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Cookie 類別

定義

提供用來管理 Cookie 的一組屬性和方法。 此類別無法獲得繼承。

public ref class Cookie sealed
public sealed class Cookie
[System.Serializable]
public sealed class Cookie
type Cookie = class
[<System.Serializable>]
type Cookie = class
Public NotInheritable Class Cookie
繼承
Cookie
屬性

範例

下列範例會將要求傳送至URL,並顯示回應中傳回的Cookie。

#using <System.dll>

using namespace System;
using namespace System::Net;

// This example is run at the command line.
// Specify one argument: the name of the host to 
// send the request to.
// If the request is sucessful, the example displays the contents of the cookies
// returned by the host.
int main()
{
   array<String^>^args = Environment::GetCommandLineArgs();
   if ( args == nullptr || args->Length != 2 )
   {
      Console::WriteLine( "Specify the URL to receive the request." );
      Environment::Exit( 1 );
   }

   
   HttpWebRequest^ request = dynamic_cast<HttpWebRequest^>(WebRequest::Create( args[ 1 ] ));
   request->CookieContainer = gcnew CookieContainer;
   HttpWebResponse^ response = dynamic_cast<HttpWebResponse^>(request->GetResponse());
   response->Cookies = request->CookieContainer->GetCookies( request->RequestUri );
   
   // Print the properties of each cookie.
   System::Collections::IEnumerator^ myEnum = response->Cookies->GetEnumerator();
   while ( myEnum->MoveNext() )
   {
      Cookie^ cook = safe_cast<Cookie^>(myEnum->Current);
      Console::WriteLine( "Cookie:" );
      Console::WriteLine( "{0} = {1}", cook->Name, cook->Value );
      Console::WriteLine( "Domain: {0}", cook->Domain );
      Console::WriteLine( "Path: {0}", cook->Path );
      Console::WriteLine( "Port: {0}", cook->Port );
      Console::WriteLine( "Secure: {0}", cook->Secure );
      Console::WriteLine( "When issued: {0}", cook->TimeStamp );
      Console::WriteLine( "Expires: {0} (expired? {1})", cook->Expires, cook->Expired );
      Console::WriteLine( "Don't save: {0}", cook->Discard );
      Console::WriteLine( "Comment: {0}", cook->Comment );
      Console::WriteLine( "Uri for comments: {0}", cook->CommentUri );
      Console::WriteLine( "Version: RFC {0}", cook->Version == 1 ? (String^)"2109" : "2965" );
      
      // Show the string representation of the cookie.
      Console::WriteLine( "String: {0}", cook );
      
   }

}

// Output from this example will be vary depending on the host name specified,
// but will be similar to the following.
/*
Cookie:
CustomerID = 13xyz
Domain: .contoso.com
Path: /
Port:
Secure: False
When issued: 1/14/2003 3:20:57 PM
Expires: 1/17/2013 11:14:07 AM (expired? False)
Don't save: False
Comment: 
Uri for comments:
Version: RFC 2965
String: CustomerID = 13xyz
*/
using System.Net;
using System;
namespace Examples.System.Net.Cookies
{
    // This example is run at the command line.
    // Specify one argument: the name of the host to
    // send the request to.
    // If the request is sucessful, the example displays the contents of the cookies
    // returned by the host.

    public class CookieExample
    {
        public static void Main(string[] args)
        {
            if (args == null || args.Length != 1)
            {
                Console.WriteLine("Specify the URL to receive the request.");
                Environment.Exit(1);
            }
            var request = (HttpWebRequest)WebRequest.Create(args[0]);
            request.CookieContainer = new CookieContainer();

            using (var response = (HttpWebResponse) request.GetResponse())
            {
                // Print the properties of each cookie.
                foreach (Cookie cook in response.Cookies)
                {
                    Console.WriteLine("Cookie:");
                    Console.WriteLine($"{cook.Name} = {cook.Value}");
                    Console.WriteLine($"Domain: {cook.Domain}");
                    Console.WriteLine($"Path: {cook.Path}");
                    Console.WriteLine($"Port: {cook.Port}");
                    Console.WriteLine($"Secure: {cook.Secure}");

                    Console.WriteLine($"When issued: {cook.TimeStamp}");
                    Console.WriteLine($"Expires: {cook.Expires} (expired? {cook.Expired})");
                    Console.WriteLine($"Don't save: {cook.Discard}");
                    Console.WriteLine($"Comment: {cook.Comment}");
                    Console.WriteLine($"Uri for comments: {cook.CommentUri}");
                    Console.WriteLine($"Version: RFC {(cook.Version == 1 ? 2109 : 2965)}");

                    // Show the string representation of the cookie.
                    Console.WriteLine($"String: {cook}");
                }
            }
        }
    }
}

// Output from this example will be vary depending on the host name specified,
// but will be similar to the following.
/*
Cookie:
CustomerID = 13xyz
Domain: .contoso.com
Path: /
Port:
Secure: False
When issued: 1/14/2003 3:20:57 PM
Expires: 1/17/2013 11:14:07 AM (expired? False)
Don't save: False
Comment:
Uri for comments:
Version: RFC 2965
String: CustomerID = 13xyz
*/
Imports System.Net

' This example is run at the command line.
' Specify one argument: the name of the host to 
' receive the request.
' If the request is sucessful, the example displays the contents of the cookies
' returned by the host.

