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  • 微信小程序swiper,scroll-view和touch混用

    html

    <view class="nav-top">
       <view  class="nav-top-div1 {{currentView==0?'active':''}}" data-typeCurrent='0' bindtap="bindtap">视频</view>
       <view  class="nav-top-div2 {{currentView==1?'active':''}}" data-typeCurrent='1' bindtap="bindtap">推荐</view>
       <view  class="nav-top-div3 {{currentView==2?'active':''}}" data-typeCurrent='2' bindtap="bindtap">直播</view>
    </view>
    <view class="cont">
      <view class='mian'  animation="{{animation}}">
      <view class="mian-div1"  bindtouchstart="touchStart"  bindtouchend="touchEnd">
        <swiper class="swiper2" vertical="true" >
          <block wx:for="{{background1}}" wx:key="*this">
            <swiper-item>
              <view class="swiper-item {{item}}">{{item}}</view>
            </swiper-item>
          </block>
        </swiper>
      </view>
      <view class="mian-div2">
        <swiper class="swiper2" bindchange='bindchange' bindanimationfinish='bindanimationfinish' current="{{page2current}}">
          <block wx:for="{{background}}" wx:key="*this">
            <swiper-item>
              <view class="swiper-item {{item}}">{{item}}</view>
            </swiper-item>
          </block>
        </swiper>
      </view>
      <view class="mian-div3" bindtouchstart="touchStart"  bindtouchend="touchEnd">
        <scroll-view  scroll-y="true" style="height:100%" >
          <view id="demo1" class="scroll-view-item demo-text-1">2</view>
          <view id="demo2"  class="scroll-view-item demo-text-2">3</view>
          <view id="demo3" class="scroll-view-item demo-text-3">4</view>
        </scroll-view>
      </view>
    </view>
    </view>
    

     JS

    // pages/swiper/index.js
    import tool from '../../utils/tool.js'
    Page({
    
      /**
       * 页面的初始数据
       */
      data: {
        currentView:0,//默认显示第一个第div
        background1: ['视频模块div1', '视频模块div2', '视频模块div3'],
        background: ['demo-text-1', 'demo-text-2', 'demo-text-3'],
        page2current:0,//默认swiperitem
        isTotouch:0,
        animation:''
      },
    
      /**
       * 生命周期函数--监听页面加载
       */
      onLoad: function (options) {
        this.animation = wx.createAnimation({
          duration: 500,
          timingFunction: "ease",
          delay: 0
        })
      },
     
      bindchange(e){
        const {current, source}=e.detail;
        this.setData({
          page2current:current
        })
      },
      bindanimationfinish(e){
        if(this.data.page2current==2){
          if(this.data.isTotouch==4){
            var animation=this.animation;
            this.animation.left('-'+2*100+'vw').step()
            this.setData({
              currentView:2,
              animation: animation.export()
            })
          
          }else{
            this.setData({
              isTotouch:4
            })
          }
        }else if(this.data.page2current==0){
            if(this.data.isTotouch==-1){
              var animation=this.animation;
              this.animation.left(0).step()
              this.setData({
                currentView:0,
                animation: animation.export()
              })
             
            }else{
              this.setData({
                isTotouch:-1
              })
            }
        }
      },
      touchStart(event) {
        this.startPageX = event.changedTouches[0].pageX;
        this.startPageY = event.changedTouches[0].pageY;
      },
      touchEnd(event) {
        let currentX = event.changedTouches[0].pageX;
        let currentY = event.changedTouches[0].pageY;
        let tx = currentX - this.startPageX;
        let ty = currentY - this.startPageY;
        const maxPage = 2;
        let currentView=this.data.currentView;
        //左右方向滑动
        if (Math.abs(tx) > Math.abs(ty)) {
          if (tx < 0) {//向左滑动
            currentView = currentView !== maxPage ? currentView+ 1 : maxPage;
          }else if (tx > 0) { //向右滑动
            currentView = currentView !== 0 ? currentView - 1 : 0;
          }
          var animation=this.animation;
          this.animation.left('-'+currentView*100+'vw').step()
          this.setData({
            currentView:currentView,
            animation: animation.export()
          });
        }else {
          if (ty < 0){ //向上滑动"
          } else if (ty > 0) { //向下滑动
          }
        }
        //将当前坐标进行保存以进行下一次计算
        this.startPageX = currentX;
        this.startPageY = currentY;
      },
      bindtap(event){
        const type=Number(event.currentTarget.dataset.typecurrent);
        var animation=this.animation;
        this.animation.left('-'+type*100+'vw').step()
        this.setData({
          currentView:type,
          animation:animation.export()
        })
      },
    
      /**
       * 生命周期函数--监听页面初次渲染完成
       */
      onReady: function () {
    
      },
    
      /**
       * 生命周期函数--监听页面显示
       */
      onShow: function () {
    
      },
    
      /**
       * 生命周期函数--监听页面隐藏
       */
      onHide: function () {
    
      },
    
      /**
       * 生命周期函数--监听页面卸载
       */
      onUnload: function () {
    
      },
    
      /**
       * 页面相关事件处理函数--监听用户下拉动作
       */
      onPullDownRefresh: function () {
    
      },
    
      /**
       * 页面上拉触底事件的处理函数
       */
      onReachBottom: function () {
    
      },
    
      /**
       * 用户点击右上角分享
       */
      onShareAppMessage: function () {
    
      }
    })
    

      CSS

    .mian{
      position: absolute;
      height: 100%;
      left:0;
      top:0;
       2260rpx;
    }
    .mian-div1{
       100vw;
      height: 100vh;
      background-color: #00ff00;
      float: left;
    }
    .mian-div2{
       100vw;
      height: 100vh;
      background-color: #00ff00;
      float: left;
    }
    .mian-div3{
       100vw;
      height: 100vh;
      background-color: #00ff00;
      float: left;
    }
    .swiper2{
       100%;
      height: 100%;
    }
    .nav-top{
      position: absolute;
      top:20px;
      display: flex;
       500rpx;
      left:0;
      z-index: 1;
    }
    .nav-top-div1,.nav-top-div2,.nav-top-div3{
      flex:1;
      font-size: 30rpx;
      text-align: center;
      color:#000;
    }
    .nav-top-div1.active{
      color:#ff0000;
    }
    .nav-top-div2.active{
      color:#ff0000;
    }
    .nav-top-div3.active{
      color:#ff0000;
    }
    .swiper-item{
      text-align: center;
       100%;
      padding-top:300rpx;
      font-size: 40rpx;
    }
    .scroll-view-item{
      height: 600rpx;
    }
    .cont{
       100vw;
      height: 100vh;
      position: relative;
      overflow: hidden;
    }
    

      

     

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  • 原文地址:https://www.cnblogs.com/binmengxue/p/15273237.html
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