device-status/src/main/resources/mapping/StatusMapper.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.device.mapper.StatusMapper">

    <resultMap id="BaseResultMap" type="com.example.device.entity.Status">
        <result column="id" jdbcType="BIGINT" property="id"/>
        <result column="device_no" jdbcType="VARCHAR" property="deviceNo"/>
        <result column="device_name" jdbcType="VARCHAR" property="deviceName"/>
        <result column="device_status" jdbcType="INTEGER" property="deviceStatus"/>
        <result column="device_ip" jdbcType="VARCHAR" property="deviceIp"/>
    </resultMap>



    <insert id="Add" parameterType="com.example.device.entity.Status">
        INSERT INTO status
        <trim prefix="(" suffix=")" suffixOverrides=",">
            <if test="status.deviceNo != null">
                device_no,
            </if>
            <if test="status.deviceName != null">
                device_name,
            </if>
            <if test="status.deviceStatus != null">
                device_status,
            </if>
            <if test="status.time != null">
                time,
            </if>
        </trim>
        <trim prefix="VALUES (" suffix=")" suffixOverrides=",">
            <if test="status.deviceNo != null">
                #{status.deviceNo,jdbcType=VARCHAR},
            </if>
            <if test="status.deviceName != null">
                #{status.deviceName,jdbcType=VARCHAR},
            </if>
            <if test="status.deviceStatus != null">
                #{status.deviceStatus,jdbcType=INTEGER},
            </if>
            <if test="status.time != null">
                #{status.time,jdbcType=DATE},
            </if>
        </trim>
    </insert>

    <sql id="selectStatus">
        select id, device_no, device_name, device_status, time from status
    </sql>

    <select id="listStatus" parameterType="com.example.device.entity.Status" resultMap="BaseResultMap">
        select s.id, s.device_no, s.device_name, s.device_status, s.time, d.device_ip
        from status s
        LEFT JOIN device d on s.device_no = d.device_no
        <where>
            <if test="status.time != null">
                AND s.time BETWEEN #{status.startTime,jdbcType=DATE} AND #{status.time,jdbcType=DATE}
            </if>
            <if test="status.deviceNo != null">
                AND s.device_no = #{status.deviceNo}
            </if>
        </where>
    </select>

</mapper>