小程序实现侧滑删除功能

2024-04-02 19:04:59 340人浏览独家记忆

摘要

本文实例为大家分享了小程序实现侧滑删除的具体代码，供大家参考，具体内容如下 1.页面布局 <view class='dialogue-box'> <sc

本文实例为大家分享了小程序实现侧滑删除的具体代码，供大家参考，具体内容如下

1.页面布局

<view class='dialogue-box'>
      <scroll-view scroll-y="true" style="height:{{winHeight-50}}px">
        <view class='top-list'>
          <view class='standard_text1'>#</view>
          <view class='standard_text2'>积分项目</view>
          <view class='standard_text3'>标准分</view>
          <view class='standard_text4' bindtap='AddIntegrationProject'>
            <view class='standard_btn'>+</view>
          </view>
        </view>
        <view wx:if="{{lists.length>0}}">
          <view class='top-list'>
            <view wx:for="{{lists}}" wx:key="{{index}}" class='main_item'>
              <view bindtouchstart="touchS" bindtouchmove="touchM" bindtouchend="touchE" data-index='{{index}}' style="{{item.txtStyle}}" class="inner txt">
                <view class='standard_text1'>{{index+1}}</view>
                <view class='standard_text2'>{{item.itemName}}</view>
                <view class='standard_text3'>{{item.score}}分</view>
                <view class='standard_text4'>
                  <image class='standard_icon' bindtap='editStanderClick' data-item='{{item}}' src='{{BaseURL}}uploadFile/groupImages/edit-h2.png'></image>
                </view>
              </view>
              <view data-index="{{index}}" bindtap='delectOrganizationTeamScoreStandard' data-id='{{item.ID}}' class="inner del">删除</view>
            </view>
          </view>
        </view>
        <view class='No-data' wx:else>
          <image src='{{BaseURL}}uploadFile/groupImages/No-data.png'></image>
          <view class='No-text'>亲！暂无您的上月积分记录！</view>
        </view>
      </scroll-view>
</view>

2.样式


 
.standard_text1 {
  height: 80rpx;
  line-height: 80rpx;
  float: left;
  width: 60rpx;
  font-size: 28rpx;
  color: #3b3c42;
  padding-left: 30rpx;
}
 
.standard_text2 {
  line-height: 80rpx;
  float: left;
  width: 380rpx;
  font-size: 28rpx;
  color: #3b3c42;
}
 
.standard_text3 {
  height: 80rpx;
  line-height: 80rpx;
  float: left;
  width: 130rpx;
  font-size: 28rpx;
  color: #3b3c42;
}
 
.standard_text4 {
  height: 80rpx;
  line-height: 80rpx;
  float: left;
  width: 140rpx;
  font-size: 28rpx;
  color: #3b3c42;
}
 
.standard_btn {
  height: 50rpx;
  line-height: 50rpx;
  float: left;
  border: 1px solid #3891f8;
  color: #3891f8;
  width: 50rpx;
  text-align: center;
  font-size: 36rpx;
  border-radius: 60px;
  margin-top: 10rpx;
   margin-left: 60rpx;
}
 
.standard_icon {
  height: 60rpx;
  width: 60rpx;
  margin-top: 8rpx;
  float: left;
  margin-left: 55rpx;
}
 

.main_item {
  float: left;
  width: 100%;
  background-color: #fff;
  position: relative;
  overflow: hidden;
  height: 40px;
  line-height: 40px;
}
.inner {
  position: absolute;
  top: 0;
  width: 100%;
  line-height: 80rpx;
  height: 80rpx;
  float: left;
}
 
.inner.txt {
  background-color: #fff;
  width: 100%;
  z-index: 5;
  transition: left 0.2s ease-in-out;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
 
.inner.del {
  background-color: #e64340;
  width: 150rpx;
  text-align: center;
  z-index: 4;
  right: 0;
  color: #fff;
}

3.js

var app = getApp();
Page({
 
  
  data: {
    currentTab: 0,
    BaseURL: app.globalData.BaseURL, //图片后台
    mDate: '',
 
    delBtnWidth: 180 //删除按钮宽度单位（rpx）
  },
 
  
  onLoad: function(options) {
    var that = this;
    that.getOrganizationTeamScore(); //获取标准积分
    // 获取系统宽高信息 
    wx.getSystemInfo({
      success: function(res) {
        that.setData({
          winWidth: res.windowWidth,
          winHeight: res.windowHeight
        });
      }
    });
    that.initEleWidth(); //侧滑删除S
  },
 
