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。
