版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/angularjs-datepicker/2.1.23/angular-datepicker.css
- https://cdn.bootcdn.net/ajax/libs/angularjs-datepicker/2.1.23/angular-datepicker.js
- https://cdn.bootcdn.net/ajax/libs/angularjs-datepicker/2.1.23/angular-datepicker.min.css
- https://cdn.bootcdn.net/ajax/libs/angularjs-datepicker/2.1.23/angular-datepicker.min.js
- https://cdn.bootcdn.net/ajax/libs/angularjs-datepicker/2.1.23/angular-datepicker.sourcemap.map