ssm配置整合

1、jar包

别忘了这个整合包mybatis-spring-1.3.1.jar

2、web.xml
spring核心配置文件

字符编码过滤器

springmvc的前端控制器

3、mybatis-sqlMapConfig.xml
延迟加载

<settings>
    <setting name="lazyLoadingEnabled" value="true"/>
    <setting name="aggressiveLazyLoading" value="false"/>
    <!-- 二级缓存 -->
    <!-- <setting name="cacheEnabled" value="true"/> -->
</settings>

别名

<typeAliases>
    <package name="com.pojo"/>
</typeAliases>

4、springmvc.xml
注解扫描

<context:component-scan base-package="com.controller"></context:component-scan>

处理器映射器\处理器适配器(支持json)
<mvc:annotation-driven></mvc:annotation-driven>
试图解析器

<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" 
            id="internalResourceViewResolver">
        <!-- 前缀 -->
        <property name="prefix" value="/WEB-INF/jsps/" />
        <!-- 后缀 -->
        <property name="suffix" value=".jsp" />
    </bean>

5、spring-applicationContext.xml
注解

<context:component-scan base-package="com.service"></context:component-scan>

连接池

<!-- 配置连接池 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
    <property name="driverClass" value="${db.driver}"></property>
    <property name="jdbcUrl" value="${db.url}"></property>
    <property name="user" value="${db.username}"></property>
    <property name="password" value="${db.password}"></property>
    <property name="initialPoolSize" value="${db.initialPoolSize}"></property>
    <property name="maxIdleTime" value="${db.maxIdleTime}"></property>
    <property name="maxPoolSize" value="${db.maxPoolSize}"></property>
    <property name="minPoolSize" value="${db.minPoolSize}"></property>
</bean>

sqlSessionFactory

<!-- 配置sqlSessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
  <property name="dataSource" ref="dataSource" />
  <property name="configLocation" value="classpath:sqlMapConfig.xml" />
</bean>

<!-- 批量创建dao对象 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.dao"></property>
        <!-- 可以不配，自动从上下文找sqlsessionfactory -->
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
    </bean>

配置aop、事务

<!-- 配置事务 -->
    <!-- 事务管理器 -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!-- 注入连接池 -->
        <property name="dataSource" ref="dataSource"></property>
    </bean>
    <!-- 通知：事务， -->
    <tx:advice transaction-manager="transactionManager" id="mytx">
        <tx:attributes>
            <tx:method name="*" isolation="DEFAULT" propagation="REQUIRED"/>
        </tx:attributes>
    </tx:advice>
    <aop:config>
        <aop:advisor advice-ref="mytx" pointcut="execution(* com.service.*.*(..))"/>
    </aop:config>
    <!-- 用注解 -->
    <!-- <tx:annotation-driven/> -->