关于vue.js:P13-组件-数据

数据必须是对象

• App.vue

<script>
  import Content from "./components/Content.vue";
  export default {data() {return {};
    },
    components:{Content}
  }

</script>

<template>
  <div>
    <Content></Content>
    <Content></Content>
    <Content></Content>

  </div>

</template>

• Content.vue

<template>
  <div>
    <!-- 组件是能够复用 -->
    <Hello_kugou></Hello_kugou>
    <h2> content hello </h2>
    <h3>{{msg}}</h3>
    <button @click="msg=' 酷狗 '"> chagebut</button>
    <Hello_kugou></Hello_kugou>
  </div>
</template>

<script>
import Hello_kugou from "./Hello_kugou.vue";
export default {data(){
    return{msg: 'hellokugoumsg'};
  },
  components:{Hello_kugou},
  name: "Content"
}
</script>

<style scoped>

</style>

• Hello_kugou.vue

<template>
  <div>
    <h2>hello kugou</h2>
  </div>
</template>

<script>
export default {name: "Hello_kugou"}
</script>

<style scoped>

</style>