常用JS CDN地址

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    <link href="https://cdn.bootcdn.net/ajax/libs/element-ui/2.13.2/theme-chalk/index.css" rel="stylesheet">

    <!-- import Vue before Element -->

    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <!-- import JavaScript -->

    <script src="https://cdn.bootcdn.net/ajax/libs/element-ui/2.13.2/index.js"></script>
    <script src="https://cdn.bootcss.com/echarts/4.2.1-rc1/echarts.min.js"></script>
    <script type="text/javascript" src="https://cdn.staticfile.org/jquery/2.0.0/jquery.min.js"></script>