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#pragma once
#include"User.h"
#include"MYSQLConnectionPool.h"
class MYSQLConnectionPool;
class DBConnection;
using spDBPool=std::shared_ptr<MYSQLConnectionPool>;
class UserDAO
{
private:
spDBPool mysqlPool_; //共享的mysql连接池
public:
UserDAO(spDBPool _mysqlPool); //构造函数
~UserDAO(); //析构函数
int CreateUser(User& _user); //创建用户，返回userId(0表失败)
int LogIn(const std::string& _email,const std::string& _passwd); //登录，返回userId(0表失败)
bool exist(int userId); //根据userId判断用户是否存在
};
