### 手动面包屑

``` html
<u-crumb :icon="false">
    <u-crumb-item icon="home"><u-text text="主页面"></u-text></u-crumb-item>
    <u-crumb-item icon="user"><u-text text="一级子页面"></u-text></u-crumb-item>
    <u-crumb-item icon="task"><u-text text="二级子页面"></u-text></u-crumb-item>
</u-crumb>
```

### 自动面包屑

``` html
<u-crumb auto></u-crumb>
```

### 图标面包屑

``` html
<u-crumb icon>
    <u-crumb-item icon="home"><u-text text="主页面"></u-text></u-crumb-item>
    <u-crumb-item icon="user"><u-text text="一级子页面"></u-text></u-crumb-item>
    <u-crumb-item icon="task"><u-text text="二级子页面"></u-text></u-crumb-item>
</u-crumb>
```