<view class='tabItem wx:if="{{tabClick===0?"click":""}}"' bindtap='clickTab' data-index='0'>tab1</view>
<view class='tabItem wx:if="{{tabClick===1?"click":""}}"' bindtap='clickTab' data-index='1'>tab2 </view>
<view class='tabItem wx:if="{{tabClick===2?"click":""}}"' bindtap='clickTab' data-index='2'>tab3 </view>
<view class='underline' animation="{{animationData}}" style='left:{{isLeft}}'></view>
</view>
.wxss
.tabBar{
height: 80rpx;
background-color:#50B7EA;
width: 100%;
font-size: 28rpx;
color: rgba(255,255,255,0.50);
position: fixed;
top: 0;
left: 0;
display: flex;
justify-content: center;
align-items: center;
z-index: 997;
}
.tabItem{
width: 33.333%;
display: flex;
align-content: center;
justify-content: center;
position: relative;
height: 100%;
font-size: 28rpx;
js导航栏下拉菜单}
.click{
color: white;
}
.underline{
position: absolute;
content: '';
width: 84rpx;
height: 3px;
background-color:white;
bottom: 0;
}
.js
data:{
tabClick: 0,
animationData: {},
isLeft: '12%'
},
swiperTab: function (e) {
var that = this;
var index = e.detail.current
console.log(e.detail.current)
var animation = wx.createAnimation({
duration: 1000,
timingFunction: "ease",
})
this.animation = animation
if (index === 0) {
that.setData({
animationData: port()
})
that.setData({
tabClick: e.detail.current
});
} else if (index === 1) {
var w = wx.getSystemInfoSync().windowWidth;
w = w * 0.32
that.setData({
animationData: port()
})
that.setData({
tabClick: e.detail.current
});
} else if(index === 2){
var w = wx.getSystemInfoSync().windowWidth;
w = w * 0.65
that.setData({
animationData: port()
})
that.setData({
tabClick: e.detail.current
});
}
},
总结
以上所述是⼩编给⼤家介绍的⼩程序导航栏跟随滑动效果的实现代码，希望对⼤家有所帮助，如果⼤家有任何疑问欢迎给我留⾔，⼩编会及时回复⼤家的！
版权声明：本站内容均来自互联网，仅供演示用，请勿用于商业和其他非法用途。如果侵犯了您的权益请与我们联系QQ:729038198，我们将在24小时内删除。
豫公网安备41160202000602
发表评论