1.如何使用？

<el-breadcrumb separator="/">
  <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
  <el-breadcrumb-item><a href="/">活动管理</a></el-breadcrumb-item>
  <el-breadcrumb-item>活动列表</el-breadcrumb-item>
  <el-breadcrumb-item>活动详情</el-breadcrumb-item>
</el-breadcrumb>

2.图标分隔符

<el-breadcrumb separator-class="el-icon-arrow-right">
  <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
  <el-breadcrumb-item>活动管理</el-breadcrumb-item>
  <el-breadcrumb-item>活动列表</el-breadcrumb-item>
  <el-breadcrumb-item>活动详情</el-breadcrumb-item>
</el-breadcrumb>