WebClient.ResponseHeaders 屬性
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
取得與回應相關聯的標頭名稱/值組集合。
public:
property System::Net::WebHeaderCollection ^ ResponseHeaders { System::Net::WebHeaderCollection ^ get(); };
public System.Net.WebHeaderCollection? ResponseHeaders { get; }
public System.Net.WebHeaderCollection ResponseHeaders { get; }
member this.ResponseHeaders : System.Net.WebHeaderCollection
Public ReadOnly Property ResponseHeaders As WebHeaderCollection
屬性值
WebHeaderCollection 包含與回應相關聯的標頭名稱/值組,如果尚未收到任何回應,則為 null
。
範例
下列程式代碼範例會下載並顯示伺服器所傳回 ResponseHeaders。
// Obtain the WebHeaderCollection instance containing the header name/value pair from the response.
WebHeaderCollection^ myWebHeaderCollection = myWebClient->ResponseHeaders;
Console::WriteLine( "\nDisplaying the response headers\n" );
// Loop through the ResponseHeaders and display the header name/value pairs.
for ( int i = 0; i < myWebHeaderCollection->Count; i++ )
{
Console::WriteLine( "\t{0} = {1}", myWebHeaderCollection->GetKey( i ),
myWebHeaderCollection->Get( i ) );
}
// Obtain the WebHeaderCollection instance containing the header name/value pair from the response.
WebHeaderCollection myWebHeaderCollection = myWebClient.ResponseHeaders;
Console.WriteLine("\nDisplaying the response headers\n");
// Loop through the ResponseHeaders and display the header name/value pairs.
for (int i=0; i < myWebHeaderCollection.Count; i++)
Console.WriteLine ("\t" + myWebHeaderCollection.GetKey(i) + " = " + myWebHeaderCollection.Get(i));
' ResponseHeaders is a WebHeaderCollection instance that contains the headers sent back
' in response to the WebClient request.
Dim myWebHeaderCollection As WebHeaderCollection = myWebClient.ResponseHeaders
Console.WriteLine(ControlChars.Cr + "Displaying the response headers" + ControlChars.Cr)
' Loop through the ResponseHeaders.
Dim i As Integer
For i = 0 To myWebHeaderCollection.Count - 1
' Display the headers as name/value pairs.
Console.WriteLine((ControlChars.Tab + myWebHeaderCollection.GetKey(i) + " " + ChrW(61) + " " + myWebHeaderCollection.Get(i)))
Next i
備註
謹慎
WebRequest
、HttpWebRequest
、ServicePoint
和 WebClient
已經過時,您不應該將它們用於新的開發。 請改用 HttpClient。
ResponseHeaders 屬性包含 WebHeaderCollection 實例,其中包含回應 WebClient 接收的標頭資訊。