<view class="container">
<!-- tab导航栏 -->
<!-- scroll-left属性可以控制滚动条位置 -->
<!-- scroll-with-animation滚动添加动画过渡 -->
<scroll-view scroll-x="true" class="nav" scroll-left="{{navScrollLeft}}" scroll-with-animation="{{true}}">
<block wx:for="{{navData}}" wx:for-index="idx" wx:for-item="navItem" wx:key="idx">
<view class="nav-item {{currentTab == idx ?'active':''}}" data-current="{{idx}}" bindtap="switchNav">{{navItem.text}}</view>
</block>
</scroll-view>
<!-- 页面内容 -->
<swiper class="tab-box" current="{{currentTab}}" duration="300" bindchange="switchTab">
<swiper-item wx:for="{{[0,1,2,3,4,5,6,7,8]}}" wx:for-item="tabItem" wx:for-index="idx" wx:key="idx" class="tab-content">
{{tabItem}}
</swiper-item>
</swiper>
</view>
page{
width: 100%;
height: 100%;
}
.container{
width: 100%;
height: 100%;
}
.nav {
height: 80rpx;
width: 100%;
box-sizing: border-box;
overflow: hidden;
line-height: 80rpx;
background: #f7f7f7;
font-size: 16px;
white-space: nowrap;
position: fixed;
top: 0;
left: 0;
z-index: 99;
}
.nav-item {
width: 20%;
display: inline-block;
text-align: center;
}
.nav-item.active{
color: red;
}
.tab-box{
background: greenyellow;
padding-top: 80rpx;
height: 100%;
box-sizing: border-box;
}
.tab-content{
overflow-y: scroll;
}
const app = getApp()
Page({
data: {
motto: 'Hello World',
userInfo: {},
hasUserInfo: false,
canIUse: wx.canIUse('button.open-type.getUserInfo'),
navData: [
{
text: '首页'
},
{
text: '健康'
},
{
text: '情感'
},
{
text: '职场'
},
{
text: '育儿'
},
{
text: '纠纷'
},
{
text: '青葱'
},
{
text: '上课'
},
{
text: '下课'
}
],
currentTab: 0,
navScrollLeft: 0
},
//事件处理函数
onLoad: function () {
if (app.globalData.userInfo) {
this.setData({
userInfo: app.globalData.userInfo,
hasUserInfo: true
})
} else if (this.data.canIUse) {
// 由于 getUserInfo 是网络请求，可能会在 Page.onLoad 之后才返回
// 所以此处加入 callback 以防止这种情况
app.userInfoReadyCallback = res => {
this.setData({
userInfo: res.userInfo,
hasUserInfo: true
})
}
} else {
// 在没有 open-type=getUserInfo 版本的兼容处理
wx.getUserInfo({
success: res => {
app.globalData.userInfo = res.userInfo
this.setData({
userInfo: res.userInfo,
hasUserInfo: true
})
}
})
}
wx.getSystemInfo({
success: (res) => {
this.setData({
pixelRatio: res.pixelRatio,
windowHeight: res.windowHeight,
windowWidth: res.windowWidth
})
},
})
},
switchNav(event) {
var cur = event.currentTarget.dataset.current;
//每个tab选项宽度占1/5
var singleNavWidth = this.data.windowWidth / 5;
//tab选项居中
this.setData({
navScrollLeft: (cur - 2) * singleNavWidth
})
if (this.data.currentTab == cur) {
return false;
} else {
this.setData({
currentTab: cur
})
}
},
switchTab(event) {
var cur = event.detail.current;
var singleNavWidth = this.data.windowWidth / 5;
this.setData({
currentTab: cur,
navScrollLeft: (cur - 2) * singleNavWidth
});
}
})
