增加开启流程的会签

jyjz-system/jyjz-system-oa/src/main/java/cn/jyjz/flowable/service/IFlowTaskService.java

@@ -20,6 +20,7 @@ import cn.jyjz.xiaoyao.ocr.vo.OcrTaskChildPictureVo;
 import cn.jyjz.xiaoyao.ocr.vo.OcrTaskChildPictureVo;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import org.flowable.bpmn.model.UserTask;
 import org.flowable.engine.repository.ProcessDefinition;
 import org.flowable.task.api.Task;
 
@@ -38,7 +39,18 @@ public interface IFlowTaskService {
     Category viewForm(String processId, HttpServletRequest request);
 
     Integer complete(FlowApprove approve, UserToken userToken, List<String> formIds);
-
+    /**
+     * 获取下一个节点
+     * @param processInstanceId
+     * @return
+     */
+    public UserTask getNextTasks(String processInstanceId );
+    /**
+     * 获取下一个节点
+     * @param task
+     * @return
+     */
+    public UserTask getNextTasks(Task task);
 
     /**
      * 获取当前任务的可回退的流程集合

jyjz-system/jyjz-system-oa/src/main/java/cn/jyjz/flowable/service/impl/FlowInstanceServiceImpl.java

@@ -17,6 +17,8 @@ import cn.jyjz.xiaoyao.common.base.util.StringUtils;
 import cn.jyjz.xiaoyao.common.base.vo.UserToken;
 import cn.jyjz.xiaoyao.oa.from.service.UserViewapproeService;
 import lombok.extern.slf4j.Slf4j;
+import org.flowable.bpmn.model.MultiInstanceLoopCharacteristics;
+import org.flowable.bpmn.model.UserTask;
 import org.flowable.engine.RepositoryService;
 import org.flowable.engine.repository.ProcessDefinition;
 import org.flowable.engine.runtime.ProcessInstance;
@@ -29,6 +31,7 @@ import javax.servlet.http.HttpServletRequest;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 
 @Slf4j
 @Service
@@ -84,6 +87,19 @@ public class FlowInstanceServiceImpl extends FlowServiceFactory implements IFlow
         try {
 
             variables.put("businessKey", businessKey);
+    
+            //获取下一个节点
+            UserTask userTask = this.flowTaskService.getNextTasks(procDefId);
+            if(null != userTask){
+                MultiInstanceLoopCharacteristics multiInstance = userTask.getLoopCharacteristics();
+                // 会签节点
+                if (Objects.nonNull(multiInstance)) {
+                    if(null != userTask.getCandidateUsers() && userTask.getCandidateUsers().size() > 1){
+                        variables.put("persons",userTask.getCandidateUsers());
+                    }
+                }
+            }
+            
             processInstance = runtimeService.startProcessInstanceById(procDefId, businessKey, variables);
 
             if (null != iFormCustomService) {
@@ -156,6 +172,19 @@ public class FlowInstanceServiceImpl extends FlowServiceFactory implements IFlow
         try {
 
             variables.put("businessKey", businessKey);
+    
+            //获取下一个节点
+            UserTask userTask = this.flowTaskService.getNextTasks(procDefId);
+            if(null != userTask){
+                MultiInstanceLoopCharacteristics multiInstance = userTask.getLoopCharacteristics();
+                // 会签节点
+                if (Objects.nonNull(multiInstance)) {
+                    if(null != userTask.getCandidateUsers() && userTask.getCandidateUsers().size() > 1){
+                        variables.put("persons",userTask.getCandidateUsers());
+                    }
+                }
+            }
+            
             processInstance = runtimeService.startProcessInstanceById(procDefId, businessKey, variables);
 
             if (null != iFormCustomService) {

jyjz-system/jyjz-system-oa/src/main/java/cn/jyjz/flowable/service/impl/FlowTaskServiceImpl.java

@@ -431,7 +431,35 @@ public class FlowTaskServiceImpl extends FlowServiceFactory implements IFlowTask
         }
         return result;
     }
-
+    
+    
+    public UserTask getNextTasks(String processDefinitionId ){
+        //流程实例id
+        //String processInstanceId = "5b945750-81db-11e9-a576-1a73f8e23adc";
+        
+        // 获取流程定义
+        ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery()
+                .processDefinitionId(processDefinitionId)
+                .singleResult();
+        
+        // 获取BpmnModel
+        BpmnModel bpmnModel = repositoryService.getBpmnModel(processDefinition.getId());
+        
+        // 获取所有的FlowElement，包括开始事件、结束事件、用户任务等
+        List<FlowElement> flowElements = (List<FlowElement>) bpmnModel.getMainProcess().getFlowElements();
+        
+        // 遍历FlowElement
+        for (FlowElement targetFlowElement : flowElements) {
+            //用户任务
+            if (targetFlowElement instanceof UserTask) {
+                UserTask userTask = (UserTask) targetFlowElement;
+                return userTask;
+            } else if (targetFlowElement instanceof ExclusiveGateway) {
+                setExclusiveGateway(targetFlowElement);
+            }
+        }
+        return null;
+    }
 
     public UserTask getNextTasks(Task task){