【转】C# 获取网页验证码

C#获取网页的验证码，并且显示在 picbox控件上

HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://127.0.0.1/pic/Default.aspx");
request.Timeout = 20000;
request.ServicePoint.ConnectionLimit = 100;
request.ReadWriteTimeout = 30000;
request.Method = "GET";
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
if (response.StatusCode != HttpStatusCode.OK)
return;
Stream resStream = response.GetResponseStream();
this.pictureBox1.Image = new Bitmap(resStream);

  

读取页面返回的字符串，并显示在Lable上

HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://10.225.105.18/pic/Default2.aspx");
request.Timeout = 20000;
request.ServicePoint.ConnectionLimit = 100;
request.ReadWriteTimeout = 30000;
request.Method = "GET";
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
if (response.StatusCode != HttpStatusCode.OK)
return;
StreamReader reader = new StreamReader(response.GetResponseStream());
this.label1.Text = reader.ReadLine();

 

注：http://127.0.0.1/pic/default.aspx 为你要访问的生成图片注册码的页面