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帮我简化一下代码

WBOY
WBOYOriginal
2016-06-07 11:39:27904browse

写的比较大,帮我简化一下
 public function url(){         <br>         $xid =I('xid');        <br>         $xml = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n<list>\n"; <br>         if($xid==(44)){   <br>            $xml.='1'."\n";           <br>         }elseif($xid==497){<br>            $xml.='1'."\n";<br>         }elseif($xid==613){<br>            $xml.='1'."\n"; <br>         }elseif($xid==765){<br>            $xml.='1'."\n"; <br>         }else{<br>            $xml.='2'."\n";        <br>         } <br>         $xml .='</list>';<br>         echo $xml ;       <br> }     

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