App\Controller\Page::upload PHP 메소드

    function upload()
    {
        if ($_FILES) {
            //需要生成缩略图
            $this->upload->thumb_width = 136;
            //缩略图宽度
            $this->upload->thumb_height = 136;
            //缩略图高度
            $this->upload->thumb_qulitity = 100;
            //缩略图质量
            //自动压缩图片
            $this->upload->max_width = 600;
            //约定图片的最大宽度
            $this->upload->max_height = 600;
            //约定图片的最大高度
            $this->upload->max_qulitity = 90;
            //图片压缩的质量
            $up_pic = $this->upload->save('Filedata');
            if (empty($up_pic)) {
                echo '上传失败，请重新上传！ Error:' . $this->upload->error_msg;
            }
            echo json_encode($up_pic);
        } else {
            $this->display();
        }
    }