【功能完善】工作流：审批详情 approve-nodes => activity-nodes 字段

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/base/user/UserSimpleBaseVO.java

@@ -9,11 +9,14 @@ public class UserSimpleBaseVO {
 
     @Schema(description = "用户编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
     private Long id;
-
     @Schema(description = "用户昵称", requiredMode = Schema.RequiredMode.REQUIRED, example = "芋艿")
     private String nickname;
-
     @Schema(description = "用户头像", example = "https://www.iocoder.cn/1.png")
     private String avatar;
 
+    @Schema(description = "部门编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
+    private Long deptId;
+    @Schema(description = "部门名称", requiredMode = Schema.RequiredMode.REQUIRED, example = "研发部")
+    private String deptName;
+
 }

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/task/BpmProcessInstanceController.http

@@ -8,7 +8,9 @@ Authorization: Bearer {{token}}
 #GET {{baseUrl}}/bpm/process-instance/get-approval-detail?processInstanceId=1d5fb5a6-85f8-11ef-b717-7e93075f94e3
 #GET {{baseUrl}}/bpm/process-instance/get-approval-detail?processInstanceId=3ee5c5ba-904a-11ef-a76e-b2ed5d6ef911
 #GET {{baseUrl}}/bpm/process-instance/get-approval-detail?processInstanceId=f630dfa2-8f92-11ef-947c-ba5e239a6eb4
-GET {{baseUrl}}/bpm/process-instance/get-approval-detail?processInstanceId=9de8bdbf-9133-11ef-ae97-eaf49df1f932
+#GET {{baseUrl}}/bpm/process-instance/get-approval-detail?processInstanceId=9de8bdbf-9133-11ef-ae97-eaf49df1f932
+#GET {{baseUrl}}/bpm/process-instance/get-approval-detail?processInstanceId=dd2188eb-9394-11ef-a039-7a9ac3d9eb6b
+GET {{baseUrl}}/bpm/process-instance/get-approval-detail?processDefinitionId=test-auto:1:c70a799a-9394-11ef-a039-7a9ac3d9eb6b
 Content-Type: application/json
 tenant-id: 1
 Authorization: Bearer {{token}}

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/task/vo/instance/BpmApprovalDetailRespVO.java

@@ -19,8 +19,8 @@ public class BpmApprovalDetailRespVO {
     @Schema(description = "流程实例的状态", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
     private Integer status; // 参见 BpmProcessInstanceStatusEnum 枚举
 
-    @Schema(description = "审批信息列表", requiredMode = Schema.RequiredMode.REQUIRED)
+    @Schema(description = "活动节点列表", requiredMode = Schema.RequiredMode.REQUIRED)
-    private List<NodeInfo> approveNodes;
+    private List<ActivityNode> activityNodes;
 
     @Schema(description = "表单字段权限")
     private Map<String, String> formFieldsPermission;
@@ -38,9 +38,9 @@ public class BpmApprovalDetailRespVO {
      */
     private BpmProcessInstanceRespVO processInstance;
 
-    @Schema(description = "审批节点信息")
+    @Schema(description = "活动节点信息")
     @Data
-    public static class NodeInfo {
+    public static class ActivityNode {
 
         @Schema(description = "节点编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "StartUserNode")
         private String id;
@@ -60,7 +60,7 @@ public class BpmApprovalDetailRespVO {
         private LocalDateTime endTime;
 
         @Schema(description = "审批节点的任务信息")
-        private List<ApprovalTaskInfo> tasks;
+        private List<ActivityNodeTask> tasks;
 
         @Schema(description = "候选人用户 ID 列表", requiredMode = Schema.RequiredMode.NOT_REQUIRED, example = "1818")
         @JsonIgnore // 不返回，只是方便后续读取，赋值给 candidateUsers
@@ -71,9 +71,9 @@ public class BpmApprovalDetailRespVO {
 
     }
 
-    @Schema(description = "审批任务信息")
+    @Schema(description = "活动节点的任务信息")
     @Data
-    public static class ApprovalTaskInfo {
+    public static class ActivityNodeTask {
 
         @Schema(description = "任务编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
         private String id;

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/task/vo/instance/BpmProcessInstanceRespVO.java

@@ -1,5 +1,6 @@
 package cn.iocoder.yudao.module.bpm.controller.admin.task.vo.instance;
 
+import cn.iocoder.yudao.module.bpm.controller.admin.base.user.UserSimpleBaseVO;
 import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.process.BpmProcessDefinitionRespVO;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
@@ -44,7 +45,7 @@ public class BpmProcessInstanceRespVO {
     /**
      * 发起流程的用户
      */
-    private User startUser;
+    private UserSimpleBaseVO startUser;
 
