vue--拖拽实现推荐方案

方案一:

vue.draggable中文文档
:网址

方案二:

sortablejs官方文档:网址

var sortable = new Sortable(el, {
    group: "name",  // or { name: "...", pull: [true, false, 'clone', array], put: [true, false, array] }
    sort: true,  // boolean 定义是否列表单元是否可以在列表容器内进行拖拽排序
    delay: 0, // number 定义鼠标选中列表单元可以开始拖动的延迟时间;
    touchStartThreshold: 0, // px, how many pixels the point should move before cancelling a delayed drag event
    disabled: false, // boolean 定义是否此sortable对象是否可用,为true时sortable对象不能拖放排序等功能,为false时为可以进行排序,相当于一个开关;
    store: null,  // @see Store
    animation: 150,  // ms, number 单位:ms,定义排序动画的时间
    easing: "cubic-bezier(1, 0, 0, 1)", // Easing for animation. Defaults to null. See https://easings.net/ for examples.
    handle: ".my-handle",  // 格式为简单css选择器的字符串,使列表单元中符合选择器的元素成为拖动的手柄,只有按住拖动手柄才能使列表单元进行拖动
    filter: ".ignore-elements",  // 过滤器,不需要进行拖动的元素
    preventOnFilter: true, //  在触发过滤器`filter`的时候调用`event.preventDefault()`
    draggable: ".item",  // 允许拖拽的项目类名
    ghostClass: "sortable-ghost",  // drop placeholder的css类名
    chosenClass: "sortable-chosen",  // 被选中项的css 类名
    dragClass: "sortable-drag",  // 正在被拖拽中的css类名
    dataIdAttr: 'data-id',
 
    swapThreshold: 1, // Threshold of the swap zone
    invertSwap: false, // Will always use inverted swap zone if set to true
    invertedSwapThreshold: 1, // Threshold of the inverted swap zone (will be set to swapThreshold value by default)
    direction: 'horizontal', // 拖拽方向 (默认情况下会自动判断方向)
 
    forceFallback: false,  // 忽略 HTML5拖拽行为,强制回调进行
 
    fallbackClass: "sortable-fallback",  // 当使用forceFallback的时候,被复制的dom的css类名
    fallbackOnBody: false,  // 将cloned DOM 元素挂到body元素上。
    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
    bubbleScroll: true, // apply autoscroll to all parent elements, allowing for easier movement
 
    dragoverBubble: false,
    removeCloneOnHide: true, // Remove the clone element when it is not showing, rather than just hiding it
    emptyInsertThreshold: 5, // px, distance mouse must be from empty sortable to insert drag element into it
 
 
    setData: function (/** DataTransfer */dataTransfer, /** HTMLElement*/dragEl) {
        dataTransfer.setData('Text', dragEl.textContent); // `dataTransfer` object of HTML5 DragEvent
    },
 
    // 元素被选中
    onChoose: function (/**Event*/evt) {
        evt.oldIndex;  // element index within parent
    },
 
    // 元素未被选中的时候(从选中到未选中)
    onUnchoose: function(/**Event*/evt) {
        // same properties as onEnd
    },
 
    // 开始拖拽的时候
    onStart: function (/**Event*/evt) {
        evt.oldIndex;  // element index within parent
    },
 
    // 结束拖拽
    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
        evt.clone // the clone element
        evt.pullMode;  // when item is in another sortable: `"clone"` if cloning, `true` if moving
    },
 
    // 元素从一个列表拖拽到另一个列表
    onAdd: function (/**Event*/evt) {
        // same properties as onEnd
    },
 
    // 列表内元素顺序更新的时候触发
    onUpdate: function (/**Event*/evt) {
        // same properties as onEnd
    },
 
    // 列表的任何更改都会触发
    onSort: function (/**Event*/evt) {
        // same properties as onEnd
    },
 
    // 元素从列表中移除进入另一个列表
    onRemove: function (/**Event*/evt) {
        // same properties as onEnd
    },
 
    // 试图拖拽一个filtered的元素
    onFilter: function (/**Event*/evt) {
        var itemEl = evt.item;  // HTMLElement receiving the `mousedown|tapstart` event.
    },
 
    // 拖拽移动的时候
    onMove: function (/**Event*/evt, /**Event*/originalEvent) {
        // Example: https://jsbin.com/nawahef/edit?js,output
        evt.dragged; // dragged HTMLElement
        evt.draggedRect; // DOMRect {left, top, right, bottom}
        evt.related; // HTMLElement on which have guided
        evt.relatedRect; // DOMRect
        evt.willInsertAfter; // Boolean that is true if Sortable will insert drag element after target by default
        originalEvent.clientY; // mouse position
        // return false; — for cancel
        // return -1; — insert before target
        // return 1; — insert after target
    },
 
    // clone一个元素的时候触发
    onClone: function (/**Event*/evt) {
        var origEl = evt.item;
        var cloneEl = evt.clone;
    },
 
    // 拖拽元素改变位置的时候
    onChange: function(/**Event*/evt) {
        evt.newIndex // most likely why this event is used is to get the dragging element's current index
        // same properties as onEnd
    }
});

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