小程序的tab标签实现效果

swiper制作tab切换

index.html

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"swiper-tab" >
  "swiper-tab-list {{currentTab==0 ? 'on' : ''}}" data-current= "0" bindtap= "swichNav" >Seside1
  "swiper-tab-list {{currentTab==1 ? 'on' : ''}}" data-current= "1" bindtap= "swichNav" >Seside2
  "swiper-tab-list {{currentTab==2 ? 'on' : ''}}" data-current= "2" bindtap= "swichNav" >Seside3
"{{currentTab}}" class= "swiper-box" duration= "300" style= "height:{{winHeight - 31}}px" bindchange= "bindChange" >
 
   Seside1
 
 
   Seside2
 
 
   Seside3
 

index.css

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.swiper-tab{
   width: 100%;
   border-bottom: 2rpx solid #777777;
   text-align: center;
   line-height: 80rpx;
}
.swiper-tab-list{
   font-size: 30rpx;
   display: inline-block;
   width: 20%;
   color: #777777;
}
.on{
   color: #da7c0c;
   border-bottom: 5rpx solid #da7c0c;
}
.swiper-box{
   display: block;
   height: 100%;
   width: 100%;
   overflow: hidden;
  }
.swiper-box view{
   text-align: center;
}

index.js

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//index.js
//获取应用实例
var app = getApp()
Page( {
  data: {
   // 页面配置 
   winWidth: 0,
   winHeight: 0,
   // tab切换
   currentTab: 0,
  },
  onLoad: function () {
   var that = this ;
   // 获取系统信息
   wx.getSystemInfo( {
    success: function ( res ) {
     that.setData( {
      winWidth: res.windowWidth,
      winHeight: res.windowHeight
     });
    }
   });
  },
  // 滑动切换tab
  bindChange: function ( e ) {
   var that = this ;
   that.setData( { currentTab: e.detail.current });
  },
  // 点击tab切换
  swichNav: function ( e ) {
   var that = this ;
   if ( this .data.currentTab === e.target.dataset.current ) {
    return false ;
   } else {
    that.setData( {
     currentTab: e.target.dataset.current
    })
   }
  }
}) 

 

 

 

 

来源:http://www.jb51.net/article/103803.htm

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