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[ASP.net教程]SpringMVC + MyBatis整合


环境:spring3.1.1+mybatis3.2.8+mybatis-spring1.2.3

网络上关于这个架构的搭建文章,实在是太多了,本文是对于本人初次搭建时的一些注意点的整理。

主要是一些配置文件的内容和架构的目录。

0. project 目录

1. spring-resources.

这个文件是用来完成spring和mybatis的整合的?

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<? version="1.0" encoding="UTF-8"?> 
<beans ="http://www.springframework.org/schema/beans" 
    ="http://www.w3.org/2001/
    ="http://www.springframework.org/schema/p" 
    ="http://www.springframework.org/schema/context" 
    ="http://www.springframework.org/schema/tx" 
    ="http://www.springframework.org/schema/aop"
    xsi:schemaLocation=" 
    http://www.springframework.org/schema/beans  
    http://www.springframework.org/schema/beans/spring-beans-3.0.xsd 
    http://www.springframework.org/schema/tx  
    http://www.springframework.org/schema/tx/spring-tx-3.0.xsd  
    http://www.springframework.org/schema/context  
    http://www.springframework.org/schema/context/spring-context-3.0.xsd
    http://www.springframework.org/schema/aop       
    http://www.springframework.org/schema/aop/spring-aop-3.2.xsd"
    default-autowire="byName" default-lazy-init="false">
     
    <!-- 自动扫描组件,需要把controller去掉,否则影响事务管理 --> 
    <context:component-scan base-package="org.com.mars"
        <context:exclude-filter type="regex" 
            expression="org.com.mars.controller.*" /> 
    </context:component-scan>
 
    <!-- 引入jdbc配置文件 --> 
    <context:property-placeholder location="classpath:prop/jdbc.properties" />
 
    <!-- (事务管理)transaction manager, use JtaTransactionManager for global tx --> 
    <bean id="transactionManager" 
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager"
        <property name="dataSource" ref="dataSource" /> 
    </bean>
     
    <!-- 声明式事务管理 -->
    <aop:config
        <aop:advisor pointcut="execution(* org.com.mars.service..*.*(..))" 
            advice-ref="myAdvice" /> 
    </aop:config
    <tx:advice id="myAdvice" transaction-manager="transactionManager"
        <tx:attributes
            <tx:method name="find*" propagation="SUPPORTS" read-only="true" /> 
            <tx:method name="query*" propagation="SUPPORTS" read-only="true" /> 
            <tx:method name="list*" propagation="SUPPORTS" read-only="true" /> 
   
            <tx:method name="create*" propagation="REQUIRED" /> 
            <tx:method name="save*" propagation="REQUIRED" /> 
            <tx:method name="modify*" propagation="REQUIRED" /> 
            <tx:method name="update*" propagation="REQUIRED" /> 
            <tx:method name="delete*" propagation="REQUIRED" /> 
   
            <tx:method name="*" propagation="SUPPORTS" read-only="true" /> 
        </tx:attributes
    </tx:advice
     
    <!-- 创建SqlSessionFactory,同时指定数据源 --> 
    <bean id="mySqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"
        <property name="dataSource" ref="dataSource" /> 
        <!-- 自动扫描entity目录, 省掉Configuration.
        <property name="mapperLocations" value="classpath*:maper/*.map. />
    </bean>
     
    <!-- DAO接口所在包名,Spring会自动查找其下的类 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"
        <property name="basePackage" value="org.com.mars.dao" />
        <property name="sqlSessionFactoryBeanName" value="mySqlSessionFactory" />
    </bean>
     
    <!-- 可通过注解控制事务 --> 
    <tx:annotation-driven />
     
    <!-- 数据库连接池 -->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
        destroy-method="close">
        <!-- Connection Info -->
        <property name="driverClassName" value="${jdbc.driver}" />
        <property name="url" value="${jdbc.url}" />
        <property name="username" value="${jdbc.username}" />
        <property name="password" value="${jdbc.password}" />
 
        <!-- Connection Pooling Info -->
        <property name="maxActive" value="${dbcp.maxActive}" />
        <property name="maxIdle" value="${dbcp.maxIdle}" />
        <property name="defaultAutoCommit" value="false" />
        <!-- 配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒 -->
        <property name="timeBetweenEvictionRunsMillis" value="3600000" />
        <!-- 配置一个连接在池中最小生存的时间,单位是毫秒 -->
        <property name="minEvictableIdleTimeMillis" value="3600000" />
    </bean>
</beans>



2. mapper.

 

?
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<? version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" 
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="org.com.mars.dao.test.UserDao">
 
 <!-- mapping -->
 <resultMap id="User_t" type="org.com.mars.pojo.test.User">
 <result property="userId" column="user_id" jdbcType="VARCHAR" />
 <result property="userName" column="user_name" jdbcType="VARCHAR" />
 </resultMap>
 
 <sql id="columns">
 user_id,
 user_name
 </sql>
 
 
 <!-- 根据ID查询用户信息 -->
 <select id="queryUserById" resultMap="User_t">
 SELECT
 <include refid="columns" />
 FROM
 user_t
 WHERE
 user_id = #{userId}
 </select>
 
</mapper>



springmvc + mybatis整合详细,及遇到的问题请参看以下资料:

项目源码下载