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获取cookie值解决方法

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Jun 13, 2016 pm 01:32 PM

cookieindexphpquotsetcookie

获取cookie值
index.php

HTML code

<!--

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<iframe src="main.php" style="display:''"></iframe>

main.php

PHP code

<!--

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setcookie("l_cookie","cookie值");

我现在想要在index.php里获取cookie值，怎么获取不到啊？？？？
我是直接echo $_COOKIE["l_cookie"]的

------解决方案--------------------
别说index.php

就是main.php也没这个值，除非你setcookie后，马上赋值

要么放在index.php里赋值，同时赋值，，，要么借助js取值
------解决方案--------------------
设置cookie，是当前请求完成后才存到客户端的，所以在请求过程中是取不到当前设置的cookie值的（请求未完成），只能取到上次访问时设置的cookie值。
像楼上说的，刷新下就有了，相当于第2 次访问的时候获取第一次访问时设置的cookie

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