C++控制台实现简单的注册登录
#include<iostream>
#include<string>
#include <vector>
#include <conio.h>
void Display();//调用display显示switch()界面
void Register();//注册
void Enter();//登录
using namespace std;
class user{
private:
string ID;
string Name;
string Email;
string Password;
public:
user(){};
void Register();
void Enter();
} ;
vector<user> people;
void user:: Register()//注册
{
string pw1;
string pw2;
user person;
cout<<"请设置您的ID:";
flag:
cin>>person.ID;
for(int i=0;i<people.size();i++){
if(people.at(i).ID==person.ID){
cout<<"该ID已存在,请重新设置:";
goto flag;
}
}
cout<<"请设置您的用户名:";
cin>>person.Name;
cout<<"请绑定您的邮箱:";
cin>>person.Email;
cout<<"请设置您的密码:";
flag0:
cin>>pw1;
cout<<"请再次确认您的密码:";
cin>>pw2;
if(pw1!=pw2)
{
cout<<"前后两次输入密码不一致,请重新设置密码:";
goto flag0;
}
cout<<"注册成功!"<<endl;
person.Password=pw1;
people.push_back(person);
Display();
}
void user::Enter()//登录
{
cout<<"请输入您的ID:";
flag1:
string id;
string pwd;
cin>>id;
for(int i=0;i<people.size();i++){//验证ID是否存在
int tk=1;tk++;
if(people.at(i).ID==id){
tk=2;
cout<<"请输入您的密码:";
flag2:
cin>>pwd;
if(people.at(i).Password!=pwd){
cout<<"密码错误,请重新输入:";
goto flag2;
}
cout<<"登录成功!"<<endl;
cout<<" (1)Information查看信息\n (2)Exit退出\n\nChoice:";
int choice;//选择界面
cin>>choice; switch(choice)
{
case 1://查看信息
cout<<"您的ID为:"<<people.at(i).ID<<endl;
cout<<"您的密码为:"<<people.at(i).Password<<endl;
cout<<"您的用户名为:"<<people.at(i).Name<<endl;
cout<<"您的邮箱为:"<<people.at(i).Email<<endl;
Display();
case 2://退出
exit(EXIT_FAILURE);
}
}
}
cout<<"该ID不存在,请重新输入:";
goto flag1;
}
void Display()//界面
{
cout<<" (1)Register注册\n (2)Enter登录\n (3)Exit退出\n\nChoice:";
int choice;//选择界面
user u;
cin>>choice; switch(choice)
{
case 1://注册
u.Register();//调用函数
break;
case 2://登录
u.Enter();//调用函数
break;
case 3://退出
exit(EXIT_FAILURE);
}
}
int main()
{
Display();//显示界面 1注册;2登录;3退出
cin.get();
return 0;
}
程序运行如下图所示:
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