public static   function  upFile($r,$p=‘../images/link/‘,$type=‘gif,jpg,png‘,$named=0){        $newnames = null;        //var_dump($r);        foreach($r as $v){            //var_dump($v[‘name‘]);            $name = $v[‘name‘];            $name1 =  explode(‘.‘,$name);            $ext = $name1[count($name1)-1];  var_dump($ext);            if(in_array($ext,explode(‘,‘,$type))){                $n = $named==0 ? date(‘YmdHis‘).‘.‘.$ext : $named;                var_dump($n);                move_uploaded_file($v[‘tmp_name‘],$p.$n);                $newnames[] = $n;            }        }        return $newnames;    }

html 文件
<tr>  <td>图片：</td>  <td><input type="file" name="img_url" value="<?php echo $article->img_url; ?>"/></td>
</tr>