vue使用GraphVis开发无限拓展的关系图谱的实现

1、去GraphVis官网下载对应的js，新版和旧版的js有所不同，看自己需求引入旧版还是新版（GraphVis官方网址：http://www.graphvis.cn/）

2、在需要的vue文件引入js文件

import VisGraph from ’@/assets/js/GraphVis/old/visgraph.min.js’ // 自己对应的js文件位置import LayoutFactory from ’@/assets/js/GraphVis/old/visgraph-layout.min.js’ // 自己对应的js文件位置export default { components: { VisGraph, LayoutFactory } }

3、加载画布和配置

配置(自己根据需求修改配置)：

config: { // 节点配置 node: { label: { // 标签配置 show: true, // 是否显示 color: ’250,250,250’, // 字体颜色 font: ’normal 14px Microsoft YaHei’, // 字体大小及类型 textPosition: ’Middle_Center’, // 字体位置 wrapText: true // 节点包裹文字(该属性为true时只对于字体位置为Middle_Center时有效) }, shape: ’circle’, // 节点形状 circle,rect,square,ellipse,triangle,star,polygon,text // width: 60, // 节点宽度(只对于shape为rect时有效) // height: 60, // 节点高度(只对于shape为rect时有效) color: ’62,160,250’, // 节点颜色 borderColor: ’62,160,250’, // 节点边框颜色 borderWidth: 0, // 节点边框宽度 borderRadius: 0, // 节点圆角 lineDash: [0], // 节点边框线条类型 [0] 表示实线 [5,8] 表示虚线 borderWidth > 0有效 alpha: 1, // 节点透明度 size: 60, // 节点大小 selected: { // 节点选中后样式 borderColor: ’136,198,255’, // 选中时边框颜色 borderAlpha: 1, // 选中时的边框透明 borderWidth: 3, // 选中是的边框宽度 showShadow: true, // 是否展示阴影 shadowColor: ’136,198,255’ // 选中是的阴影颜色 } }, // 线条配置 link: { label: { // 标签配置 show: true, // 是否显示 color: ’100,100,200’, // 标签颜色 font: ’normal 10px Arial’ // 标签文字大小及类型 }, lineType: ’direct’, // 线条类型direct,curver,vlink,hlink,bezier,vbezier,hbezier colorType: ’defined’, // 连线颜色类型 source:继承source颜色,target:继承target颜色 both:用双边颜色，defined:自定义 color: ’200,200,200’, // 线条颜色 alpha: 1, // 连线透明度 lineWidth: 1, // 连线宽度 lineDash: [0], // 虚线间隔样式如：[5,8] showArrow: true, // 显示箭头 selected: { // 选中时的样式设置 color: ’20,250,50’, // 选中时的颜色 alpha: 1, // 选中时的透明度 lineWidth: 4, // 选中线条宽度 showShadow: true, // 显示阴影 shadowColor: ’50,250,50’ // 阴影颜色 } }, highLightNeiber: true, // 相邻节点高度标志 wheelZoom: 0.8 // 滚轮缩放开关，不使用时不设置[0,1] }

加载画布：

this.visgraph = new VisGraph(document.getElementById(this.canvasId),this.canvasConfig )this.visgraph.clearAll()this.visgraph.drawData(this.graphData)

4、拓展功能：

无限拓展子节点，双击节点触发（ondblClick）：　

this.visgraph.restoreHightLight() // 取消高亮const allNodes = this.visgraph.getVisibleData()this.currentNode.push(node.id)allNodes.nodes.forEach(item => { if (this.currentNode.indexOf(item.id) === (-1)) { this.visgraph.deleteNode(item) }})const findNodeNum = Math.round(Math.random() * 50)const increamData = this.buildIncreamData(node, findNodeNum)this.visgraph.activeAddNodeLinks(increamData.nodes, increamData.links)this.visgraph.translateToCenter()

