ssm整合

导入jar

编写核心配置文件

web.xml       ---sprinp配置和springmvc配置

  <!-- spring配置文件  ================================================================================== -->
  <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>
  
  <!-- srping mvc配置文件 ============================================================================== -->
  <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:mvc.xml</param-value>
      </init-param>
      
      <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
      <servlet-name>springmvc</servlet-name>
      <url-pattern>*.do</url-pattern>
  </servlet-mapping>

mvc.xml  ---spring

    <!-- spring扫描的包 -->
    <context:component-scan base-package="cn.zys.controller"></context:component-scan>

applicationContext ---spring

    <?xml version="1.0" encoding="UTF-8<beans xmlns="http://www.springframework.org/schema/beans"
　　　xmlns:mvc="http://www.springframework.org/schema/mvc"
    xmlns:context="http://www.springframework.org/schema/context"
    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
        https://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
        https://www.springframework.org/schema/mvc/spring-mvc.xsd
        http://www.springframework.org/schema/tx
        https://www.springframework.org/schema/tx/spring-tx.xsd
         http://www.springframework.org/schema/aop
        https://www.springframework.org/schema/aop/spring-aop.xsd">

    <!-- 外部引入数据库配置 -->
    <bean class="org.springframework.beans.factory.config.PlaceholderConfigurerSupport">
        <property name="location" value="classpath:db.properties"></property>
    </bean>
    <context:property-placeholder location="db.properties"/>
    <!-- 配置 datasource -->
    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
          <property name="driver" value="${driver}"/>
          <property name="url" value="${url}"/>
          <property name="username" value="${username}"/>
          <property name="password" value="${password}"/>
    </bean>
    
    <!-- 配置工厂 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"></property>
    </bean>
    
    <!-- 配置声明事务 -->
    <!-- 事务管理器 -->
    <bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"></property>
　　　　　<property name="configLocation" value="classpath:mybatis.config.xml"></property>
    </bean>
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <tx:method name="*" propagation="REQUIRED"/>
            <tx:method name="get" read-only="true"/>
        </tx:attributes>
    </tx:advice>
    <aop:config>
        <aop:pointcut expression="execution(* cn.zys.service.*.*(..))" id="pointcut"/>
        <!-- 在所有的方法中都切入前置通知-->
        <aop:advisor advice-ref="txAdvice" pointcut-ref="pointcut"/>
    </aop:config>
    <!-- 注解 -->
    <context:component-scan base-package="cn.zys"></context:component-scan>
    <!-- <mvc:annotation-driven/> -->

</beans>

mybatis.cfg.xml ---mybatis

<?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>
    <typeAliases>
        <package name="cn.zys.vo"/>
    </typeAliases>
    <mappers>
        <!-- 所有mapper文件填写位置 -->
    </mappers>
</configuration>