C#控制台输入密码星号显示

1 public class Program
2 {
3 static void Main(string[] args)
4 {
5 Console.WriteLine("是否要结束程序，取消请输入'No', 确认请输入密码：");
6
7 string passwordInput = null;
8 bool readPassword = true;
9
10 while (readPassword)
11 {
12 while (true)
13 {
14 #region 控制台输入密码星号显示
15
16 ConsoleKeyInfo ck = Console.ReadKey(true);
17
18 //判断用户是否按下的Enter键
19 if (ck.Key != ConsoleKey.Enter)
20 {
21 if (ck.Key != ConsoleKey.Backspace)
22 {
23 //将用户输入的字符存入字符串中
24 passwordInput += ck.KeyChar.ToString();
25 //将用户输入的字符替换为*
26 Console.Write("*");
27 }
28 else
29 {
30 //删除错误的字符
31 Console.Write("\b \b");
32 }
33 }
34 else
35 {
36 Console.WriteLine();
37 break;
38 }
39
40 #endregion
41 }
42
43 if (passwordInput == "123456")
44 {
45 readPassword = false;
46 Console.WriteLine("密码正确");
47 }
48 else
49 {
50 Console.WriteLine("密码有误，请重新输入");
51 passwordInput = null;
52 readPassword = true;
53 }
54 }
55 }
56 }