pco/sp-server/src/main/java/com/pj/project/tb_goods/TbGoodsMapper.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">
<mapper namespace="com.pj.project.tb_goods.TbGoodsMapper">

	<!-- 增 [G] -->
	<insert id="add">
		insert into 
		tb_goods (id, code, name, status, create_time) 
		values (#{id}, #{code}, #{name}, #{status}, now())
	</insert>

	<!-- 删 -->
	<delete id="delete">
		delete from tb_goods 
		where id = #{id}
	</delete>

	<!-- 改 [G] -->
	<update id="update">
		update tb_goods set
		id = #{id}, 
		code = #{code}, 
		name = #{name}, 
		status = #{status}, 
		create_time = #{createTime}
		where id = #{id}
	</update>


	<!-- ================================== 查询相关 ================================== -->

	
	<!-- 通用映射：手动模式 -->
	<resultMap id="model" type="com.pj.project.tb_goods.TbGoods">
		<result property="id" column="id" />
		<result property="code" column="code" />
		<result property="name" column="name" />
		<result property="status" column="status" />
		<result property="createTime" column="create_time" />
	</resultMap>
	
	<!-- 公共查询sql片段 -->
	<sql id="select_sql">
		select *
		from tb_goods 
	</sql>
	
	<!-- 查 - 根据id -->
	<select id="getById" resultMap="model">
		<include refid="select_sql"></include>
		where id = #{id}
	</select>
	
	<!-- 查集合 - 根据条件（参数为空时代表忽略指定条件） [G] -->
	<select id="getList" resultMap="model">
		<include refid="select_sql"></include>
		<where>
			<if test=' this.has("id") '> and id = #{id} </if>
			<if test=' this.has("code") '> and code like concat('%', #{code},'%') </if>
			<if test=' this.has("name") '> and name  like concat('%', #{name},'%')</if>
			<if test=' this.has("status") '> and status = #{status} </if>
		</where>
		order by
		<choose>
			<when test='sortType == 1'> id desc </when>
			<when test='sortType == 2'> code desc </when>
			<when test='sortType == 3'> name desc </when>
			<when test='sortType == 4'> status desc </when>
			<when test='sortType == 5'> create_time desc </when>
			<otherwise> id asc </otherwise>
		</choose>
	</select>
	
	
	
	
	
	
	
	
	

</mapper>