基于若依的ruoyi-nbcio流程管理系统仿钉钉流程json转bpmn的flowable的xml格式（支持并行网关）

宁波阿成2023-11-12 19:12

更多ruoyi-nbcio功能请看演示系统

gitee源代码地址

前后端代码： https://gitee.com/nbacheng/ruoyi-nbcio

演示地址：RuoYi-Nbcio后台管理系统

这个章节来完成并行网关，前端无需修改，直接后端修改就可以了。

1、并行网关后端修改如下：

java 复制代码 
 String createConcurrentGatewayBuilder(String formId, JSONObject flowNode) throws InvocationTargetException, IllegalAccessException {
        //String name = flowNode.getString("nodeName");
        ParallelGateway parallelGateway = new ParallelGateway();
        String parallelGatewayId = id("parallelGateway");
        parallelGateway.setId(parallelGatewayId);
        parallelGateway.setName("并行网关");
        ddProcess.addFlowElement(parallelGateway);
        ddProcess.addFlowElement(connect(formId, parallelGatewayId));

        if (Objects.isNull(flowNode.getJSONArray("concurrentNodes"))
                && Objects.isNull(flowNode.getJSONObject("childNode"))) {
            return parallelGatewayId;
        }

        List<JSONObject> flowNodes = Optional.ofNullable(flowNode.getJSONArray("concurrentNodes")).map(e -> e.toJavaList(JSONObject.class)).orElse(Collections.emptyList());
        List<String> incoming = Lists.newArrayListWithCapacity(flowNodes.size());
        for (JSONObject element : flowNodes) {
            JSONObject childNode = element.getJSONObject("childNode");
            if (Objects.isNull(childNode)) {
                incoming.add(parallelGatewayId);
                continue;
            }
            String identifier = create(parallelGatewayId, childNode);
            if (Objects.nonNull(identifier)) {
                incoming.add(identifier);
            }
        }

        JSONObject childNode = flowNode.getJSONObject("childNode");
        if (Objects.nonNull(childNode)) {
            // 普通结束网关
            if (CollectionUtils.isEmpty(incoming)) {
                return create(parallelGatewayId, childNode);
            } else {
                // 所有 service task 连接 end parallel gateway
                childNode.put("incoming", incoming);
                FlowElement flowElement = ddBpmnModel.getFlowElement(incoming.get(0));
                // 1.0 先进行边连接, 暂存 nextNode
                JSONObject nextNode = childNode.getJSONObject("childNode");
                childNode.put("childNode", null);
                String identifier = create(incoming.get(0), childNode);
                for (int i = 1; i < incoming.size(); i++) {
                    FlowElement flowElement1 = ddBpmnModel.getFlowElement(incoming.get(i));
                    ddProcess.addFlowElement(connect(flowElement1.getId(), identifier));
                }
                // 1.1 边连接完成后，在进行 nextNode 创建
                if (Objects.nonNull(nextNode)) {
                    return create(identifier, nextNode);
                } else {
                    return identifier;
                }
            }
        }
        return parallelGatewayId;
    }

