如何在 C++ 控制台应用程序中获取密码输入 [英] how to get a password input in c++ console application

问题描述

获取屏蔽密码输入的技术如下:

what is the technique to get a masked password input as follows:

推荐答案

#include <iostream>
#include<windows.h> // for system("pause")
#include<conio.h>  //for getch()

using namespace std;

int main()
{
    char x[10];

    cout<<"enter a password
";

    for(int i=0; i<10;i++){
        x[i]=getch();
        cout<<"*";

        if(x[i]=='
') //check if enter key is pressed
            break;

        else if(x[i]==''){

            if(i==0)
                cout<<""<<" "<<"";
            else if(i>=1){
                x[i-1]='';//make the previous byte null if backspase is pressed
                i=i-2;
                cout<<""<<" "<<""<<" "<<"";
            }

         }
    }

    cout<<endl<<"the password is  :"<<x<<endl;
    system("pause");
 }

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