c# 快速驗證代理IP是否有用
public void yanzhen(string str, int port)
{
WebProxy proxyObject = new WebProxy(str, port);//str爲IP地址 port爲端口號
HttpWebRequest Req = (HttpWebRequest)WebRequest.Create("http://www.whatismyip.com.tw/");
Req.Proxy = proxyObject; //設置代理
HttpWebResponse Resp = (HttpWebResponse)Req.GetResponse();
string str = "";
string OkStr = "";
Encoding code = Encoding.GetEncoding("UTF-8");
using (StreamReader sr = new StreamReader(Resp.GetResponseStream(), code))
{
if (sr != null)
{
try
{
str = sr.ReadToEnd();
StringSub.substr(str, "<h2>", "</h2>", 0);
str = str.Substring(str.IndexOf(start) + start.Length);
OkStr = str.Substring(0, str.IndexOf(last));
MessageBox.Show("驗證成功!顯示IP爲" + OkStr);
}
catch
{
MessageBox.Show("文件讀取失敗!");
}
finally
{
sr.Close();
}
}
}
}
{
WebProxy proxyObject = new WebProxy(str, port);//str爲IP地址 port爲端口號
HttpWebRequest Req = (HttpWebRequest)WebRequest.Create("http://www.whatismyip.com.tw/");
Req.Proxy = proxyObject; //設置代理
HttpWebResponse Resp = (HttpWebResponse)Req.GetResponse();
string str = "";
string OkStr = "";
Encoding code = Encoding.GetEncoding("UTF-8");
using (StreamReader sr = new StreamReader(Resp.GetResponseStream(), code))
{
if (sr != null)
{
try
{
str = sr.ReadToEnd();
StringSub.substr(str, "<h2>", "</h2>", 0);
str = str.Substring(str.IndexOf(start) + start.Length);
OkStr = str.Substring(0, str.IndexOf(last));
MessageBox.Show("驗證成功!顯示IP爲" + OkStr);
}
catch
{
MessageBox.Show("文件讀取失敗!");
}
finally
{
sr.Close();
}
}
}
}
發表評論
所有評論
還沒有人評論,想成為第一個評論的人麼? 請在上方評論欄輸入並且點擊發布.