2、效果图如下：

3、生产的xml如下：

XML 复制代码 
<?xml version="1.0" encoding="UTF-8"?>
<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:flowable="http://flowable.org/bpmn" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:omgdc="http://www.omg.org/spec/DD/20100524/DC" xmlns:omgdi="http://www.omg.org/spec/DD/20100524/DI" typeLanguage="http://www.w3.org/2001/XMLSchema" expressionLanguage="http://www.w3.org/1999/XPath" targetNamespace="http://www.flowable.org/test">
  <process id="Process_1233c789-c986-4de2-8ab2-9c24ef0a2312" name="dingding演示流程" isExecutable="true">
    <startEvent id="start_36faea0bc7344384bc52078dd43c0829"></startEvent>
    <parallelGateway id="parallelGateway_31fb5c2d6062402688b9bceb230610df" name="并行网关"></parallelGateway>
    <sequenceFlow id="sequenceFlow_8f3fb2e6498847aea4e88ad7f8527720" sourceRef="start_36faea0bc7344384bc52078dd43c0829" targetRef="parallelGateway_31fb5c2d6062402688b9bceb230610df"></sequenceFlow>
    <userTask id="userTask_261260b7d3c643f08d6000f422628363" name="审批人" flowable:assignee="ry" flowable:dataType="USERS" flowable:text="若依"></userTask>
    <sequenceFlow id="sequenceFlow_ec473d524b1f4c70ac8d59c9d11cf20a" sourceRef="parallelGateway_31fb5c2d6062402688b9bceb230610df" targetRef="userTask_261260b7d3c643f08d6000f422628363"></sequenceFlow>
    <userTask id="userTask_182b04b3cc0c465589ae5bb936185fe5" name="审批人" flowable:assignee="zhangsan" flowable:dataType="USERS" flowable:text="张三"></userTask>
    <sequenceFlow id="sequenceFlow_9c0f2e6f0a434217996502850297b251" sourceRef="parallelGateway_31fb5c2d6062402688b9bceb230610df" targetRef="userTask_182b04b3cc0c465589ae5bb936185fe5"></sequenceFlow>
    <userTask id="userTask_d81ef1ca0fa2436abf543dc6cb7d80df" name="审批人" flowable:assignee="admin" flowable:dataType="USERS" flowable:text="若依管理员"></userTask>
    <sequenceFlow id="sequenceFlow_2227bd432d044dc889aa9a9132ca7589" sourceRef="userTask_261260b7d3c643f08d6000f422628363" targetRef="userTask_d81ef1ca0fa2436abf543dc6cb7d80df"></sequenceFlow>
    <sequenceFlow id="sequenceFlow_8bb051d48a654b3bba4a687c6320eb29" sourceRef="userTask_182b04b3cc0c465589ae5bb936185fe5" targetRef="userTask_d81ef1ca0fa2436abf543dc6cb7d80df"></sequenceFlow>
    <endEvent id="end_28c4b21fe4d145cfb6aa1019d13a24ac"></endEvent>
    <sequenceFlow id="sequenceFlow_008d4f7e2c0e4246af7d5c4092af6a21" sourceRef="userTask_d81ef1ca0fa2436abf543dc6cb7d80df" targetRef="end_28c4b21fe4d145cfb6aa1019d13a24ac"></sequenceFlow>
  </process>
  <bpmndi:BPMNDiagram id="BPMNDiagram_Process_1233c789-c986-4de2-8ab2-9c24ef0a2312">
    <bpmndi:BPMNPlane bpmnElement="Process_1233c789-c986-4de2-8ab2-9c24ef0a2312" id="BPMNPlane_Process_1233c789-c986-4de2-8ab2-9c24ef0a2312">
      <bpmndi:BPMNShape bpmnElement="start_36faea0bc7344384bc52078dd43c0829" id="BPMNShape_start_36faea0bc7344384bc52078dd43c0829">
        <omgdc:Bounds height="30.0" width="30.0" x="0.0" y="95.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="userTask_d81ef1ca0fa2436abf543dc6cb7d80df" id="BPMNShape_userTask_d81ef1ca0fa2436abf543dc6cb7d80df">
        <omgdc:Bounds height="60.0" width="100.0" x="320.0" y="80.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="userTask_182b04b3cc0c465589ae5bb936185fe5" id="BPMNShape_userTask_182b04b3cc0c465589ae5bb936185fe5">
        <omgdc:Bounds height="60.0" width="100.0" x="170.0" y="160.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="parallelGateway_31fb5c2d6062402688b9bceb230610df" id="BPMNShape_parallelGateway_31fb5c2d6062402688b9bceb230610df">
        <omgdc:Bounds height="40.0" width="40.0" x="80.0" y="90.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="userTask_261260b7d3c643f08d6000f422628363" id="BPMNShape_userTask_261260b7d3c643f08d6000f422628363">
        <omgdc:Bounds height="60.0" width="100.0" x="170.0" y="0.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="end_28c4b21fe4d145cfb6aa1019d13a24ac" id="BPMNShape_end_28c4b21fe4d145cfb6aa1019d13a24ac">
        <omgdc:Bounds height="30.0" width="30.0" x="470.0" y="95.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge bpmnElement="sequenceFlow_8bb051d48a654b3bba4a687c6320eb29" id="BPMNEdge_sequenceFlow_8bb051d48a654b3bba4a687c6320eb29">
        <omgdi:waypoint x="270.0" y="190.0"></omgdi:waypoint>
        <omgdi:waypoint x="282.0" y="190.0"></omgdi:waypoint>
        <omgdi:waypoint x="282.0" y="110.0"></omgdi:waypoint>
        <omgdi:waypoint x="320.0" y="110.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="sequenceFlow_8f3fb2e6498847aea4e88ad7f8527720" id="BPMNEdge_sequenceFlow_8f3fb2e6498847aea4e88ad7f8527720">
        <omgdi:waypoint x="30.0" y="110.0"></omgdi:waypoint>
        <omgdi:waypoint x="80.0" y="110.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="sequenceFlow_ec473d524b1f4c70ac8d59c9d11cf20a" id="BPMNEdge_sequenceFlow_ec473d524b1f4c70ac8d59c9d11cf20a">
        <omgdi:waypoint x="120.0" y="102.5"></omgdi:waypoint>
        <omgdi:waypoint x="132.0" y="102.5"></omgdi:waypoint>
        <omgdi:waypoint x="132.0" y="30.000000000000007"></omgdi:waypoint>
        <omgdi:waypoint x="170.0" y="30.000000000000007"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="sequenceFlow_9c0f2e6f0a434217996502850297b251" id="BPMNEdge_sequenceFlow_9c0f2e6f0a434217996502850297b251">
        <omgdi:waypoint x="120.0" y="117.5"></omgdi:waypoint>
        <omgdi:waypoint x="132.0" y="117.5"></omgdi:waypoint>
        <omgdi:waypoint x="132.0" y="190.0"></omgdi:waypoint>
        <omgdi:waypoint x="170.0" y="190.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="sequenceFlow_008d4f7e2c0e4246af7d5c4092af6a21" id="BPMNEdge_sequenceFlow_008d4f7e2c0e4246af7d5c4092af6a21">
        <omgdi:waypoint x="420.0" y="110.0"></omgdi:waypoint>
        <omgdi:waypoint x="470.0" y="110.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="sequenceFlow_2227bd432d044dc889aa9a9132ca7589" id="BPMNEdge_sequenceFlow_2227bd432d044dc889aa9a9132ca7589">
        <omgdi:waypoint x="270.0" y="30.0"></omgdi:waypoint>
        <omgdi:waypoint x="282.0" y="30.0"></omgdi:waypoint>
        <omgdi:waypoint x="282.0" y="110.0"></omgdi:waypoint>
        <omgdi:waypoint x="320.0" y="110.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>
</definitions>

4、在原来流程设计器打开如下：

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