Spring3+mybatis+mysql整合详解（三）

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Spring

spring mvc mybatis

下面来看Spring的配置：

1、applicationContext.xml

Xml代码

<?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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd">
<import resource="daoContext.xml" />
<import resource="iocContext.xml" />
<import resource="mvcContext.xml" />
<import resource="aopContext.xml" />
</beans>

<?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:aop="http://www.springframework.org/schema/aop"
  xmlns:tx="http://www.springframework.org/schema/tx"
  xsi:schemaLocation="
  http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
  http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
  http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd">	
	<!-- DAO配置 -->
	<import resource="daoContext.xml" />
	
	<!-- IoC配置 -->
	<import resource="iocContext.xml" />
	
	<!-- MVC配置 -->
	<import resource="mvcContext.xml" />
	
	<!-- AOP配置 -->
	<import resource="aopContext.xml" />
</beans>

2、daoContext.xml

Xml代码

<?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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx" xmlns:p="http://www.springframework.org/schema/p"
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-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
<bean id="DataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://localhost:3306/myfristdb" />
<property name="username" value="root" />
<property name="password" value="admin" />
</bean>
<bean id="SqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="configLocation" value="classpath:SqlMapConfig.xml" />
<property name="dataSource" ref="DataSource" />
</bean>
<bean id="TransactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="DataSource" />
</bean>
</beans>

<?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:aop="http://www.springframework.org/schema/aop"
	xmlns:tx="http://www.springframework.org/schema/tx" xmlns:p="http://www.springframework.org/schema/p"
	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-2.5.xsd
  http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
  http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
  http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
  http://www.springframework.org/schema/mvc  http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">

	<!-- 配置数据源 -->
	<bean id="DataSource"
		class="org.springframework.jdbc.datasource.DriverManagerDataSource">
		<property name="driverClassName" value="com.mysql.jdbc.Driver" />
		<property name="url" value="jdbc:mysql://localhost:3306/myfristdb" />
		<property name="username" value="root" />
		<property name="password" value="admin" />
	</bean>

	<!-- Spring、MyBatis的整合，需要在 Spring 应用上下文中定义至少两样东西：一个SqlSessionFactory和至少一个数据映射器类（UserMapper->iocContext.xml）。 -->
	<bean id="SqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
		<property name="configLocation" value="classpath:SqlMapConfig.xml" />
		<property name="dataSource" ref="DataSource" />
	</bean>
	
	<!-- 配置事务管理器 -->
	<bean id="TransactionManager"
		class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="DataSource" />
	</bean>
</beans>

该部分为Mybatis和Spring3的整合配置，包括数据源、SqlSessionFactory及事务管理器的配置。

3、iocContext.xml

Xml代码

<?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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd">
<bean id="UserMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">
<property name="sqlSessionFactory" ref="SqlSessionFactory" />
<property name="mapperInterface" value="com.hl.usersmanager.dao.IUserMapper" />
</bean>
<bean id="LoginMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">
<property name="sqlSessionFactory" ref="SqlSessionFactory" />
<property name="mapperInterface" value="com.hl.usersmanager.dao.ILoginMapper" />
</bean>
</beans>

<?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:aop="http://www.springframework.org/schema/aop"
  xmlns:tx="http://www.springframework.org/schema/tx"
  xsi:schemaLocation="
  http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
  http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
  http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd">
	<!-- 数据映射器类  mapper bean -->
	<bean id="UserMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">
		<property name="sqlSessionFactory" ref="SqlSessionFactory" />
		<!-- 注意指定的映射器类必须是一个接口，而不是具体的实现类  -->
	    <property name="mapperInterface" value="com.hl.usersmanager.dao.IUserMapper" />
	</bean>
	
	<bean id="LoginMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">
		<property name="sqlSessionFactory" ref="SqlSessionFactory" />
	    <property name="mapperInterface" value="com.hl.usersmanager.dao.ILoginMapper" />
	</bean>
</beans>

这部分是Dao层bean的配置。注意，这里bean的class并非直接指向dao层的类，而是指向org.mybatis.spring.mapper.MapperFactoryBean，并将dao层接口IUserMapper作为MapperFactoryBean的mapperInterface属性。

mybatis会自动帮我们创建一个代理类，执行IUserMapper里面的方法。也就是说，只要我们写好了mybatis的SqlMapConfig.xml，dao层只需要一个接口Mapper就行了，甚至连实现类都不要，因为myBatis自动帮我们完成。强大吧！

