1.wxml中
<view class="column">
<view class="body-view {{num==1?\'active\':\'\'}}" bindtap="bindChoice" data-num=\'1\'>推荐</view>
<view class="body-view {{num==2?\'active\':\'\'}}" bindtap="bindChoice" data-num=\'2\'>热门</view>
<view class="body-view {{num==3?\'active\':\'\'}}" bindtap="bindChoice" data-num=\'3\'>分类</view>
</view>
2.js中
data{
num:1
}
bindChoice:function(e){
console.log(e);
this.setData({
num:e.target.dataset.num
})
}