MyBatis与Spring集成

beans.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: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/aop 
        http://www.springframework.org/schema/aop/spring-aop-4.1.xsd
        http://www.springframework.org/schema/context 
        http://www.springframework.org/schema/context/spring-context-4.1.xsd
        http://www.springframework.org/schema/tx 
        http://www.springframework.org/schema/tx/spring-tx-4.1.xsd">
    <!-- 1. 数据源：DriverManagerDataSource -->
    <bean id="ds"
        class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="url" value="jdbc:mysql://127.0.0.1:3306/test" />
        <property name="username" value="root" />
        <property name="password" value="mysql" />
        <property name="driverClassName" value="com.mysql.jdbc.Driver" />
    </bean>
    <!-- 2. mybatis的sqlSession的工厂：SqlSessionFactoryBean -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- datasource: 引用数据源 -->
        <property name="dataSource" ref="ds" />
        <!-- 别名包，设置之后自动扫描包下的类 -->
        <property name="typeAliasesPackage" value="com.stone.bean" />
    </bean>
    <!-- 3. mybatis自动扫描加载sql映射文件：MapperScannerConfigurer -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!-- basePackage: 指定Sql映射文件/接口所在的包，自动扫描 -->
        <property name="basePackage" value="com.stone.dao" />
        <!-- sqlSessionFactory 引用定义好的sqlSessionFactory -->
        <property name="sqlSessionFactory" ref="sqlSessionFactory" />
    </bean>
    <!-- 4. 事务管理：DataSourceTransactionManager -->
    <bean id="txManager"
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!-- dataSource 引用上面定义的数据源 -->
        <property name="dataSource" ref="ds" />
    </bean>
    <!-- 5.使用声明式事务 -->
    <!-- transaction-manager : 引用上面定义的事务管理器 -->
    <tx:annotation-driven transaction-manager="txManager" />

</beans>

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>

Java Bean

package com.stone.bean;

import java.text.SimpleDateFormat;
import java.util.Date;

public class Person {

    private int id;
    private String name;
    private Date birthday;

    
    public Person() {
        super();
    }

    public Person(int id, String name, Date birthday) {
        super();
        this.id = id;
        this.name = name;
        this.birthday = birthday;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Date getBirthday() {
        return birthday;
    }

    public void setBirthday(Date birthday) {
        this.birthday = birthday;
    }

    @Override
    public String toString() {
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd HH:mm:SS");
        return "Person [id=" + id + ", name=" + name + ", birthday="
                + dateFormat.format(birthday) + "]";
    }
    

}

dao - 两个文件名必须一样

package com.stone.dao;

import java.util.List;

import com.stone.bean.Person;

public interface PersonMapper {
    void save(Person person);

    void update(Person person);

    void delete(int id);

    Person findById(int id);

    List<Person> findAll();
}
<?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">
<!-- namespace：必须与对应的接口全类名一致 -->
<mapper namespace="com.stone.dao.PersonMapper">
    <!-- id：必须与对应接口的某个对应的方法一致 -->
    <insert id="save" parameterType="Person">
        insert into
        person(name,birthday)
        values(#{name},#{birthday})
    </insert>
    <update id="update" parameterType="Person">
        update person set
        name=#{name},birthday=#{birthday}
        where id=#{id}
    </update>
    <delete id="delete" parameterType="int">
        delete from person where
        id=#{id}
    </delete>
    <select id="findById" parameterType="int" resultType="Person">
        select
        id,name,birthday from person where id=#{id}
    </select>
    <select id="findAll" resultType="Person">
        select id,name,birthday from
        person
    </select>
</mapper>

test

package com.stone.dao.test;

import java.util.Date;

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.stone.bean.Person;
import com.stone.dao.PersonMapper;

// 使用Spring的测试框架
@RunWith(SpringJUnit4ClassRunner.class)
// 加载spring的配置文件beans.xml
@ContextConfiguration("/beans.xml")
public class SMTest {

    @Autowired
    private PersonMapper personMapper;

    @Test
    public void testAdd() {
        Person person = new Person(-1, "smName", new Date());
        personMapper.save(person);
    }
}

 classpath

<?xml version="1.0" encoding="UTF-8"?>
<classpath>
    <classpathentry kind="src" path="src"/>
    <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
    <classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
    <classpathentry kind="lib" path="lib/aopalliance-1.0.jar"/>
    <classpathentry kind="lib" path="lib/cglib-nodep-3.1.jar"/>
    <classpathentry kind="lib" path="lib/commons-logging-1.1.1.jar"/>
    <classpathentry kind="lib" path="lib/log4j-1.2.17.jar"/>
    <classpathentry kind="lib" path="lib/mybatis-3.2.8.jar"/>
    <classpathentry kind="lib" path="lib/mybatis-spring-1.2.2.jar" sourcepath="D:/stono/javasoft/mybatis/spring-mybatis-spring-1.2.2.zip"/>
    <classpathentry kind="lib" path="lib/mysql-connector-java-5.1.7-bin.jar"/>
    <classpathentry kind="lib" path="lib/spring-aop-4.1.4.RELEASE.jar"/>
    <classpathentry kind="lib" path="lib/spring-beans-4.1.4.RELEASE.jar"/>
    <classpathentry kind="lib" path="lib/spring-context-4.1.4.RELEASE.jar"/>
    <classpathentry kind="lib" path="lib/spring-core-4.1.4.RELEASE.jar"/>
    <classpathentry kind="lib" path="lib/spring-expression-4.1.4.RELEASE.jar"/>
    <classpathentry kind="lib" path="lib/spring-jdbc-4.1.4.RELEASE.jar" sourcepath="D:/stono/javasoft/spring/spring-framework-4.1.4.RELEASE/libs/spring-jdbc-4.1.4.RELEASE-sources.jar"/>
    <classpathentry kind="lib" path="lib/spring-test-4.1.4.RELEASE.jar"/>
    <classpathentry kind="lib" path="lib/spring-tx-4.1.4.RELEASE.jar"/>
    <classpathentry kind="output" path="bin"/>
</classpath>
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原文地址：https://www.cnblogs.com/stono/p/4474446.html