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98 lines
3.7 KiB
98 lines
3.7 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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<!-- 用户表数据映射文件 -->
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<mapper namespace="com.example.mapper.UserMapper">
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<!-- 定义用户表基础字段列表 -->
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<sql id="Base_Column_List">
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id,username,password,name,phone,email,avatar,role
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</sql>
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<!-- 查询所有用户（支持条件查询） -->
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<select id="selectAll" resultType="com.example.entity.User">
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select
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<include refid="Base_Column_List" />
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from user
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<where>
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<if test="id != null"> and id= #{id}</if>
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<if test="username != null"> and username like concat('%', #{username}, '%')</if> <!-- 用户名模糊搜索 -->
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<if test="password != null"> and password= #{password}</if>
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<if test="name != null"> and name= #{name}</if>
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<if test="phone != null"> and phone= #{phone}</if>
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<if test="email != null"> and email= #{email}</if>
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<if test="avatar != null"> and avatar= #{avatar}</if>
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<if test="role != null"> and role= #{role}</if>
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</where>
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</select>
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<!-- 根据ID查询单个用户 -->
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<select id="selectById" resultType="com.example.entity.User">
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select
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<include refid="Base_Column_List" />
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from user
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where id = #{id}
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</select>
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<!-- 根据ID删除用户 -->
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<delete id="deleteById">
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delete from user
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where id = #{id}
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</delete>
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<!-- 新增用户 -->
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<insert id="insert" parameterType="com.example.entity.User" useGeneratedKeys="true">
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insert into user
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<trim prefix="(" suffix=")" suffixOverrides=",">
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<if test="id != null">id,</if>
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<if test="username != null">username,</if>
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<if test="password != null">password,</if>
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<if test="name != null">name,</if>
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<if test="phone != null">phone,</if>
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<if test="email != null">email,</if>
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<if test="avatar != null">avatar,</if>
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<if test="role != null">role,</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="username != null">#{username},</if>
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<if test="password != null">#{password},</if>
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<if test="name != null">#{name},</if>
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<if test="phone != null">#{phone},</if>
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<if test="email != null">#{email},</if>
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<if test="avatar != null">#{avatar},</if>
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<if test="role != null">#{role},</if>
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</trim>
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</insert>
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<!-- 根据ID修改用户信息 -->
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<update id="updateById" parameterType="com.example.entity.User">
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update user
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<set>
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<if test="username != null">
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username = #{username}, <!-- 用户名 -->
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</if>
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<if test="password != null">
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password = #{password}, <!-- 密码 -->
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</if>
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<if test="name != null">
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name = #{name}, <!-- 用户昵称 -->
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</if>
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<if test="phone != null">
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phone = #{phone}, <!-- 手机号码 -->
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</if>
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<if test="email != null">
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email = #{email}, <!-- 邮箱地址 -->
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</if>
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<if test="avatar != null">
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avatar = #{avatar}, <!-- 用户头像 -->
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</if>
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<if test="role != null">
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role = #{role}, <!-- 用户角色 -->
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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> |