com.xnx3.j2ee.util

类 CookieUtil

java.lang.Object

com.xnx3.j2ee.util.CookieUtil

public class CookieUtil
extends java.lang.Object

Cookie常用操作工具类

作者:

管雷鸣

构造器概要

构造器

构造器和说明
CookieUtil(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) cookie有效时间一年
CookieUtil(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, int age)

方法概要

限定符和类型	方法和说明
void	addCookie(java.lang.String name, java.lang.String value) 增加cookie
void	deleteCookie(java.lang.String cookieName) 删除cookie
javax.servlet.http.Cookie	getCookie(java.lang.String cookieName) 获取cookie
java.lang.String	getCookieValue(java.lang.String cookieName) 获取cookie的值

从类继承的方法 java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

CookieUtil

public CookieUtil(javax.servlet.http.HttpServletRequest request,
                  javax.servlet.http.HttpServletResponse response,
                  int age)

参数:

request - HttpServletRequest

response - HttpServletResponse

age - cookie有效期

0 ：不记录cookie

-1：会话级cookie，关闭浏览器失效

>0：过期时间，单位：秒

CookieUtil

public CookieUtil(javax.servlet.http.HttpServletRequest request,
                  javax.servlet.http.HttpServletResponse response)

cookie有效时间一年

参数:

request - HttpServletRequest

response - HttpServletResponse

方法详细资料

addCookie

public void addCookie(java.lang.String name,
                      java.lang.String value)

增加cookie

参数:

name - cookie的名字

value - cookie的值

getCookieValue

public java.lang.String getCookieValue(java.lang.String cookieName)

获取cookie的值

参数:

cookieName - 要取的cookie名字

返回:

cookie的值

若取不到这个名字的cookie，则返回null

getCookie

public javax.servlet.http.Cookie getCookie(java.lang.String cookieName)

获取cookie

参数:

cookieName - cookie的名字

返回:

Cookie

若没有这个名字的cookie，则返回null

deleteCookie

public void deleteCookie(java.lang.String cookieName)

删除cookie

参数:

cookieName -