用户登录注册#include stdafx.h#include iostream#include string#include stdlib.h#include string#include conio.h#include fstream#include windows.husing namespace std;struct userstring name;string password;void nterface(user custum);int main()void login();void regist();int options;cout options;while (options!=1&options!=2)cout options; cout name;cout 0)cout custumer.name custumer.password)if (custumer.name = name&custumer.password = password)cout custumer.name custumer.password)elsecout name;while (fin custumer.name custumer.password)if (custumer.name = name) i+;if (i 0)cout 0)cout 0)cout test test;password2i- = 0;elseif (i 20)cout *;password2i = test;i+;password2i = 0;if (strcmp(password,password2)!=0)cout endl 两次输入密码不一致，请重新注册。 。 。 endl;Sleep(3000);system(CLS);regist();elsecoutendl 注册成功！撸一发庆祝一下;ofstream fout;fout.open(user.txt,ios_base:out|ios_base:app);fout name password endl;fout.close();coutendl 3 秒后跳到登录界面.;Sleep(3000);void nterface(user custum)system(CLS);cout 您好！custum.name endlendl;