基于jeecgboot的支持flowable的排它网关之后的会签功能（二）

taskService.setAssignee(taskVo.getTaskId(), loginUser.getUsername());
            // 获取下一节点数据
            FlowNextDto nextFlowNode = flowTaskService.getNextFlowNode(task.getId(), taskVo.getValues());
            
             String definitionld = runtimeService.createProcessInstanceQuery().processInstanceId(taskVo.getInstanceId()).singleResult().getProcessDefinitionId();        //获取bpm（模型）对象
            BpmnModel bpmnModel = repositoryService.getBpmnModel(definitionld);
            //传节点定义key获取当前节点
            FlowNode flowNode = (FlowNode) bpmnModel.getFlowElement(task.getTaskDefinitionKey());
            if(Objects.nonNull(nextFlowNode)) {
                
                if(flowNode instanceof UserTask ){//当前节点是用户任务
                    UserTask userTask = (UserTask) flowNode;
                    MultiInstanceLoopCharacteristics multiInstance = userTask.getLoopCharacteristics();
                    if (Objects.nonNull(multiInstance)) {//当前节点是会签节点
                        if(nextFlowNode.getType().equals(ProcessConstants.PROCESS_MULTI_INSTANCE)) {//若下个节点也是会签节点
                            taskService.complete(taskVo.getTaskId());
                        }
                        else if(Objects.nonNull(taskVo.getValues()) && (taskVo.getValues().containsKey("approval"))) {//不是会签而且有approval
                            //complete方法来流传任务到下一个节点。其中第二个参数variables为下一个节点需要的参数Map,主要指流程设置的一些变量信息
                            taskService.complete(taskVo.getTaskId(), taskVo.getValues(),true);
                            Task nexttask = taskService.createTaskQuery().processInstanceId(taskVo.getInstanceId()).active().singleResult();
                            String assignee = taskVo.getValues().get("approval").toString();    
                            taskService.setAssignee(nexttask.getId(), assignee);
                        }
                        else {
                            taskService.complete(taskVo.getTaskId());
                        }
                    }
                    else if(Objects.nonNull(taskVo.getValues())) {//当前节点不是会签节点，而且有变量值
                        if(nextFlowNode.getType().equals(ProcessConstants.PROCESS_MULTI_INSTANCE)) {//若下个节点也是会签节点
                            if(Objects.nonNull(nextFlowNode.getUserList())) {//有下个节点有用户
                                Map<String, Object> approvalmap = new HashMap<>();
                                List<String> sysuserlist = nextFlowNode.getUserList().stream().map(obj-> (String) obj.getUsername()).collect(Collectors.toList());
                                approvalmap.put("approval", sysuserlist);
                                taskService.complete(taskVo.getTaskId(), approvalmap);
                                if(!nextFlowNode.isBisSequential()){//对并发会签进行assignee单独赋值
                                  List<Task> nexttasklist = taskService.createTaskQuery().processInstanceId(taskVo.getInstanceId()).active().list();
                                  int i=0;
                                  for (Task nexttask : nexttasklist) {
                                       String assignee = sysuserlist.get(i).toString();    
                                       taskService.setAssignee(nexttask.getId(), assignee);
                                       i++;
                                  }
                                 
                                }
                                
                            }
                            else {//有下个节点无用户
                                taskService.complete(taskVo.getTaskId(),taskVo.getValues());
                               }
                        }
                        else {//下个节点也不是会签而且有approval
                             taskService.complete(taskVo.getTaskId(), taskVo.getValues(),true);
                              Task nexttask = taskService.createTaskQuery().processInstanceId(taskVo.getInstanceId()).active().singleResult();
                              if(taskVo.getValues().containsKey("approval")) {//前端传回的审批人变量值
                                 String assignee = taskVo.getValues().get("approval").toString();    
                                 taskService.setAssignee(nexttask.getId(), assignee);
                              }
                        }
                     }
                     else {//无传值情况
                           taskService.complete(taskVo.getTaskId());
                         }
                     }
               }
            else { //下一个节点是空
                taskService.complete(taskVo.getTaskId());
            }