<?php//获取连接里边的id$url = ‘http://www.rong123.com/cjbkscbsd/x_dfsdfs/24454_1_1.html‘;function getIdByUrl($url) {	$id = ‘‘;	$filename = basename($url,".html");	$id = str_replace(‘-‘, ‘_‘, $filename); 	if(strstr($id, ‘_‘)) {		$conids = explode(‘_‘, $id); 		$id = $conids[0];	}	return $id;}echo getIdByUrl($url).‘<hr/>‘;//获取完整文件名echo basename($url).‘<hr/>‘;//获取没有后缀的文件名echo basename($url,".html");?>