摘要:最近写项目需要画出应用程序调用链的网路拓扑图,完全自己写需要花费些时间,那么首先想到的是但的自定义写法写起来非常麻烦,而且它的文档都是基于配置说明的,对于自定义开发不太方便,尝试后果断放弃,改用,自己完全可控。
最近写项目需要画出应用程序调用链的网路拓扑图,完全自己写需要花费些时间,那么首先想到的是echarts,但echarts的自定义写法写起来非常麻烦,而且它的文档都是基于配置说明的,对于自定义开发不太方便,尝试后果断放弃,改用D3.js,自己完全可控。
我们先看看效果
我把代码分享下,供和我一样刚接触D3的同学参考,不对的地方欢迎指正!
完整代码:
html:
Title
JS:
const fontSize = 10; const symbolSize = 40; const padding = 10; /* * 调用 new Togo(svg,option).render(); * */ class Togo { /**/ constructor(svg, option) { this.data = option.data; this.edges = option.edges; this.svg = d3.select(svg); } //主渲染方法 render() { this.scale = 1; this.width = this.svg.attr("width"); this.height = this.svg.attr("height"); this.container = this.svg.append("g") .attr("transform", "scale(" + this.scale + ")"); this.initPosition(); this.initDefineSymbol(); this.initLink(); this.initNode(); this.initZoom(); } //初始化节点位置 initPosition() { let origin = [this.width / 2, this.height / 2]; let points = this.getVertices(origin, Math.min(this.width, this.height) * 0.3, this.data.length); this.data.forEach((item, i) => { item.x = points[i].x; item.y = points[i].y; }) } //根据多边形获取定位点 getVertices(origin, r, n) { if (typeof n !== "number") return; var ox = origin[0]; var oy = origin[1]; var angle = 360 / n; var i = 0; var points = []; var tempAngle = 0; while (i < n) { tempAngle = (i * angle * Math.PI) / 180; points.push({ x: ox + r * Math.sin(tempAngle), y: oy + r * Math.cos(tempAngle), }); i++; } return points; } //两点的中心点 getCenter(x1, y1, x2, y2) { return [(x1 + x2) / 2, (y1 + y2) / 2] } //两点的距离 getDistance(x1, y1, x2, y2) { return Math.sqrt(Math.pow(x2 - x1, 2) + Math.pow(y2 - y1, 2)); } //两点角度 getAngle(x1, y1, x2, y2) { var x = Math.abs(x1 - x2); var y = Math.abs(y1 - y2); var z = Math.sqrt(x * x + y * y); return Math.round((Math.asin(y / z) / Math.PI * 180)); } //初始化缩放器 initZoom() { let self = this; let zoom = d3.zoom() .scaleExtent([0.7, 3]) .on("zoom", function () { self.onZoom(this) }); this.svg.call(zoom) } //初始化图标 initDefineSymbol() { let defs=this.container.append("svg:defs"); //箭头 const marker = defs .selectAll("marker") .data(this.edges) .enter() .append("svg:marker") .attr("id", (link, i) => "marker-" + i) .attr("markerUnits", "userSpaceOnUse") .attr("viewBox", "0 -5 10 10") .attr("refX", symbolSize / 2 + padding) .attr("refY", 0) .attr("markerWidth", 14) .attr("markerHeight", 14) .attr("orient", "auto") .attr("stroke-width", 2) .append("svg:path") .attr("d", "M2,0 L0,-3 L9,0 L0,3 M2,0 L0,-3") .attr("class","arrow") //数据库 let database =defs.append("g") .attr("id","database") .attr("transform","scale(0.042)"); database.append("path") .attr("d","M512 800c-247.42 0-448-71.63-448-160v160c0 88.37 200.58 160 448 160s448-71.63 448-160V640c0 88.37-200.58 160-448 160z") database.append("path") .attr("d","M512 608c-247.42 0-448-71.63-448-160v160c0 88.37 200.58 160 448 160s448-71.63 448-160V448c0 88.37-200.58 160-448 160z") ; database.append("path") .attr("d","M512 416c-247.42 0-448-71.63-448-160v160c0 88.37 200.58 160 448 160s448-71.63 448-160V256c0 88.37-200.58 160-448 160z") ; database.append("path") .attr("d","M64 224a448 160 0 1 0 896 0 448 160 0 1 0-896 0Z"); //云 let cloud=defs.append("g") .attr("id","cloud") .attr("transform","scale(0.042)") .append("path") .attr("d","M709.3 