文档
component动态组件很适合在不同组件之间切换,相比v-if
判断,要优雅得多
项目结构
$ tree -I node_modules
.
├── package.json
└── src
├── App.vue
├── components
│ ├── ComponentA.vue
│ ├── ComponentB.vue
│ └── ComponentC.vue
└── main.js
依赖 package.json
{
"scripts": {
"dev": "vue-cli-service serve",
"build": "vue-cli-service build"
},
"dependencies": {
"vue": "^2.6.14"
},
"devDependencies": {
"@vue/cli-service": "^5.0.8",
"vue-template-compiler": "^2.6.14",
"less": "^4.0.0",
"less-loader": "^8.0.0"
}
}
入口文件 main.js
import Vue from "vue";
import App from "./App.vue";
new Vue({
el: "#app",
render: (h) => h(App),
});
组件 ComponentA.vue
<template>
<div class="">ComponentA</div>
</template>
<script>
// created at 2023-03-31
export default {
name: "ComponentA",
};
</script>
<style lang="less"></style>
组件 ComponentB.vue
<template>
<div class="">ComponentB</div>
</template>
<script>
// created at 2023-03-31
export default {
name: "ComponentB",
};
</script>
<style lang="less"></style>
组件 ComponentC.vue
<template>
<div class="">ComponentC</div>
</template>
<script>
// created at 2023-03-31
export default {
name: "ComponentC",
};
</script>
<style lang="less"></style>
App.vue
<template>
<div class="app-container">
<h2>Vue.js component动态组件示例</h2>
<!-- tabs -->
<div class="tabs">
<div
v-for="item in componentConfigs"
class="tab-item"
:class="{ 'tab-item--active': item.value == tab }"
@click="handleTabClick(item)"
>
{{ item.label }}
</div>
</div>
<!-- content -->
<div class="content">
<component v-bind:is="currentComponent"></component>
</div>
</div>
</template>
<script>
// created at 2022-12-26
import ComponentA from "./components/ComponentA.vue";
import ComponentB from "./components/ComponentB.vue";
import ComponentC from "./components/ComponentC.vue";
const componentConfigs = [
{
component: ComponentA,
value: "A",
label: "组件 A",
},
{
component: ComponentB,
value: "B",
label: "组件 B",
},
{
component: ComponentC,
value: "C",
label: "组件 C",
},
];
export default {
name: "App",
data() {
return {
tab: "A",
componentConfigs,
};
},
computed: {
currentComponent() {
return componentConfigs.find((item) => item.value == this.tab).component;
},
},
methods: {
handleTabClick(item) {
this.tab = item.value;
},
},
created() {},
};
</script>
<style lang="less">
body {
display: flex;
justify-content: center;
}
.app-container {
text-align: center;
}
.tabs {
display: flex;
justify-content: center;
border: 1px solid #808080;
border-bottom: none;
}
.tab-item {
width: 200px;
line-height: 40px;
text-align: center;
background-color: #808080;
color: #fff;
cursor: pointer;
}
.tab-item--active {
background-color: #fff;
color: #000;
}
.content {
line-height: 500px;
text-align: center;
border: 1px solid #808080;
}
</style>