微信小程序有个属性hover-class='active',是指当点击列表元素时当按下鼠标左键会显示active样式,但是鼠标离开样式就会复原.可以参考以下解决方案,直接上代码:
wxml:
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<view class="taga"> <view class="tag-title">标签</view> <view class="tag-box"> <view wx:for="{{taga}}" wx:key="id" wx:for-index="i"> <view class="taga-item {{currentItem==item.id?'active-tag':''}}" data-id="{{item.id}}" bindtap="tagChoose">{{item.name}}</view> </view> </view> </view> |
js文件:
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tagChoose:function(options){var that = thisvar id = options.currentTarget.dataset.id;console.log(id)//设置当前样式that.setData({'currentItem':id})} |
核心点:class=”taga-item {{dateCurrent==item.id?'active-tag':”}}”模板文件中使用三元运算符,通过dateCurrent指定当前item的id