<link href="https://cdnjs.cloudflare.com/ajax/libs/nvd3/1.1.15-beta/nv.d3.min.css">
<script type="text/javascript" src="https://cdn.bootcss.com/angular.js/1.3.3/angular.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.4.13/d3.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/nvd3/1.1.15-beta/nv.d3.min.js"></script>
再次打开
