版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/datatables.net-keytable-bs4/2.12.1/keyTable.bootstrap4.css
- https://cdn.bootcdn.net/ajax/libs/datatables.net-keytable-bs4/2.12.1/keyTable.bootstrap4.js
- https://cdn.bootcdn.net/ajax/libs/datatables.net-keytable-bs4/2.12.1/keyTable.bootstrap4.min.css
- https://cdn.bootcdn.net/ajax/libs/datatables.net-keytable-bs4/2.12.1/keyTable.bootstrap4.min.js