小程序顶部选项卡 顶部导航

html

<!--导航条--> < view class= "navbar"> < text wx:for= "{{navbar}}" data-idx= "{{index}}" class= "item {{currentTab==index ? 'active' : ''}}" wx:key= "unique" bindtap= "navbarTap">{{item}} </ text > </ view > <!--首页--> < view hidden= "{{currentTab!==0}}"> 首页 </ view > <!--信息--> < view hidden= "{{currentTab!==1}}"> 信息 </ view >

css

page{ display: flex; flex-direction: column; height: 100%; } .navbar{ flex: none; display: flex; background: rgba( 0, 0, 0, 0.009 ); } .navbar .item{ position: relative; flex: auto; text-align: center; line-height: 80 rpx; } .navbar .item.active{ color: #FFCC00; } .navbar .item.active:after{ content: ""; display: block; position: absolute; bottom: 0; left: 0; right: 0; height: 4 rpx; background: #FFCC00; }

js

data: { navbar: [ '首页', '信息'], currentTab: 0 }, navbarTap: function (e) { this.setData({ currentTab: e.currentTarget.dataset.idx }) },