zoukankan      html  css  js  c++  java
  • 利用TcpClient HTTP协议获得网页源码

            private string GetHTMLTCP(string URL)
            {
                
    string strHTML = "";//用来保存获得的HTML代码
                TcpClient clientSocket = new TcpClient();
                Uri URI 
    = new Uri(URL);
                clientSocket.Connect(URI.Host, URI.Port);
                StringBuilder RequestHeaders 
    = new StringBuilder();//用来保存HTML协议头部信息
                RequestHeaders.AppendFormat("{0} {1} HTTP/1.1\r\n","GET"/*此处可填写GET或POST*/,URI.PathAndQuery);
                RequestHeaders.AppendFormat(
    "Connection:close\r\n");
                RequestHeaders.AppendFormat(
    "Host:{0}\r\n", URI.Host);
                RequestHeaders.AppendFormat(
    "Accept:*/*\r\n");
                RequestHeaders.AppendFormat(
    "Accept-Language:zh-cn\r\n");
                RequestHeaders.AppendFormat(
    "User-Agent:Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)\r\n\r\n");
                Encoding encoding 
    = Encoding.Default;
                
    byte[] request = encoding.GetBytes(RequestHeaders.ToString());
                clientSocket.Client.Send(request);
                
    //获取要保存的网络流
                Stream readStream = clientSocket.GetStream();
                StreamReader sr 
    = new StreamReader(readStream, Encoding.Default);
                strHTML 
    = sr.ReadToEnd();


                readStream.Close();
                clientSocket.Close();
                
                
    return strHTML;
            }

    以上代码在VS2008环境下测试通过
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  • 原文地址:https://www.cnblogs.com/having/p/1548706.html
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