微信小程序之拖拽排序的示例代码
来源:转载
发布时间:2018-06-30 17:20:42
阅读量:2050
index.wxml
<!--index.wxml--><view class="container">
<view bindtap="box" class="box" >
<view disable-scroll="true" wx:for="{{content}}" bindtouchmove="move" bindtouchstart="movestart" bindtouchend="moveend" data-index="{{item.id}}" data-main="{{mainx}}" class="main {{mainx == item.id? 'mainmove':'mainend'}}" style="left:{{start.x}}px; top:{{start.y}}px">{{item.content}}</view>
</view></view>123456
index.js
//index.js//获取应用实例
var app = getApp();var x,y,x1,y1,x2,y2,index,currindex,n,yy;var arr1 = [{content:11,id:1},{content:22,id:2},{content:33,id:3},{content:44,id:4},{content:55,id:5}];Page({
data: {
mainx:0,
content:[{content:11,id:1},{content:22,id:2},{content:33,id:3},{content:44,id:4},{content:55,id:5}],
start:{x:0,y:0}
},
movestart:function(e){
currindex = e.target.dataset.index;
x = e.touches[0].clientX;
y = e.touches[0].clientY;
x1 = e.currentTarget.offsetLeft;
y1 = e.currentTarget.offsetTop;
},
move:function(e){
yy = e.currentTarget.offsetTop;
x2 = e.touches[0].clientX-x+x1;
y2 = e.touches[0].clientY-y+y1;
this.setData({
mainx:currindex,
opacity:0.7,
start:{x:x2,y:y2}
})
},
moveend:function(){
if(y2 != 0){
var arr = [];
for(var i=0; i<this.data.content.length; i++){
arr.push(this.data.content[i]);
}
var nx = this.data.content.length;
n=1;
for(var k=2; k<nx; k++){
if(y2>(52*(k-1)+k*2-26)){
n=k;
}
}
if(y2>(52*(nx-1)+nx*2-26)){
n = nx;
}
console.log(arr);
console.log(arr1)
arr.splice((currindex-1),1);
arr.splice((n-1),0,arr1[currindex-1]);
arr1 = [];
for(var m=0; m<this.data.content.length; m++){
console.log(arr[m]);
arr[m].id = m+1;
arr1.push(arr[m]);
}
// console.log(arr1);
this.setData({
mainx:"",
content:arr,
opacity:1
})
}
}
})123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263
index.wxss
.container { height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: space-between; padding: 200rpx 0; box-sizing: border-box;} .box{width:300px; position: relative}.main{width: 90%; height:50px; background: #eee; border: 1px solid #ccc; margin:2px auto; text-align: center; line-height: 50px;}.mainmove{position: absolute; opacity: 0.7}.maind{background: #fff; border:1px dashed #efefef;}.mainend{position: static; opacity: 1;}