微信小程序开发之选项卡切换【转】

1、index.wxml

<!--index.wxml-->  

<view class="swiper-tab">  

 <view class="swiper-tab-list {{currentTab==0 ? 'on' : ''}}" data-current="0" bindtap="swichNav">哈哈</view>  

<view class="swiper-tab-list {{currentTab==1 ? 'on' : ''}}" data-current="1" bindtap="swichNav">呵呵</view>  

<view class="swiper-tab-list {{currentTab==2 ? 'on' : ''}}" data-current="2" bindtap="swichNav">嘿嘿</view>  

</view>  

<swiper current="{{currentTab}}" class="swiper-box" duration="300" style="height:{{winHeight - 31}}px" bindchange="bindChange">  

<!-- 我是哈哈 -->  

<swiper-item>  

<view>我是哈哈</view>  

</swiper-item>  

<!-- 我是呵呵 -->  

<swiper-item>  

<view>我是呵呵</view>  

</swiper-item>  

<!-- 我是嘿嘿 -->  

<swiper-item>  

<view>我是嘿嘿</view>  

</swiper-item>  

</swiper>

2\index.wxss

/**index.wxss**/
.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: 33.33%;
    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;
}

 

3\index.js

//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
      })
    }
  }
})