微信小程式實現手指拖動選項排序
阿新 • • 發佈:2020-04-23
本文例項為大家分享了微信小程式實現手指拖動選項排序的具體程式碼,供大家參考,具體內容如下
效果:
wxml:
<view> <view class="dileititle">手指移動選項排序</view> <view style="width:740rpx;height:80vh;overflow-y:auto;padding:0 90rpx;margin:auto;" id="movebox"> <block wx:for="{{list}}" wx:key="index"> <view catchtouchmove="listitemmove" catchtouchend="listitemmove" data-index="{{index}}" class="flex1 dileiitemlist" id="movelist{{index}}" style="left:0;right:0;{{nowmoveindex==index?('position:absolute;top:'+movetop+'px;height:'+itemheight+'px;'):''}}"> <view class="{{moveoutindex==index?'changemovenow':''}}" style="height:0;transition: height 0.2s;"></view> <view class="ranknum">{{index+1}}</view> <view class="flex1" style="border-radius:10rpx;width:440rpx;position:relative;color:#fff;"> <view style="flex:1;text-align: center;margin-right: 20rpx;padding: 20rpx 20rpx;background:#8eb1f7;border-radius:10rpx;">{{item.member.nickname}}</view> </view> </view> </block> </view> </view> <button class='tijiao' catchtap="lastsubmit">確定</button>
js:
let app = getApp() app.unitgameinfo = {"members":[{"member":{"nickname":"小程式照片合成","job":"ckext"},},{"member":{"nickname":"高球丸子"},{"member":{"nickname":"DRobertdsf","job":"黃金"},{"member":{"nickname":"erer",{"member":{"nickname":"just do it",{"member":{"nickname":"888"},}],}; Page({ data: { },onLoad: function (options) { var info = app.unitgameinfo,list; list = info.members; this.setData({options,info,list}); this.getwxmlcode("#movebox",(resp)=>{ this.setData({movebox:resp}) setTimeout(()=>{this.getwxmlcode("#movelist0",(res)=>{ this.setData({movelist0:res}) var jiange = res.top-resp.top; var yiban = res.bottom - res.top + jiange; this.setData({ itemheight:res.bottom - res.top,jiange:yiban,//兩條中間到另一條的距離 jianqu:resp.top-(res.bottom - res.top)/2,//位置要減去距離 }) })},300) }) },getwxmlcode(str,cal){ const query1 = wx.createSelectorQuery() query1.select(str).boundingClientRect() query1.selectViewport().scrollOffset() query1.exec((res) => { if(cal) cal(res[0]) }) },listitemmove(e){ // console.log(e) if(e.type=="touchmove"){ var movetop = e.touches[0].pageY-this.data.itemheight; var moveoutindex = parseInt((movetop-this.data.jianqu)/this.data.jiange); if(e.currentTarget.dataset.index<=moveoutindex) moveoutindex++; this.moveoutindex = moveoutindex; this.setData({nowmoveindex:e.currentTarget.dataset.index,movetop,moveoutindex}) }else{ let index = e.currentTarget.dataset.index,score = this.data.list; let data = {...score[index]}; score.splice(index,1); if(index<=this.moveoutindex-1) this.moveoutindex--; score.splice(this.moveoutindex,data); this.setData({list:score,moveoutindex:-1,nowmoveindex:-1}); } },onShow: function(){ },lastsubmit(){ console.log(this.data.list) },})
wxss:
page{background-color: #fff;font-size:30rpx;text-align: center;color: #2952a5;} .tijiao{ color: #fff;font-size: 30rpx;line-height: 2.8; margin: 20rpx auto 20rpx;width:80vw;position: fixed;bottom: 50rpx;left: 10vw; background-color: #2952a5;border-radius:50rpx; } .dileiitemlist{justify-content: center;padding-top:30rpx;flex-wrap: wrap;} .dileititle{font-size: 32rpx;line-height: 100rpx;} .ranknum{width:60rpx;height: 60rpx;line-height: 60rpx;text-align: center;border-radius:50%;border:1rpx solid #2952a5;margin-right:30rpx;} .changemovenow{width:100%;height:60px!important;} .flex1{display:flex;align-items:center;}
以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支援我們。