  
  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.currentTarget.dataset.index
      // var index = e.target.dataset.index;
      var lists = this.data.lists;
      lists[index].txtStyle = txtStyle;
      //更新列表的状态
      this.setData({
        lists: lists
      });
    }
  },
 
  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.currentTarget.dataset.index
      // var index = e.target.dataset.index;
      var lists = this.data.lists;
      lists[index].txtStyle = txtStyle;
      //更新列表的状态
      this.setData({
        lists: lists
      });
    }
  },
 
  //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.currentTarget.dataset.index
    // var index = e.target.dataset.index;
    var lists = this.data.lists;
    //移除列表中下标为index的项
    lists.splice(index, 1);
    //更新列表的状态
    this.setData({
      lists: lists
    });
  },
  
 
  
  
  getOrganizationTeamScore: function() {
    var that = this;
    wx.request({
      header: {
        "Content-Type": "application/x-www-fORM-urlencoded"
      },
      method: 'POST',
      url: app.globalData.BaseURL + 'group/v1/getOrganizationTeamScore.html',
      data: {
        organizationTeamID: that.data.organizationTeamID,
      },
      success: function(res) {
        wx.hideLoading();
        console.log("获取积分标准", res.data)
        var status = res.data.status;
        var info = res.data.info
        if (status.indexOf("SUCCESS") == 0) {
          that.setData({
            lists: info
          })
        } else {
          wx.showToast({
            title: '获取失败',
            icon: 'none'
          })
        }
      }
    })
  },
 
  
  delectOrganizationTeamScoreStandard: function(e) {
    var organizationTeamScoreStandardID = e.currentTarget.dataset.id;
    var that = this;
    wx.showModal({
      title: '删除此条标准记录',
      content: '是否删除？',
      success: function(res) {
        if (res.confirm) {
          console.log('用户点击确定')
          wx.request({
            header: {
              "Content-Type": "application/x-www-form-urlencoded"
            },
            method: 'POST',
            url: app.globalData.BaseURL + 'group/v1/delectOrganizationTeamScoreStandard.do',
            data: {
              organizationTeamScoreStandardID: organizationTeamScoreStandardID,
            },
            success: function(res) {
              var status = res.data.status;
              var info = res.data.info
              if (status.indexOf("SUCCESS") == 0) {
                wx.showToast({
                  title: '操作成功',
                  icon: 'none'
                })
                that.getOrganizationTeamScore();
              } else {
                wx.showToast({
                  title: '数据使用中，无法删除！',
                  icon: 'none'
                })
              }
            }
          })
        } else if (res.cancel) {
          console.log('用户点击取消')
        }
      }
    })
  },
 
  
  editStanderClick: function(e) {
    var item = e.currentTarget.dataset.item;
    wx.navigateTo({
      url: '/pages/My/Groupmanagement/Leanapproach/Employeeperformance/IntegralStandard/AddIntegrationProject/AddIntegrationProject?organizationTeamID=' + this.data.organizationTeamID +
        '&organizationTeamScoreStandardID=' + item.ID +
        '&scoreStanderFixID=' + item.scoreStanderFixID +
        '&itemName=' + item.itemName +
        '&score=' + item.score +
        '&unit=' + item.unit +
        '&isEdit=1',
    })
  },
 
  // 添加积分项目
  AddIntegrationProject: function() {
    wx.navigateTo({
      url: '/pages/My/Groupmanagement/Leanapproach/Employeeperformance/IntegralStandard/AddIntegrationProject/AddIntegrationProject?organizationTeamID=' + this.data.organizationTeamID,
      success: function(res) {},
      fail: function(res) {},
      complete: function(res) {},
    })
  },
  
  
  onReady: function() {
 
  },
 
  
  onShow: function() {
    var that = this;
    that.getOrganizationTeamScore(); //标准制定
  },
 
  
  onHide: function() {
 
  },
 
  
  onUnload: function() {
 
  },
 
  
  onPullDownRefresh: function() {
 
  },
 
  
  onReachBottom: function() {
 
  },
 
  
  onShareAppMessage: function() {
 
  }
})

4.效果图