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我想这样做,如果?nourl 的末尾有一个,那么就不会发生任何事情。但是,如果 url 的末尾没有任何内容,那么确实会发生一些事情。我怎样才能做到这一点?
?no
利用
if (!isset($_REQUEST['no'])) { //something happen } else { //do nothing }