<view class="swiper-tab">
 <view class="swiper-tab-item {{currentTab==0 ? 'on' : ''}}" data-current="0" bindtap="swichNav">為你推薦</view>
 <view class="swiper-tab-item {{currentTab==1 ? 'on' : ''}}" data-current="1" bindtap="swichNav">新品上架</view>
 <view class="swiper-tab-item {{currentTab==2 ? 'on' : ''}}" data-current="2" bindtap="swichNav">最熱商品</view>
</view>
<swiper current="{{currentTab}}" class="swiper-box" duration="300" style="height:{{clientHeight?clientHeight-'40'+'px':'auto'}}" bindchange="bindChange" >
 <swiper-item>
 <scroll-view scroll-y="{{true}}" style="height: {{clientHeight?clientHeight+'px':'auto'}}">
 <view style='height:200px'>為你推薦</view>
 <view style='height:200px'>為你推薦</view>
 <view style='height:200px'>為你推薦</view>
 <view style='height:200px'>為你推薦</view>
 <view style='height:200px'>為你推薦</view>
 </scroll-view>
 </swiper-item>
 <swiper-item>
 <view>新品上架</view>
 </swiper-item>
 <swiper-item>
 <view>最熱商品</view>
 </swiper-item>
</swiper>

/**index.wxss**/
.userinfo {
 display: flex;
 flex-direction: column;
 align-items: center;
}
.userinfo-avatar {
 width: 128rpx;
 height: 128rpx;
 margin: 20rpx;
 border-radius: 50%;
}
.userinfo-nickname {
 color: #aaa;
}
.usermotto {
 margin-top: 200px;
}
.swiper-tab {
 width: 100%;
 text-align: center;
 line-height: 80rpx;
 margin-top:10rpx;
 margin-bottom: 20rpx;
}
.swiper-tab-item {
 font-size: 30rpx;
 display: inline-block;
 width: 33.33%;
 color: #666;
}
.on {
 color: #FEA611;
 border-bottom: 5rpx solid #FEA611;
}
.swiper-box {
 display: block;
 height: 100%;
 width: 100%;
 overflow: hidden;
}
.swiper-box view {
 text-align: center;
}

//獲取應用實例
const app = getApp()
Page({
 data: {
 motto: 'Hello World',
 userInfo: {},
 hasUserInfo: false,
 canIUse: wx.canIUse('button.open-type.getUserInfo'),
 clientWidth: 0,
 clientHeight: 0,
 // tab切換
 currentTab: 0
 },
 //事件處理函數
 bindViewTap: function () {
 wx.navigateTo({
 url: '../logs/logs'
 })
 },
 onLoad: function () {
 var that = this;
 wx.getSystemInfo({
 success: function (res) {
 that.setData({
 clientHeight: res.windowHeight
 });
 }
 });
 if (app.globalData.userInfo) {
 this.setData({
 userInfo: app.globalData.userInfo,
 hasUserInfo: true
 })
 } else if (this.data.canIUse) {
 // 由于 getUserInfo 是網絡請求，可能會在 Page.onLoad 之后才返回
 // 所以此處加入 callback 以防止這種情況
 app.userInfoReadyCallback = res => {
 this.setData({
 userInfo: res.userInfo,
 hasUserInfo: true
 })
 }
 } else {
 // 在沒有 open-type=getUserInfo 版本的兼容處理
 wx.getUserInfo({
 success: res => {
 app.globalData.userInfo = res.userInfo
 this.setData({
 userInfo: res.userInfo,
 hasUserInfo: true
 })
 }
 })
 }
 },
 getUserInfo: function (e) {
 console.log(e)
 app.globalData.userInfo = e.detail.userInfo
 this.setData({
 userInfo: e.detail.userInfo,
 hasUserInfo: true
 })
 },
 bindChange: function (e) {
 var that = this;
 that.setData({ currentTab: e.detail.current });
 },
 swichNav: function (e) {
 var that = this;
 if (this.data.currentTab === e.target.dataset.current) {
 return false;
 } else {
 that.setData({
 currentTab: e.target.dataset.current
 })
 }
 }
})