Spring整合Mybatis通用Mapper

相关jar包下载地址　https://mapperhelper.github.io/docs/1.integration/

 

mybatis通用mapper

mapper-4.1.5.jar   persistence-api-1.0.jar (通用mapper依赖persistence-api-1.0.jar)

spring版本

spring-aop-4.1.2.RELEASE.jar

spring-beans-4.1.2.RELEASE.jar

spring-context-4.1.2.RELEASE.jar

spring-core-4.1.2.RELEASE.jar

spring-expression-4.1.2.RELEASE.jar

spring-jdbc-4.1.2.RELEASE.jar

spring-test-4.1.2.RELEASE.jar

spring-tx-4.1.2.RELEASE.jar

spring-web-4.1.2.RELEASE.jar

spring-webmvc-4.1.2.RELEASE.jar

数据库相关

mysql-connector-java-5.1.21.jar

druid-1.0.15.jar

Mybatis框架

mybatis-3.3.0.jar

mybatis-spring-1.1.1.jar

其它依赖

lombok-1.16.6.jar

log4j-1.2.14.jar    hamcrest-core-1.3.jar

commons-logging-1.2.jar

commons-io-2.5.jar

com.springsource.org.aspectj.weaver-1.6.8.RELEASE.jar

com.springsource.org.aopalliance-1.0.0.jar

数据库配置　db.properties

jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://127.0.0.1:3306/mybatis
jdbc.username=root
jdbc.password=root

mybatis.cfg.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>
    <settings>
        <setting name="lazyLoadingEnabled" value="false"/>
        <setting name="aggressiveLazyLoading" value="false"/>
        <setting name="lazyLoadTriggerMethods" value="equals,clone,hashCode"/>
    </settings>
</configuration>

applicationContext.xml

<?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:aop="http://www.springframework.org/schema/aop" xmlns:jee="http://www.springframework.org/schema/jee"
    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.xsd
            http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee.xsd
            http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd
            http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
    
    <!-- 1.导入数据库配置文件 -->
    <context:property-placeholder location="classpath:db.properties"/>
    <!-- 2.开启@Autowired注解 -->
    <context:annotation-config/>
    <!-- 3.扫描Spring Bean组件 -->
    <context:component-scan base-package="com.gzcgxt"/>
    <!-- 4.jdbcTemplate数据库操作组件 -->
    <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
        <constructor-arg ref="dataSource"/>
    </bean>
    <!-- 5.Druid数据源配置 -->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
        <property name="driverClassName" value="${jdbc.driverClassName}"/>
        <property name="url" value="${jdbc.url}"/>
        <property name="username" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
    </bean>
    
    <bean class="tk.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.gzcgxt.mapper" />
        <property name="properties">
            <value>
                mappers=tk.mybatis.mapper.common.Mapper
            </value>
        </property>
    </bean>
    
    <!--4:配置sesssionFactory-->
    <bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <property name="configLocation" value="classpath:mybatis.cfg.xml"/>
        <property name="mapperLocations" value="classpath:com/gzcgxt/mapper/*.xml"/>
        <property name="typeAliasesPackage" value="com.gzcgxt.erp.domain"/>
    </bean>
    
</beans> 

User.java

package com.gzcgxt.domain;

import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;

import lombok.Data;

@Data
public class User {
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Integer id;
    private String    name;
    private Integer age;
    private Integer flag;
}

UserMapper.java

package com.gzcgxt.mapper;

import tk.mybatis.mapper.common.Mapper;

import com.gzcgxt.domain.User;

public interface UserMapper extends Mapper<User>{

}

测试代码

package com.gzcgxt;

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 com.gzcgxt.domain.User;
import com.gzcgxt.mapper.UserMapper;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:applicationContext.xml")
public class APP {
    
    @Autowired
    private UserMapper userMapper;
    
    @Test
    public void testMysql() {
        
        User u = userMapper.selectByPrimaryKey(6);
        System.out.println(u);
        
    }
}