MyBatis 集成MyBatisPlus

• 創建maven 工程加入依賴

<dependencies>

		<dependency>
			<groupId>com.baomidou</groupId>
			<artifactId>mybatis-plus</artifactId>
			<version>2.1.8</version>
		</dependency>
		<dependency>
			<groupId>log4j</groupId>
			<artifactId>log4j</artifactId>
			<version>1.2.17</version>
		</dependency>
		<dependency>
			<groupId>c3p0</groupId>
			<artifactId>c3p0</artifactId>
			<version>0.9.1.2</version>
		</dependency>
		
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<version>5.1.40</version>
		</dependency>
		
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context</artifactId>
			<version>5.1.1.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-orm</artifactId>
			<version>5.0.7.RELEASE</version>
		</dependency>


		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>4.12</version>
		</dependency>
		<dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>druid</artifactId>
			<version>1.1.10</version>
		</dependency>
		
	</dependencies>

• 數據庫連接信息
  db.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/test
jdbc.username=root
jdbc.password=root

• mybatis-config.xml

<?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>


</configuration>

• spring-config.xml 配置文件

<?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:context="http://www.springframework.org/schema/context"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:mybatis-spring="http://mybatis.org/schema/mybatis-spring"
	xsi:schemaLocation="http://mybatis.org/schema/mybatis-spring http://mybatis.org/schema/mybatis-spring-1.2.xsd
		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">

	<!-- 加載數據庫屬性文件 -->
	<context:property-placeholder location="classpath:configs/db.properties"/>
	
	<!-- 數據源 -->
	<bean id = "dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
		<property name="driverClass" value="${jdbc.driver}"/>
		<property name="jdbcUrl" value="${jdbc.url}"/>
		<property name="user" value="${jdbc.username}"/>
		<property name="password" value="${jdbc.password}"></property>
	</bean>
	
	<!-- 配置DRUID 數據源對象-->
    <bean id="dataSource1" class="com.alibaba.druid.pool.DruidDataSource"
          init-method="init"  
          destroy-method="close"
          lazy-init="false">
          <property name="driverClassName" value="${jdbc.driver}"/>
          <property name="url" value="${jdbc.url}"/>
          <property name="username" value="${jdbc.username}"/>
          <property name="password" value="${jdbc.password}"/>
    </bean>
    
	<!-- 配置事務管理器 -->
	<bean id = "dataSourceTransactionManger" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="dataSource"/>
		<property name="defaultTimeout" value="6000"/>
	</bean>
	
	<!-- 開啓註解式事務 -->
	<tx:annotation-driven transaction-manager="dataSourceTransactionManger"/>
	
	<!-- 配置sqlsessionfactoryBean -->
	<bean id = "sqlsessionFactoryBean" class="org.mybatis.spring.SqlSessionFactoryBean">
		<property name="dataSource" ref="dataSource"/>
		<property name="configLocation" value="classpath:configs/mybatis-config.xml"/>
		<property name="typeAliasesPackage" value="com.feifan.pojo"/>
		<property name="mapperLocations" value="classpath:mapper/*Mapper.xml"/>
	</bean>
	
	<!-- 配置mapper掃描的包 -->
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<property name="basePackage" value="com.feifan.mapper"/>
		<property name="sqlSessionFactory" ref="sqlsessionFactoryBean"/>
	</bean>
	
	<bean id="myController" class="com.feifan.controller.MyController"></bean>

</beans>

• 簡單的Mapper 文件

<?xml 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="com.feifan.mapper.EmployeeMapper">

	<select id="findAllData" resultType="EmployeeTo">
		select * from tbl_employee
	</select>
	
</mapper>