src/components/tools/Breadcrumb.vue

<template>
  <a-breadcrumb class="breadcrumb">
    <a-breadcrumb-item v-for="(item, index) in breadList" :key="index">
      <router-link v-if="item.name != name" :to="{ path: item.path }">
        {{ item.meta.title }}
      </router-link>
      <span v-else>{{ item.meta.title }}</span>
    </a-breadcrumb-item>
  </a-breadcrumb>
</template>

<script>
export default {
  data () {
    return {
      name: '',
      breadList: []
    }
  },
  created () {
    this.getBreadcrumb()
  },
  methods: {
    getBreadcrumb () {
      console.log('this.$route.matched', this.$route.matched)

      this.breadList = []
      this.breadList.push({ name: 'index', path: '/dashboard/', meta: { title: '首页' } })

      this.name = this.$route.name
      this.$route.matched.forEach((item) => {
        // item.meta.name === 'dashboard' ? item.path = '/dashboard' : this.$route.path === item.path
        this.breadList.push(item)
      })
    }
  },
  watch: {
    $route () {
      this.getBreadcrumb()
    }
  }
}
</script>

<style scoped>

</style>