根据算法预测明天O3,插入数据库

jinpengyong

2020-08-13 c75b4210328b98913de7eeef507e6d88069bcecc

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package com.moral.mapper;
 
import com.moral.entity.City;
 
public interface CityMapper {
 
    City getCityByCityCode(int cityCode);
}