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HttpWebRequest.CookieContainer 屬性

定義

取得或設定與要求相關聯的 Cookie。

public:
 virtual property System::Net::CookieContainer ^ CookieContainer { System::Net::CookieContainer ^ get(); void set(System::Net::CookieContainer ^ value); };
public:
 property System::Net::CookieContainer ^ CookieContainer { System::Net::CookieContainer ^ get(); void set(System::Net::CookieContainer ^ value); };
public virtual System.Net.CookieContainer CookieContainer { get; set; }
public virtual System.Net.CookieContainer? CookieContainer { get; set; }
public System.Net.CookieContainer CookieContainer { get; set; }
member this.CookieContainer : System.Net.CookieContainer with get, set
Public Overridable Property CookieContainer As CookieContainer
Public Property CookieContainer As CookieContainer

屬性值

CookieContainer,其中包含與此要求相關聯的Cookie。

範例

下列程式代碼範例會將要求傳送至 URL,並顯示回應中傳回的 Cookie。

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

謹慎

WebRequestHttpWebRequestServicePointWebClient 已經過時,您不應該將它們用於新的開發。 請改用 HttpClient

CookieContainer 屬性會提供 CookieContainer 類別的實例,其中包含與此要求相關聯的 Cookie。

默認會 nullCookieContainer。 您必須將 CookieContainer 物件指派給 屬性,讓 GetResponse 方法傳回之 HttpWebResponseCookies 屬性中傳回 Cookie。

注意

基於安全性考慮,預設會停用 Cookie。 如果您想要使用 Cookie,請使用 CookieContainer 屬性來啟用 Cookie。

適用於

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