下面的示例說明如何創建 WebRequest 實例并返回響應。 :-)
ms-help://MS.MSDNQTR.v80.chs/MS.MSDN.v80/MS.NETDEVFX.v20.chs/cpref10/html/T_System_Net_WebRequest.htm
C#
using System;
using System.IO;
using System.Net;
using System.Text;

namespace Examples.System.Net
{
??? public class WebRequestGetExample
??? {
??????? public static void Main ()
??????? {
??????????? // Create a request for the URL. ??? ???
??????????? WebRequest request = WebRequest.Create ("http://www.contoso.com/default.html");
??????????? // If required by the server, set the credentials.
??????????? request.Credentials = CredentialCache.DefaultCredentials;
??????????? // Get the response.
??????????? HttpWebResponse response = (HttpWebResponse)request.GetResponse ();
??????????? // Display the status.
??????????? Console.WriteLine (response.StatusDescription);
??????????? // Get the stream containing content returned by the server.
??????????? Stream dataStream = response.GetResponseStream ();
??????????? // Open the stream using a StreamReader for easy access.
??????????? StreamReader reader = new StreamReader (dataStream);
??????????? // Read the content.
??????????? string responseFromServer = reader.ReadToEnd ();
??????????? // Display the content.
??????????? Console.WriteLine (responseFromServer);
??????????? // Cleanup the streams and the response.
??????????? reader.Close ();
??????????? dataStream.Close ();
??????????? response.Close ();
??????? }
??? }
}

IronPython

from System import *
from System.IO import *
from System.Net import *
from System.Text import *
request = WebRequest.Create ("http://www.contoso.com/default.html")
response = request.GetResponse ()
Console.WriteLine (response.StatusDescription)
dataStream = response.GetResponseStream ()
reader = StreamReader (dataStream)
responseFromServer = reader.ReadToEnd ()
Console.WriteLine (responseFromServer)
reader.Close ()
dataStream.Close ()
response.Close ()

PowerShell

$request = [System.Net.WebRequest]::Create("http://www.contoso.com/default.html");
$request.Credentials = [System.Net.CredentialCache]::DefaultCredentials
$response = $request.GetResponse()
[System.Console]::WriteLine($response.StatusDescription)
$dataStream = $response.GetResponseStream()
$reader = New-Object System.IO.StreamReader($dataStream)
$responseFromServer = $reader.ReadToEnd()
[System.Console]::WriteLine($responseFromServer)
$reader.Close()
$dataStream.Close()
$response.Close()

轉載于:https://www.cnblogs.com/yanlixin/archive/2007/08/02/840600.html

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