     @Schema(description = "流程定义的编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "2048")
     private String processDefinitionId;
@@ -58,24 +59,6 @@ public class BpmProcessInstanceRespVO {
      */
     private List<Task> tasks; // 仅在流程实例分页才返回
 
-    @Schema(description = "用户信息")
-    @Data
-    public static class User {
-
-        @Schema(description = "用户编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
-        private Long id;
-        @Schema(description = "用户昵称", requiredMode = Schema.RequiredMode.REQUIRED, example = "芋艿")
-        private String nickname;
-        @Schema(description = "用户头像", example = "https://www.iocoder.cn/1.png")
-        private String avatar;
-
-        @Schema(description = "部门编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
-        private Long deptId;
-        @Schema(description = "部门名称", requiredMode = Schema.RequiredMode.REQUIRED, example = "研发部")
-        private String deptName;
-
-    }
-
     @Schema(description = "流程任务")
     @Data
     public static class Task {

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/task/vo/task/BpmTaskRespVO.java

@@ -1,6 +1,6 @@
 package cn.iocoder.yudao.module.bpm.controller.admin.task.vo.task;
 
-import cn.iocoder.yudao.module.bpm.controller.admin.task.vo.instance.BpmProcessInstanceRespVO;
+import cn.iocoder.yudao.module.bpm.controller.admin.base.user.UserSimpleBaseVO;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
 
@@ -36,11 +36,11 @@ public class BpmTaskRespVO {
     /**
      * 负责人的用户信息
      */
-    private BpmProcessInstanceRespVO.User ownerUser;
+    private UserSimpleBaseVO ownerUser;
     /**
      * 审核的用户信息
      */
-    private BpmProcessInstanceRespVO.User assigneeUser;
+    private UserSimpleBaseVO assigneeUser;
 
     @Schema(description = "任务定义的标识", requiredMode = Schema.RequiredMode.REQUIRED, example = "Activity_one")
     private String taskDefinitionKey;
@@ -89,7 +89,7 @@ public class BpmTaskRespVO {
         /**
          * 发起人的用户信息
          */
-        private BpmProcessInstanceRespVO.User startUser;
+        private UserSimpleBaseVO startUser;
 
     }
 

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/convert/task/BpmProcessInstanceConvert.java

@@ -1,18 +1,22 @@
 package cn.iocoder.yudao.module.bpm.convert.task;
 
+import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.util.StrUtil;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.common.util.collection.MapUtils;
 import cn.iocoder.yudao.framework.common.util.number.NumberUtils;
 import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
+import cn.iocoder.yudao.module.bpm.controller.admin.base.user.UserSimpleBaseVO;
 import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.process.BpmProcessDefinitionRespVO;
 import cn.iocoder.yudao.module.bpm.controller.admin.task.vo.instance.BpmApprovalDetailRespVO;
 import cn.iocoder.yudao.module.bpm.controller.admin.task.vo.instance.BpmProcessInstanceBpmnModelViewRespVO;
 import cn.iocoder.yudao.module.bpm.controller.admin.task.vo.instance.BpmProcessInstanceRespVO;
 import cn.iocoder.yudao.module.bpm.controller.admin.task.vo.task.BpmTaskRespVO;
+import cn.iocoder.yudao.module.bpm.convert.definition.BpmProcessDefinitionConvert;
 import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmCategoryDO;
 import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmProcessDefinitionInfoDO;
 import cn.iocoder.yudao.module.bpm.event.BpmProcessInstanceStatusEvent;
+import cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.strategy.BpmTaskCandidateStartUserSelectStrategy;
 import cn.iocoder.yudao.module.bpm.framework.flowable.core.util.BpmnModelUtils;
 import cn.iocoder.yudao.module.bpm.framework.flowable.core.util.FlowableUtils;
 import cn.iocoder.yudao.module.bpm.service.message.dto.BpmMessageSendWhenProcessInstanceApproveReqDTO;
@@ -20,6 +24,7 @@ import cn.iocoder.yudao.module.bpm.service.message.dto.BpmMessageSendWhenProcess
 import cn.iocoder.yudao.module.system.api.dept.dto.DeptRespDTO;
 import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
 import org.flowable.bpmn.model.BpmnModel;
+import org.flowable.bpmn.model.UserTask;
 import org.flowable.engine.history.HistoricProcessInstance;
 import org.flowable.engine.repository.ProcessDefinition;
 import org.flowable.engine.runtime.ProcessInstance;
@@ -30,11 +35,13 @@ import org.mapstruct.Mapping;
 import org.mapstruct.MappingTarget;
 import org.mapstruct.factory.Mappers;
 
