vue.draggable group 拖拽分组多组之间相互拖拽

vue.draggable group 拖拽分组多组之间相互拖拽,可以实现不同数组之间相互拖拽。比如group都为itxst的组之间可以相互拖动,本文例子中A列和B列可以相互拖动,但是无法拖到C列。

group属性

<template>
  <div> 
<!--使用draggable组件-->
<div class="itxst">
  <span>A、B列可以相互拖动,无法拖到C列</span>
<div class="col">
  <div class="title" >A列</div>
 <draggable v-model="arr1" group="site"  animation="300" dragClass="dragClass"  ghostClass="ghostClass" chosenClass="chosenClass" @start="onStart" @end="onEnd">
    <transition-group>
     <div class="item" v-for="item in arr1" :key="item.id">{{item.name}}</div>
    </transition-group>
</draggable> 
 </div>
 <div  class="col">
    <div class="title" >B列</div>
 <draggable v-model="arr2" group="site" animation="300" dragClass="dragClass"  ghostClass="ghostClass" chosenClass="chosenClass" @start="onStart" @end="onEnd">
    <transition-group>
     <div class="item" v-for="item in arr2" :key="item.id">{{item.name}}</div>
    </transition-group>
</draggable> 
 </div>
  <div  class="col">
    <div class="title" >C列</div>
 <draggable v-model="arr2" group="c" animation="300" dragClass="dragClass"  ghostClass="ghostClass" chosenClass="chosenClass" @start="onStart" @end="onEnd">
    <transition-group>
     <div class="item" v-for="item in arr3" :key="item.id">{{item.name}}</div>
    </transition-group>
</draggable> 
 </div>
  </div>
  </div>
</template>
<style scoped>
/*定义要拖拽元素的样式*/
.ghostClass{
  background-color:  blue !important;
}
.chosenClass{
  background-color: red !important;
  opacity: 1!important;
}
.dragClass{
  background-color: blueviolet !important;
  opacity: 1 !important;
  box-shadow:none !important;
  outline:none !important;
  background-image:none !important;
}
.itxst{
  margin: 10px;
  
}
.title{
  padding: 6px 12px;
}
.col{
  width: 40%;
  flex: 1;
  padding: 10px;
  border: solid 1px #eee;
  border-radius:5px ;
  float: left;
}
.col+.col{
 margin-left: 10px;
}

.item{
  padding: 6px 12px;
  margin: 0px 10px 0px 10px;
  border:  solid 1px #eee;
   background-color: #f1f1f1;
}
.item:hover{
  background-color: #fdfdfd;
  cursor: move;
}
.item+.item{
  border-top:none ;
  margin-top: 6px;
}
</style>
<script>
//导入draggable组件
import draggable from 'vuedraggable'
export default {
  //注册draggable组件
  components: {
            draggable,
        },
  data() {
    return { 
      drag:false,
      //定义要被拖拽对象的数组
      arr1:[
        {id:1,name:'www.itxst.com'},
        {id:2,name:'www.jd.com'},
        {id:3,name:'www.baidu.com'},
        {id:4,name:'www.taobao.com'}
        ],
        arr2:[
        {id:1,name:'www.google.com'},
        {id:2,name:'www.msn.com'},
        {id:3,name:'www.ebay.com'},
        {id:4,name:'www.yahoo.com'}
        ],
        arr3:[
        {id:1,name:'item 1'},
        {id:2,name:'item 2'},
        {id:3,name:'item 3'},
        {id:4,name:'item 4'}
        ]  
    };
  },
  methods: {
     //开始拖拽事件
      onStart(){
        this.drag=true;
      },
      //拖拽结束事件
       onEnd() {
       this.drag=false;
    },
  },
};
</script>

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