SSM框架整合流程

整合注意事项

要注意MyBatis版本整合Spring时使用的适配包；

下载整合适配包

https://github.com/mybatis/spring/releases

官方整合示例，jpetstore

https://github.com/mybatis/jpetstore-6

整合思路与步骤

1.搭建环境

• 创建一个动态的WEB工程

2.导入jar

• 导入SSM需要的jar包
• 导入整合适配包
• 导入其它相关支持包、log4j,pageHelper,AspectJ,jackson,jstl

3.搭建SpringMVC

• web.xml
  • DispatcherServlet
  • HiddenHttpMethodFilter
  • CharacterEncodingFilter

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
  <display-name>SSM</display-name>
  
  <!-- spring编码过滤器 -->
  <filter>
  	<filter-name>CharacterEncodingFilter</filter-name>
  	<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
  	<init-param>
  		<param-name>encoding</param-name>
  		<param-value>UTF-8</param-value>
  	</init-param>
  </filter>
  <filter-mapping>
  	<filter-name>CharacterEncodingFilter</filter-name>
  	<url-pattern>/*</url-pattern>
  </filter-mapping>
  
  <!-- REST请求方式处理 -->
  <filter>
  	<filter-name>HiddenHttpMethodFilter</filter-name>
  	<filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
  </filter>
  <filter-mapping>
  	<filter-name>HiddenHttpMethodFilter</filter-name>
  	<url-pattern>/*</url-pattern>
  </filter-mapping>
  
  <!-- springMVC核心控制器DispatcherServlet -->
  <servlet>
  	<servlet-name>DispatcherServlet</servlet-name>
  	<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  	<init-param>
  		<param-name>contextConfigLocation</param-name>
  		<param-value>classpath:springMVC.xml</param-value>
  	</init-param>
  	<load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
  	<servlet-name>DispatcherServlet</servlet-name>
  	<url-pattern>/</url-pattern>
  </servlet-mapping>
  
  <!-- 配置spring监听器 -->
  <listener>
  	<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  
  <!-- 自定义spring配置文件的位置和名称 -->
  <context-param>
  	<param-name>contextConfigLocation</param-name>
  	<param-value>classpath:spring.xml</param-value>
  </context-param>
  
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
</web-app>

• SpringMVC.xml
  • 扫描控制层组件
  • 视图解析器
  • default servlet
  • MVC驱动
  • MultipartResolver,拦截器

<?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/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
		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-4.0.xsd">

	<!-- 扫描控制层组件 -->
	<context:component-scan base-package="com.hbuas.ssm.controller"></context:component-scan>

	<!-- 配置视图解析器 -->
	<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value="/WEB-INF/view/"></property>
		<property name="suffix" value=".jsp"></property>
	</bean>
	
	<!-- 默认的servlet -->
	<mvc:default-servlet-handler/>
	
	<!-- MVC驱动 -->
	<mvc:annotation-driven />
	
<!--处理文件，将客户端上传的File文件，处理为MultipartFile-->
	<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
		<!-- 设置文件解析的编码，注意：一定要和页面的pageEncoding保持一致 -->
		<property name="defaultEncoding" value="UTF-8"></property>
		<!-- 设置最大上传文件大小 -->
		<property name="maxUploadSize" value="88888888"></property>
	</bean>

</beans>

3.整合SpringMVC和Spring

• Spring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"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:tx="http://www.springframework.org/schema/tx"
	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-4.0.xsd
		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">

	<!-- 扫描组件 -->
	<context:component-scan base-package="com.hbuas.ssm" >
		<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
	</context:component-scan>
	
	
</beans>

4.搭建MyBatis核心配置文件

<?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>
		<!-- 将下划线映射成驼峰，user_name映射为userName -->
		<setting name="mapUnderscoreToCamelCase" value="true"/>
		<!-- 开启延迟加载 -->
		<setting name="lazyLoadingEnabled" value="true"/>
		<!-- 是否查询所有数据 -->
		<setting name="aggressiveLazyLoading" value="false"/>
		<!-- 是否开启二级缓存 -->
		<setting name="cacheEnabled" value="true"/>
	</settings>
	
	<plugins>
		<plugin interceptor="com.github.pagehelper.PageInterceptor"></plugin>
	</plugins>
	
</configuration>

5.Spring整合MyBatis

•         properties文件的引入
•         DataSource数据源的配置
•         事务管理器
•         开启事务驱动
•         SqlSessionFactoryBean：管理SqlSession
•         MapperScannerConfigurer

<?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:tx="http://www.springframework.org/schema/tx"
	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-4.0.xsd
		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">

	<!-- 扫描组件 -->
	<context:component-scan base-package="com.hbuas.ssm" >
		<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
	</context:component-scan>
	
	<!-- 引入资源文件 -->
	<context:property-placeholder location="classpath:jdbc.properties"/>
	
	<!-- 数据源 -->
	<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
		<property name="driverClassName" value="${jdbc.driver}"></property>
		<property name="url" value="${jdbc.url}"></property>
		<property name="username" value="${jdbc.username}"></property>
		<property name="password" value="${jdbc.password}"></property>
	</bean>
	
	<!-- 声明事务管理器 -->
	<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="dataSource"></property>
	</bean>
	
	<!-- 开启事务注解驱动 -->
	<tx:annotation-driven transaction-manager="transactionManager"/>
	
	<!-- 管理mybatis操作数据库的会话对象SqlSession -->
	<bean class="org.mybatis.spring.SqlSessionFactoryBean">
		<!-- 设置mybatis核心配置文件的路径 -->
		<property name="configLocation" value="classpath:mybatis-config.xml"></property>
		<!-- 设置数据源 -->
		<property name="dataSource" ref="dataSource"></property>
		<!-- 设置类型别名 -->
		<property name="typeAliasesPackage" value="com.hbuas.ssm.bean"></property>
		<!-- 设置映射文件的路径 -->
		<property name="mapperLocations" value="classpath:com/hbuas/ssm/mapper/*.xml"></property>
	</bean>
	
	<!-- 在所设置的包下，将所有的接口生成动态代理实现类，并由spring容器管理 -->
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<property name="basePackage" value="com.hbuas.ssm.mapper"></property>
	</bean>
 
</beans>

 

来源：oschina

链接：https://my.oschina.net/u/4152684/blog/3167426