开始上课：用户的学员信息主页查询接口(实体类，表的工具类)

lisy

2023-06-14 6a4b079181d22a54a11dfdafd5400b171a1f3fc4

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package com.dsh.course.service;
 
import com.baomidou.mybatisplus.extension.service.IService;
import com.dsh.course.entity.City;
 
public interface ICityService extends IService<City> {
}