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setcookie('uid', $id);

1.如果第三参数不传,是不是就是退出浏览器cookie就失效?

2.我用jquery的$ajax调用php,php里执行了setcookie('uid', $id, $cookietime, '/', '.xxx.net', 0);
在$ajax success里reload了页面,为什么取不到cookie?
而且在%temp%\..\Temporary Internet Files目录下也看不到对应网站的cookie文件。


回复讨论(解决方案)

是我服务器时间的问题。
现在好了。
另外问下。
我用setcookie('uid');删除cookie
往复几次。判断就会失效了。这是什么情况?

IE8有这个问题。。360Chrome没有问题。。

setcookie('uid',null)

统一一下,不用这个setcookie('uid');
setcookie("uid", "", time() - 3600);比较标准

统一一下,不用这个setcookie('uid');
setcookie("uid", "", time() - 3600);比较标准

还是不行,IE8只要登录再退出,再登录,就不能保存COOKIE了。
不知道为什么。我看了下discuz。
discuz自己写了个dsetcookie来处理。

挽尊。。。。

因为你没有设置作用域

login:
setcookie('uid', $dzid, $cookietime, '/', '.xxxx.net', 0);
setcookie('upd', $pass, $cookietime, '/', '.xxxx.net', 0);

logout:
setcookie('uid', '', $time - 3600, '/', '.xxxx.net', 0);
setcookie('upd', '', $time - 3600, '/', '.xxxx.net', 0);

在360Chrome可以反复登录。
IE就不行,反复登录最多2次,就不会再保存cookie了。
必须要关闭IE重新开启才行,我用的IE8测试的。

discuz也是用的setcookie嘛,就没问题。
虽然外面封装了一层dsetcookie,但貌似关系不大吧。

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