下：
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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!--
Mapping file autogenerated by MyEclipse Persistence Tools
-->
<hibernate-mapping>
<class name="org.ssh.pojo.Userinfo" table="userinfo" catalog="myssh">
<id name="id" type="java.lang.Integer">
<column name="id" />
<generator class="assigned"></generator>
</id>
<property name="uname" type="java.lang.String">
<column name="uname" length="30" not-null="true" unique="true"/>
</property>
<property name="sex" type="java.lang.String">
<column name="sex" length="10" not-null="true" />
</property>
<property name="password" type="java.lang.String">
<column name="password" length="20" not-null="true" />
</property>
<property name="telphone" type="java.lang.String">
<column name="telphone" length="15" />
</property>
<property name="address" type="java.lang.String">
<column name="address" length="50" />
</property>
</class>
</hibernate-mapping>
这个内容应该不难理解，其实就是描述一下这个类关联数据库的那个表，那个属性关联哪一列，数据类型是什么...，这里不详细研究了，下次用注解就不用这个文件了。
2.BaseDao.java 这个类主要实现数据库的操作，这里只是一些简单的实现。上代码
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package org.ssh.dao;
import java.io.Serializable;
import java.util.List;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
/**
* 数据库io操作
*/
public class BaseDao extends HibernateDaoSupport {
/**查询*/
public <T> List<T> getObjects(String queryString){
return (List<T>)this.getHibernateTemplate().find(queryString);
}
/**查询所有*/
public <T> List<T> getAllObjects(Class<T> clazz){
return this.getHibernateTemplate().loadAll(clazz);
}
/**添加一个*/
public <T> void addObject(T clazz){
this.getHibernateTemplate().save(clazz);
}
/**更新指定的*/
public <T> void updateObject(T clazz){
this.getHibernateTemplate().update(clazz);
}
/**删除指定的*/
public <T> void deleteObject(T clazz){
this.getHibernateTemplate().delete(clazz);
}
/**通过id获取*/
public <T> T getObject(Class<T> clazz,Serializable id){
return this.getHibernateTemplate().get(clazz, id);
}
}
3.UserManagerService.java 用户管理业务逻辑的实现，这个是业务逻辑层，业务逻辑在这里实现，这里操作数据库是调用上一层dao层代码。上代码
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package org.ssh.service;
import java.util.List;
import org.ssh.dao.BaseDao;
/**
* 用户管理业务逻辑的实现
* */
public class UserManagerService<T> {
private BaseDao dao;
public T doLogin(String userName,String password) throws Exception{
if(userName == null || password == null) return null;
String queryString = "SELECT u FROM Userinfo u WHERE u.uname = '"+userName +"' AND u.password = "+password;
List<T> users = dao.getObjects(queryString);
return users.get(0);
}
public List<T> queryUsers(String uname,Class<T> clazz){
if(uname == null || "".equals(uname))
return dao.getAllObjects(clazz);
String queryString = "SELECT u FROM Userinfo u WHERE u.uname like '"+uname+"%'";
return dao.getObjects(queryString);
}
public void addUser(T user) throws Exception{
dao.addObject(user);
}
public void modifyUser(T user) throws Exception{
dao.updateObject(user);
}
public void deleteUser(int id,Class<T> clazz) throws Exception{
T u = dao.getObject(clazz, id);
dao.deleteObject(u);
}
public T getUser(Class<T> clazz, int id){
return dao.getObject(clazz, id);
}
public BaseDao getDao() {
return dao;
}
public void setDao(BaseDao dao) {
this.dao = dao;
}
}
4.UserManagerAct.java 这是一个action，充当视图控制器的角色，也就是mvc中的c。直接与外部打交道，可以供客户端调用，也可以和jsp等调用，这一层通过调用业务逻辑层来完成功能。不直接操作数据库，业务逻辑也不在这里实现。一些界面控制可以在这里实现，上代码
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package org.ssh.action;
import java.util.List;
import org.apache.struts2.ServletActionContext;
import org.ssh.pojo.Userinfo;
import org.ssh.service.UserManagerService;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
/**
* 用户管理控制器
* */
public class UserManagerAct extends ActionSupport {
private static final long serialVersionUID = -281275682819237996L;
private Userinfo user = new Userinfo();
private UserManagerService<Userinfo> userService;
private List<Userinfo> users;
private String searchText;
public String doLogin(){
if(this.user.getUname() == null || this.user.getPassword() == null) return INPUT;
try {
Userinfo user = userService.doLogin(this.user.getUname(), this.user.getPassword());
if(user != null){
ActionContext.getContext().getSession().put("userinfo", user);
return doQuery();
}else
return INPUT;
} catch (Exception e) {
return ERROR;
}
}
public String doQuery(){
searchText = getParam("queryText");
users = userService.queryUsers(searchText,Userinfo.class);
return SUCCESS;
}
public String doAdd(){
String result = "";
try {
String param = getParam("param");
if(Integer.parseInt(param) > 0){
user.setId(0);
userService.addUser(user);
result = doQuery();
}else
result = "addUser";
