依据阿里代码规范，if后必须有大括号。添加导包语句

648540858

2021-09-26 3ae18a558375532efcb7fcd374f58a1ad2d9105c

 src/main/java/com/genersoft/iot/vmp/storager/dao/PlatformChannelMapper.java

@@ -38,6 +38,11 @@
    int delChannelForGB(String platformId, List<ChannelReduce> channelReducesToDel);

    @Delete("<script> "+
            "DELETE FROM platform_gb_channel WHERE deviceId='${deviceId}' " +
            "</script>")
    int delChannelForDeviceId(String deviceId);

    @Delete("<script> "+
            "DELETE FROM platform_gb_channel WHERE platformId='${platformId}'"  +
            "</script>")
    int cleanChannelForGB(String platformId);