thinkphp 生成缩略图

[php]代码库

if ($_FILES['user_pic']['error']<4) {
              $cfg=array('rootPath' =>'Public/uploads/' , );//最高级的public
              $up= new\Think\Upload($cfg);
              $z = $up-> uploadOne($_FILES['user_pic']);
              $uil = $up->rootPath.$z['savepath'].$z['savename'];
              $small_uil = $up->rootPath.$z['savepath'].'small_'.$z['savename'];


              $im = new\Think\Image();
              $im->open($uil);
              $im->thumb(100,100);
              $im->save($small_uil);

              dump($up);
            } else {
              # code...
            }