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
public String doEdit(){
try {
Integer param = Integer.parseInt(getParam("param"));
if(param == 0){
Integer id = Integer.parseInt(getParam("id"));
user = userService.getUser(Userinfo.class, id);
return "editUser";
}else if(param == 1){
userService.modifyUser(user);
}
} catch (Exception e) {
e.printStackTrace();
}
return doQuery();
}
public String doDelete(){
try {
Integer param = Integer.parseInt(getParam("id"));
userService.deleteUser(param,Userinfo.class);
} catch (Exception e) {
e.printStackTrace();
}
return doQuery();
}
protected String getParam(String key){
return ServletActionContext.getRequest().getParameter(key);
}
public UserManagerService<Userinfo> getUserService() {
return userService;
}
public void setUserService(UserManagerService<Userinfo> userService) {
this.userService = userService;
}
public List<Userinfo> getUsers() {
return users;
}
public Userinfo getUser() {
return user;
}
public void setUser(Userinfo user) {
this.user = user;
}
public String getSearchText() {
return searchText;
}
public void setSearchText(String searchText) {
this.searchText = searchText;
}
}
至此所有的java代码已经完成接下来我们还要配置一些内容，目的是让ssh使用上面的代码。
1.配置applicationContext.xml文件
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<?xml version="1.0" encoding="UTF-8"?>
<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
<!-- 数据库配置 -->
<bean id="dataSource"
class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName"
value="com.mysql.jdbc.Driver">
</property>
<property name="url"
value="jdbc:mysql://localhost:3306/myssh">
</property>
<property name="username" value="anan"></property>
<property name="password" value="xxxxxx"></property>
</bean>
<!-- -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop>
</props>
</property>
<!-- 配置实体描述文件 -->
<property name="mappingResources">
<list>
<value>org/ssh/pojo/Userinfo.hbm.xml</value>
</list>
</property>
</bean>
<bean id="userAct" class="org.ssh.action.UserManagerAct" scope="prototype">
<property name="userService" ref="userService"></property>
</bean>
<bean id="userService" class="org.ssh.service.UserManagerService">
<property name="dao" ref="dao"></property>
</bean>
<bean id="dao" class="org.ssh.dao.BaseDao">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
</beans>
这里主要是配置了hibernate加载我们的实体类Userinfo
同时配置了spring加载我们的dao,service和action...
2.struts.xml 配置action
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<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<constant name="struts.objectFactory" value="spring" />
<package name="MySSH" extends="struts-default">
<global-results>
<result name="error">/jsp/error.jsp</result>
<result name="success">/jsp/success.jsp</result>
</global-results>
<action name="userManagerAct" class="userAct" method="doLogin">
<result name="login">/index.jsp</result>
</action>
<action name="query" class="userAct" method="doQuery" />
<action name="delete" class="userAct" method="doDelete" />
<action name="edit" class="userAct" method="doEdit">
<result name="editUser">/jsp/editUser.jsp</result>
</action>
<action name="add" class="userAct" method="doAdd">
<result name="addUser">/jsp/addUser.jsp</result>
</action>
</package>
</struts>
3.最后配置web.xml
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<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
<display-name></display-name>
<!-- Spring配置和监听start -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/classes/application*.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--end-->
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<filter>
<filter-name>struts2</filter-name>
<filter-class>
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>*.action</url-pattern>
</filter-mapping></web-app>
好了，配置完成了。接下来还要写一些jsp文件让这个蛋疼的东西飞起来
1.index.jsp
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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>用户登录</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
</head>
<body>
<font size="4">这个一个 struts2,spring 和 hibernate 使用的例子。请用以下账号密码登录<br>
默认账号/密码: <font color="red">anan/123</font><br>
<br>请事先在数据库插入用户信息
</font>
<br>
<br>
<form action="userManagerAct.action" method="post">
<table>
<tr>
<td>username</td><td><input type="text" name="user.uname"/></td>
<td>password</td><td><input type="password" name="user.password"/></td><td>密 码</td><td></td>
</tr>
<tr>
<td colspan="2">
<input type="submit" value="submit">
<input type="reset" value="reset">
</td>
</tr>
</table>
</form>
</body>
</html>
2.addUser.jsp
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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>user list page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
