SOURCE

var Main = {
    data() {
      return {
        todos: [
      		{ text: '学习 JavaScript' },
      		{ text: '学习 Vue1' },
      		{ text: '整个牛项目' }
    		],
        form: {
          flie: {
            name: "name"
          }
        }
      };
    },

    methods: {
      next() {
        if (this.active++ > 2) this.active = 0;
      }
    }
  }
var Ctor = Vue.extend(Main)
new Ctor().$mount('#app')

<script src="//unpkg.com/vue/dist/vue.js">
</script>
<script src="//unpkg.com/element-ui@2.3.8/lib/index.js">
</script>
<div id="app">
  <ol>
    <li v-for="todo in todos">
      {{ todo.text }}
    </li>
  </ol>
  <el-form ref="form" :model="form" label-width="80px">
    <el-form-item label="活动名称">
      <el-input v-model="form.file.name">
      </el-input>
    </el-form-item>
  </el-form>
</div>

@import url("//unpkg.com/element-ui@2.3.8/lib/theme-chalk/index.css");