bpmn.js实现流程图设计绘制工具代码-html代码-BFW代码库

代码语言：html
所属分类：图表
代码描述：bpmn.js实现流程图设计绘制工具代码,包含打开与导出流程图数据。
下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <title>Hello World</title>

    <!-- required modeler styles -->
<link type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/bpmn-js.css">
<link type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/diagram-js.css">
<link type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/bpmn.css">

    <!-- modeler distro -->
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/bpmn-modeler.development.js"></script>

    <!-- needed for this example only -->
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/jquery-3.2.1.min.js"></script>

    <!-- example styles -->
    <style>
      html, body, #canvas {
        height: 100%;
        padding: 0;
        margin: 0;
      }

      .diagram-note {
        background-color: rgba(66, 180, 21, 0.7);
        color: White;
        border-radius: 5px;
        font-family: Arial;
        font-size: 12px;
        padding: 5px;
        min-height: 16px;
        width: 50px;
        text-align: center;
      }

      .needs-discussion:not(.djs-connection) .djs-visual > :nth-child(1) {
        stroke: rgba(66, 180, 21, 0.7) !important; /* color elements as red */
      }

      #save-button {
        position: fixed;
        bottom: 20px;
        left: 20px;
      }
    </style>
  </head>
  <body>
    <div id="canvas"></div>

    <button id="save-button">print to console</button>

    <script>

      //var diagramUrl = 'https://cdn.staticaly.com/gh/bpmn-io/bpmn-js-examples/dfceecba/starter/diagram.bpmn';

      // modeler instance
      var bpmnModeler = new BpmnJS({
        container: '#canvas',
        keyboard: {
          bindTo: window
        }
      });

      /**
       * Save diagram contents and print them to the console.
       */
      async function exportDiagram() {

        try {

          var result = await bpmnModeler.saveXML({ format: true });

          alert('Diagram exported. Check the developer tools!');

