element ui + Vue Html 小demo模板--- theme: awesome-green --- ``

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <!-- import CSS -->
    <link
      rel="stylesheet"
      href="https://unpkg.com/element-ui/lib/theme-chalk/index.css"
    />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <div id="app">
      {{msg}}
      <el-button>按钮</el-button>
    </div>
  </body>

  <!-- import Vue before Element -->
  <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
  <!-- import JavaScript -->
  <script src="https://unpkg.com/element-ui/lib/index.js"></script>
  <script>
    new Vue({
      el: "#app",
      data() {
        return {
          msg: "hello world",
        };
      },
      computed: {},
      methods: {},
    });
  </script>
</html>