Public Class CookieExample
    
    Public Shared Sub Main(args() As String)
        If args Is Nothing OrElse args.Length <> 1 Then
            Console.WriteLine("Specify the URL to receive the request.")
            Environment.Exit(1)
        End If
        Dim request As HttpWebRequest = WebRequest.Create(args(0))
        request.CookieContainer = New CookieContainer()
    
        Using response As HttpWebResponse = request.GetResponse()
            ' Print the properties of each cookie.
            For Each cook As Cookie In response.Cookies
                Console.WriteLine("Cookie:")
                Console.WriteLine($"{cook.Name} = {cook.Value}")
                Console.WriteLine($"Domain: {cook.Domain}")
                Console.WriteLine($"Path: {cook.Path}")
                Console.WriteLine($"Port: {cook.Port}")
                Console.WriteLine($"Secure: {cook.Secure}")
    
                Console.WriteLine($"When issued: {cook.TimeStamp}")
                Console.WriteLine($"Expires: {cook.Expires} (expired? {cook.Expired})")
                Console.WriteLine($"Don't save: {cook.Discard}")
                Console.WriteLine($"Comment: {cook.Comment}")
                Console.WriteLine($"Uri for comments: {cook.CommentUri}")
                Console.WriteLine($"Version: RFC {If(cook.Version = 1, 2109, 2965)}")
    
                ' Show the string representation of the cookie.
                Console.WriteLine($"String: {cook}")
            Next
        End Using
    End Sub
End Class



' Output from this example will be vary depending on the host name specified,
' but will be similar to the following.
'
'Cookie:
'CustomerID = 13xyz
'Domain: .contoso.com
'Path: /
'Port:
'Secure: False
'When issued: 1/14/2003 3:20:57 PM
'Expires: 1/17/2013 11:14:07 AM (expired? False)
'Don't save: False
'Comment: 
'Uri for comments:
'Version: RFC 2965
'String: CustomerID = 13xyz
'

備註

用戶端應用程式會使用 類別 Cookie 來擷取 HTTP 回應所接收之 Cookie 的相關信息。 在剖析 HTTP 回應標頭期間支援下列 Cookie 格式:原始 Netscape 規格、RFC 2109 和 RFC 2965。

如需 實例 Cookie的初始屬性值清單,請參閱各種 Cookie 建構函式。

建構函式

Cookie()

初始化 Cookie 類別的新執行個體。

Cookie(String, String)

使用指定的 CookieName 初始化 Value 類別的新執行個體。

Cookie(String, String, String)

使用指定的 CookieNameValue,初始化 Path 類別的新執行個體。

Cookie(String, String, String, String)

使用指定的 CookieNameValuePath,初始化 Domain 類別的新執行個體。

屬性

Comment

取得或設定伺服器可加入至 Cookie 的註解。

CommentUri

取得或設定伺服器以 Cookie 提供的 URI 註解。

Discard

取得或設定由伺服器設定的捨棄旗標。

Domain

取得或設定 Cookie 為有效的 URI。

Expired

取得或設定 Cookie 的目前狀態。

Expires

取得或設定 Cookie 的到期日和時間為 DateTime

HttpOnly

決定頁面指令碼或其他主動式內容是否可以存取這個 Cookie。

Name

取得或設定 Cookie 的名稱。

Path

取得或設定 Cookie 要套用的 URI。

Port

取得或設定 Cookie 可以套用的 TCP 連接埠清單。

Secure

取得或設定 Cookie 的安全層級。

TimeStamp

取得以 DateTime 發出 Cookie 的時間。

Value

取得或設定 ValueCookie

Version

取得或設定 Cookie 依據的 HTTP 狀態維護版本。

方法

Equals(Object)

覆寫 Equals(Object) 方法。

GetHashCode()

覆寫 GetHashCode() 方法。

GetType()

取得目前執行個體的 Type

(繼承來源 Object)
MemberwiseClone()

建立目前 Object 的淺層複製。

(繼承來源 Object)
ToString()

覆寫 ToString() 方法。

適用於

另請參閱