微信小程序实现收货地址左滑删除

<view wx:for="{{address}}" style='position: relative;'> <!-- 列表层 --> <view class='list' style='{{item.txtStyle}}' bindtouchstart="touchS" bindtouchmove="touchM" bindtouchend="touchE" data-index='{{index}}'> <!-- 收货信息 --> <view class='info' bindtap='select_addr' data-id="{{item.id}}">  <view>  {{item.name}}   <span class="phone">{{item.phone}}</span>  <span wx:if="{{item.default == 1}}" class='def'>默认</span>  </view>  <view>  {{item.province}} {{item.address}}  </view> </view> <!-- 编辑图标 --> <view class='edit' bindtap='edit' data-id='{{item.id}}' >  <image src='/image/edit.png'></image> </view> </view> <!-- 删除按钮 --> <view class="delete" data-id="{{item.id}}" data-index='{{index}}' bindtap="delItem" >删除</view></view> <view class='add' bindtap='add'>添加地址</view>

page{ background-color: #F0EFF5;}.list{ position: relative; z-index: 2; overflow: hidden; background-color: white; margin-top: 2rpx; padding: 25rpx; display: flex; align-items: center; justify-content:space-between; min-height: 150rpx;}.delete{ position: absolute; top:0rpx; background-color: #e64340; width: 180rpx; text-align: center; z-index: 1; right: 0; color: #fff; height: 100%; display: flex; align-items: center; justify-content: center;}.info{ display: flex; flex-direction: column; align-items: flex-start;}.info view:first-child{ text-align: center; font-size: 35rpx; margin-bottom: 10rpx;}.info view:nth-child(2){ font-size: 30rpx; margin-bottom: 10rpx;}.def{ font-size: 30rpx; border:1rpx solid red; border-radius: 5rpx; padding:0 10rpx; color: red; margin-right: 10rpx;}.phone{ color:gray;font-size:30rpx;margin: 0 20rpx;}.edit{ padding:40rpx;}.edit image{ width: 40rpx; height: 40rpx; margin-left:10rpx;}.add{ width: 650rpx; border: 2rpx solid gray; height: 100rpx; line-height: 100rpx; text-align: center; font-size: 30rpx; border-radius: 10rpx; position: fixed; bottom: 50rpx; left: 50rpx; background-color: white;}

Page({ data: { address:[  {  id: "1",  address: "1单元222号",  name: "啦啦啦",  default:"1",  phone: "12222223333",  province: "河北省 石家庄市 长安区",  txtStyle: "",  },  {  id: "2",  address: "2幢2楼222号",  name: "嚯嚯嚯",  default: "0",  phone: "12345678900",  province: "浙江省 杭州市 市辖区",  txtStyle: "",  },  {  id: "3",  address: "1幢1单元",  name: "哈哈哈",  default: "0",  phone: "18208350499",  province: "河北省 石家庄市 新华区",  txtStyle: "",  } ], delBtnWidth: 180 },  onLoad: function (options) { //获取收货地址 省略 },  edit: function (e) { //编辑收货地址 省略 },  add: function () { //增加收货地址 省略 },  delItem: function (e) { var id = e.currentTarget.dataset.id; var index = e.currentTarget.dataset.index; this.data.address.splice(index, 1); this.setData({  address: this.data.address }) },  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:0rpx";  } 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 + "rpx";  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 + "rpx";  }  }  //获取手指触摸的是哪一项  var index = e.currentTarget.dataset.index;  var list = this.data.address;  list[index]['txtStyle'] = txtStyle;  //更新列表的状态  this.setData({  address: 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 + "rpx" : "left:0rpx";  //获取手指触摸的是哪一项  var index = e.currentTarget.dataset.index;  var list = this.data.address;  var del_index = '';  disX > delBtnWidth / 2 ? del_index = index : del_index = '';  list[index].txtStyle = txtStyle;  //更新列表的状态  this.setData({  address: list,  del_index: del_index  }); } },})