The address of the page (if any) which referred the user agent to the current page. This is set by the user agent. Not all user agents will set this, and some provide the ability to modify HTTP_REFERER as a feature. In short, it cannot really be trusted.
如果想回头,带个参数传过去吧。(按自己需要)
如果想回头,带个参数传过去吧。(按自己需要)
可以再用strrchr()等字符串处理函数处理一下,等到你要的地址字符