SET NAMES utf8mb4;SET FOREIGN_KEY_CHECKS = 0;-- ------------------------------ Table structure for employee-- ----------------------------DROP TABLE IF EXISTS `employee`;CREATE TABLE `employee` ( `id` int(11) NOT NULL AUTO_INCREMENT, `name` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT ‘姓名‘, `salary` decimal(10, 2) NULL DEFAULT NULL COMMENT ‘工资‘, `age` int(11) NULL DEFAULT NULL COMMENT ‘年龄‘, PRIMARY KEY (`id`) USING BTREE) ENGINE = InnoDB AUTO_INCREMENT = 6 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Compact;-- ------------------------------ Records of employee-- ----------------------------INSERT INTO `employee` VALUES (1, ‘tom‘, 12345.65, 26);INSERT INTO `employee` VALUES (2, ‘jerry‘, 5468.10, 15);INSERT INTO `employee` VALUES (3, ‘xuweiwei‘, 12345678.90, 27);INSERT INTO `employee` VALUES (4, ‘sunxiaping‘, 11111.11, 28);INSERT INTO `employee` VALUES (5, ‘haha‘, 5648.12, 58);SET FOREIGN_KEY_CHECKS = 1;

package com.xuweiwei.commonmapper.model;/** * @describe: * @author: 不为往事扰，余生只爱笑。 * @version: 1.0 */public class Employee { private Integer id; private String name; private Double salary; private Integer age; public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public Double getSalary() { return salary; } public void setSalary(Double salary) { this.salary = salary; } public Integer getAge() { return age; } public void setAge(Integer age) { this.age = age; }}

 <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> <dependency> <groupId>cglib</groupId> <artifactId>cglib</artifactId> <version>2.2</version> </dependency> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.6.8</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>1.7.7</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>1.7.7</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.2.8</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.2.2</version> </dependency> <dependency> <groupId>com.mchange</groupId> <artifactId>c3p0</artifactId> <version>0.9.2</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>4.3.10.RELEASE</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.37</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-orm</artifactId> <version>4.3.10.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>4.3.10.RELEASE</version> </dependency>

jdbc.user=rootjdbc.password=123456jdbc.url=jdbc:mysql://localhost:3306/mapper?useUnicode=true&characterEncoding=utf8jdbc.driver=com.mysql.jdbc.Driver

<?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>

log4j.rootLogger=DEBUG,myConsolelog4j.appender.myConsole=org.apache.log4j.ConsoleAppenderlog4j.appender.myConsole.ImmediateFlush=truelog4j.appender.myConsole.Target=System.outlog4j.appender.myConsole.layout=org.apache.log4j.PatternLayoutlog4j.appender.myConsole.layout.ConversionPattern=[%-5p] %d(%r) --> [%t] %l: %m %x %nlog4j.logger.com.mchange.v2=debug

<?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:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="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-4.3.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd"> <context:component-scan base-package="com.xuweiwei.commonmapper"></context:component-scan> <!-- 配置数据源 --> <context:property-placeholder location="classpath:jdbc.properties"/> <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"> <property name="user" value="${jdbc.user}"/> <property name="password" value="${jdbc.password}"/> <property name="jdbcUrl" value="${jdbc.url}"/> <property name="driverClass" value="${jdbc.driver}"/> </bean> <!-- 整合MyBatis --> <bean id="sqlSessionFactoryBean" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="configLocation" value="classpath:mybatis-config.xml"/> <property name="dataSource" ref="dataSource"/> </bean> <!-- 整合通用Mapper所需要做的配置修改： --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.xuweiwei.commonmapper.mapper"/> </bean> <!-- 配置声明式事务 --> <bean id="dataSourceTransactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"/> </bean> <tx:annotation-driven transaction-manager="dataSourceTransactionManager"/></beans>

package com.xuweiwei.commonmapper;import org.junit.Test;import org.junit.runner.RunWith;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.test.context.ContextConfiguration;import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;import javax.sql.DataSource;/** * @describe: * @author: 不为往事扰，余生只爱笑。 * @version: 1.0 */@RunWith(value = SpringJUnit4ClassRunner.class)@ContextConfiguration(locations = "classpath:applicationContext.xml")public class CommonMapperTest { @Autowired private DataSource dataSource; @Test public void testDataSource() { System.out.println(dataSource); }}

<?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:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="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-4.3.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd"> <context:component-scan base-package="com.xuweiwei.commonmapper"></context:component-scan> <!-- 配置数据源 --> <context:property-placeholder location="classpath:jdbc.properties"/> <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"> <property name="user" value="${jdbc.user}"/> <property name="password" value="${jdbc.password}"/> <property name="jdbcUrl" value="${jdbc.url}"/> <property name="driverClass" value="${jdbc.driver}"/> </bean> <!-- 整合MyBatis --> <bean id="sqlSessionFactoryBean" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="configLocation" value="classpath:mybatis-config.xml"/> <property name="dataSource" ref="dataSource"/> </bean> <!-- 整合通用Mapper所需要做的配置修改： --> <!--原生mybatis org.mybatis.spring.mapper.MapperScannerConfigurer--> <!--通用mapper tk.mybatis.spring.mapper.MapperScannerConfigurer--> <bean class="tk.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.xuweiwei.commonmapper.mapper"/> </bean> <!-- 配置声明式事务 --> <bean id="dataSourceTransactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"/> </bean> <tx:annotation-driven transaction-manager="dataSourceTransactionManager"/></beans>