web项目SSM框架搭建
2018-11-19 17:13
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SSM框架整合配置初始模板
使用idea工具，并使用了maven父工程模板（集中定义管理依赖版本）
打开父工程文件
新建module
开始整合配置
使用的依赖版本号
<!-- 集中定义依赖版本号 --> <properties> <junit.version>4.12</junit.version> <spring.version>5.0.7.RELEASE</spring.version> <mybatis.version>3.4.6</mybatis.version> <mybatis.spring.version>1.3.2</mybatis.spring.version> <mybatis.paginator.version>1.2.15</mybatis.paginator.version> <mysql.version>5.1.32</mysql.version> <slf4j.version>1.6.4</slf4j.version> <jackson.version>2.9.0</jackson.version> <fileupload.version>1.3.1</fileupload.version> <druid.version>1.0.9</druid.version> <httpclient.version>4.3.5</httpclient.version> <jstl.version>1.2</jstl.version> <servlet-api.version>2.5</servlet-api.version> <jsp-api.version>2.0</jsp-api.version> <joda-time.version>2.5</joda-time.version> <commons-lang3.version>3.3.2</commons-lang3.version> <commons-io.version>1.3.2</commons-io.version> </properties>
第一步、spring和springMVC整合
1.1、引入module所需依赖和插件
<dependencies> <!-- 单元测试 --> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aspects</artifactId> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> </dependency> <!-- spring整合mybatis --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> </dependency> <!-- 连接池 --> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> </dependency> <!-- Jackson Json处理工具包 --> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> </dependency> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>jsp-api</artifactId> </dependency> </dependencies> <build> <plugins> <!-- 配置Tomcat插件 --> <plugin> <groupId>org.apache.tomcat.maven</groupId> <artifactId>tomcat7-maven-plugin</artifactId> <configuration> <port>8080</port> <path>/</path> </configuration> </plugin> </plugins> </build>
注意：在子模块pom文件中添加打包方式，以及补全web项目目录结构。
1.2、配置spring
首先配置jdbc和log4j配置文件，放在resource里面，并新建一个专门存放 spring配置文件的文件夹，新建spring核心配置文件
1.2.1配置spring核心配置文件
<?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:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!-- 开启注解扫描,在这里只扫描service包，controller交给springMVC扫描，mapper包使用mybatis不用扫描注解 -->
<context:component-scan base-package="com.lee.service"/>
<!--引入jdbc配置文件-->
<context:property-placeholder location="classpath:jdbc.properties"/>
<!--jdbc参数-->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
<property name="driverClassName" value="${jdbc.driverClassName}"/>
<property name="url" value="${jdbc.url}"/>
<property name="username" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
</bean>
</beans>
1.2.2在web.xml文件中配置spring核心监听器
<?xml version="1.0" encoding="UTF-8"?> <web-app 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" version="3.0"> <!--配置spring核心监听器，在项目加载时就创建spring IOC容器--> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> </web-app>
1.2.3创建IOC容器需要spring配置文件，加载spring配置文件
<?xml version="1.0" encoding="UTF-8"?> <web-app 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" version="3.0"> <!--加载spring配置文件--> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:/spring/applicationContext*.xml</param-value> </context-param> <!--配置spring核心监听器，在项目加载时就创建spring IOC容器--> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> </web-app>
1.3、配置SpringMVC
1.3.1在web.xml文件中指定springMVC入口
<?xml version="1.0" encoding="UTF-8"?> <web-app 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" version="3.0"> <!--加载spring配置文件--> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:/spring/applicationContext*.xml</param-value> </context-param> <!--配置spring核心监听器，在项目加载时就创建spring IOC容器--> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!--配置springMVC入口--> <servlet> <servlet-name>springMVC</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!--配置springMVC文件路径--> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:/spring/springMVC-servlet.xml</param-value> </init-param> <!--配置实例化时机，默认第一次请求时实例化，设为0或正数则为项目时加载时并实例化--> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>springMVC</servlet-name> <!--匹配拦截所有请求，除了jsp--> <url-pattern>/</url-pattern> </servlet-mapping> </web-app>
1.3.2配置springMVC配置文件
<?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:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd"> <!--开启注解扫描--> <context:component-scan base-package="com.lee.controller"/> <!--注解驱动--> <mvc:annotation-driven/> <!--解决静态资源(html,js,css)被拦截--> <mvc:default-servlet-handler/> <!--配置视图解析器--> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/jsp/"/> <property name="suffix" value=".jsp"/> </bean> </beans>
