css组件使用问题?
[图片] <view class='pn'>导演: <block wx:for="{{item.directors}}" wx:for-item="director" wx:for-index="index"> <view wx:if="{{index==item.directors.length-1}}">{{director.name}}</view> <view wx:else="{{index!=item.directors.length-1}}">{{director.name}},</view> </block> 麻烦哪位大佬解决一下