yuncai-scm/src/main/resources/mybatis/system/PostMapper.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.ruoyi.project.system.post.dao.IPostDao">

	<resultMap type="Post" id="PostResult">
		<id     property="postId"        column="post_id"       />
		<result property="postCode"      column="post_code"     />
		<result property="postName"      column="post_name"     />
		<result property="postSort"      column="post_sort"     />
		<result property="status"        column="status"        />
		<result property="createBy"      column="create_by"     />
		<result property="createTime"    column="create_time"   />
		<result property="updateBy"      column="update_by"     />
		<result property="updateTime"    column="update_time"   />
		<result property="remark"        column="remark"        />
	</resultMap>
	
	<select id="selectPostList" parameterType="Post" resultMap="PostResult">
		select post_id, post_code, post_name, post_sort, status, create_by, create_time, remark from sys_post
		<where>
			<if test="searchValue != null and searchValue != ''">
				AND post_code = #{searchValue} OR post_name = #{searchValue}
			</if>
		</where>
	</select>
	
	<select id="selectPostAll" resultMap="PostResult">
		SELECT * FROM sys_post
	</select>
	
	<select id="selectPostsByUserId" parameterType="Long" resultMap="PostResult">
		SELECT p.post_id, p.post_name, p.post_code
		FROM sys_user u
			 LEFT JOIN sys_user_post up ON u.user_id = up.user_id
			 LEFT JOIN sys_post p ON up.post_id = p.post_id
		WHERE up.user_id = #{userId}
	</select>
	
	<select id="selectPostById" parameterType="Long" resultMap="PostResult">
		select post_id, post_code, post_name, post_sort, status, create_by, create_time, remark
		from sys_post u
		where u.post_id = #{postId}
	</select>
	
	<delete id="deletePostById" parameterType="Long">
 		delete from sys_post where post_id = #{postId}
 	</delete>
 	
 	<delete id="batchDeletePost" parameterType="Long">
 		delete from sys_post where post_id in
 		<foreach collection="array" item="postId" open="(" separator="," close=")">
 			#{postId}
        </foreach> 
 	</delete>
 	
 	<update id="updatePost" parameterType="Post">
 		update sys_post
 		<set>
 			<if test="postCode != null and postCode != ''">post_code = #{postCode},</if>
 			<if test="postName != null and postName != ''">post_name = #{postName},</if>
 			<if test="postSort != null and postSort != ''">post_sort = #{postSort},</if>
 			<if test="status !=null">status = #{status},</if>
 			<if test="remark != null and remark != ''">remark = #{remark},</if>
 			<if test="updateBy != null and updateBy != ''">update_by = #{updateBy},</if>
 			update_time = sysdate()
 		</set>
 		where 1=1
 		<if test="postId != null">and post_id = #{postId}</if>
	</update>
 	
 	<insert id="insertPost" parameterType="Post" useGeneratedKeys="true" keyProperty="postId">
 		insert into sys_post(
 			<if test="postId != null and postId != 0">post_id,</if>
 			<if test="postCode != null and postCode != ''">post_code,</if>
 			<if test="postName != null and postName != ''">post_name,</if>
 			<if test="postSort != null and postSort != ''">post_sort,</if>
 			<if test="status !=null">status,</if>
 			<if test="remark != null and remark != ''">remark,</if>
 			<if test="createBy != null and createBy != ''">create_by,</if>
 			create_time
 		)values(
 			<if test="postId != null and postId != 0">#{postId},</if>
 			<if test="postCode != null and postCode != ''">#{postCode},</if>
 			<if test="postName != null and postName != ''">#{postName},</if>
 			<if test="postSort != null and postSort != ''">#{postSort},</if>
 			<if test="status !=null">#{status},</if>
 			<if test="remark != null and remark != ''">#{remark},</if>
 			<if test="createBy != null and createBy != ''">#{createBy},</if>
 			sysdate()
 		)
	</insert>

</mapper>