$dom = new domdocument('1.0', 'utf-8');$dom->formatoutput = true;$filename = $this->appurl.$this->modeldir./template/.$lang./eval_tytakg.xml;$dom ->load($filename);//先?除$xpath = new domxpath($dom);$olddata = $xpath->query(/data)->item(0);if($olddata){ $olddata->parentnode->removechild($olddata); $dom->preservewhitespace = false; $dom->load($filename); $dom->save($filename);}
回复讨论(解决方案) 木有人回覆？我自己把帖子?起?
我的做法是如果文件存在，先unlink，然后再创建新文件写入需要的内容
