HttpListenerRequest.UserHostName 屬性

定義

命名空間:

System.Net

組件:

netstandard.dll, System.Net.HttpListener.dll

來源:

HttpListenerRequest.cs

取得 DNS 名稱和用戶端所指定的連接埠編號 (如果有提供的話)。

C#

public string UserHostName { get; }

屬性值

String

String 值，包含要求之 Host 標頭的文字。

範例

下列程式代碼範例示範如何使用這個屬性。

C#

public static void ShowRequestProperties1 (HttpListenerRequest request)
{
    // Display the MIME types that can be used in the response.
    string[] types = request.AcceptTypes;
    if (types != null)
    {
        Console.WriteLine("Acceptable MIME types:");
        foreach (string s in types)
        {
            Console.WriteLine(s);
        }
    }
    // Display the language preferences for the response.
    types = request.UserLanguages;
    if (types != null)
    {
        Console.WriteLine("Acceptable natural languages:");
        foreach (string l in types)
        {
            Console.WriteLine(l);
        }
    }

    // Display the URL used by the client.
    Console.WriteLine("URL: {0}", request.Url.OriginalString);
    Console.WriteLine("Raw URL: {0}", request.RawUrl);
    Console.WriteLine("Query: {0}", request.QueryString);

    // Display the referring URI.
    Console.WriteLine("Referred by: {0}", request.UrlReferrer);

    //Display the HTTP method.
    Console.WriteLine("HTTP Method: {0}", request.HttpMethod);
    //Display the host information specified by the client;
    Console.WriteLine("Host name: {0}", request.UserHostName);
    Console.WriteLine("Host address: {0}", request.UserHostAddress);
    Console.WriteLine("User agent: {0}", request.UserAgent);
}

備註

Host標頭包含要求的伺服器主機名和埠號碼，如果指定，則以冒號分隔 (例如， www.contoso.com:8080) 。

您可以使用此屬性傳回不同的回應，視要求中指定的主機名而定。

如需要求標頭的完整清單，請參閱 HttpRequestHeader 列舉。

適用於

另請參閱

• HttpListener
• HttpListenerContext
• HttpListenerResponse