完整代码（relation.vue）：

<!-- * @Author: CarlYang * @Date: 2021-07-23 15:31:51 * @LastEditTime: 2021-07-30 09:46:05 * @LastEditors: Please set LastEditors * @Description: 关系图谱 * @FilePath: vue-g6srcviewsGraphViscompany.vue--><template> <div id='container'> <!-- ============================================= 画布视图 ============================================= --> <div ref='graphpanel' @contextmenu='globalClickedDispatch' ></div> <!-- ============================================= 左侧工具栏 ============================================= --> <div class='left-toolbar'> <ul><li @click='setZoomOut'> <i class='iconfont icon-zoomin'></i></li><li @click='setZoomIn'> <i class='iconfont icon-zoomout'></i></li><li @click='saveImage'> <i class='iconfont icon-baocun-'></i></li><li @click='exportJson'> <i class='iconfont icon-json'></i></li><li @click='showOverView'> <i style='font-size: 14px'></i></li><li @click='clockwiseRotate'> <i style='font-size: 14px'></i></li><li @click='counterclockwiseRotate'> <i style='font-size: 14px'></i></li><li @click='setMouseModel(’normal’)'> <i class='iconfont icon-pointer-up'></i></li><li @click='setMouseModel(’drag’)'> <i class='iconfont icon-line-dragmovetuozhuai-01'></i></li><li @click='setMouseModel(’select’)'> <i class='iconfont icon-kuangxuan1'></i></li><li @click='fullScreen'> <i style='font-size: 20px'></i></li> </ul> </div> <!-- ============================================= 右键菜单 ============================================= --> <div class='nodeMenuDialog'> <ul><li @click='clickNodeInfo'>节点信息</li><li @click='settingNode'>配置节点</li><li @click='selectRelation'>选中关联</li><li @click='deleteNode'>删除节点</li><li @click='contractNode'>收起节点</li><li @click='expandedNode'>展开节点</li> </ul> </div> <!-- ============================================= 节点信息弹框 ============================================= --> <el-drawer :visible.sync='nodeInfoDrawer' direction='rtl' :modal='false' size='20%' > <div class='nodeInfo'><el-form ref='nodeInfoForm' :model='nodeInfoForm' label-width='80px'> <el-form-item label='节点名称'> <el-input v-model='nodeInfoForm.label'></el-input> </el-form-item> <el-form-item label='节点ID'> <el-input v-model='nodeInfoForm.id'></el-input> </el-form-item></el-form><el-tabs v-model='nodeInfoActiveName' :stretch='true' class='nodeInfoTabs'> <el-tab-pane label='关联关系' name='first'> <div class='nodeInfoRelation'> <el-collapse v-model='nodeInfoRelationActive'><el-collapse-item name='1'> <template slot='title'> <el-badge :value='nodeInfoSourceList.length'>目标节点</el-badge> </template> <table border='0' cellspacing='0' cellpadding='0' v-if='nodeInfoSourceList.length > 0' > <thead> <tr><th>实体对象</th><th>关系类型</th> </tr> </thead> <tbody> <tr v-for='(item, index) in nodeInfoSourceList' :key='index'><td : @click='moveCenterThisNode(item.id)'>{{ item.label }}</td><td>{{ item.relationType }}</td> </tr> </tbody> </table> <p v-else>无数据</p></el-collapse-item><el-collapse-item name='2'> <template slot='title'> <el-badge :value='nodeInfoTargetList.length'>来源节点</el-badge> </template> <table border='0' cellspacing='0' cellpadding='0' v-if='nodeInfoTargetList.length > 