图片上传压缩 Thinkphp

import(‘ORG.Net.UploadFile‘);
        $upload = new UploadFile();
        $upload->maxSize  = 4194304;
        $upload->allowExts  = array(‘jpg‘, ‘gif‘, ‘png‘, ‘jpeg‘);
        $upload->savePath =  ‘Public/Mxun/vote/‘;
        //略所图
        $upload->thumb = true;
        $upload->thumbType = 0;
        $upload->thumbMaxWidth = ‘50,480‘;
        $upload->thumbMaxHeight = ‘50,640‘;