基于jeecgboot的flowable流程支持退回到发起人节点表单修改功能

if(isStartUserNode(taskId)) {
          map.put("isStartUserNode", true);
   }
     
    
    /**
     * 根据任务ID判断当前节点是否为开始节点后面的第一个用户任务节点
     *
     * @param taskId 任务Id
     * @return
     */
    boolean isStartUserNode(String taskId) {
      //判断当前是否是第一个发起任务节点，若是就put变量isStartNode为True,让相应的表单可以编辑
      boolean isStartNode= false;
    if (Objects.nonNull(taskId)) {
      // 当前任务 task
      Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
      // 获取流程定义信息
      if (task != null) {
        ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery()
            .processDefinitionId(task.getProcessDefinitionId()).singleResult();
        // 获取所有节点信息
        Process process = repositoryService.getBpmnModel(processDefinition.getId()).getProcesses().get(0);
        // 获取全部节点列表，包含子节点
        Collection<FlowElement> allElements = FlowableUtils.getAllElements(process.getFlowElements(), null);
        // 获取当前任务节点元素
        FlowElement source = null;
        if (allElements != null) {
          for (FlowElement flowElement : allElements) {
            // 类型为用户节点
            if (flowElement.getId().equals(task.getTaskDefinitionKey())) {
              // 获取节点信息
              source = flowElement;
              List<SequenceFlow> inFlows = FlowableUtils.getElementIncomingFlows(source);
              if (inFlows.size() == 1) {
                FlowElement sourceFlowElement = inFlows.get(0).getSourceFlowElement();
                if (sourceFlowElement instanceof StartEvent) {// 源是开始节点
                  isStartNode = true;
                }
              }
            }
          }
        }
      }
    }
        return isStartNode;
    }

//判断是否是开始后的第一个用户任务节点，是就放开表单编辑功能 
              if (res.result.hasOwnProperty('isStartUserNode') && res.result.isStartUserNode) {
                if(this.taskForm.category === 'online') {
                  this.startUserForm.editFormType = 'online';
                }
                else if (this.taskForm.category === 'zdyyw') {
                  this.startUserForm.editFormType = 'zdyyw';
                }
                else {
                  this.startUserForm.editFormType = 'oa';
                }
                this.startUserForm.isStartUserNode = true;
              }

<div > <!--处理流程过程中显示formdesigner表单信息-->
            <form-builder v-if = "this.startUserForm.isStartUserNode && this.startUserForm.editFormType === 'oa'" ref="refStartBuilder" v-model="formVal" :buildData="formViewData" />
            <form-viewer v-else ref="formViewer" v-model="formVal" :buildData="formViewData" />
          </div>
if(this.startUserForm.isStartUserNode) {
                    this.customForm.disabled = false;
                  }
                  else {
                    this.customForm.disabled = true;
                 
 }

if (this.startUserForm.isStartUserNode && this.startUserForm.editFormType === 'oa' ) {
          this.$refs.refStartBuilder.validate();
          const variables=JSON.parse(this.formVal);
          const formData = JSON.parse(this.formViewData);
          formData.formValue = JSON.parse(this.formVal);
          variables.variables = formData;
          console.log("variables=", variables);
          this.taskForm.variables = variables;
          this.taskForm.values = variables;
        }
        if (this.startUserForm.isStartUserNode && this.startUserForm.editFormType === 'zdyyw' ) {
          this.$refs.refCustomForm.submitForm();
        }  
        if (this.startUserForm.isStartUserNode && this.startUserForm.editFormType === 'online' ) {
          this.$message.error("目前还不支持online表单的编辑修改功能！！！");
          //this.$refs.refViewOnlForm.submitForm();
        }