<div id="network_id" class="network" style="height:800px"></div>

在script中,定义所需变量,这里需要注意的是,network不可以在data中进行定义,否则会出现拖拽节点的时候,其他节点不跟随变换位置的bug

export default {

name: 'home',

data () {

return {

nodes:[],

edges:[],

// network:null,

container:null,

nodesArray:[

{id: 0, label: "0", group: 0},

{id: 1, label: "1", group: 0},

{id: 2, label: "2", group: 0},

{id: 3, label: "3", group: 1},

{id: 4, label: "4", group: 1},

{id: 5, label: "5", group: 1},

{id: 6, label: "6", group: 2},

{id: 7, label: "7", group: 2},

{id: 8, label: "8", group: 2},

{id: 9, label: "9", group: 3},

{id: 10, label: "10", group: 3},

{id: 11, label: "11", group: 3},

{id: 12, label: "12", group: 4},

{id: 13, label: "13", group: 4},

{id: 14, label: "14", group: 4},

{id: 15, label: "15", group: 5},

{id: 16, label: "16", group: 5},

{id: 17, label: "17", group: 5},

{id: 18, label: "18", group: 6},

{id: 19, label: "19", group: 6},

{id: 20, label: "20", group: 6},

{id: 21, label: "21", group: 7},

{id: 22, label: "22", group: 7},

{id: 23, label: "23", group: 7},

{id: 24, label: "24", group: 8},

{id: 25, label: "25", group: 8},

{id: 26, label: "26", group: 8},

{id: 27, label: "27", group: 9},

{id: 28, label: "28", group: 9},

{id: 29, label: "29", group: 9}

edgesArray:[

{from: 1, to: 0,label:"hahah"},

{from: 2, to: 0},

{from: 4, to: 3},

{from: 5, to: 4},

{from: 4, to: 0},

{from: 7, to: 6},

{from: 8, to: 7},

{from: 7, to: 0},

{from: 10, to: 9},

{from: 11, to: 10},

{from: 10, to: 4},

{from: 13, to: 12},

{from: 14, to: 13},

{from: 13, to: 0},

{from: 16, to: 15},

{from: 17, to: 15},

{from: 15, to: 10},

{from: 19, to: 18},

{from: 20, to: 19},

{from: 19, to: 4},

{from: 22, to: 21},

{from: 23, to: 22},

{from: 22, to: 13},

{from: 25, to: 24},

{from: 26, to: 25},

{from: 25, to: 7},

{from: 28, to: 27},

{from: 29, to: 28},

{from: 28, to: 0}

options:{},

data:{}

methods:{

init(){

let this_ = this;

this_.nodes = new Vis.DataSet(this_.nodesArray);

this_.edges = new Vis.DataSet(this_.edgesArray);

this_.container = document.getElementById('network_id');

this_.data = {

nodes: this_.nodes,

edges: this_.edges

this_.options = {

autoResize: true,

groups:{

useDefaultGroups: true,

myGroupId:{

/*node options*/

nodes: {

shape: 'dot',

size: 30,

font: {

size: 32,

borderWidth: 2

edges: {

width: 2,

smooth:{  //设置两个节点之前的连线的状态

enabled: false  //默认是true,设置为false之后,两个节点之前的连线始终为直线,不会出现贝塞尔曲线

physics: { //计算节点之前斥力,进行自动排列的属性

enabled: true, //默认是true,设置为false后,节点将不会自动改变,拖动谁谁动。不影响其他的节点

barnesHut: {

gravitationalConstant: -4000,

centralGravity: 0.3,

springLength: 120,

springConstant: 0.04,

damping: 0.09,

avoidOverlap: 0

interaction:{

hover:true,

dragNodes: true, //是否能拖动节点

dragView: true, //是否能拖动画布

hover: true, //鼠标移过后加粗该节点和连接线

multiselect: true, //按 ctrl 多选

selectable: true, //是否可以点击选择

selectConnectedEdges: true, //选择节点后是否显示连接线

hoverConnectedEdges: true, //鼠标滑动节点后是否显示连接线

zoomView: true //是否能缩放画布

manipulation: {  //该属性表示可以编辑,出现编辑操作按钮

enabled: true

this_.network = new Vis.Network(this_.container, this_.data, this_.options);

resetAllNodes() {

let this_ = this;

this_.nodes.clear();

this_.edges.clear();

this_.nodes.add(this_.nodesArray);

this_.edges.add(this_.edgesArray);

this_.data = {

nodes: this_.nodes,

edges: this_.edges

this_.network = new Vis.Network(this_.container, this_.data, this_.options);

resetAllNodesStabilize() {

let this_ = this;

this_.resetAllNodes();

this_.network.stabilize();

mounted(){

this.init();

this.network.on("click", function (params) {

params.event = "[original event]";

document.getElementById('eventSpan').innerHTML = '<h2>Click event:</h2>' + JSON.stringify(params, null, 4);

console.log('click event, getNodeAt returns: ' + this.getNodeAt(params.pointer.DOM));

7.需求:出现选框,获取选框中的选中的节点,如右图;

已获取到选框的位置

,节点的位置是随机生成的,如何获取?

function returnPos(params){

var nodePosCanvas = [],selectNodes=[],nodePosDom=[];

// 通过network.getPositions(节点id),来获取到随机生成的节点的canvas的坐标

$.each(nodes._data,function(index,item){

var obj=network.getPositions(item.id)[item.id];

obj.id=item.id;

nodePosCanvas.push(obj)

// 通过network.canvasToDOM({x:x,y:y}),将获取到的canvas坐标转化为DOM坐标

$.each(nodePosCanvas,function(indexpos,itempos){

var obj=network.canvasToDOM({x:itempos.x,y:itempos.y});

obj.id=itempos.id;

nodePosDom.push(obj)

// 通过对上下左右的限制,获取到选中的节点

$.each(nodePosDom,function(indexposDom,itemposDom){

if((itemposDom.x>params.left||itemposDom.x == params.left) && (itemposDom.x<params.right||itemposDom.x == params.right)){

if((itemposDom.y>params.top||itemposDom.y == params.top) && (itemposDom.y<params.bottom||itemposDom.y == params.bottom)){

selectNodes.push(itemposDom)

实现vis.js中的编辑节点,增加节点,删除节点,增加边缘的操作

Vis的option中直接有属性就可以进行这些操作

manipulation: {  //该属性表示可以编辑,出现编辑操作按钮

enabled: false,

initiallyActive:true,

addNode:function(nodeData,callback){  对增加节点的操作,一般使用默认的话就不需要写这个函数

nodesArrayCopy.forEach(item=>{

if(item.status){

delete item.status;

nodesArrayCopy.push({id:nodesArray.length, label:"I'm new!",group:0,status:"lastest"})

nodes.add({id:nodesArray.length, label:"I'm new!",x:nodeData.x,y:nodeData.y});

那如果不想使用默认的增加节点功能呢,需要使用什么方法进行增加

var nodes = new vis.DataSet(nodesArray);

nodes.add({id: 1001, x: x, y:y, label: name, group:group, value: value,  physics:false});

使用nodes.add()方法进行添加

想要增加边缘edge

var edges = new vis.DataSet(edgesArray);

edges.add({

id: edge.id,

arrows:'to',

from: edge.fromNodeId,

to: edge.toNodeId,

label:edge.label,

font:{align:"middle"},

length:150

想要对已有的节点进行更新

nodes.update([{id:id, group:group}]);

对文档做了一点翻译,有需求的可以查看

具体参考 https://yajunfan.github.io/vis/#/