285.8C668.3 202.7 583 145.4 484 145.4c-132.6 0-241 102.8-250.4 233-97.5 27.8-168.5 113-168.5 213.8 0 118.9 98.8 216.6 223.4 223.4h418.9c138.7 0 251.3-118.8 251.3-265.3 0-141.2-110.3-256.2-249.4-264.5z") } //初始化链接线 initLink() { this.drawLinkLine(); this.drawLinkText(); } //初始化节点 initNode() { var self = this; //节点容器 this.nodes = this.container.selectAll(".node") .data(this.data) .enter() .append("g") .attr("transform", function (d) { return "translate(" + d.x + "," + d.y + ")"; }) .call(d3.drag() .on("drag", function (d) { self.onDrag(this, d) }) ) .on("click", function () { alert() }) //节点背景默认覆盖层 this.nodes.append("circle") .attr("r", symbolSize / 2 + padding) .attr("class", "node-bg"); //节点图标 this.drawNodeSymbol(); //节点标题 this.drawNodeTitle(); //节点其他说明 this.drawNodeOther(); this.drawNodeCode(); } //画节点语言标识 drawNodeCode() { this.nodeCodes = this.nodes.filter(item => item.type == "app") .append("g") .attr("class","node-code") .attr("transform", "translate(" + -symbolSize / 2 + "," + symbolSize / 3 + ")") this.nodeCodes .append("circle") .attr("r", d => fontSize / 2 * d.code.length / 2 + 3) this.nodeCodes .append("text") .attr("dy", fontSize / 2) .text(item => item.code); } //画节点图标 drawNodeSymbol() { //绘制节点 this.nodes.filter(item=>item.type=="app") .append("circle") .attr("r", symbolSize / 2) .attr("fill", "#fff") .attr("class", function (d) { return "health"+d.health; }) .attr("stroke-width", "5px") this.nodes.filter(item=>item.type=="database") .append("use") .attr("xlink:href","#database") .attr("x",function () { return -this.getBBox().width/2 }) .attr("y",function () { return -this.getBBox().height/2 }) this.nodes.filter(item=>item.type=="cloud") .append("use") .attr("xlink:href","#cloud") .attr("x",function () { return -this.getBBox().width/2 }) .attr("y",function () { return -this.getBBox().height/2 }) } //画节点右侧信息 drawNodeOther() { //如果是应用的时候 this.nodeOthers = this.nodes.filter(item => item.type == "app") .append("text") .attr("x", symbolSize / 2 + padding) .attr("y", -5) .attr("class","node-other") this.nodeOthers.append("tspan") .text(d => d.time + "ms"); this.nodeOthers.append("tspan") .text(d => d.rpm + "rpm") .attr("x", symbolSize / 2 + padding) .attr("dy", "1em"); this.nodeOthers.append("tspan") .text(d => d.epm + "epm") .attr("x", symbolSize / 2 + padding) .attr("dy", "1em") } //画节点标题 drawNodeTitle() { //节点标题 this.nodes.append("text") .attr("class","node-title") .text(function (d) { return d.name; }) .attr("dy", symbolSize) this.nodes.filter(item => item.type == "app").append("text") .text(function (d) { return d.active + "/" + d.total; }) .attr("dy", fontSize / 2) .attr("class","node-call") } //画节点链接线 drawLinkLine() { let data = this.data; if (this.lineGroup) { this.lineGroup.selectAll(".link") .attr( "d", link => genLinkPath(link), ) } else { this.lineGroup = this.container.append("g") this.lineGroup.selectAll(".link") .data(this.edges) .enter() .append("path") .attr("class", "link") .attr( "marker-end", (link, i) => "url(#" + "marker-" + i + ")" ).attr( "d", link => genLinkPath(link), ).attr( "id", (link, i) => "link-" + i ) .on("click", () => { alert() }) } function genLinkPath(d) { let sx = data[d.source].x; let tx = data[d.target].x; let sy = data[d.source].y; let