• C#微信小程序滑动删除


     .wxml

     1     <!--滑动删除-->
     2     <view class="container">
     3         <view class="touch-item {{item.isTouchMove ? 'touch-move-active' : ''}}" data-index="{{index}}"
     4             bindtouchstart="touchstart" bindtouchmove="touchmove" wx:for="{{meg}}" wx:key="id">
     5             <view class="content">
     6                 <view><text decode="{{true}}">{{item.name}}&nbsp;&nbsp; {{item.phone}}</text></view>
     7                 <view class="addre">
     8                     <text class="adrclass" decode="{{true}}">详细地址&nbsp;&nbsp;{{item.xAdress}}</text>
     9                 </view>
    10             </view>
    11             <view class="del" catchtap="del" data-hi="{{item.id}}" data-index="{{index}}">删除</view>
    12             <view class="upt1" catchtap="upt1" data-hi="{{item.id}}" data-upt="{{item.id}}">编辑</view>
    13         </view>
    14     </view>
    15     <!--滑动删除-->

     .wxss

    .container {
      min-height: 100%;
      padding: 20rpx 0rpx;
      background-color:rgb(240, 240, 240);
    }
    
    .touch-item {
      font-size: 14px;
      display: flex;
      justify-content: space-between;
      border-bottom: 1px solid #ccc;
       100%;
      overflow: hidden
    }
    
    .content {
       100%;
      padding: 30px;
    
      line-height: 22px;
    
      margin-right: 0;
    
      -webkit-transition: all 0.4s;
    
      transition: all 0.4s;
    
      -webkit-transform: translateX(90px);
    
      transform: translateX(90px);
    
      margin-left: -90px
    }
    
    .del {
      background-color: orangered;
       90px;
    
      display: flex;
    
      flex-direction: column;
    
      align-items: center;
    
      justify-content: center;
    
      color: #fff;
    
      -webkit-transform: translateX(90px);
    
      transform: translateX(127px);
    
      -webkit-transition: all 0.4s;
    
      transition: all 0.4s;
    
    }
    
    
    .touch-move-active .content,
    
    .touch-move-active .del {
      -webkit-transform: translateX(0);
    
      transform: translateX(0);
    
    }
    
    .upt1 {
      background-color: rgb(137, 133, 150);
      
       90px;
      
      display: flex;
      
      flex-direction: column;
      
      align-items: center;
      
      justify-content: center;
      
      color: #fff;
      
      -webkit-transform: translateX(90px);
      
      transform: translateX(90px);
      
      -webkit-transition: all 0.4s;
      
      transition: all 0.4s;
      
      }
      .touch-move-active .upt1 {
        -webkit-transform: translateX(0);
      
        transform: translateX(0);
      
      }
    .wxss

    .js

    Page({
      //滑动删除
      onLoad: function (e) {
        var that = this;
        //common是自己写的公共JS方法,可忽略
        common.sys_main(app, that, e);
        for (var i = 0; i < 10; i++) {
        this.data.meg.push({
        content: i + " 向左滑动删除哦,向左滑动删除哦,向左滑动删除哦,向左滑动删除哦,向左滑动删除哦",
        isTouchMove: false //默认隐藏删除
        })
        }
        this.setData({
        meg: this.data.meg
        });
        }
        ,
        //手指触摸动作开始 记录起点X坐标
        touchstart: function (e) {
        //开始触摸时 重置所有删除
        this.data.meg.forEach(function (v, i) {
        if (v.isTouchMove)//只操作为true的
        v.isTouchMove = false;
        })
        this.setData({
        startX: e.changedTouches[0].clientX,
        startY: e.changedTouches[0].clientY,
        meg: this.data.meg
        })
        },
        //滑动事件处理
        touchmove: function (e) {
        var that = this,
        index = e.currentTarget.dataset.index,//当前索引
        startX = that.data.startX,//开始X坐标
        startY = that.data.startY,//开始Y坐标
        touchMoveX = e.changedTouches[0].clientX,//滑动变化坐标
        touchMoveY = e.changedTouches[0].clientY,//滑动变化坐标
        //获取滑动角度
        angle = that.angle({ X: startX, Y: startY }, { X: touchMoveX, Y: touchMoveY });
        that.data.meg.forEach(function (v, i) {
        v.isTouchMove = false
        //滑动超过30度角 return
        if (Math.abs(angle) > 30) return;
        if (i == index) {
        if (touchMoveX > startX) //右滑
        v.isTouchMove = false
        else //左滑
        v.isTouchMove = true
        }
        })
        //更新数据
        that.setData({
        meg: that.data.meg
        })
        },
        /**
        * 计算滑动角度
        * @param {Object} start 起点坐标
        * @param {Object} end 终点坐标
        */
        angle: function (start, end) {
        var _X = end.X - start.X,
        _Y = end.Y - start.Y
        //返回角度 /Math.atan()返回数字的反正切值
        return 360 * Math.atan(_Y / _X) / (2 * Math.PI);
        },
    .js

    最近新研究微信小程序,希望大佬多多指教!也希望可以帮助到各位哦

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  • 原文地址:https://www.cnblogs.com/zhaoben/p/13820913.html
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