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为何不能获取URL中的&后面的参数

WBOY
WBOYOriginal
2016-06-13 12:30:371208browse

为什么不能获取URL中的&后面的参数。
页面的URL是这样的:
page1.php?mod=aa&id=1
用_Get['mod']可以获取到aa.
但是用Get['id']却是空。
如何才能在php中获取到id参数那?
谢谢。

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