详解spring+springmvc+mybatis整合注解

<context-param>    <param-name>contextConfigLocation</param-name>    <param-value>classpath:applicationContext.xml</param-value>  </context-param>  <listener>    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>  </listener>  <servlet>    <servlet-name>springmvc</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>  </servlet>  <servlet-mapping>    <servlet-name>springmvc</servlet-name>    <url-pattern>*.action</url-pattern></servlet-mapping>

<update id="update" parameterType="accounting" >    update accounting set money=#{money} where name=#{name}  </update>  <select id="findMoneyByName" parameterType="string" resultType="accounting">    select * from accounting where name=#{name}</select>

public void update(Accounting a);public Accounting findMoneyByName(String name);

public void remit(String from,String to,double money);

@Servicepublic class AccountServiceImpl implements AccountService {  @Autowired  private AccountDao ad;  @Override  public void remit(String from, String to, double money) {    Accounting fromAccount=ad.findMoneyByName(from);    fromAccount.setMoney(fromAccount.getMoney()-money);    ad.update(fromAccount);    Accounting toAccount=ad.findMoneyByName(to);    toAccount.setMoney(toAccount.getMoney()+money);    ad.update(toAccount);  }}

<beans xmlns="http://www.springframework.org/schema/beans"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"  xmlns:context="http://www.springframework.org/schema/context"  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-3.2.xsd     http://www.springframework.org/schema/mvc     http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd     http://www.springframework.org/schema/context     http://www.springframework.org/schema/context/spring-context-3.2.xsd     http://www.springframework.org/schema/aop     http://www.springframework.org/schema/aop/spring-aop-3.2.xsd     http://www.springframework.org/schema/tx     http://www.springframework.org/schema/tx/spring-tx-3.2.xsd ">  <!-- 加载db.properties文件中的内容，db.properties文件中key命名要有一定的特殊规则 -->  <context:property-placeholder location="classpath:db.properties" />  <!-- 配置数据源 ，dbcp -->  <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"    destroy-method="close">    <property name="driverClassName" value="${jdbc.driver}" />    <property name="url" value="${jdbc.url}" />    <property name="username" value="${jdbc.username}" />    <property name="password" value="${jdbc.password}" />    <property name="maxActive" value="30" />    <property name="maxIdle" value="5" />  </bean>  <!-- sqlSessionFactory -->  <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">    <!-- 数据库连接池 -->    <property name="dataSource" ref="dataSource" />    <!-- 加载mybatis的全局配置文件 -->    <property name="configLocation" value="classpath:sqlMapConfig.xml" />  </bean>  <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">    <property name="dataSource" ref="dataSource"/>  </bean>  <tx:advice id="txAdvice" transaction-manager="transactionManager">    <tx:attributes>      <tx:method name="*" propagation="REQUIRED"/>    </tx:attributes>  </tx:advice>  <aop:config>    <aop:advisor advice-ref="txAdvice" pointcut="execution(* service..*.*(..))"/>  </aop:config>  <!-- mapper扫描器 -->  <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">    <!-- 扫描包路径，如果需要扫描多个包，中间使用半角逗号隔开 -->    <property name="basePackage" value="dao"></property>    <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />  </bean></beans>

<beans xmlns="http://www.springframework.org/schema/beans"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"  xmlns:context="http://www.springframework.org/schema/context"  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-3.2.xsd     http://www.springframework.org/schema/mvc     http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd     http://www.springframework.org/schema/context     http://www.springframework.org/schema/context/spring-context-3.2.xsd     http://www.springframework.org/schema/aop     http://www.springframework.org/schema/aop/spring-aop-3.2.xsd     http://www.springframework.org/schema/tx     http://www.springframework.org/schema/tx/spring-tx-3.2.xsd ">  <mvc:annotation-driven></mvc:annotation-driven>  <context:component-scan base-package="action"></context:component-scan>  <context:component-scan base-package="service"></context:component-scan></beans>

//index.jsp: <form action="account_execute.action" method="post">  汇款人：<input type="text" name="from"/>  收款人：<input type="text" name="to"/>  钱数：<input type="text" name="money"/>  <input type="submit"/> </form>//message.jsp${message }