<template name=“items”>

    <view bindtap=“menuClick” id="{{id}}" class=“menuname menuitem__ {{activeId == id?‘active’:’’}}__” >{{menuname}}</view>

</template>

<view wx:for="{{menuList}}" class=“listMenu”>

<template is=“items” data="{{…item}}" bindtap=“menuClick”/>

</view>

menuClick:function(res){

    console.log(res.currentTarget.id);

    var that=this;

    this.setData({

activeId: res.currentTarget.id,

        menuitem:this.getHoverd(‘menuSelect’)

    })

}

//wxss:

.menuitem.active{

__    background-color: #aaa;__

}