How to implement the WeChat mini program tab
This article mainly introduces the relevant information about the implementation method of the WeChat applet tab. I hope that everyone can realize such a function through this article. Friends in need can refer to
WeChat applet How to implement tabs
Foreword:
Students who are engaged in front-end will definitely be familiar with tabs, whether they are written by themselves or It is included in various UI frameworks. I think everyone has used many tabs and has a clear enough understanding of the principles of tabs. Now let’s implement the tab function in the WeChat applet.
The WeChat applet does not come with a tab component, but it does have a swiper component. Therefore, we use swiper to implement the tab function.
Look at the renderings first:
<view class="swiper-tab">
<view class="swiper-tab-item {{currentTab==0?'active':''}}" data-current="0" bindtap="clickTab">一</view>
<view class="swiper-tab-item {{currentTab==1?'active':''}}" data-current="1" bindtap="clickTab">二</view>
<view class="swiper-tab-item {{currentTab==2?'active':''}}" data-current="2" bindtap="clickTab">三</view>
</view>
<swiper current="{{currentTab}}" duration="300" bindchange="swiperTab">
<swiper-item><view>第一屏</view></swiper-item>
<swiper-item><view>第二屏</view></swiper-item>
<swiper-item><view>第三屏</view></swiper-item>
</swiper>var app=getApp()
Page({
data:{
currentTab:0
},
onLoad:function(options){
// 页面初始化 options为页面跳转所带来的参数
},
//滑动切换
swiperTab:function( e ){
var that=this;
that.setData({
currentTba:e.detail.current
});
},
//点击切换
clickTab: function( e ) {
var that = this;
if( this.data.currentTab === e.target.dataset.current ) {
return false;
} else {
that.setData( {
currentTab: e.target.dataset.current
})
}
}
})
.swiper-tab{
width: 100%;
border-bottom: 2rpx solid #ccc;
text-align: center;
height: 88rpx;
line-height: 88rpx;
font-weight: bold;
}
.swiper-tab-item{
display: inline-block;
width: 33.33%;
color:red;
}
.active{
color:aqua;
border-bottom: 4rpx solid red;
}The WeChat applet implements the function of selecting a city based on letters
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