0' > <thead> <tr><th>实体对象</th><th>关系类型</th> </tr> </thead> <tbody> <tr v-for='(item, index) in nodeInfoTargetList' :key='index'><td : @click='moveCenterThisNode(item.id)'>{{ item.label }}</td><td>{{ item.relationType }}</td> </tr> </tbody> </table> <p v-else>无数据</p></el-collapse-item> </el-collapse> </div> </el-tab-pane> <el-tab-pane label='属性' name='second'> <div class='nodeInfoAttribute'> <el-table :data='nodeInfoAttributeList' border style='width: 100%'><el-table-column prop='name' label='属性名'></el-table-column><el-table-column prop='value' label='属性值'></el-table-column> </el-table> </div> </el-tab-pane></el-tabs> </div> </el-drawer> <!-- ============================================= 节点配置 ============================================= --> <el-drawer :visible.sync='nodeConfigDrawer' direction='rtl' :modal='false' size='20%' > <div class='nodeConfig'><el-form ref='form' :model='nodeConfigForm' label- label-position='left'> <el-form-item label='名称'> <el-input v-model='nodeConfigForm.label' placeholder='请输入节点名称'></el-input> </el-form-item> <el-form-item label='类型'> <el-select v-model='nodeConfigForm.shape' placeholder='请选择节点类型'> <el-optionv-for='(item, index) in nodeTypeList':key='’node’ + index':label='item.label':value='item.value' ></el-option> </el-select> </el-form-item> <el-form-item label='颜色'> <div class='form-color'> <el-inputv-model='nodeConfigForm.fillColor' placeholder='请选择颜色'readonly ></el-input> <el-color-pickerv-model='nodeConfigForm.hexColor' @change='colorChange(nodeConfigForm.hexColor, ’fillColor’)' ></el-color-picker> </div> </el-form-item> <el-form-item label='大小'> <el-input v-model='nodeConfigForm.size' placeholder='请输入节点大小' type='number'></el-input> </el-form-item> <el-form-item label='边框宽度'> <el-input v-model='nodeConfigForm.borderWidth' placeholder='请输入边框宽度' type='number'></el-input> </el-form-item> <el-form-item label='边框虚线'> <el-select v-model='nodeConfigForm.borderDash' placeholder='请选择边框虚线'> <el-option label='否' :value='false'></el-option> <el-option label='是' :value='true'></el-option> </el-select> </el-form-item> <el-form-item label='边框颜色'> <div class='form-color'> <el-inputv-model='nodeConfigForm.borderColor' placeholder='请选择边框颜色'readonly ></el-input> <el-color-pickerv-model='nodeConfigForm.borderHexColor' @change='colorChange(nodeConfigForm.borderHexColor, ’borderColor’)' ></el-color-picker> </div> </el-form-item> <el-form-item label='字体位置'> <el-select v-model='nodeConfigForm.textPosition' placeholder='请选择字体位置'> <el-optionv-for='(item, index) in textPositionList':key='index':label='item.label':value='item.value' ></el-option> </el-select> </el-form-item> <el-form-item label='字体样式'> <el-input v-model='nodeConfigForm.font' placeholder='请输入字体样式'></el-input> </el-form-item> <el-form-item label='字体颜色'> <div class='form-color'> <el-inputv-model='nodeConfigForm.fontColor' placeholder='请选择字体颜色'readonly ></el-input> <el-color-pickerv-model='nodeConfigForm.fontHexColor' @change='colorChange(nodeConfigForm.fontHexColor, ’fontColor’)' ></el-color-picker> </div> </el-form-item> <el-form-item label='字体背景'> <div class='form-color'> <el-inputv-model='nodeConfigForm.fontBgColor' placeholder='请选择字体背景'readonly ></el-input> <el-color-pickerv-model='nodeConfigForm.fontBgHexColor' @change='colorChange(nodeConfigForm.fontBgHexColor, ’fontBgColor’)' ></el-color-picker> </div> </el-form-item> <el-form-item label='字体偏移'> <el-input v-model='nodeConfigForm.textOffset' placeholder='请输入字体偏移' type='number' max='100' min='-100' ></el-input> </el-form-item></el-form><div class='save-setting'> <el-button type='primary' @click='saveSetting'>保存配置</el-button></div> </div> </el-drawer> </div></template><script>import VisGraph from ’@/assets/js/GraphVis/old/visgraph.min.js’import LayoutFactory from ’@/assets/js/GraphVis/old/visgraph-layout.min.js’import screenfull from ’screenfull’import { company} from ’@/assets/js/company.js’export default { name: ’DesignGraph’, components: { VisGraph, LayoutFactory }, data() { return { // 画布实例 visgraph: null, // 中心节点 centerNode: null, // 已选中节点 currentNode: [], // 选中节点信息 checkedNodeInfo: {}, // 图谱配置 config: {node: { label: { show: true, color: ’250,250,250’, font: ’normal 14px Microsoft YaHei’, textPosition: ’Middle_Center’, borderWidth: 0, wrapText: true }, shape: ’circle’, width: 60, height: 60, color: ’62,160,250’, borderColor: ’62,160,250’, borderWidth: 0, borderRadius: 0, lineDash: [0], alpha: 1, selected: { borderColor: ’136,198,255’, borderAlpha: 1, borderWidth: 3, showShadow: true, shadowColor: ’136,198,255’ }, onClick: (event, node) => { // this.visgraph.highLightNeiberNodes(node, 1) // 高亮 }, ondblClick: (event, node) => { this.visgraph.restoreHightLight() // 取消高亮 const allNodes = this.visgraph.getVisibleData() this.currentNode.push(node.id) allNodes.nodes.forEach(item => { if (this.currentNode.indexOf(item.id) === (-1)) {this.visgraph.deleteNode(item) } }) const findNodeNum = Math.round(Math.random() * 50) const increamData = this.buildIncreamData(node, findNodeNum) this.visgraph.activeAddNodeLinks(increamData.nodes, increamData.links) this.visgraph.translateToCenter() }, onMouseOver: (event, node) => { }, onMouseOut: (event, node) => { }},link: { label: { show: true, color: ’100,100,200’, font: ’normal 10px Arial’ }, lineType: ’direct’, colorType: ’defined’, color: ’200,200,200’, alpha: 1, lineWidth: 1, lineDash: [0], showArrow: true, selected: { color: ’20,250,50’, alpha: 1, lineWidth: 4, showShadow: true, shadowColor: ’50,250,50’ }},highLightNeiber: true,wheelZoom: 0.8,noElementClick: (event, _graphvis) => { // 点击画布其他位置,弹框隐藏 this.nodeMenuDialogClose()} }, // 节点信息弹框 nodeInfoDrawer: false, // 节点信息表单 nodeInfoForm: {label: ’’,id: ’’ }, // 节点信息弹框tab选项名称 nodeInfoActiveName: ’first’, // 关联关系 nodeInfoRelationActive: [’1’, ’2’], // 目标节点列表 nodeInfoTargetList: [], // 来源节点列表 nodeInfoSourceList: [], // 节点属性列表 nodeInfoAttributeList: [], // 节点配置弹框 nodeConfigDrawer: false, // 节点配置表单 nodeConfigForm: {label: ’’,shape: ’’,fillColor: ’’,hexColor: ’’,size: ’’,borderWidth: ’’,borderDash: ’’,borderColor: ’’,borderHexColor: ’’,textPosition: ’’,font: ’’,fontColor: ’’,fontHexColor: ’’,fontBgColor: ’’,fontBgHexColor: ’’,textOffset: ’’ }, // 节点类型列表 nodeTypeList: [{ value: ’circle’, label: ’圆形’ },{ value: ’rect’, label: ’矩形’ },{ value: ’ellipse’, label: ’椭圆形’ },{ value: ’star’, label: ’五角形’ },{ value: ’triangle’, label: ’三角形’ },{ value: ’polygon’, label: ’六边形’ } ], // 字体位置列表 textPositionList: [{ value: ’Middle_Center’, label: ’居中’ },{ value: ’Bottom_Center’, label: ’底部’ },{ value: ’top_Center’, label: ’顶部’ },{ value: ’Middle_Left’, label: ’左方’ },{ value: ’Middle_right’, label: ’右方’ }, ] } }, mounted() { this.handleData(company) window.onresize = () => { if (this.visgraph) {this.visgraph.moveCenter() } } }, methods: { /** * 处理数据 * @date 2021-07-23 * @param {Object} data */ handleData(data) { const obj = {nodes: [],links: [] } const nodes = data.nodes nodes.forEach(item => {if (item.label === ’总公司’) { const nodeObj = { id: item.id, label: item.label, properties: item, color: ’38,186,191’, selectedBorderColor: ’131,218,228’, shadowColor: ’131,218,228’ } nodeObj.size = 80 nodeObj.x = 250 nodeObj.y = 250 this.centerNode = nodeObj this.currentNode.push(item.id)} else { const nodeObj = { id: item.id, label: item.label, properties: item, size: 60 } switch (item.type) { case 1: nodeObj.color = ’242,105,97’ nodeObj.selectedBorderColor = ’249,179,157’ nodeObj.shadowColor = ’249,179,157’ break } obj.nodes.push(nodeObj)} }) const links = data.edges links.forEach(item => {const linkObj = { id: item.id, target: item.to, source: item.from, label: item.label, properties: item // strokeColor: this.getRandomColor()}switch (item.type) { case 11: linkObj.color = ’40,194,199’ linkObj.selectedColor = ’40,194,199’ linkObj.shadowColor = ’40,194,199’ break case 12: linkObj.color = ’250,108,100’ linkObj.selectedColor = ’250,108,100’ linkObj.shadowColor = ’250,108,100’ break case 13: linkObj.color = ’0,132,255’ linkObj.selectedColor = ’0,132,255’ linkObj.shadowColor = ’0,132,255’ break case 15: linkObj.color = ’250,108,100’ linkObj.selectedColor = ’250,108,100’ linkObj.shadowColor = ’250,108,100’ break}obj.links.push(linkObj) }) this.buildData(obj) }, /** * 搭建实例 * @date 2021-07-23 * @param {Object} gxData */ buildData(gxData) { this.visgraph = new VisGraph(document.getElementById(’graph-panel’), this.config) const nodeCount = gxData.nodes.length const xyArr = this.getXY(this.centerNode, nodeCount, nodeCount * 20) gxData.nodes.forEach((n, i) => {n.x = xyArr[i].xn.y = xyArr[i].yn.size = 60 }) gxData.nodes.push(this.centerNode) this.visgraph.drawData(gxData) this.visgraph.setZoom() }, /** * 遍布选中节点周围的点坐标 * @date 2021-07-23 * @param {中心节点} centerNode * @param {节点数量} nodeCount * @param {距离中心点距离} raduis * @returns {Array} */ getXY(centerNode, nodeCount, raduis) { const aop = 360.0 / nodeCount const arr = [] for (let i = 0; i < nodeCount; i++) {let r1 = raduisif (nodeCount > 10) { r1 = (i % 2 === 0 ? raduis + 35 : raduis - 35)}const ao = i * aopconst o1 = {}o1.x = centerNode.x + r1 * Math.cos(ao * Math.PI / 180)o1.y = centerNode.y + r1 * Math.sin(ao * Math.PI / 180)arr[i] = o1 } return arr }, /** * 随机产生节点 * @date 2021-07-23 * @param {当前选中节点} centerNode * @param {节点数量} nodeNum * @returns {Object} */ buildIncreamData(centerNode, nodeNum) { const gxData = {nodes: [],links: [] } const count = nodeNum const nodeIdPrefix = ’node_’ + Math.round(Math.random() * 1000) + ’_’ for (let i = 0; i < count; i++) {gxData.nodes.push({ id: nodeIdPrefix + i, label: ’子节点+’ + i, size: 60 // color: this.getRandomColor()})gxData.links.push({ source: centerNode.id, target: nodeIdPrefix + i, label: ’关系’ + i}) } return gxData }, /** * 画布右键事件 * @date 2021-07-26 * @param {Object} event */ globalClickedDispatch(event) { if (event.button === 2) {if (this.visgraph.currentNode) { this.nodeMenuDialogOpen(event, this.visgraph.currentNode)} } }, /** * 右键节点菜单显示 * @date 2021-07-26 * @param {Object} event * @param {Object} node */ nodeMenuDialogOpen(event, node) { let nodeMenuDialog = document.getElementById('nodeMenuDialog'); nodeMenuDialog.style.left = event.clientX + 'px'; nodeMenuDialog.style.top = (event.clientY - 76) + 'px'; nodeMenuDialog.style.display = 'block'; this.checkedNodeInfo = node; event.stopPropagation(); }, /** * 关闭节点菜单 * @date 2021-07-26 */ nodeMenuDialogClose() { let nodeMenuDialog = document.getElementById('nodeMenuDialog'); nodeMenuDialog.style.display = 'none'; }, /** * 点击节点信息 * @date 2021-07-26 */ clickNodeInfo() { this.nodeInfoDrawer = true // 赋值表单 this.nodeInfoForm = this.checkedNodeInfo // 关联节点 // 出节点 const k = this.checkedNodeInfo const g = (k.outLinks || []).map((link) => {return { id: link.target.id, label: link.target.label, type: link.target.type, color: ’rgb(’ + link.target.fillColor + ’)’, relationType: link.type || link.label || ’--’} }) // 入节点 const h = (k.inLinks || []).map((link) => {return { id: link.source.id, label: link.source.label, type: link.source.type, color: ’rgb(’ + link.source.fillColor + ’)’, relationType: link.type || link.label || ’--’} }) this.nodeInfoTargetList = h this.nodeInfoSourceList = g // 属性赋值 const list = [] const nameList = [’id’, ’label’, ’type’, ’cluster’, ’fillColor’, ’shape’, ’size’, ’font’, ’fontColor’, ’x’, ’y’] nameList.forEach(item => {const obj = { name: item, value: this.checkedNodeInfo[item]}list.push(obj) }) this.nodeInfoAttributeList = list this.nodeMenuDialogClose() }, /** * 选中关联操作 * @date 2021-07-26 */ selectRelation() { this.visgraph.rightMenuOprate(’selRelate’) }, /** * 删除指定节点 * @date 2021-07-26 * @returns {any} */ deleteNode() { this.visgraph.deleteNode(this.visgraph.currentNode) this.nodeMenuDialogClose() }, /** * 收起指定节点 * @date 2021-07-26 * @returns {any} */ contractNode() { if (this.visgraph.currentNode.outLinks.length > 0) {this.visgraph.contract(this.visgraph.currentNode)this.nodeMenuDialogClose() } else {this.$message.warning(’当前节点无子节点,无法收起’) } }, /** * 展开指定节点 * @date 2021-07-26 * @returns {any} */ expandedNode() { if (this.visgraph.currentNode.outLinks.length > 0) {this.visgraph.expanded(this.visgraph.currentNode)this.nodeMenuDialogClose() } else {this.