Merge remote-tracking branch 'origin/master'

fengxiang

2018-07-24 7a52cd14e12e5b1053a26ed5a4799da7a09d4b16

 src/main/resources/mapper/DemoMapper.xml

@@ -2,6 +2,21 @@
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.moral.mapper.DemoMapper">
   <select id="getDatas" resultType="map">
      SELECT * FROM hangzhou_aqi ORDER BY time DESC LIMIT 7
      SELECT *
      FROM hangzhou_aqi
      <where>
         <if test="timeList != null and timeList.size &gt; 0">
            time IN
            <foreach collection="timeList" open="(" separator="," close=")"
               item="listItem">
               #{listItem}
            </foreach>
         </if>
      </where>
      ORDER BY time
      <if test="size != null">
         DESC 
         LIMIT #{size}
      </if>
   </select>
</mapper>