当然必须为MapperFactoryBean指定一个sqlSessionFactory，那就是前面我们在daoContext.xml中配置的SqlSessionFactory。

4、mvcContext.xml

Xml代码

<?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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:p="http://www.springframework.org/schema/p"
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-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
<!-- 国际化配置参考：http://hi.baidu.com/sonmeika/blog/item/8069b2dd7db1c9395882dd29.html
<bean id="localeResolver" class="org.springframework.web.servlet.i18n.AcceptHeaderLocaleResolver">
</bean> -->
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/page/"/>
<property name="suffix" value=".jsp"/>
<property name="viewClass">
<value>org.springframework.web.servlet.view.InternalResourceView</value>
</property>
</bean>
<mvc:annotation-driven/>
<context:component-scan base-package="com.hl.usersmanager">
<!-- 允许定义过滤器将基包下的某些类纳入或排除
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/> -->
</context:component-scan>
<!-- 启动Spring MVC的注解功能，完成请求和注解POJO的映射
<bean class="org.springframework.web.portlet.mvc.annotation.AnnotationMethodHandlerAdapter"/> -->
</beans>

<?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:aop="http://www.springframework.org/schema/aop"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:p="http://www.springframework.org/schema/p"
	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-2.5.xsd
  http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
  http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
  http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
  http://www.springframework.org/schema/mvc  http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">

	<!-- 参考资料：http://code.google.com/p/bounding/wiki/SpringMVC3 -->
	
	<!-- 国际化配置 参考：http://hi.baidu.com/sonmeika/blog/item/8069b2dd7db1c9395882dd29.html 
	<bean id="localeResolver" class="org.springframework.web.servlet.i18n.AcceptHeaderLocaleResolver">
	</bean> -->
	
	<!--配置视图解析器-->
	<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value="/WEB-INF/page/"/>  
    	<property name="suffix" value=".jsp"/><!--可为空,方便实现自已的依据扩展名来选择视图解释类的逻辑  -->
		<property name="viewClass">
			<value>org.springframework.web.servlet.view.InternalResourceView</value>
		</property>
	</bean>
	
	<!-- 注解支持 -->  
	<mvc:annotation-driven/>
	
	<!-- 对包中的所有类进行扫描，以完成Bean创建和自动依赖注入的功能 -->
	<context:component-scan base-package="com.hl.usersmanager">
		<!-- 允许定义过滤器将基包下的某些类纳入或排除
		<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/> -->
	</context:component-scan>
	
	<!-- 启动Spring MVC的注解功能，完成请求和注解POJO的映射 
    <bean class="org.springframework.web.portlet.mvc.annotation.AnnotationMethodHandlerAdapter"/> -->

</beans>

这部分是Spring mvc的配置。

viewResolver视图解析器是必须的。其属性prefix表示某个视图指向到那个路径，suffix属性表示视图的后缀（如果配置为jsp则表示该视图使用jsp页面进行渲染）。例如某个Controller返回一个login视图，根据当前的配置，表示该视图使用/WEB-INF/page/login.jsp进行渲染。这一点跟struts2有点像.

由于我们使用了注解的方式声明Controller，所以我们不再需要在Spring中配置Controller的bean。首先，开启注解支持，然后知道需要扫描注解的路径。

5、aopContext.xml

Xml代码

<?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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd">
<aop:aspectj-autoproxy/>
<!--
<bean class="org.springframework.aop.aspectj.annotation.AnnotationAwareAspectJAutoProxyCreator" />-->
<bean id="UserInterceptor" class="com.hl.usersmanager.controller.aop.UserInterceptor"></bean>
</beans>

<?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:aop="http://www.springframework.org/schema/aop"
  xmlns:tx="http://www.springframework.org/schema/tx"
  xsi:schemaLocation="
  http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
  http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
  http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd">
	
	<!-- aop注解支持 -->
	<aop:aspectj-autoproxy/>
	
	<!-- 
	<bean class="org.springframework.aop.aspectj.annotation.AnnotationAwareAspectJAutoProxyCreator" />-->
	
	<!-- 拦截器 -->
	<bean id="UserInterceptor" class="com.hl.usersmanager.controller.aop.UserInterceptor"></bean>
</beans>

这里是Spring aop的配置。首先需要开启注解支持。.AnnotationAwareAspectJAutoProxyCreator可以自动完成aop 注解类的加载，但测试时发现跟spring mvc似乎有些冲突，没有测试成功。好吧，只能老老实实的把每个拦截器bean配置起来。

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java中为什么main函数是public static | Spring3+mybatis+mysql整合详解（二）

2012-06-17 15:55
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