$message.warning(’当前节点无子节点,无法展开’) } }, /** * 以指定节点为中心移动 * @date 2021-07-26 * @param {String} id */ moveCenterThisNode(id) { const node = this.visgraph.findNodeById(id) this.visgraph.moveNodeToCenter(node) }, /** * 节点配置 * @date 2021-07-30 * @returns {any} */ settingNode () { this.nodeMenuDialogClose() const {id,label,shape,fillColor,size,borderWidth,lineDash,borderColor,textPosition,font,fontColor,labelBackGround,textOffsetX } = this.visgraph.currentNode this.nodeConfigForm.id = id this.nodeConfigForm.label = label this.nodeConfigForm.shape = shape this.nodeConfigForm.fillColor = ’rgb(’ + fillColor + ’)’ this.nodeConfigForm.hexColor = this.rgbToHex(’rgb(’ + fillColor + ’)’) this.nodeConfigForm.size = size this.nodeConfigForm.borderWidth = borderWidth this.nodeConfigForm.borderDash = lineDash.length === 2 this.nodeConfigForm.borderColor = ’rgb(’ + borderColor + ’)’ this.nodeConfigForm.borderHexColor = this.rgbToHex(’rgb(’ + borderColor + ’)’) this.nodeConfigForm.textPosition = textPosition this.nodeConfigForm.font = font this.nodeConfigForm.fontColor = ’rgb(’ + fontColor + ’)’ this.nodeConfigForm.fontHexColor = this.rgbToHex(’rgb(’ + fontColor + ’)’) this.nodeConfigForm.fontBgColor = labelBackGround ? ’rgb(’ + labelBackGround + ’)’ : ’’ this.nodeConfigForm.fontBgHexColor = labelBackGround ? this.rgbToHex(’rgb(’ + labelBackGround + ’)’) : ’’ this.nodeConfigForm.textOffset = textOffsetX this.nodeConfigDrawer = true }, /** * 保存节点配置 * @date 2021-07-30 * @returns {any} */ saveSetting () { const {id,label,shape,fillColor,hexColor,size,borderWidth,borderDash,borderColor,borderHexColor,textPosition,font,fontColor,fontHexColor,fontBgColor,fontBgHexColor,textOffset } = this.nodeConfigForm const b = this.visgraph.findNodeByAttr(’id’, id) if (b) {b.label = labelb.size = sizeb.shape = shapeb.fillColor = this.getColorRgb(fillColor)b.textPosition = textPositionb.fontColor = this.getColorRgb(fontColor)b.labelBackGround = this.getColorRgb(fontBgColor)b.font = font;b.textOffsetY = Number(textOffset) || 2b.borderWidth = Number(borderWidth) || 2b.borderColor = this.getColorRgb(borderColor)b.lineDash = (borderDash ? [8, 5] : [0])this.visgraph.refresh()this.$message({ message: ’修改配置成功!’, type: ’success’, duration: 2000})this.nodeConfigDrawer = false } else {this.$message({ message: ’无法找到选中节点!’, type: ’error’, duration: 2000}) } }, /** * 随机获取颜色 * @date 2021-07-20 * @returns {String} 样式 */ getRandomColor() { const r = Math.floor(Math.random() * 256) const g = Math.floor(Math.random() * 256) const b = Math.floor(Math.random() * 256) return ’rgb(’ + r + ’,’ + g + ’,’ + b + ’)’ }, /** * 颜色选择框变化赋值 * @date 2021-07-26 * @param {String} val * @param {String} kay */ colorChange(val, key) { this.nodeConfigForm[key] = this.hexToRgba(val) }, /** * 16进制色值转rgb * @date 2021-07-26 * @param {String} hex * @returns {String} */ hexToRgba(hex) { return 'rgb(' + parseInt('0x' + hex.slice(1, 3)) + ',' + parseInt('0x' + hex.slice(3, 5)) + ',' + parseInt('0x' + hex.slice(5, 7)) + ')' }, /** * rgb色值转16进制 * @date 2021-07-26 * @param {String} color * @returns {String} */ rgbToHex(color) { const rgb = color.split(’,’); const r = parseInt(rgb[0].split(’(’)[1]); const g = parseInt(rgb[1]); const b = parseInt(rgb[2].split(’)’)[0]); const hex = '#' + ((1 << 24) + (r << 16) + (g << 8) + b).toString(16).slice(1); return hex; }, /** * 去掉rgb * @date 2021-07-30 * @param {String} a * @returns {String} */ getColorRgb (a) { if (a && a.length > 0) {a = a.replace(’rgb(’, ’’).replace(’)’, ’’) } else {a = null } return a }, /** * 保存图片 * @date 2021-07-23 */ saveImage() { this.visgraph.saveImage() }, /** * 导出json * @date 2021-07-30 */ exportJson () { this.visgraph.exportJsonFile() }, /** * 打开缩略图 * @date 2021-07-23 */ showOverView() { console.log(this.showOverViewFlag) this.showOverViewFlag = !this.showOverViewFlag this.visgraph.showOverView(this.showOverView) }, /** * 缩小操作 * @date 2021-07-23 */ setZoomIn() { this.visgraph.setZoom(’zoomIn’) }, /** * 放大操作 * @date 2021-07-23 */ setZoomOut() { this.visgraph.setZoom(’zoomOut’) }, /** * 顺时针旋转 * @date 2021-07-23 */ clockwiseRotate() { this.visgraph.rotateGraph(-10) }, /** * 逆时针旋转 * @date 2021-07-23 */ counterclockwiseRotate() { this.visgraph.rotateGraph(10) }, /** * 设置鼠标模式 * @date 2021-07-23 * @param {String} type drag：拖动模式 select：框选模式 normal：正常模式 */ setMouseModel(type) { this.visgraph.setMouseModel(type) }, /** * 全屏显示 * @date 2021-07-23 */ fullScreen() { screenfull.request(this.$refs.graphpanel) } }}</script><style lang='scss' scoped>#container { width: 100%; position: relative; #graph-panel { width:100%; height:100%; background:#9dadc1; position: absolute; z-index: 1; } /* 测试菜单栏 */ .left-toolbar { position: absolute; top: 0; left: 0; z-index: 1000; width: 45px; height: 100%; background-color: #fafafa; border-right: 1px solid #e5e2e2; ul { li {text-align: center;height: 35px;color: #066fba;line-height: 35px;cursor: pointer;padding: 0;i { font-size: 18px;}&:hover { background-color: #6ea36d; color: #fff;} } } } /* 右键弹框样式 */ .nodeMenuDialog { display: none; position: absolute; min-width: 100px; padding: 2px 3px; margin: 0; border: 1px solid #e3e6eb; background: #f9f9f9; color: #333; z-index: 100; border-radius: 5px; box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.2); transform: translate(0, 15px) scale(0.95); transition: transform 0.1s ease-out, opacity 0.1s ease-out; overflow: hidden; cursor: pointer; li { display: block; position: relative; margin: 0; padding: 0 10px; border-radius: 5px; white-space: nowrap; line-height: 30px; text-align: center; &:hover {background-color: #c3e5fd; } } } /* 节点信息弹框 */ .nodeInfo { .nodeInfoForm { padding: 20px 20px 0 20px; border: solid 1px #dcdfe6; border-left: none; border-right: none; margin: 20px 0; } .nodeInfoRelation { padding: 0 20px; .nodeInfo-table {width: 100%;overflow-y: scroll;th { width: 50%; border: 1px solid #ebeef5; padding: 9px 0 9px 9px; text-align: left; &:first-child { border-right: none; }}td { width: 50%; border: 1px solid #ebeef5; border-top: none; padding: 9px 0 9px 9px; &:first-child { border-right: none; }} } /deep/ .el-badge__content.is-fixed {top: 24px;right: -7px; } p {text-align: center;padding: 20px 0; } } .nodeInfoAttribute { padding: 0 20px; } } /* 节点配置弹框 */ .nodeConfig { padding: 20px 20px 0 20px; border: solid 1px #dcdfe6; border-left: none; border-right: none; margin: 20px 0; .form-color { display: flex; justify-content: space-between; .form-input {width: calc(100% - 50px); } } .save-setting { width: 100%; margin-bottom: 20px; .el-button {width: 100%; } } }}</style>

注：引入两个js的文件eslint会报错，可以把这个文件忽略，不使用eslint的可以忽略。同时该项目还基于element-ui开发，引入screenfull全屏插件，还有阿里图标库图标，自己按需引入。

Demo演示：

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