1.安装element-ui

npm i element-ui -S

检查element-ui是否安装成功，当package.json中有element-ui的版本号,表示安装成功

"dependencies": {
    "element-ui": "^2.15.5",
    "vue": "^2.6.11",
    "vue-router": "^3.2.0"
  },

2.在main.js中导入element-ui

//引入ElementUI(完整引入)
import ElementUI from 'element-ui';
//引入样式
import 'element-ui/lib/theme-chalk/index.css';

//安装ElementUI
Vue.use(ElementUI);

3.现在我们就可以参照Element官方文档在Vue中开发了

demo

改动App.vue组件，显示不同样式的按钮

<template>
  <div id="app">
    <router-view/>
    //element-ui
      <el-row>
        <el-button disabled>默认按钮</el-button>
        <el-button type="primary" disabled>主要按钮</el-button>
        <el-button type="success" disabled>成功按钮</el-button>
        <el-button type="info" disabled>信息按钮</el-button>
        <el-button type="warning" disabled>警告按钮</el-button>
        <el-button type="danger" disabled>危险按钮</el-button>
      </el-row>
  </div>
</template>

<style>
#app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
}
</style>

效果如图所示