MyBatis配置文件

<?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>

mybatis-config.xml 配置(别名)

<?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>
    <!-- 别名 --> 
    <typeAliases>

        <package name="com.hazy.model"/>

    </typeAliases>
</configuration>

mapper 配置文件(例如 UserDaoMapper)

<?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.hazy.dao.UserDao">
    <resultMap type="User" id="user">
        <result property="id" column="id"/>
        <result property="username" column="username"/>
        <result property="password" column="password"/>
    </resultMap>
    <!-- id对应方法名 parameterType参数类型 resultMap结果集 -->
    <!-- 查 -->
    <select id="findUserAll"  resultMap="user">
        SELECT * FROM user
    </select>
    <!-- 查 -->
    <select id="getUserById" parameterType="java.lang.Integer" resultMap="user">
        SELECT * FROM user WHERE id=#{value}
    </select>
    <!-- 增 -->
    <insert id="addUser" parameterType="user">
        INSERT INTO user(username,password) VALUES(#{username},#{password})
    </insert>
    <!-- 删 -->
    <delete id="delUser" parameterType="java.lang.Integer">
        DELETE FROM user WHERE id=#{value}
    </delete>
    <!-- 改 -->
    <update id="updateUser" parameterType="user">
        UPDATE user SET username=#{username} WHERE id=#{id}
    </update>
</mapper>

Spring头文件

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
                           http://www.springframework.org/schema/beans/spring-beans.xsd">


</beans>