Page Header 
If path of the page is simple, it is recommended to use PageHeader instead of the Breadcrumb.
Complete example 
Basic usage 
Standard page header, for simply scenarios.
Custom icon 
The default icon might not meet your satisfaction, you can customize the icon by setting icon attribute like the example.
No icon 
Sometimes the page is just full of elements, and you might not want the icon to show up on the page, you can set the icon attribute to "" to get rid of it.
Breadcrumbs 
Page header allows you to add breadcrumbs for giving route information to the users by breadcrumb slot.
Additional operation section 
The header can be as complicated as needed, you may add additional sections to the header, to allow rich interactions.
Main content 
Sometimes we want the head to show with some co-responding content, we can utilize the default slot for doing so.
Anatomy 
The component is consisted of these parts
<template>
  <el-page-header>
    <!-- Line 1 -->
    <template #breadcrumb />
    <!-- Line 2 -->
    <template #icon />
    <template #title />
    <template #content />
    <template #extra />
    <!-- Lines after 2 -->
    <template #default />
  </el-page-header>
</template>API 
Attributes 
| Name | Description | Type | Default | 
|---|---|---|---|
| icon | icon component of page header | string/Component | Back | 
| title | main title of page header, default is Back that built-in a11y | string | '' | 
| content | content of page header | string | '' | 
Events 
| Name | Description | Type | 
|---|---|---|
| back | triggers when right side is clicked | Function | 
Slots 
| Name | Description | 
|---|---|
| icon | content as icon | 
| title | content as title | 
| content | content | 
| extra | extra | 
| breadcrumb | content as breadcrumb | 
| default | main content | 
