mec/mec-web/src/main/resources/config/mybatis/MusicGroupStudentFeeMapper.xml

<?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">
<!--
这个文件是自动生成的。
不要修改此文件。所有改动将在下次重新自动生成时丢失。
-->
<mapper namespace="com.ym.mec.web.dal.dao.MusicGroupStudentFeeDao">

    <resultMap type="com.ym.mec.web.dal.entity.MusicGroupStudentFee" id="MusicGroupStudentFee">
        <result column="id_" property="id"/>
        <result column="music_group_id_" property="musicGroupId"/>
        <result column="user_id_" property="userId"/>
        <result column="course_fee_" property="courseFee"/>
        <result column="create_time_" property="createTime"/>
        <result column="update_time_" property="updateTime"/>
    </resultMap>

    <!-- 根据主键查询一条记录 -->
    <select id="get" resultMap="MusicGroupStudentFee">
		SELECT * FROM music_group_student_fee_ WHERE id_ = #{id} 
	</select>

    <!-- 全查询 -->
    <select id="findAll" resultMap="MusicGroupStudentFee">
		SELECT * FROM music_group_student_fee_ ORDER BY id_
	</select>

    <!-- 向数据库增加一条记录 -->
    <insert id="insert" parameterType="com.ym.mec.web.dal.entity.MusicGroupStudentFee" useGeneratedKeys="true"
            keyColumn="id" keyProperty="id">
		INSERT INTO music_group_student_fee_ (id_,music_group_id_,user_id_,course_fee_,create_time_,update_time_)
		VALUES(#{id},#{musicGroupId},#{userId},#{courseFee},now(),now())
	</insert>

    <!-- 根据主键查询一条记录 -->
    <update id="update" parameterType="com.ym.mec.web.dal.entity.MusicGroupStudentFee">
        UPDATE music_group_student_fee_
        <set>
            <if test="userId != null">
                user_id_ = #{userId},
            </if>
            <if test="updateTime != null">
                update_time_ = #{updateTime},
            </if>
            <if test="courseFee != null">
                course_fee_ = #{courseFee},
            </if>
            <if test="musicGroupId != null">
                music_group_id_ = #{musicGroupId},
            </if>
        </set>
        WHERE id_ = #{id}
    </update>

    <!-- 根据主键删除一条记录 -->
    <delete id="delete">
		DELETE FROM music_group_student_fee_ WHERE id_ = #{id} 
	</delete>

    <!-- 分页查询 -->
    <select id="queryPage" resultMap="MusicGroupStudentFee" parameterType="map">
        SELECT * FROM music_group_student_fee_ ORDER BY id_
        <include refid="global.limit"/>
    </select>

    <!-- 查询当前表的总记录数 -->
    <select id="queryCount" resultType="int">
		SELECT COUNT(*) FROM music_group_student_fee_
	</select>
</mapper>