Java HttpCookie setDiscard() 方法

2025 年 3 月 22 日 | 阅读需 2 分钟

Java HttpCookie 类的 setDiscard(boolean discard) 方法用于指定给定的用户代理是否可以无条件丢弃此 Cookie。此属性仅用于 RFC 2965。

语法

参数

上述方法仅包含一个参数

discard - 如果为 true，则表示丢弃 Cookie。

不适用。

示例 1

import java.net.HttpCookie;
public class JavaHttpCookieSetDiscardExample1 {
   public static void main(String[] args) {
	HttpCookie  cookie = new HttpCookie("Employee", "4");
  // Specifies whether the given user agent can discard the cookie unconditionally or not.
	   cookie.setDiscard(false);
 System.out.println("Checks the discard attribute of cookie: "+cookie.getDiscard());
	    }
}

输出

Checks the discard attribute of cookie: false

示例 2

import java.net.HttpCookie;
public class JavaHttpCookieSetDiscardExample2 {
	public static void main(String[] args) {
	   HttpCookie  cookie = new HttpCookie("Employee", "4");
// Specifies whether the given user agent can discard the cookie unconditionally or not.
          cookie.setDiscard(true);
	//Returns the discard attribute of the cookie.
 System.out.println("Checks the discard attribute of the cookie: "+cookie.getDiscard());
       }
}

输出

Checks the discard attribute of the cookie: true

示例 3

import java.net.HttpCookie;
public class JavaHttpCookieSetDiscardExample3 {
  public static void main(String[] args) {
	HttpCookie  cookie1  = new HttpCookie("Student1", "101");
	HttpCookie  cookie2  = new HttpCookie("Student2", "102");
	cookie1.setDiscard(false);
	cookie2.setDiscard(true);
	  boolean bool1 = cookie1.getDiscard();
	  boolean bool2 = cookie2.getDiscard();
	  if(bool1)
	  {
		  System.out.println("Comment1: Discard attribute is present.");
	  }
	  else {
		  System.out.println("Comment1: Discard attribute is not present.");
	  }
	  if(bool2)
	  {
		  System.out.println("Comment2: Discard attribute is present.");
	  }
	  else {
		  System.out.println("Comment2: Discard attribute is not present.");
	  }
    }
}

输出

Comment1: Discard attribute is not present.
Comment2: Discard attribute is present.

下一个主题setDomain() 方法

Java HttpCookie setDiscard() 方法

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Java HttpCookie setDiscard() 方法

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示例 1

示例 2

示例 3

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