Component template should contain exactly one root element. If you are using v-if on multiple elements, use v-else-if to chain them instead.

在用vue+iview开发时发现一个错误，具体报错如下

 error  in ./src/components/page/Test.vue

(Emitted value instead of an instance of Error)
  Vue template syntax error:

  Component template should contain exactly one root element. If you are using v-if on multiple elements, use v-else-if to chain them instead.


 @ ./src/components/page/Test.vue 5:2-167
 @ ./src/router/index.js
 @ ./src/main.js
 @ multi ./build/dev-client babel-polyfill ./src/main.js

在一个vue组件中我只是添加了一个按钮或一个div标签，就会报出这个错误。

原来vue模板只能有一个根对象所以你想要出现正常的效果，你的用一个div来或是别的标签来包裹全部的元素正确的写法就是：