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vue拖拽排序插件vuedraggable使用方法详解

2018-12-03 09:26 1066 查看

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

<draggable v-model="colors" @update="datadragEnd" :options = "{animation:500}">
<transition-group>
<div v-for="element in colors" :key="element.text" class = "drag-item">
{{element.text}}
</div>
</transition-group>
</draggable>

下面贴一下详细用法

<template><draggable v-model="colors" @update="datadragEnd" :options = "{animation:500}">
<transition-group>
<div v-for="element in colors" :key="element.text" class = "drag-item">
{{element.text}}
</div>
</transition-group>
</draggable>
</template>

<script>import draggable from 'vuedraggable'
export default{
data(){
return{
msg:"这是测试组件",
colors: [
{
text: "Aquamarine",
},
{
text: "Hotpink",
},
{
text: "Gold",
},
{
text: "Crimson",
},
{
text: "Blueviolet",
},
{
text: "Lightblue",
},
{
text: "Cornflowerblue",
},
{
text: "Skyblue",
},
{
text: "Burlywood",
}
],
startArr:[],
endArr:[],
count:0,
}
},
components: {
  draggable
},
methods:{
getdata (evt) {
console.log(evt.draggedContext.element.text)
},
datadragEnd (evt) {
evt.preventDefault();
console.log('拖动前的索引 :' + evt.oldIndex)
console.log('拖动后的索引 :' + evt.newIndex)
console.log(this.colors);
}
},
mounted () {
//为了防止火狐浏览器拖拽的时候以新标签打开,此代码真实有效
document.body.ondrop = function (event) {
event.preventDefault();
event.stopPropagation();
}
}
}
</script>

<style lang="scss" scoped>
.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;
}
</style>

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 */dataTransfer, /** HTMLElement*/dragEl) {
dataTransfer.setData('Text', dragEl.textContent); // `dataTransfer` object of HTML5 DragEvent
},

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

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

// Element dragging ended
onEnd: function (/**Event*/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 (/**Event*/evt) {
// same properties as onEnd
},

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

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

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

// Attempt to drag a filtered element
onFilter: function (/**Event*/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 (/**Event*/evt, /**Event*/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 (/**Event*/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。

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持脚本之家。

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