<?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:aop="http://www.springframework.org/schema/aop"xmlns:context="http://www.springframework.org/schema/context"xmlns:jdbc="http://www.springframework.org/schema/jdbc" xmlns:tx="http://www.springframework.org/schema/tx"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsdhttp://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-4.0.xsdhttp://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd"><!-- 扫描包 --><context:component-scan base-package="com.neuedu"><context:exclude-filter type="annotation"expression="org.springframework.stereotype.Controller" /><!-- 处理全局异常，可以标记在类上 --><context:exclude-filter type="annotation"expression="org.springframework.web.bind.annotation.ControllerAdvice" /></context:component-scan><!-- 加载外部属性文件（数据库驱动） --><context:property-placeholder location="classpath:jdbc.properties" /><!-- 配置数据库加载内容（c3p0） --><bean id="ComboPooledDataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"><property name="user" value="${jdbc.user}"></property><property name="password" value="${jdbc.password}"></property><property name="driverClass" value="${jdbc.driver}"></property><property name="jdbcUrl" value="${jdbc.url}"></property></bean><!-- 对于 mybatis 而言，使用的事务管理器是 DataSourceTransactionManager --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"><property name="dataSource" ref="ComboPooledDataSource" /></bean><tx:annotation-driven /><!-- 配置SqlSessionFactory --><bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"><property name="dataSource" ref="ComboPooledDataSource"></property><!-- 配置mybatis配置文件的位置和名称 --><property name="configLocation" value="classpath:mytabis-config.xml"></property></bean><!-- 扫描接口和sql配置文件 --><bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"><property name="basePackage" value="com.neuedu.mapper"></property></bean>
</beans>

<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE configurationPUBLIC "-//mybatis.org//DTD Config 3.0//EN""http://mybatis.org/dtd/mybatis-3-config.dtd">
<!-- 总控配置文件 -->
<configuration><settings><!-- 支持数据库中下划线命名的参数向项目对象中驼峰式命名的属性自动匹配 --><setting name="mapUnderscoreToCamelCase" value="true" /><!-- 支持懒加载 --><setting name="lazyLoadingEnabled" value="true"/> </settings> </configuration></settings>
</configuration>

jdbc.user=root
jdbc.password=123456
jdbc.url=jdbc:mysql://localhost:3306/mytabis
jdbc.driver=com.mysql.jdbc.Driver

　　　　　<!-- 加载外部属性文件 --><context:property-placeholder location="classpath:jdbc.properties" /><!-- 配置数据库加载内容（c3p0） --><bean id="ComboPooledDataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"><property name="user" value="${jdbc.user}"></property><property name="password" value="${jdbc.password}"></property><property name="driverClass" value="${jdbc.driver}"></property><property name="jdbcUrl" value="${jdbc.url}"></property></bean>

　　　　　<!-- 配置SqlSessionFactory --><bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"><property name="dataSource" ref="ComboPooledDataSource"></property><!-- 配置mybatis配置文件的位置和名称 --><property name="configLocation" value="classpath:mytabis-config.xml"></property></bean>

<configuration><settings><!-- 支持数据库中下划线命名的参数向项目对象中驼峰式命名的属性自动匹配 --><setting name="mapUnderscoreToCamelCase" value="true" /><!-- 支持懒加载 --><setting name="lazyLoadingEnabled" value="true"/> </settings> </configuration></settings>
</configuration>

public interface EmployeeMapper {public employee getEmployeeById(int id); }

   <select id="getEmployeeById" parameterType="Integer" resultType="com.neuedu.Bean.employee">select id,last_name,email,genderfrom tbl_employee where id = #{id} </select>

public class smTest {@Testpublic void test() {ApplicationContext ioc =new ClassPathXmlApplicationContext("Spring.xml");EmployeeMapper bean = ioc.getBean(EmployeeMapper.class);employee employee = bean.getEmployeeById(10);System.out.println(employee);}
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