版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/path.js/0.8.4/path.js
- https://cdn.bootcdn.net/ajax/libs/path.js/0.8.4/path.min.js
PathJS is a lightweight, client-side routing library that allows you to create 'single page' applications using Hashbangs and/or HTML5 pushState.