</head>
<body>
<form action="add.action" method="post">
<table width="500" align="center">
<caption>ADD USER INFORMATION</caption>
<tr height="26px">
<td width="150px" align="right">UNAME</td>
<td width="350px">
<input type="hidden" name="param" value="1"/>
<input type="text" name="user.uname" value="${user.uname }"/>
</td>
</tr>
<tr height="26px">
<td align="right">PASSWORD</td>
<td><input type="password" name="user.password" value="${user.password }"/></td>
</tr>
<tr height="26px">
<td align="right">SEX</td>
<td>
<select name="user.sex">
<option value="male">male</option>
<option value="female">female</option>
</select>
</td>
</tr>
<tr height="26px">
<td align="right">TELPHONE</td>
<td><input type="text" name="user.telphone" value="${user.telphone }"/></td>
</tr>
<tr height="26px">
<td align="right">ADDRESS</td>
<td><input type="text" name="user.address" value="${user.address }"/></td>
</tr>
<tr height="26px">
<td colspan="2" align="center" width="500">
<input type="submit" value="Save"/>
<input type="button" value="Back" onclick="window.history.back(-1)"/>
</td>
</tr>
</table>
</form>
</body>
</html>
3.editUser.jsp
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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>user list page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
</head>
<body>
<form action="edit.action" method="post">
<table width="500" align="center">
<caption>User Information Edit</caption>
<tr height="26px">
<td width="150px" align="right">NO.</td>
<td width="350px">
<input type="text" name="user.id" value="${user.id }" readonly="readonly"/>
<input type="hidden" name="user.password" value="${user.password }"/>
<input type="hidden" name="param" value="1"/>
</td>
</tr>
<tr height="26px">
<td width="160" align="right">UNAME</td>
<td><input type="text" name="user.uname" value="${user.uname }"/></td>
</tr>
<tr height="26px">
<td width="70" align="right">SEX</td>
<td>
<select name="user.sex">
<option value="male">male</option>
<option value="female">female</option>
</select>
</td>
</tr>
<tr height="26px">
<td width="150" align="right">TELPHONE</td>
<td><input type="text" name="user.telphone" value="${user.telphone }"/></td>
</tr>
<tr height="26px">
<td width="300" align="right">ADDRESS</td>
<td><input type="text" name="user.address" value="${user.address }"/></td>
</tr>
<tr height="26px">
<td colspan="2" align="center">
<input type="submit" value="Save"/>
<input type="button" value="Back" onclick="window.history.back(-1)"/>
</td>
</tr>
</table>
</form>
</body>
</html>
4.error.jsp
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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'error.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
登录失败，2秒后自动转到登录页面....
<script type="text/javascript">
setTimeout(reDo, 2000);
function reDo(){
window.location.href = "/struts2_spring_hibernate1.0/index.jsp";
}
</script>
</body>
</html>
5.sucess.jsp
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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>user list page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
</head>
<body>
<form action="query.action" method="post">
<table align="center">
<tr>
<td style="vertical-align: middle;">USERNAME
<input type="text" style="width: 300px;height: 30px;font-size: 16px" name="queryText" value="${searchText }"/>
<input type="submit" value="Query" style="width: 100px;height: 30px;font-size: 16px"/>
<input type="button" value="Add" style="width: 100px;height: 30px;font-size: 16px"
onclick="window.location.href='add.action?param=0'"/>
</td>
</tr>
</table>
</form>
<table align="center" border="1" cellpadding="0" cellspacing="0" bordercolor="#3366cc">
<tr align="center" bgcolor="#3399cc" height="26px">
<td width="100">NO.</td>
<td width="160">UNAME</td>
<td width="70">SEX</td>
<td width="150">TELPHONE</td>
<td width="300">ADDRESS</td>
<td width="120">EDIT/DELETE</td>
</tr>
<c:forEach var="user" items="${users }">
<tr align="center" height="24px">
<td width="100">${user.id}</td>
<td width="160">${user.uname}</td>
<td width="70">${user.sex }</td>
<td width="150">${user.telphone }</td>
<td width="300">${user.address}</td>
<td width="120">
<a href="edit.action?param=0&id=${user.id}">编辑</a>
<a href="delete.action?id=${user.id}">删除</a>
</td>
</tr>
</c:forEach>
</table>
</body>
</html>
全部文件应该都搞定了，相比上一次的工程需要添加一些jar包，稍后我把整个工程代码上传。或者大家自己去找缺少的jar包
运行一下：
程序运行成功，有点成就感...
总结一下：
基于ssh开发环境搭建相比起来确实麻烦不少，特别是jar的依赖，而且要整套搞起来东西还是挺多的。但是搞鼓完了之后收获还是蛮大的，之前学习的很多概念性的东西都不理解，搞完这个之后貌似都有点感觉了。ssh真不愧是经典的框架之一，下次我将用注解来实现
工程下载地址：
http://download.csdn.net/detail/yunji3344/4890206
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