spring-dao.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"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans.xsd">
    <!--配置数据源：数据源有非常多，可以使用第三方的，也可使使用Spring的-->
    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql://localhost:3306/mybatis?useLSS=true&amp;useUnicode=true&amp;characterEncoding=UTF-8&amp;serverTimezone=GMT%2B8"/>
        <property name="username" value="root"/>
        <property name="password" value="123456"/>
    </bean>

    <!--配置SqlSessionFactory-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <!--关联Mybatis-->
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
        <property name="mapperLocations" value="classpath*:com/jing/dao/*.xml"/>
    </bean>

    <!--注册sqlSessionTemplate , 关联sqlSessionFactory-->
    <bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate">
        <!--利用构造器注入-->
        <constructor-arg index="0" ref="sqlSessionFactory"/>
    </bean>

    <bean id="userDao" class="com.jing.dao.UserDaoImpl">
        <property name="sqlSession" ref="sqlSession"/>
    </bean>
</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>
    <typeAliases>
        <package name="com.jing.pojo"/>
    </typeAliases>
</configuration>

UserDaoImpl.java

package com.jing.dao;

import com.jing.pojo.User;
import org.mybatis.spring.SqlSessionTemplate;

import java.util.List;

public class UserDaoImpl implements UserMapper {
    SqlSessionTemplate sqlSession;

    public void setSqlSession(SqlSessionTemplate sqlSession) {
        this.sqlSession = sqlSession;
    }

    public List<User> getUsers() {
        UserMapper mapper = sqlSession.getMapper(UserMapper.class);
        return mapper.getUsers();
    }
}

测试

  ApplicationContext context = new ClassPathXmlApplicationContext("spring-dao.xml");
        UserDaoImpl userDao = (UserDaoImpl) context.getBean("userDao");
        List<User> users = userDao.getUsers();
        for (User user : users) {
            System.out.println(user);
        }