1.4、测试spring和springMVC
1.4.1在WEB-INF/jsp文件下创建一个test.jsp文件
<%-- Created by IntelliJ IDEA. User: LxY Date: 2018/11/19 Time: 12:07 To change this template use File | Settings | File Templates. --%> <%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>Title</title> </head> <body> 测试spring和SpringMVC </body> </html>
1.4.2在controller包下创建TestController
package com.lee.controller;
@Controller
@RequestMapping("test")
public class TestController {
@RequestMapping("ss")
public String test(){
return "test";
}
}
运行结果：
1.5、配置mybatis
1.5.1spring-mybatis配置文件
在配置文件spring包中创建applicationContext-mybatis.xml配置文件，配置spring管理mybatis的配置
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"> <!--把SQLSession交给spring管理--> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <!--注入数据源--> <property name="dataSource" ref="dataSource"/> <!--注入mybatis配置文件--> <property name="configLocation" value="classpath:mybatis/mybatis-config.xml"/> <!--注入映射文件路径--> <property name="mapperLocations" value="classpath:mybatis/mapper/**/*.xml"/> <!--别名管理--> <property name="typeAliasesPackage" value="com.lee.domain"/></bean> <!--把mapper接口交给spring管理--> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.lee.mapper"/> </bean> </beans>
1.5.2mybatis.xml文件配置
只需要配置一个驼峰匹配即可
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd"> <configuration> <settings> <!--开启驼峰匹配--> <setting name="mapUnderscoreToCamelCase" value="true"/> </settings> </configuration>
1.6、测试mybatis配置
1.6.1数据库准备
准备一张简单用户表
1.6.2编写对应实体类
package com.lee.domain;
public class User implements Serializable{
private static final long serialVersionUID = 1L;
private Long id;
// 用户名
private String userName;
// 密码
private String password;
// 姓名
private String name;
// 年龄
private Integer age;
// 性别，1男性，2女性
private Integer sex;
// 出生日期
private Date birthday;
// 创建时间
private Date created;
// 更新时间
private Date updated;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
public Integer getSex() {
return sex;
}
public void setSex(Integer sex) {
this.sex = sex;
}
public Date getBirthday() {
return birthday;
}
public void setBirthday(Date birthday) {
this.birthday = birthday;
}
public Date getCreated() {
return created;
}
public void setCreated(Date created) {
this.created = created;
}
public Date getUpdated() {
return updated;
}
public void setUpdated(Date updated) {
this.updated = updated;
}
@Override
public String toString() {
return "User [id=" + id + ", userName=" + userName + ", password=" + password + ", name=" + name
+ ", age=" + age + ", sex=" + sex + ", birthday=" + birthday + ", created=" + created
+ ", updated=" + updated + "]";
}
}
1.6.3编写UserMapper接口
package com.lee.mapper;
public interface UserMapper {
/**
* 查找所有用户信息
* @return
*/
List<User> findAllUser();
}
1.6.4编写userMapper.xml文件
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"> <mapper namespace="com.lee.mapper.UserMapper"> <!--查找所有用户信息--> <select id="findAllUser" resultType="User"> select * from tb_user </select> </mapper>
1.6.5编写对应的测试单元
package com.lee.test;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:spring/applicationContext*.xml")
public class UserTest {
@Autowired
private UserMapper userMapper;
@Test
public void test1() {
List<User> list = userMapper.findAllUser();
for (User user : list) {
System.out.println(user);
}
}
}
遇到问题：
第一次报错内容如下：
java.lang.IllegalStateException: Failed to load ApplicationContext at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:125) at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:108) at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:117) at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:83) at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:246) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:227) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:289) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:291) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:246) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68) at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47) at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242) at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70) Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in file [E:\java\04-SSM\parent\springSSM\target\classes\spring\applicationContext-mybatis.xml]: