代码如下: string ss = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; Random a = new Random(); int b; string yan = ""; for (int i = 0; i 4; i++) { b = a.Next(62); yan += ss.Substring(b, 1); } Console.WriteLine("验证码
代码如下:
string ss = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; Random a = new Random(); int b; string yan = ""; for (int i = 0; i < 4; i++) { b = a.Next(62); yan += ss.Substring(b, 1); } Console.WriteLine("验证码是:" + yan); Console.Write("请输入验证码:"); string c = Console.ReadLine(); if (c.ToUpper() == yan.ToUpper()) { Console.WriteLine("验证码正确!"); } else { Console.WriteLine("验证码错误!"); } Console.ReadLine();
以上这篇C#验证码问题的快速解决方法就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持易盾网络。