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74 lines
2.4 KiB
74 lines
2.4 KiB
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper
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PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
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"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.example.mapper.NoticeMapper">
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<sql id="Base_Column_List">
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id,title,content,time,user
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</sql>
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<select id="selectAll" resultType="com.example.entity.Notice">
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select
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<include refid="Base_Column_List" />
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from notice
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<where>
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<if test="id != null"> and id= #{id}</if>
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<if test="title != null"> and title like concat('%', #{title}, '%')</if>
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<if test="content != null"> and content= #{content}</if>
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<if test="time != null"> and time= #{time}</if>
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<if test="user != null"> and user= #{user}</if>
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</where>
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order by id desc
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</select>
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<select id="selectById" resultType="com.example.entity.Notice">
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select
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<include refid="Base_Column_List" />
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from notice
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where id = #{id}
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</select>
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<delete id="deleteById">
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delete from notice
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where id = #{id}
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</delete>
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<insert id="insert" parameterType="com.example.entity.Notice" useGeneratedKeys="true">
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insert into notice
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<trim prefix="(" suffix=")" suffixOverrides=",">
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<if test="id != null">id,</if>
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<if test="title != null">title,</if>
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<if test="content != null">content,</if>
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<if test="time != null">time,</if>
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<if test="user != null">user,</if>
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</trim>
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<trim prefix="values (" suffix=")" suffixOverrides=",">
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<if test="id != null">#{id},</if>
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<if test="title != null">#{title},</if>
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<if test="content != null">#{content},</if>
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<if test="time != null">#{time},</if>
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<if test="user != null">#{user},</if>
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</trim>
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</insert>
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<update id="updateById" parameterType="com.example.entity.Notice">
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update notice
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<set>
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<if test="title != null">
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title = #{title},
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</if>
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<if test="content != null">
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content = #{content},
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</if>
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<if test="time != null">
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time = #{time},
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</if>
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<if test="user != null">
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user = #{user},
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</if>
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</set>
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where id = #{id}
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</update>
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</mapper> |