微信小程序之顶部导航栏
wxml:
<!--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}}">
  tab_01
</view>
 
<!--热门-->
<view hidden="{{currentTab!==1}}">
  tab_02
</view>
 
<!--我的-->
<view hidden="{{currentTab!==2}}">
  tab_03
</view>
wxss:
page{
  display: flex;
  flex-direction: column;
  height: 100%;
}
.navbar{
  flex: none;
  display: flex;
  background: #fff;
}
.navbar .item{
  position: relative;
  flex: auto;
  text-align: center;
  line-height: 80rpx;
}
.navbar .item.active{
  color: #FFCC00;
}
.navbar .item.active:after{
  content: "";
  display: block;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4rpx;
  background: #FFCC00;
}
js:
var app = getApp()
Page({
  data: {
    navbar: ['首页', '热门', '我的'],
    currentTab: 0
  },
  navbarTap: function(e){
    this.setData({
      currentTab: e.currentTarget.dataset.idx
    })
  }
})
本文来自博客园,作者:BingeBlog,转载请注明原文链接:https://www.cnblogs.com/bingeblog/p/14772963.html

                
            
        
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