          console.log('DIAGRAM', result.xml);
        } catch (err) {

          console.error('could not save BPMN 2.0 diagram', err);
        }
      }

      /**
       * Open diagram in our modeler instance.
       *
       * @param {String} bpmnXML diagram to display
       */
      async function openDiagram() {
 var diagramXML = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n<definitions xmlns=\"http://www.omg.org/spec/BPMN/20100524/MODEL\"\r\n             xmlns:bpmndi=\"http://www.omg.org/spec/BPMN/20100524/DI\"\r\n             xmlns:omgdc=\"http://www.omg.org/spec/DD/20100524/DC\"\r\n             xmlns:omgdi=\"http://www.omg.org/spec/DD/20100524/DI\"\r\n             xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\r\n             expressionLanguage=\"http://www.w3.org/1999/XPath\"\r\n             typeLanguage=\"http://www.w3.org/2001/XMLSchema\"\r\n             targetNamespace=\"\"\r\n             xsi:schemaLocation=\"http://www.omg.org/spec/BPMN/20100524/MODEL http://www.omg.org/spec/BPMN/2.0/20100501/BPMN20.xsd\">\r\n<collaboration id=\"sid-c0e745ff-361e-4afb-8c8d-2a1fc32b1424\">\r\n    <participant id=\"sid-87F4C1D6-25E1-4A45-9DA7-AD945993D06F\" name=\"Customer\" processRef=\"sid-C3803939-0872-457F-8336-EAE484DC4A04\">\r\n    </participant>\r\n</collaboration>\r\n<process id=\"sid-C3803939-0872-457F-8336-EAE484DC4A04\" isClosed=\"false\" isExecutable=\"false\" name=\"Customer\" processType=\"None\">\r\n    <extensionElements/>\r\n    <laneSet id=\"sid-b167d0d7-e761-4636-9200-76b7f0e8e83a\">\r\n        <lane id=\"sid-57E4FE0D-18E4-478D-BC5D-B15164E93254\">\r\n            <flowNodeRef>sid-D7F237E8-56D0-4283-A3CE-4F0EFE446138</flowNodeRef>\r\n            <flowNodeRef>sid-52EB1772-F36E-433E-8F5B-D5DFD26E6F26</flowNodeRef>\r\n            <flowNodeRef>SCAN_OK</flowNodeRef>\r\n            <flowNodeRef>sid-E49425CF-8287-4798-B622-D2A7D78EF00B</flowNodeRef>\r\n            <flowNodeRef>END_EVENT</flowNodeRef>\r\n            <flowNodeRef>sid-5134932A-1863-4FFA-BB3C-A4B4078B11A9</flowNodeRef>\r\n        </lane>\r\n    </laneSet>\r\n    <startEvent id=\"sid-D7F237E8-56D0-4283-A3CE-4F0EFE446138\" name=\"Notices&#10;QR code\">\r\n        <outgoing>sid-7B791A11-2F2E-4D80-AFB3-91A02CF2B4FD</outgoing>\r\n    </startEvent>\r\n    <task completionQuantity=\"1\" id=\"sid-52EB1772-F36E-433E-8F5B-D5DFD26E6F26\" isForCompensation=\"false\" name=\"Scan QR code\" startQuantity=\"1\">\r\n        <incoming>sid-4DC479E5-5C20-4948-BCFC-9EC5E2F66D8D</incoming>\r\n        <outgoing>sid-EE8A7BA0-5D66-4F8B-80E3-CC2751B3856A</outgoing>\r\n    </task>\r\n    <exclusiveGateway gatewayDirection=\"Diverging\" id=\"SCAN_OK\" name=\"Scan successful?&#10;\">\r\n        <incoming>sid-EE8A7BA0-5D66-4F8B-80E3-CC2751B3856A</incoming>\r\n        <outgoing>sid-8B820AF5-DC5C-4618-B854-E08B71FB55CB</outgoing>\r\n        <outgoing>sid-337A23B9-A923-4CCE-B613-3E247B773CCE</outgoing>\r\n    </exclusiveGateway>\r\n    <task completionQuantity=\"1\" id=\"sid-E49425CF-8287-4798-B622-D2A7D78EF00B\" isForCompensation=\"false\" name=\"Open product information in mobile  app\" startQuantity=\"1\">\r\n        <incoming>sid-8B820AF5-DC5C-4618-B854-E08B71FB55CB</incoming>\r\n        <outgoing>sid-57EB1F24-BD94-479A-BF1F-57F1EAA19C6C</outgoing>\r\n    </task>\r\n    <endEvent id=\"END_EVENT\" name=\"Is informed\">\r\n        <incoming>sid-57EB1F24-BD94-479A-BF1F-57F1EAA19C6C</incoming>\r\n    </endEvent>\r\n    <exclusiveGateway gatewayDirection=\"Converging\" id=\"sid-5134932A-1863-4FFA-BB3C-A4B4078B11A9\">\r\n        <incoming>sid-7B791A11-2F2E-4D80-AFB3-91A02CF2B4FD</incoming>\r\n        <incoming>sid-337A23B9-A923-4CCE-B613-3E247B773CCE</incoming>\r\n        <outgoing>sid-4DC479E5-5C20-4948-BCFC-9EC5E2F66D8D</outgoing>\r\n    </exclusiveGateway>\r\n    <sequenceFlow id=\"sid-7B791A11-2F2E-4D80-AFB3-91A02CF2B4FD\" sourceRef=\"sid-D7F237E8-56D0-4283-A3CE-4F0EFE446138\" targetRef=\"sid-5134932A-1863-4FFA-BB3C-A4B4078B11A9\"/>\r\n    <sequenceFlow id=\"sid-EE8A7BA0-5D66-4F8B-80E3-CC2751B3856A\" sourceRef=\"sid-52EB1772-F36E-433E-8F5B-D5DFD26E6F26\" targetRef=\"SCAN_OK\"/>\r\n    <sequenceFlow id=\"sid-57EB1F24-BD94-479A-BF1F-57F1EAA19C6C\" sourceRef=\"sid-E49425CF-8287-4798-B622-D2A7D78EF00B\" targetRef=\"END_EVENT\"/>\r\n    <sequenceFlow id=\"sid-8B820AF5-DC5C-4618-B854-E08B71FB55CB\" name=\"Yes\" sourceRef=\"SCAN_OK\" targetRef=\"sid-E49425CF-8287-4798-B622-D2A7D78EF00B\"/>\r\n    <sequenceFlow id=\"sid-4DC479E5-5C20-4948-BCFC-9EC5E2F66D8D\" sourceRef=\"sid-5134932A-1863-4FFA-BB3C-A4B4078B11A9\" targetRef=\"sid-52EB1772-F36E-433E-8F5B-D5DFD26E6F26\"/>\r\n    <sequenceFlow id=\"sid-337A23B9-A923-4CCE-B613-3E247B773CCE\" name=\"No\" sourceRef=\"SCAN_OK\" targetRef=\"sid-5134932A-1863-4FFA-BB3C-A4B4078B11A9\"/>\r\n</process>\r\n<bpmndi:BPMNDiagram id=\"sid-74620812-92c4-44e5-949c-aa47393d3830\">\r\n    <bpmndi:BPMNPlane bpmnElement=\"sid-c0e745ff-361e-4afb-8c8d-2a1fc32b1424\" id=\"sid-cdcae759-2af7-4a6d-bd02-53f3352a731d\">\r\n        <bpmndi:BPMNShape bpmnElement=\"sid-87F4C1D6-25E1-4A45-9DA7-AD945993D06F\" id=\"sid-87F4C1D6-25E1-4A45-9DA7-AD945993D06F_gui\" isHorizontal=\"true\">\r\n            <omgdc:Bounds height=\"250.0\" width=\"933.0\" x=\"42.5\" y=\"75.0\"/>\r\n            <bpmndi:BPMNLabel labelStyle=\"sid-84cb49fd-2f7c-44fb-8950-83c3fa153d3b\">\r\n                <omgdc:Bounds height=\"59.142852783203125\" width=\"12.000000000000014\" x=\"47.49999999999999\" y=\"170.42857360839844\"/>\r\n            </bpmndi:BPMNLabel>\r\n        </bpmndi:BPMNShape>\r\n        <bpmndi:BPMNShape bpmnElement=\"sid-5.........完整代码请登录后点击上方下载按钮下载查看