Initialization of bean failed; nested exception is org.springframework.beans.TypeMismatchException: Failed to convert property value of type 'java.lang.String' to required type 'java.lang.Class[]' for property 'typeAliases'; nested exception is java.lang.IllegalArgumentException: Could not find class [com.lee.domain] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:589) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:503) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:741) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:869) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550) at org.springframework.test.context.support.AbstractGenericContextLoader.loadContext(AbstractGenericContextLoader.java:128) at org.springframework.test.context.support.AbstractGenericContextLoader.loadContext(AbstractGenericContextLoader.java:60) at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.delegateLoading(AbstractDelegatingSmartContextLoader.java:107) at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.loadContext(AbstractDelegatingSmartContextLoader.java:243) at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:99) at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:117) ... 24 more Caused by: org.springframework.beans.TypeMismatchException: Failed to convert property value of type 'java.lang.String' to required type 'java.lang.Class[]' for property 'typeAliases'; nested exception is java.lang.IllegalArgumentException: Could not find class [com.lee.domain] at org.springframework.beans.AbstractNestablePropertyAccessor.convertIfNecessary(AbstractNestablePropertyAccessor.java:595) at org.springframework.beans.AbstractNestablePropertyAccessor.convertForProperty(AbstractNestablePropertyAccessor.java:604) at org.springframework.beans.BeanWrapperImpl.convertForProperty(BeanWrapperImpl.java:219) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.convertForProperty(AbstractAutowireCapableBeanFactory.java:1660) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1616) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1363) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:580) ... 38 more Caused by: java.lang.IllegalArgumentException: Could not find class [com.lee.domain] at org.springframework.util.ClassUtils.resolveClassName(ClassUtils.java:313) at org.springframework.beans.propertyeditors.ClassArrayEditor.setAsText(ClassArrayEditor.java:70) at org.springframework.beans.TypeConverterDelegate.doConvertTextValue(TypeConverterDelegate.java:466) at org.springframework.beans.TypeConverterDelegate.doConvertValue(TypeConverterDelegate.java:439) at org.springframework.beans.TypeConverterDelegate.convertIfNecessary(TypeConverterDelegate.java:192) at org.springframework.beans.AbstractNestablePropertyAccessor.convertIfNecessary(AbstractNestablePropertyAccessor.java:585) ... 44 more Caused by: java.lang.ClassNotFoundException: com.lee.domain at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582) at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:185) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:496) at org.springframework.util.ClassUtils.forName(ClassUtils.java:274) at org.springframework.util.ClassUtils.resolveClassName(ClassUtils.java:310) ... 49 more
原因：
applicationContext-mybatis.xml 配置文件中配置错误，
<!--别名管理--> <property name="typeAliases" value="com.lee.domain"/>
修改为：
<!--别名管理--> <property name="typeAliasesPackage" value="com.lee.domain"/>
运行正确后测试结果：
1.7、配置事务
1.7.1在spring中配置事务
在资源包spring下创建applicationContext-tx.xml事务配置文件
<?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:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd"> <!--配置事务管理器--> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <!--其中ref可能会报红，应该是软件问题，把项目关了再开就解决--> <property name="dataSource" ref="dataSource"/> </bean> <!--配置事务属性--> <tx:advice id="txAdvice" transaction-manager="transactionManager"> <tx:attributes> <!--配置查询数据库的方法中find开头的只读--> <tx:method name="find*" read-only="true"/> <!--配置其他方法可读写（默认）--> <tx:method name="*"/> </tx:attributes> </tx:advice> <!--配置事务切面--> <aop:config> <aop:pointcut id="pointcut" expression="execution(* com.lee.service.impl.*.*(..))"/> </aop:config> </beans>
1.8、总结
至此SSM框架简单配置已经完整。
1.9、附上整体项目目录结构
内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理 
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