THINKPHP+JS实现缩放图片式截图的实现

public function cutimg()
{
$result = $this->upload('temp');
if (!is_array($result))
{
$this->redirect('index');
}
else
{
$this->assign('imgurl', '__ROOT__/' . C('ATTACHDIR') . '/temp/' . $result[0]['savename']);
$this->assign('imgname', $result[0]['savename']);
$this->display();
}
}

public function setavatar()
{
if (!empty($_REQUEST['cut_pos']))
{
// import('ORG.Util.ImageResize');
require('ImageResize.class.php');
$imgresize = new ImageResize();
// use the full path
$url = C('ATTACHDIR') . '/temp/' . trim($_POST['imgname']);
$imgresize->load($url);
dump($url);
$posary = explode(',', $_REQUEST['cut_pos']);
foreach($posary as $k => $v)

$posary[$k] = intval($v);

if ($posary[2] > 0 && $posary[3] > 0) $imgresize->resize($posary[2], $posary[3]);

dump($posary);
// create filename rule
$uico = time() . '.jpg';
dump($uico);
$path = C('AVATAR');
// save 120*120 image
$imgresize->cut(120, 120, intval($posary[0]), intval($posary[1]));
$large = 'l_' . $uico;
$imgresize->save($path . $large);

echo '<img src="'.__ROOT__.'/' . $path . $large . '" />';
// update database
}
else
{
// error reporting
}
}