微信小程序之顶部导航栏

时间:2021-05-24 12:04:59   收藏:0   阅读:0

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‘, ‘搜索‘, ‘我‘],
currentTab: 0
},
navbarTap: function(e){
this.setData({
currentTab: e.currentTarget.dataset.idx
})
}
})

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