公共函数
This script should not be not be installed directly. It is a library for other scripts to include with the meta directive // @require https://greasyfork.org/scripts/369899-st-library/code/ST-Library.js?version=666189
// @require https://greasyfork.org/scripts/369899-st-library/code/ST-Library.js?version=666189
// @require https://cdn.bootcss.com/FileSaver.js/1.3.2/FileSaver.min.js