(精华)2020年7月18日 vue element-ui实现tab组件封装

<template>
  <el-table :data="list" border fit highlight-current-row style="width: 100%">
    <el-table-column
      v-loading="loading"
      align="center"
      label="ID"
      width="65"
      element-loading-text="请给我点时间！"
    >
      <template slot-scope="scope">
        <span>{{ scope.row.id }}</span>
      </template>
    </el-table-column>

    <el-table-column width="180px" align="center" label="Date">
      <template slot-scope="scope">
        <span>{{ scope.row.timestamp | parseTime('{y}-{m}-{d} {h}:{i}') }}</span>
      </template>
    </el-table-column>

    <el-table-column min-width="300px" label="Title">
      <template slot-scope="{row}">
        <span>{{ row.title }}</span>
        <el-tag>{{ row.type }}</el-tag>
      </template>
    </el-table-column>

    <el-table-column width="110px" align="center" label="Author">
      <template slot-scope="scope">
        <span>{{ scope.row.author }}</span>
      </template>
    </el-table-column>

    <el-table-column width="120px" label="Importance">
      <template slot-scope="scope">
        <svg-icon v-for="n in +scope.row.importance" :key="n" icon-class="star" />
      </template>
    </el-table-column>

    <el-table-column align="center" label="Readings" width="95">
      <template slot-scope="scope">
        <span>{{ scope.row.pageviews }}</span>
      </template>
    </el-table-column>

    <el-table-column class-name="status-col" label="Status" width="110">
      <template slot-scope="{row}">
        <el-tag :type="row.status | statusFilter">
          {{ row.status }}
        </el-tag>
      </template>
    </el-table-column>
  </el-table>
</template>

<script>
import { fetchList } from '@/api/article'

export default {
  filters: {
    statusFilter(status) {
      const statusMap = {
        published: 'success',
        draft: 'info',
        deleted: 'danger'
      }
      return statusMap[status]
    }
  },
  props: {
    type: {
      type: String,
      default: 'CN'
    }
  },
  data() {
    return {
      list: null,
      listQuery: {
        page: 1,
        limit: 5,
        type: this.type,
        sort: '+id'
      },
      loading: false
    }
  },
  created() {
    this.getList()
  },
  methods: {
    getList() {
      this.loading = true
      this.$emit('create') // for test
      fetchList(this.listQuery).then(response => {
        this.list = response.data.items
        this.loading = false
      })
    }
  }
}
</script>

<template>
  <div class="tab-container">
    <el-tag>mounted times ：{{ createdTimes }}</el-tag>
    <el-alert :closable="false" style="width:200px;display:inline-block;vertical-align: middle;margin-left:30px;" title="Tab with keep-alive" type="success" />
    <el-tabs v-model="activeName" style="margin-top:15px;" type="border-card">
      <el-tab-pane v-for="item in tabMapOptions" :key="item.key" :label="item.label" :name="item.key">
        <keep-alive>
          <tab-pane v-if="activeName==item.key" :type="item.key" @create="showCreatedTimes" />
        </keep-alive>
      </el-tab-pane>
    </el-tabs>
  </div>
</template>

<script>
import TabPane from './components/TabPane'

export default {
  name: 'Tab',
  components: { TabPane },
  data() {
    return {
      tabMapOptions: [
        { label: 'China', key: 'CN' },
        { label: 'USA', key: 'US' },
        { label: 'Japan', key: 'JP' },
        { label: 'Eurozone', key: 'EU' }
      ],
      activeName: 'CN',
      createdTimes: 0
    }
  },
  watch: {
    activeName(val) {
      this.$router.push(`${this.$route.path}?tab=${val}`)
    }
  },
  created() {
    // init the default selected tab
    const tab = this.$route.query.tab
    if (tab) {
      this.activeName = tab
    }
  },
  methods: {
    showCreatedTimes() {
      this.createdTimes = this.createdTimes + 1
    }
  }
}
</script>

<style scoped>
  .tab-container {
    margin: 30px;
  }
</style>