<view class="list-wrapper">
<view class="list-top">
<view data-num="1" class="list-menu list-menu1 {{_num==1?‘cur‘:‘‘}}" bindtap="menuClick">头条</view>
<view data-num="2" class="list-menu list-menu2 {{_num==2?‘cur‘:‘‘}}" bindtap="menuClick">活动</view>
<view data-num="3" class="list-menu list-menu3 {{_num==3?‘cur‘:‘‘}}" bindtap="menuClick">公告</view>
</view>
</view>
点击事件
menuClick:function(e){
this.setData({
_num:...
})
},