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效果圖
.wxml
<view class='tabBar'> <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; } .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) { animation.translate(0, 0).step(); that.setData({ animationData: animation.export() }) that.setData({ tabClick: e.detail.current }); } else if (index === 1) { var w = wx.getSystemInfoSync().windowWidth; w = w * 0.32 animation.translate(w, 0).step(); that.setData({ animationData: animation.export() }) that.setData({ tabClick: e.detail.current }); } else if(index === 2){ var w = wx.getSystemInfoSync().windowWidth; w = w * 0.65 animation.translate(w, 0).step(); that.setData({ animationData: animation.export() }) that.setData({ tabClick: e.detail.current }); } },
總結(jié)
以上所述是小編給大家介紹的微信小程序?qū)Ш綑诟S滑動(dòng)效果的實(shí)現(xiàn)代碼,希望對(duì)大家有所幫助,如果大家有任何疑問歡迎給我留言,小編會(huì)及時(shí)回復(fù)大家的!
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