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Home > Backend Development > PHP Tutorial > cookie有效期设为0，如果在意外情况（如断电，进程结束）后，打开原浏览器cookie依旧存在，再正常情况下关闭浏览器cookie是清除的啊。

cookie有效期设为0，如果在意外情况（如断电，进程结束）后，打开原浏览器cookie依旧存在，再正常情况下关闭浏览器cookie是清除的啊。

WBOY
Release： 2016-06-20 12:35:56
Original
1652 people have browsed it

请看我的需求，求个思路。。。


回复讨论(解决方案)

cookie有效期设为0，如果在意外情况（如断电，进程结束）后，打开原浏览器cookie依旧存在
这个假设不存在！

只在 cookie有效期设大于当前时间，且离开了当前网站时，尚未失效的 cookie 变量才会写入缓冲区

cookie有效期设为0，如果在意外情况（如断电，进程结束）后，打开原浏览器cookie依旧存在
这个假设不存在！

只在 cookie有效期设大于当前时间，且离开了当前网站时，尚未失效的 cookie 变量才会写入缓冲区


那这有实现的办法吗？给 cookie设个有效果，能不能实现关浏览器就清楚cookie,意外情况则不清除？

有效期为 0 就不会被保存
并不存在意外情况

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cookie有效期设为0，如果在意外情况（如断电，进程结束）后，打开原浏览器cookie依旧存在，再正常情况下关闭浏览器
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