ty = data[d.target].y; return "M" + sx + "," + sy + " L" + tx + "," + ty; } } drawLinkText() { let data = this.data; let self = this; if (this.lineTextGroup) { this.lineTexts .attr("transform", getTransform) } else { this.lineTextGroup = this.container.append("g") this.lineTexts = this.lineTextGroup .selectAll(".linetext") .data(this.edges) .enter() .append("text") .attr("dy", -2) .attr("transform", getTransform) .on("click", () => { alert() }) this.lineTexts .append("tspan") .text((d, i) => this.data[d.source].lineTime + "ms," + this.data[d.source].lineRpm + "rpm"); this.lineTexts .append("tspan") .text((d, i) => this.data[d.source].lineProtocol) .attr("dy", "1em") .attr("dx", function () { return -this.getBBox().width / 2 }) } function getTransform(link) { let s = data[link.source]; let t = data[link.target]; let p = self.getCenter(s.x, s.y, t.x, t.y); let angle = self.getAngle(s.x, s.y, t.x, t.y); if (s.x > t.x && s.y < t.y || s.x < t.x && s.y > t.y) { angle = -angle } return "translate(" + p[0] + "," + p[1] + ") rotate(" + angle + ")" } } update(d) { this.drawLinkLine(); this.drawLinkText(); } //拖拽方法 onDrag(ele, d) { d.x = d3.event.x; d.y = d3.event.y; d3.select(ele) .attr("transform", "translate(" + d3.event.x + "," + d3.event.y + ")") this.update(d); } //缩放方法 onZoom(ele) { var transform = d3.zoomTransform(ele); this.scale = transform.k; this.container.attr("transform", "translate(" + transform.x + "," + transform.y + ")scale(" + transform.k + ")") } }
数据:
let __options={ data:[{ type:"app", name: "monitor-web-server", time: 30, rpm: 40, epm: 50, active: 3, total: 5, code: "java", health: 1, lineProtocol: "http", lineTime: 12, lineRpm: 34, }, { type:"database", name: "Mysql", time: 30, rpm: 40, epm: 50, active: 3, total: 5, code: "java", health: 2, lineProtocol: "http", lineTime: 12, lineRpm: 34, }, { type:"app", name: "Redis", time: 30, rpm: 40, epm: 50, active: 3, total: 5, code: "java", health: 3, lineProtocol: "http", lineTime: 12, lineRpm: 34, }, { type:"cloud", name: "ES", time: 30, rpm: 40, epm: 50, active: 3, total: 5, code: "java", health: 1, lineProtocol: "http", lineTime: 12, lineRpm: 34, value: 100 } ], edges: [ { source: 0, target: 3, }, { source: 1, target: 2, } , { source: 1, target: 3, }, { source: 0, target: 1, }, { source: 0, target: 2, } // { // source: 3, // target: 2, // }, ] }
文章版权归作者所有,未经允许请勿转载,若此文章存在违规行为,您可以联系管理员删除。
转载请注明本文地址:https://www.ucloud.cn/yun/52567.html
摘要:最近写项目需要画出应用程序调用链的网路拓扑图,完全自己写需要花费些时间,那么首先想到的是但的自定义写法写起来非常麻烦,而且它的文档都是基于配置说明的,对于自定义开发不太方便,尝试后果断放弃,改用,自己完全可控。 最近写项目需要画出应用程序调用链的网路拓扑图,完全自己写需要花费些时间,那么首先想到的是echarts,但echarts的自定义写法写起来非常麻烦,而且它的文档都是基于配置说明...
摘要:它的全称是数据驱动文档,并且它被称为一个互动和动态的数据可视化库网络。我们将使用文本编辑器和浏览器。出于测试目的,建议使用工具来检查和调试和,例如或。使矩形反映数据目前,我们阵列中的所有矩形沿轴具有相同的位置,并且不代表高度方面的数据。 欢迎大家前往腾讯云+社区,获取更多腾讯海量技术实践干货哦~ 本文由独木桥先生 发表于云+社区专栏 介绍 D3.js是一个JavaScript库。它的...
摘要:和之前用的有啥不同和都是用来生成各类图表的,区别的话可以从使用方法和实现方式上是通过来绘制图形具体使用方法是通过方法初始化一个实例并通过方法生成一个简单的柱状图很轻松搞定。通过来绘制图形使用时需要先创建画布元素然后进行各种绘制图形。 你的淘宝年度消费报告那炫酷的图表一下子让人忘了自己花了多少钱,各大门户网站、媒体都开始大量使用图表,于是乎又有一批工具等待我们学习的路上 什么是D3.js...
阅读 2876·2021-11-23 09:51
阅读 3576·2021-10-13 09:39
阅读 2427·2021-09-22 15:06
阅读 846·2019-08-30 15:55
阅读 3116·2019-08-30 15:44
阅读 1735·2019-08-30 14:05
阅读 3359·2019-08-29 15:24
阅读 2334·2019-08-29 12:44