Vue3.js (15) component2

component 폴더에 tabItems 폴더 생성

src/component/tabItems/menu1(2,3).vue 3개 파일

<template>
  <div>
    <h1>Menu n</h1>
    <input type="text" v-model="username" />
  </div>
</template>

<script>
export default {
  data() {
    return {
      username: "",
    };
  },
};
</script>

<style></style>

component
app.vue
<template>
  <div>
    <!-- <h1>Component</h1>
    <button @click="displayDetail = true">show detail</button>
    <DetailVue v-if="displayDetail" @closeDetail="close" @sendData="showData" /> -->
    <h1>Hello Vue!!</h1>
    <!-- <CompLevel1 /> -->
    <button @click="actionTab = 'menu1'">menu1</button>
    <button @click="actionTab = 'menu2'">menu2</button>
    <button @click="actionTab = 'menu3'">menu3</button>
    <!-- <menu1 v-if="activeTab === 'menu1'" />
    <menu2 v-if="activeTab === 'menu2'" />
    <menu3 v-if="activeTab === 'menu3'" /> -->
    <keep-alive>
      <component :is="actionTab"></component>
    </keep-alive>
  </div>
</template>

<script>
import menu1 from "./components/tabItems/menu1.vue";
import menu2 from "./components/tabItems/menu2.vue";
import menu3 from "./components/tabItems/menu3.vue";

export default {
  name: "App",
  components: {
    menu1,
    menu2,
    menu3,
  },
  provide() {
    return {
      name: this.username,
    };
  },
  data() {
    return {
      username: "bada",
      actionTab: "menu1",
    };
  },
  methods: {
    // changeName() {
    //   this.username = "DDochi";
    // },
    close() {
      this.displayDetail = false;
    },
    showData(data) {
      console.log(data);
    },
  },
  directives: {},
  computed: {},
  watch: {},
};
</script>

<style>
#app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
  margin-top: 60px;
}
</style>