版本：2.1.1
- https://cdn.bootcdn.net/ajax/libs/easy-pie-chart/2.1.1/angular.easypiechart.js
- https://cdn.bootcdn.net/ajax/libs/easy-pie-chart/2.1.1/angular.easypiechart.min.js
- https://cdn.bootcdn.net/ajax/libs/easy-pie-chart/2.1.1/easypiechart.js
- https://cdn.bootcdn.net/ajax/libs/easy-pie-chart/2.1.1/easypiechart.min.js
- https://cdn.bootcdn.net/ajax/libs/easy-pie-chart/2.1.1/jquery.easypiechart.js
- https://cdn.bootcdn.net/ajax/libs/easy-pie-chart/2.1.1/jquery.easypiechart.min.js