/js/jquery.imgareaselect-0.9.10/css/imgareaselect-default.css
引用js
html
jQuery代码
确定裁剪
服务器端php代码
public function actionCrop($src_path,$x1,$x2,$y1,$y2){
$pic =$src_path;
$width = $x2-$x1;
$height = $y2-$y1;
$type=exif_imagetype($pic); //判断文件类型
$support_type=array(IMAGETYPE_JPEG , IMAGETYPE_PNG , IMAGETYPE_GIF);
if(!in_array($type, $support_type,true)) {
echo "this type of image does not support! only support jpg , gif or png";
exit();
}
switch($type) {
case IMAGETYPE_JPEG :
$image = imagecreatefromjpeg($pic);
break;
case IMAGETYPE_PNG :
$image = imagecreatefrompng($pic);
break;
case IMAGETYPE_GIF :
$image = imagecreatefromgif($pic);
break;
default:
echo "Load image error!";
exit();
}
$copy = $this->PIPHP_ImageCrop($image, $x1, $y1, $width, $height);//裁剪
imagejpeg($copy, $src_path); //替换新图
return ['result'=>'Success','path'=>$src_path]; //返回新图地址
}
function PIPHP_ImageCrop($image, $x, $y, $w, $h){
$tw = imagesx($image);
$th = imagesy($image);
if ($x > $tw || $y > $th || $w > $tw || $h > $th) return FALSE;
$temp = imagecreatetruecolor($w, $h);
imagecopyresampled($temp, $image, 0, 0, $x, $y, $w, $h, $w, $h);
return $temp;
}
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