GraduationDesign/errand/springboot/target/classes/mapper/CertificationMapper.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.example.mapper.CertificationMapper">

    <sql id="Base_Column_List">
        id,user_id,name,avatar,phone,card_no,card1,card2,address,status,reason
    </sql>

    <select id="selectAll" resultType="com.example.entity.Certification">
        select
        <include refid="Base_Column_List" />
        from certification
        <where>
            <if test="id != null"> and id = #{id}</if>
            <if test="userId != null"> and user_id = #{userId}</if>
            <if test="name != null"> and name like concat('%', #{name}, '%')</if>
            <if test="avatar != null"> and avatar like concat('%', #{avatar}, '%')</if>
            <if test="phone != null"> and phone like concat('%', #{phone}, '%')</if>
            <if test="cardNo != null"> and card_no like concat('%', #{cardNo}, '%')</if>
            <if test="card1 != null"> and card1 like concat('%', #{card1}, '%')</if>
            <if test="card2 != null"> and card2 like concat('%', #{card2}, '%')</if>
            <if test="address != null"> and address like concat('%', #{address}, '%')</if>
            <if test="status != null"> and status like concat('%', #{status}, '%')</if>
            <if test="reason != null"> and reason like concat('%', #{reason}, '%')</if>
        </where>
        order by id desc
    </select>

    <select id="selectById" resultType="com.example.entity.Certification">
        select
        <include refid="Base_Column_List" />
        from certification
        where id = #{id}
    </select>

    <delete id="deleteById">
        delete from certification
        where  id = #{id}
    </delete>

    <insert id="insert" parameterType="com.example.entity.Certification" useGeneratedKeys="true">
        insert into certification
        <trim prefix="(" suffix=")" suffixOverrides=",">
            <if test="id != null">id,</if>
            <if test="userId != null">user_id,</if>
            <if test="name != null">name,</if>
            <if test="avatar != null">avatar,</if>
            <if test="phone != null">phone,</if>
            <if test="cardNo != null">card_no,</if>
            <if test="card1 != null">card1,</if>
            <if test="card2 != null">card2,</if>
            <if test="address != null">address,</if>
            <if test="status != null">status,</if>
            <if test="reason != null">reason,</if>
        </trim>
        <trim prefix="values (" suffix=")" suffixOverrides=",">
            <if test="id != null">#{id},</if>
            <if test="userId != null">#{userId},</if>
            <if test="name != null">#{name},</if>
            <if test="avatar != null">#{avatar},</if>
            <if test="phone != null">#{phone},</if>
            <if test="cardNo != null">#{cardNo},</if>
            <if test="card1 != null">#{card1},</if>
            <if test="card2 != null">#{card2},</if>
            <if test="address != null">#{address},</if>
            <if test="status != null">#{status},</if>
            <if test="reason != null">#{reason},</if>
        </trim>
    </insert>

    <update id="updateById" parameterType="com.example.entity.Certification">
        update certification
        <set>
            <if test="userId != null">
                user_id = #{userId},
            </if>
            <if test="name != null">
                name = #{name},
            </if>
            <if test="avatar != null">
                avatar = #{avatar},
            </if>
            <if test="phone != null">
                phone = #{phone},
            </if>
            <if test="cardNo != null">
                card_no = #{cardNo},
            </if>
            <if test="card1 != null">
                card1 = #{card1},
            </if>
            <if test="card2 != null">
                card2 = #{card2},
            </if>
            <if test="address != null">
                address = #{address},
            </if>
            <if test="status != null">
                status = #{status},
            </if>
            <if test="reason != null">
                reason = #{reason},
            </if>
        </set>
        where id = #{id}
    </update>

</mapper>