C#验证码的另一种操作方法
2020-12-13 16:41
标签:blog color ar os sp for div log bs C#验证码的另一种操作方法 标签:blog color ar os sp for div log bs 原文地址:http://www.cnblogs.com/codemouserman/p/4086127.html sb = new StringBuilder();
char c = ‘0‘;
string s = "";
for (int i = 0; i System.Threading.Thread.Sleep(100);
c = (char)a;
sb.Append(c);
}
label4.ForeColor = Color.DarkRed;
label4.Text = sb.ToString();
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