这篇文章主要讲解了微信小程序如何实现手指拖动选项排序,内容清晰明了,对此有兴趣的小伙伴可以学习一下,相信大家阅读完之后会有帮助。
效果:
wxml:
<view>
<view class="dileititle">手指移动选项排序</view>
<view id="movebox">
<block wx:for="{{list}}" wx:key="index">
<view catchtouchmove="listitemmove" catchtouchend="listitemmove" data-index="{{index}}" class="flex1 dileiitemlist" id="movelist{{index}}" >
<view class="{{moveoutindex==index?'changemovenow':''}}" ></view>
<view class="ranknum">{{index+1}}</view>
<view class="flex1" >
<view >{{item.member.nickname}}</view>
</view>
</view>
</block>
</view>
</view>
<button class='tijiao' catchtap="lastsubmit">确定</button>
js:
let app = getApp()
app.unitgameinfo = {"members":[{"member":{"nickname":"小程序照片合成","job":"ckext"},},{"member":{"nickname":"高球丸子"},},{"member":{"nickname":"DRobertdsf","job":"黄金"},},{"member":{"nickname":"erer","job":"ckext"},},{"member":{"nickname":"just do it","job":"黄金"},},{"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, //两条中间到另一条的距离
jianqu:resp.top-(res.bottom - res.top)/2, //位置要减去距离
})
})},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,0,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;}
看完上述内容,是不是对微信小程序如何实现手指拖动选项排序有进一步的了解,如果还想学习更多内容,欢迎关注天达云行业资讯频道。