[英]How can I call client side C# program function via JavaScript from web page on server side?
[英]How to create a socket on client side to web server from its hostname and Port number in C#?
我想创建一个知道服务器的主机名和端口的Web服务器的客户端套接字。 我是从Java背景中提出这个问题的,您可以在其中简单地编写如下内容
Socket MyClient;
try
{
MyClient = new Socket("Hostname", PortNumber);
}
catch (IOException e)
{
System.out.println(e);
}
有没有类似的方式在C#中编写代码?
如果您打算使用套接字进行HTTP通信,则无需重新设计轮子。 您可以使用WebClient类为您完成肮脏的工作。
这里给你样品。
private string getHTTP(string url)
{
TcpClient clientSocket = new TcpClient();
NetworkStream networkStream = null;
long port = 7777;
try
{
try
{
clientSocket.Connect(url,port );
}
catch { MessageBox.Show("Server is not Working", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Warning); return "Server is not working"; }
byte[] sendbyte = Encoding.ASCII.GetBytes(url);
networkStream = clientSocket.GetStream();
networkStream.Write(sendbyte, 0, sendbyte.Length);
networkStream.Flush();
}
catch { MessageBox.Show("Streaming Error", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Warning); return "Error"; }
// receive Message from DNS Server
byte[] receivedata = new byte[clientSocket.ReceiveBufferSize];
networkStream.Read(receivedata, 0, clientSocket.ReceiveBufferSize);
string urlnew = Encoding.ASCII.GetString(receivedata);
return urlnew;
}
更多,您应该参考此链接
从提供了一个主意的答案中,我认为这可能是简单的答案:
public Socket getSocket1(string Hostname, int PortNmber)
{
TcpClient client = new TcpClient(Hostname, PortNumber);
return client.Client;
}
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