最简单直接粗糙的话那就直接循环tag,单个取出就好了 <view wx:for="{{alist}}" wx:for-item="a" wx:for-index="cartIndex" wx:key="cartIndex"> <view>{{a.tag}}</view> <view wx:for="{{a.tag}}" wx:for-item="as" wx:for-index="aindex" wx:key="aindex" > <view wx:if="{{as !=','}}">{{as}}</view> </view> </view> [图片]