F_EXCEED_SIZE":
                        code = "您需要选择小于{$upload_max_filesize_mb}M的文件！";
                        break;
                }
                alert(code);
            };

            $upload.on('click', function () {
                if ($(this).hasClass('disabled')) {
                    return false;
                }

                if (state === 'ready') {
                    uploader.upload();
                } else if (state === 'paused') {
                    uploader