设备掉线，小时和昨日邮件发送

jinpengyong

2021-11-23 4108fd24ac888934a23e9b9129c4392baa2ffb94

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package com.moral.mapper;
 
import com.moral.entity.Area;
 
public interface AreaMapper {
 
    Area getAreaByAreaCode(int areaCode);
}