How to realize drag and drop and swap position with vue

This article mainly introduces the relevant knowledge of "how to achieve drag-and-drop location exchange in vue". The editor shows you the operation process through an actual case. The operation method is simple, fast and practical. I hope this article "how to achieve drag-and-drop location exchange in vue" can help you solve the problem.

The specific code is as follows

{{item}} export default {name: "Toolbar", data () {return {items: [{key: 1, color: "# 3883a0"}, {key: 2, color: "# 4883a0"}, {key: 3, color: "# 5883a0"}, {key: 4, color: "# 6883a0"}, {key: 5 Color: "# 7883a0"}, {key: 6, color: "# 8883a0"}, {key: 7, color: "# 9883a0"},], ending: null, dragging: null,} }, methods: {handleDragStart (e, item) {this.dragging = item;}, handleDragEnd (e, item) {if (this.ending.key = this.dragging.key) {return;} let newItems = [... this.items]; const src = newItems.indexOf (this.dragging); const dst = newItems.indexOf (this.ending) NewItems.splice (src, 1,... newItems.splice (dst, 1, newItems [src]); console.log (newItems); this.items = newItems; this.$nextTick (() = > {this.dragging = null; this.ending = null;})) }, handleDragOver (e) {/ / first make div an element that can be placed, that is, rewrite dragenter/dragover / / set e.dataTransfer.dropEffect = "move" in dragenter for the placement target;}, handleDragEnter (e, item) {/ / set the dragstart event e.dataTransfer.effectAllowed = "move"; this.ending = item for the element to be moved },},}; .container {display: flex; flex-wrap: wrap;}. Item {width: 200px; height: 200px; margin: 10px; color: # fff; transition: all linear 0.3s;} .item0 {width: 400px;}

Effect.

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