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这篇“小程序如何实现侧滑删除功能”文章的知识点大部分人都不太理解,所以小编给大家总结了以下内容,内容详细,步骤清晰,具有一定的借鉴价值,希望大家阅读完这篇文章能有所收获,下面我们一起来看看这篇“小程序如何实现侧滑删除功能”文章吧。
1.页面布局
<view class='dialogue-box'> <scroll-view scroll-y="true" > <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}}' 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-h3.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
/* 标准s */ .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; } /* 侧滑删除s */ .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; } /* 侧滑删除e */
3.js
var app = getApp(); Page({ /** * 页面的初始数据 */ data: { currentTab: 0, BaseURL: app.globalData.BaseURL, //图片后台 mDate: '', delBtnWidth: 180 //删除按钮宽度单位(rpx) }, /** * 生命周期函数--监听页面加载 */ 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 }, /*****************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 }); }, /*****************侧滑删除e*******************/ /************************标准制定s***************/ /**获取积分标准 */ 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' }) } } }) }, /**删除标准 */ 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') } } }) }, /**修改标准 */ 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) {}, }) }, /************************标准制定e***************/ /** * 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() { var that = this; that.getOrganizationTeamScore(); //标准制定 }, /** * 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() { } })
4.效果图
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