0

    微信小程序实现运动步数排行功能(可删除)

    2023.06.23 | admin | 106次围观

    效果图如下所示

    wxml

    
     
      
       
       
       {{item.rank}}
       
         {{item.name}}
       
      
         {{item.pace}}
        
       
       
       
       
       删除
      
     
    

    wxss

    微信小程序实现运动步数排行功能(可删除)

    /* pages/leftSwiperDel/index.wxss */
    view{
      box-sizing: border-box;
    }
    .item-box{
      width: 700rpx;
      margin: 0 auto;
      padding:40rpx 0;
    }
    .items{
      width: 100%;
    }
    .item{
      position: relative;
      border-top: 2rpx solid #eee;
      height: 120rpx;
      line-height: 120rpx;
      overflow: hidden;
       
    }
    .item:last-child{
      border-bottom: 2rpx solid #eee;
    }
    .inner{
      position: absolute;
      top:0;
    }
    .inner.txt{
      background-color: #fff;
      width: 100%;
      z-index: 5;
      padding:0 10rpx;
      transition: left 0.2s ease-in-out;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .inner.del{
      background-color: #e64340;
      width: 180rpx;text-align: center;
      z-index: 4;
      right: 0;
      color: #fff
    }
    .item-icon{
      width: 64rpx;
      height: 64rpx;
      vertical-align: middle;
      margin-right: 16rpx;
      margin-left:13px;
      border-radius:50%;
    }
    .item-data{
     float: right;
     margin-right:5%;}
    .rankpace{
     color: #fa7e04;
    }

    js

    // pages/leftSwiperDel/index.js
    Page({
     data: {
      delBtnWidth: 180//删除按钮宽度单位(rpx)
     },
     onLoad: function (options) {
      // 页面初始化 options为页面跳转所带来的参数
      this.initEleWidth();
      this.tempData();
     },
     onReady: function () {
      // 页面渲染完成
     },
     onShow: function () {
      // 页面显示
     },
     onHide: function () {
      // 页面隐藏
     },
     onUnload: function () {
      // 页面关闭
     },
     touchS: function (e) {
      if (e.touches.length == 1) {
       this.setData({
        //设置触摸起始点水平方向位置
        startX: e.touches[0].clientX
       });
      }
     },
     touchM: function (e) {
      if (e.touches.length == 1) {
       //手指移动时水平方向位置
       var moveX = e.touches[0].clientX;
       //手指起始点位置与移动期间的差值
       var disX = this.data.startX - moveX;
       var delBtnWidth = this.data.delBtnWidth;
       var txtStyle = "";
       if (disX == 0 || disX < 0) {//如果移动距离小于等于0,文本层位置不变
        txtStyle = "left:0px";
       } else if (disX > 0) {//移动距离大于0,文本层left值等于手指移动距离
        txtStyle = "left:-" + disX + "px";
        if (disX >= delBtnWidth) {
         //控制手指移动距离最大值为删除按钮的宽度
         txtStyle = "left:-" + delBtnWidth + "px";
        }
       }
       //获取手指触摸的是哪一项
       var index = e.target.dataset.index;
       var list = this.data.list;
       list[index].txtStyle = txtStyle;
       //更新列表的状态
       this.setData({
        list: list
       });
      }
     },
     touchE: function (e) {
      if (e.changedTouches.length == 1) {
       //手指移动结束后水平位置
       var endX = e.changedTouches[0].clientX;
       //触摸开始与结束,手指移动的距离
       var disX = this.data.startX - endX;
       var delBtnWidth = this.data.delBtnWidth;
       //如果距离小于删除按钮的1/2,不显示删除按钮
       var txtStyle = disX > delBtnWidth / 2 ? "left:-" + delBtnWidth + "px" : "left:0px";
       //获取手指触摸的是哪一项
       var index = e.target.dataset.index;
       var list = this.data.list;
       list[index].txtStyle = txtStyle;
       //更新列表的状态
       this.setData({
        list: list
       });
      }
     },
     //获取元素自适应后的实际宽度
     getEleWidth: function (w) {
      var real = 0;
      try {
       var res = wx.getSystemInfoSync().windowWidth;
       var scale = (750 / 2) / (w / 2);//以宽度750px设计稿做宽度的自适应
       // console.log(scale);
       real = Math.floor(res / scale);
       return real;
      } catch (e) {
       return false;
       // Do something when catch error
      }
     },
     initEleWidth: function () {
      var delBtnWidth = this.getEleWidth(this.data.delBtnWidth);
      this.setData({
       delBtnWidth: delBtnWidth
      });
     },
     //点击删除按钮事件
     delItem: function (e) {
      //获取列表中要删除项的下标
      var index = e.target.dataset.index;
      var list = this.data.list;
      //移除列表中下标为index的项
      list.splice(index, 1);
      //更新列表的状态
      this.setData({
       list: list
      });
     },
     //测试临时数据
     tempData: function () {
      var list = [
       {
        rank: "1",
        txtStyle: "",
        icon: "/images/my.png",
        name: "李飞",
        pace: "23456",
       },
       {
        rank: "2",
        txtStyle: "", 
        icon: "/images/my.png",
        name: "张叶",
        pace: "23450",
       },
       {
        rank: "3",
        txtStyle: "",
        icon: "/images/my.png",
        name: "王小婷",
        pace: "22345",
       },
       {
        rank: "4",
        txtStyle: "",
        icon: "/images/my.png",
        name: "袁经理",
        pace: "21687",
       },
       {
        rank: "5",
        txtStyle: "",
        icon: "/images/my.png",
        name: "陈雅婷",
        pace: "21680",
       },
       {
        rank: "6",
        txtStyle: "",
        icon: "/images/my.png",
        name: "许安琪",
        pace: "20890",
       },
       {
        rank: "7",
        txtStyle: "",
        icon: "/images/my.png",
        name: "里俊飞",
        pace: "20741",
       },
       {
        rank: "8",
        txtStyle: "",
        icon: "/images/my.png",
        name: "李小俊",
        pace: "19511",
       },
       {
        rank: "9",
        txtStyle: "",
        icon: "/images/my.png",
        name: "陈俊飞",
        pace: "19501",
       },]
      //
      this.setData({
       list: list
      });
     }
    })

    总结

    以上所述是小编给大家介绍的微信小程序实现运动步数排行功能(可删除),希望对大家有所帮助微信小程序组件传值微信小程序组件传值,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对三水点靠木网站的支持!

    版权声明

    本文仅代表作者观点。
    本文系作者授权发表,未经许可,不得转载。

    发表评论