Mybaits整合Spring自动扫描 接口，Mybaits配置文件.xml文件和Dao实体类

1.转自：https://blog.csdn.net/u013802160/article/details/51815077

<?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: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-3.1.xsd    
                            http://www.springframework.org/schema/context    
                            http://www.springframework.org/schema/context/spring-context-3.1.xsd    
                            http://www.springframework.org/schema/mvc    
                            http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">

    <!-- 自动扫描 -->
    <context:component-scan base-package="com.goshop" />  

    <!-- 引入配置文件 -->
    <bean id="propertyConfigurer"
        class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="location" value="classpath:jdbc.properties"></property>
    </bean>

    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
        destroy-method="close">
        <property name="driverClassName" value="${driver}" />
        <property name="url" value="${url}" />
        <property name="username" value="${username}" />
        <property name="password" value="${password}" />
        <!-- 初始化连接大小 -->
        <property name="initialSize" value="${initialSize}"></property>
        <!-- 连接池最大数量 -->
        <property name="maxActive" value="${maxActive}"></property>
        <!-- 连接池最大空闲 -->
        <property name="maxIdle" value="${maxIdle}"></property>
        <!-- 连接池最小空闲 -->
        <property name="minIdle" value="${minIdle}"></property>
        <!-- 获取连接最大等待时间 -->
        <property name="maxWait" value="${maxWait}"></property>
    </bean>

    <!-- spring和MyBatis完美整合，不需要mybatis的配置映射文件 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"></property>
        <!-- 自动扫描mapping.xml文件 -->
　　　　　　<!-- 将configLocation去掉，换成mapperLocations则扫描所有xml配置文件 ,-->
　　　　　　<!-- 如果用configLocation，则可在Configuration.xml 一个一个加载实体配置文件.xml -->
44         <!-- <property name="configLocation" value="mybatis/SqlMapConfig.xml" /> -->
        <property name="mapperLocations" value="classpath:com/goshop/mapper/*.xml"></property>
    </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="com.goshop.dao" />
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
    </bean>

    <!-- (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>  
    
</beans>

2.

  <property name="dataSource" ref="dataSource"></property>
43         <!-- 自动扫描mapping.xml文件 -->
　　　　　　<!-- 将configLocation去掉，换成mapperLocations则扫描所有xml配置文件 ,-->
　　　　　　<!-- 如果用configLocation，则可在Configuration.xml 一个一个加载实体配置文件.xml -->
44         <!-- <property name="configLocation" value="mybatis/SqlMapConfig.xml" /> -->
    <property name="mapperLocations" value="classpath:com/goshop/mapper/*.xml"></property>