<template v-for="item in sliders">
<!-- 二级路由/三级路由 -->
<template v-if="item.children&&item.children.length>0">
<!-- 三级路由 -->
<template v-if="item.children[0].children&&item.children[0].children.length>0">
<el-submenu :index="item.path" :key="item.path">
<template slot="title">
<i :class="item.icon"></i>
<span>{{item.text}}</span>
</template>
<el-submenu :index="child.path" v-for="(child,index) in item.children" :key="index">
<template slot="title">
<i :class="child.icon"></i>
<span>{{child.text}}</span>
</template>
<el-menu-item
v-for="grandson in child.children"
:key="grandson.path"
:index="grandson.path"
@click="handlePush(grandson.path)"
>
<span>{{grandson.text}}</span>
</el-menu-item>
</el-submenu>
</el-submenu>
</template>
<!-- 二级路由 -->
<template v-else>
<el-submenu :index="item.path" :key="item.path">
<template slot="title">
<i :class="item.icon"></i>
<span slot="title">{{item.text}}</span>
</template>
<el-menu-item
v-for="child in item.children"
:key="child.path"
:index="child.path"
@click="handlePush(child.path)"
>
<span>{{child.text}}</span>
</el-menu-item>
</el-submenu>
</template>
</template>
<!-- 没有子标题 -->
<el-menu-item :index="item.path" :key="item.path" v-else @click="handlePush(item.path)">
<i :class="item.icon"></i>
<span>{{item.text}}</span>
</el-menu-item>
</template>
