需求:顶部导航栏效果图:wxml:!--导航条-- view class="navbar" text wx:for="{{navbar}}" data-idx="{{index}}" class="item {{currentTab==index ? 'active' : ''}}" wx:key ...
需求:顶部导航栏
效果图:
wxml:
<!--导航条-->
<viewclass="navbar">
<textwx:for="{{navbar}}"data-idx="{{index}}"class="item {{currentTab==index ? 'active' : ''}}"wx:key="unique"bindtap="navbarTap">{{item}}</text>
</view>
<!--首页-->
<viewhidden="{{currentTab!==0}}">
tab_01
</view>
<!--搜索-->
<viewhidden="{{currentTab!==1}}">
tab_02
</view>
<!--我-->
<viewhidden="{{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
})
}
})
运行: