src/main/java/com/mty/cc/mapper/NoticeMapper.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.mty.cc.mapper.NoticeMapper">
    <resultMap id="BaseResultMap" type="com.mty.cc.po.Notice">
        <id column="id" jdbcType="VARCHAR" property="id" />
        <result column="title" jdbcType="VARCHAR" property="title" />
        <result column="content" jdbcType="VARCHAR" property="content" />
        <result column="push" jdbcType="VARCHAR" property="push" />
        <result column="time" jdbcType="VARCHAR" property="time" />
    </resultMap>

    <sql id="Base_Column_List">
    id,
    title,
    content,
    push,
    time
    </sql>

    <select id="queryById" parameterType="java.lang.String" resultMap="BaseResultMap">
        select
        <include refid="Base_Column_List" />
        from notice
        where id = #{id,jdbcType=VARCHAR}
    </select>

    <select id="queryByAll" resultMap="BaseResultMap">
        select
        <include refid="Base_Column_List" />
        from notice
    </select>

    <delete id="deleteById" parameterType="java.lang.String">
    delete from notice
    where id = #{id,jdbcType=VARCHAR}
    </delete>

    <insert id="insert" parameterType="com.mty.cc.po.Notice">
        insert into notice (
        <if test="id != null">
        id,
        </if>
        <if test="title != null">
        title,
        </if>
        <if test="content != null">
        content,
        </if>
        <if test="push != null">
        push,
        </if>
        time
        )values(
        <if test="id != null">
        #{id},
        </if>
        <if test="title != null">
        #{title},
        </if>
        <if test="content != null">