vue拖拽排序插件vuedraggable使用方法详解

大家好，最近做的项目要用到拖拽排序，我现在的项目是vue项目，所以我就屁颠屁颠的去百度有木有这样功能的插件，我就知道一定会有，那就是vuedraggable，这是一款很棒的拖拽插件，下面我来说一下怎么引入

首先在vue项目中，用npm包下载下来

npm install vuedraggable -S

下载下来后，引入插件，在你的vue文件的script标签里面这样引入

import draggable from 'vuedraggable'

别忘了下面要注册组件

components: {
 draggable
},

然后就可以在template标签里面使用了

   
    
     {{element.text}}
    
   
 

下面贴一下详细用法

 .test{
  border:1px solid #ccc;
 }
 .drag-item{
  width: 200px;
  height: 50px;
  line-height: 50px;
  margin: auto;
  position: relative;
  background: #ddd;
  margin-top:20px;
 }
 .ghostClass{
  opacity: 1;
 }
 .bottom{
  width: 200px;
  height: 50px;
  position: relative;
  background: blue;
  top:2px;
  left: 2px;
  transition: all .5s linear;
 }

下面是结果

上下是可以拖动的，只是截图的话看不出效果来，小伙伴们注意了，里面有个options选项，这个选项怎么来的呢，据我观察这个插件是基于sortable.js，所以这个options里面的配置，和sortable.js是一样的，下面我贴两个地址，一个是vuedraggable的GitHub地址，一个是sortable.js的GitHub地址

vuedraggable: 学习地址

sortable.js:学习地址

options配置如下

var sortable = new Sortable(el, {
 group: "name", // or { name: "...", pull: [true, false, clone], put: [true, false, array] }
 sort: true, // sorting inside list
 delay: 0, // time in milliseconds to define when the sorting should start
 touchStartThreshold: 0, // px, how many pixels the point should move before cancelling a delayed drag event
 disabled: false, // Disables the sortable if set to true.
 store: null, // @see Store
 animation: 150, // ms, animation speed moving items when sorting, `0` — without animation
 handle: ".my-handle", // Drag handle selector within list items
 filter: ".ignore-elements", // Selectors that do not lead to dragging (String or Function)
 preventOnFilter: true, // Call `event.preventDefault()` when triggered `filter`
 draggable: ".item", // Specifies which items inside the element should be draggable
 ghostClass: "sortable-ghost", // Class name for the drop placeholder
 chosenClass: "sortable-chosen", // Class name for the chosen item
 dragClass: "sortable-drag", // Class name for the dragging item
 dataIdAttr: 'data-id',

 forceFallback: false, // ignore the HTML5 DnD behaviour and force the fallback to kick in

 fallbackClass: "sortable-fallback", // Class name for the cloned DOM Element when using forceFallback
 fallbackOnBody: false, // Appends the cloned DOM Element into the document's Body
 fallbackTolerance: 0, // Specify in pixels how far the mouse should move before it's considered as a drag.

 scroll: true, // or HTMLElement
 scrollFn: function(offsetX, offsetY, originalEvent, touchEvt, hoverTargetEl) { ... }, // if you have custom scrollbar scrollFn may be used for autoscrolling
 scrollSensitivity: 30, // px, how near the mouse must be to an edge to start scrolling.
 scrollSpeed: 10, // px

 setdata: function (dataTransfer, dragEl) {
  dataTransfer.setData('Text', dragEl.textContent); // `dataTransfer` object of HTML5 DragEvent
 },

 // Element is chosen
 onChoose: function (evt) {
  evt.oldIndex; // element index within parent
 },

 // Element dragging started
 onStart: function (evt) {
  evt.oldIndex; // element index within parent
 },

 // Element dragging ended
 onEnd: function (evt) {
  var itemEl = evt.item; // dragged HTMLElement
  evt.to; // target list
  evt.from; // previous list
  evt.oldIndex; // element's old index within old parent
  evt.newIndex; // element's new index within new parent
 },

 // Element is dropped into the list from another list
 onAdd: function (evt) {
  // same properties as onEnd
 },

 // Changed sorting within list
 onUpdate: function (evt) {
  // same properties as onEnd
 },

 // Called by any change to the list (add / update / remove)
 onSort: function (evt) {
  // same properties as onEnd
 },

 // Element is removed from the list into another list
 onRemove: function (evt) {
  // same properties as onEnd
 },

 // Attempt to drag a filtered element
 onFilter: function (evt) {
  var itemEl = evt.item; // HTMLElement receiving the `mousedown|tapstart` event.
 },

 // Event when you move an item in the list or between lists
 onMove: function (evt, originalEvent) {
  // Example: http://jsbin.com/tuyafe/1/edit?js,output
  evt.dragged; // dragged HTMLElement
  evt.draggedRect; // TextRectangle {left, top, right и bottom}
  evt.related; // HTMLElement on which have guided
  evt.relatedRect; // TextRectangle
  originalEvent.clientY; // mouse position
  // return false; — for cancel
 },

 // Called when creating a clone of element
 onClone: function (evt) {
  var origEl = evt.item;
  var cloneEl = evt.clone;
 }
});

好了，今天的介绍就到这里啦，快去试试吧。

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