ProjectsMapper.xml
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<?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.project.demo.mapper.ProjectsMapper">
<resultMap id="projectsMap" type="com.project.demo.domain.Projects">
<result column="id" property="id" />
<result column="name" property="projectName" />
<result column="users_id" property="usersId" />
<result column="state" property="state" />
<result column="remark" property="remark" />
<result column="start_time" property="startTime" />
</resultMap>
<select id="search" resultMap="projectsMap" resultType="Map">
SELECT
*
FROM projects
where 1=1
<if test="params.projectsIds != null">
AND id in
<foreach collection="params.projectsIds" item="item" index="index"
open="(" separator="," close=")">
#{item}
</foreach>
</if>
ORDER BY id desc
</select>
<select id="findById" resultMap="projectsMap">
SELECT
*
FROM projects
where id = #{id}
</select>
<select id="findByUsersId" resultMap="projectsMap" resultType="Map">
SELECT
*
FROM projects
where users_id = #{usersId}
</select>
<update id="updateProjects" parameterType="com.project.demo.domain.Projects">
UPDATE projects
<set>
<if test="params.projectName != null">
name = #{params.projectName},
</if>
<if test="params.projectRemark != null">
remark = #{params.projectRemark},
</if>
</set>
WHERE
id = #{id}
</update>
</mapper>