simple/src/main/resources/mapper/DeviceMapper.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.prac.simple.mapper.DeviceMapper">
  <resultMap id="BaseResultMap" type="com.prac.simple.entity.Device">
    <id column="mac" jdbcType="VARCHAR" property="mac" />
    <result column="name" jdbcType="VARCHAR" property="name" />
    <result column="open" jdbcType="CHAR" property="open" />
    <result column="type" jdbcType="CHAR" property="type" />
    <result column="description" jdbcType="VARCHAR" property="description" />
    <result column="createtime" jdbcType="TIMESTAMP" property="createtime" />
    <result column="modifytime" jdbcType="TIMESTAMP" property="modifytime" />
  </resultMap>
  <sql id="Base_Column_List">
    mac, name, open, type, description, createtime, modifytime
  </sql>
  <select id="selectByPrimaryKey" parameterType="java.lang.String" resultMap="BaseResultMap">
    select 
    <include refid="Base_Column_List" />
    from device
    where mac = #{mac,jdbcType=VARCHAR}
  </select>
  <delete id="deleteByPrimaryKey" parameterType="java.lang.String">
    delete from device
    where mac = #{mac,jdbcType=VARCHAR}
  </delete>
  <insert id="insert" parameterType="com.prac.simple.entity.Device">
    insert into device (mac, name, open, 
      type, description, createtime, 
      modifytime)
    values (#{mac,jdbcType=VARCHAR}, #{name,jdbcType=VARCHAR}, #{open,jdbcType=CHAR}, 
      #{type,jdbcType=CHAR}, #{description,jdbcType=VARCHAR}, #{createtime,jdbcType=TIMESTAMP}, 
      #{modifytime,jdbcType=TIMESTAMP})
  </insert>
  <insert id="insertSelective" parameterType="com.prac.simple.entity.Device">
    insert into device
    <trim prefix="(" suffix=")" suffixOverrides=",">
      <if test="mac != null">
        mac,
      </if>
      <if test="name != null">
        name,
      </if>
      <if test="open != null">
        open,
      </if>
      <if test="type != null">
        type,
      </if>
      <if test="description != null">
        description,
      </if>
      <if test="createtime != null">
        createtime,
      </if>
      <if test="modifytime != null">
        modifytime,
      </if>
    </trim>
    <trim prefix="values (" suffix=")" suffixOverrides=",">
      <if test="mac != null">
        #{mac,jdbcType=VARCHAR},
      </if>
      <if test="name != null">
        #{name,jdbcType=VARCHAR},
      </if>
      <if test="open != null">
        #{open,jdbcType=CHAR},
      </if>
      <if test="type != null">
        #{type,jdbcType=CHAR},
      </if>
      <if test="description != null">
        #{description,jdbcType=VARCHAR},
      </if>
      <if test="createtime != null">
        #{createtime,jdbcType=TIMESTAMP},
      </if>
      <if test="modifytime != null">
        #{modifytime,jdbcType=TIMESTAMP},
      </if>
    </trim>
  </insert>
  <update id="updateByPrimaryKeySelective" parameterType="com.prac.simple.entity.Device">
    update device
    <set>
      <if test="name != null">
        name = #{name,jdbcType=VARCHAR},
      </if>
      <if test="open != null">
        open = #{open,jdbcType=CHAR},
      </if>
      <if test="type != null">
        type = #{type,jdbcType=CHAR},
      </if>
      <if test="description != null">
        description = #{description,jdbcType=VARCHAR},
      </if>
      <if test="createtime != null">
        createtime = #{createtime,jdbcType=TIMESTAMP},
      </if>
      <if test="modifytime != null">
        modifytime = #{modifytime,jdbcType=TIMESTAMP},
      </if>
    </set>
    where mac = #{mac,jdbcType=VARCHAR}
  </update>
  <update id="updateByPrimaryKey" parameterType="com.prac.simple.entity.Device">
    update device
    set name = #{name,jdbcType=VARCHAR},
      open = #{open,jdbcType=CHAR},
      type = #{type,jdbcType=CHAR},
      description = #{description,jdbcType=VARCHAR},
      createtime = #{createtime,jdbcType=TIMESTAMP},
      modifytime = #{modifytime,jdbcType=TIMESTAMP}
    where mac = #{mac,jdbcType=VARCHAR}
  </update>
  <select id="selectDevice"  parameterType="DeviceReq"  resultMap="BaseResultMap">
  	select <include refid="Base_Column_List" />
  	from device
  	<where>
  		<if test="mac != null and mac != ''">
  			mac like CONCAT('%',#{mac,jdbcType=VARCHAR},'%')
  		</if>
  		<if test="name != null and name != ''">
  			and name like CONCAT('%',#{name,jdbcType=VARCHAR},'%')
  		</if>
  	</where>
  	<if test="sort != null and sort != ''">
			order by ${sort}
			<if test="order != null and order != ''">
				${order}
			</if>
	</if>
  </select>
</mapper>