v-if实现

<!--Calender.vue-->
<template>
    <a-calendar v-model:value="value" @panelChange="onPanelChange" />

</template>
<script setup>
import { ref } from 'vue';
const value = ref();
const onPanelChange = (value, mode) => {
  console.log(value, mode);
};
</script>
<style>
</style>

<!--Table.vue-->
<script setup>
import { defineComponent, ref } from 'vue'
defineProps({
  msg: String,
})
const count = ref(0)

const columns = [
  {
    name: 'Name',
    dataIndex: 'name',
    key: 'name',
  },
  {
    title: 'Age',
    dataIndex: 'age',
    key: 'age',
  },
  {
    title: 'Address',
    dataIndex: 'address',
    key: 'address',
  },
  {
    title: 'Tags',
    key: 'tags',
    dataIndex: 'tags',
  },
  {
    title: 'Action',
    key: 'action',
  },
];
const data = [
  {
    key: '1',
    name: 'John Brown',
    age: 32,
    address: 'New York No. 1 Lake Park',
    tags: ['nice', 'developer'],
  },
  {
    key: '2',
    name: 'Jim Green',
    age: 42,
    address: 'London No. 1 Lake Park',
    tags: ['loser'],
  },
  {
    key: '3',
    name: 'Joe Black',
    age: 32,
    address: 'Sidney No. 1 Lake Park',
    tags: ['cool', 'teacher'],
  },
];
</script>

<template>

<a-table :columns="columns" :data-source="data">
    <template #headerCell="{ column }">
      <template v-if="column.key === 'name'">
        <span>
          <smile-outlined />
          Name
        </span>
      </template>
    </template>

    <template #bodyCell="{ column, record }">
      <template v-if="column.key === 'name'">
        <a>
          {{ record.name }}
        </a>
      </template>
      <template v-else-if="column.key === 'tags'">
        <span>
          <a-tag
            v-for="tag in record.tags"
            :key="tag"
            :color="tag === 'loser' ? 'volcano' : tag.length > 5 ? 'geekblue' : 'green'"
          >
            {{ tag.toUpperCase() }}
          </a-tag>
        </span>
      </template>
      <template v-else-if="column.key === 'action'">
        <span>
          <a>Invite 一 {{ record.name }}</a>
          <a-divider type="vertical" />
          <a>Delete</a>
          <a-divider type="vertical" />
          <a class="ant-dropdown-link">
            More actions
            <down-outlined />
          </a>
        </span>
      </template>
    </template>
  </a-table>
</template>

<style scoped>
</style>

<!--index.vue-->

<script setup>
import { ref } from 'vue'
import Table from './components/Table.vue'
import Calender from './components/Calender.vue'

let table = ref(true)
let calender = ref(false)

const changeTa = ()=>{
  table.value = true
  calender.value = false
}


const changeCa = ()=>{
  calender.value = true
  table.value = false
}
</script>

<template>
  <a-button type="primary" v-if="table" @click="changeCa">日历视图</a-button>
  <a-button type="primary" v-if="calender" @click="changeTa">表格视图</a-button>
  <Table v-if="table"></Table>
  <Calender v-if="calender"></Calender>
</template>

<style scoped>
</style>

效果：

在路由地址未变化的情况下试下组件的切换。

Vue 的 元素实现

子组件内容不变，父组件实现方式改变，如下：

<!--index.vue-->
<script setup>
import { ref } from 'vue'
import Table from './components/Table.vue'
import Calender from './components/Calender.vue'
let tableView = ref('Table')
let tableName = ref('日历视图')

const changeTa = ()=>{
  tableView.value = 'Table'
}

const tabs = {
  Table,
  Calender,
}


const changeView = ()=>{
  if (tableView.value === 'Table'){
    tableView.value = 'Calender'
    tableName.value = '表格视图'
  }else{
    tableView.value = 'Table'
    tableName.value = '日历视图'
  }
  
}
</script>

<template>
  <a-button type="primary" @click="changeView">{{ tableName }}</a-button> 
  <component :is="tabs[tableView]"></component>
</template>

<style scoped>
</style>

这种方式是组件的动态渲染，接下来是路由实现组件的切换。

<RouterLink>和<RouterView>路由实现

路由必须是全局的在整个路由生命周期都可以使用，并且路由需要作为插件注册到vue实例中。

• 定义路由规则

import { createMemoryHistory, createRouter } from 'vue-router'
import Table from '../components/Table.vue'
import Calender from '../components/Calender.vue'
const routes = [
{ path: '/calender', component: Table },
{ path: '/table', component: Calender },
]
  
const router = createRouter({
history: createMemoryHistory(),
routes,
})

export {
    router,
}

• main.js注册路由实例

import { createApp } from 'vue'
import './style.css'
import App from './App.vue'

import Antd from 'ant-design-vue';
import 'ant-design-vue/dist/reset.css';

// 路由
import {router } from './router/router.js'
const app = createApp(App)

app.use(router)

app.use(Antd).mount('#app')

• 路由渲染组件

<template>
  <RouterLink to="/calender">日历视图</RouterLink>
  <br>
  <RouterLink to="/table">表格视图</RouterLink>

  <RouterView />
</template>

效果

这种标签式的路由渲染组件路由地址也是不变的，相当于动态组件。

编程式渲染组件

仍然需要定义路由规则和上一节一样。

<!--index.vue-->

<script setup>
import { ref } from 'vue'
import { useRouter,useRoute } from 'vue-router'

let router = useRouter()

const changeTable = function() {
  router.push({path: '/table'})
}

const changeCalender = function() {
  router.push({path: '/calender'})
}

</script>

<template>

  <a-button type="primary" @click="changeCalender">日历视图</a-button>
  <br>
  <a-button type="primary" @click="changeTable">表格视图</a-button>

  <RouterView />
</template>

<style scoped>
</style>

效果：