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
 import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertList;
+import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
 
 /**
  * 流程实例 Convert
@@ -65,7 +72,7 @@ public interface BpmProcessInstanceConvert {
             if (userMap != null) {
                 AdminUserRespDTO startUser = userMap.get(NumberUtils.parseLong(pageResult.getList().get(i).getStartUserId()));
                 if (startUser != null) {
-                    respVO.setStartUser(BeanUtils.toBean(startUser, BpmProcessInstanceRespVO.User.class));
+                    respVO.setStartUser(BeanUtils.toBean(startUser, UserSimpleBaseVO.class));
                     MapUtils.findAndThen(deptMap, startUser.getDeptId(), dept -> respVO.getStartUser().setDeptName(dept.getName()));
                 }
             }
@@ -75,7 +82,7 @@ public interface BpmProcessInstanceConvert {
 
     default BpmProcessInstanceRespVO buildProcessInstance(HistoricProcessInstance processInstance,
                                                           ProcessDefinition processDefinition,
-                                                          BpmProcessDefinitionInfoDO processDefinitionExt,
+                                                          BpmProcessDefinitionInfoDO processDefinitionInfo,
                                                           AdminUserRespDTO startUser,
                                                           DeptRespDTO dept) {
         BpmProcessInstanceRespVO respVO = BeanUtils.toBean(processInstance, BpmProcessInstanceRespVO.class);
@@ -83,10 +90,10 @@ public interface BpmProcessInstanceConvert {
         respVO.setFormVariables(FlowableUtils.getProcessInstanceFormVariable(processInstance));
         // definition
         respVO.setProcessDefinition(BeanUtils.toBean(processDefinition, BpmProcessDefinitionRespVO.class));
-        copyTo(processDefinitionExt, respVO.getProcessDefinition());
+        copyTo(processDefinitionInfo, respVO.getProcessDefinition());
         // user
         if (startUser != null) {
-            respVO.setStartUser(BeanUtils.toBean(startUser, BpmProcessInstanceRespVO.User.class));
+            respVO.setStartUser(BeanUtils.toBean(startUser, UserSimpleBaseVO.class));
             if (dept != null) {
                 respVO.getStartUser().setDeptName(dept.getName());
             }
@@ -144,17 +151,27 @@ public interface BpmProcessInstanceConvert {
         return respVO;
     }
 
-    default BpmProcessInstanceRespVO.User buildUser(String userId,
+    default UserSimpleBaseVO buildUser(String userIdStr,
-                                                    Map<Long, AdminUserRespDTO> userMap,
+                                       Map<Long, AdminUserRespDTO> userMap,
-                                                    Map<Long, DeptRespDTO> deptMap) {
+                                       Map<Long, DeptRespDTO> deptMap) {
-        if (StrUtil.isBlank(userId)) {
+        if (StrUtil.isEmpty(userIdStr)) {
             return null;
         }
-        AdminUserRespDTO user = userMap.get(NumberUtils.parseLong(userId));
+        Long userId = NumberUtils.parseLong(userIdStr);
+        return buildUser(userId, userMap, deptMap);
+    }
+
+    default UserSimpleBaseVO buildUser(Long userId,
+                                                    Map<Long, AdminUserRespDTO> userMap,
+                                                    Map<Long, DeptRespDTO> deptMap) {
+        if (userId == null) {
+            return null;
+        }
+        AdminUserRespDTO user = userMap.get(userId);
         if (user == null) {
             return null;
         }
-        BpmProcessInstanceRespVO.User userVO = BeanUtils.toBean(user, BpmProcessInstanceRespVO.User.class);
+        UserSimpleBaseVO userVO = BeanUtils.toBean(user, UserSimpleBaseVO.class);
         DeptRespDTO dept = user.getDeptId() != null ? deptMap.get(user.getDeptId()) : null;
         if (dept != null) {
             userVO.setDeptName(dept.getName());
@@ -162,12 +179,69 @@ public interface BpmProcessInstanceConvert {
         return userVO;
     }
 
-    default BpmApprovalDetailRespVO.ApprovalTaskInfo buildApprovalTaskInfo(HistoricTaskInstance task) {
+    default BpmApprovalDetailRespVO.ActivityNodeTask buildApprovalTaskInfo(HistoricTaskInstance task) {
         if (task == null) {
             return null;
         }
-        return BeanUtils.toBean(task, BpmApprovalDetailRespVO.ApprovalTaskInfo.class)
+        return BeanUtils.toBean(task, BpmApprovalDetailRespVO.ActivityNodeTask.class)
                 .setStatus(FlowableUtils.getTaskStatus(task)).setReason(FlowableUtils.getTaskReason(task));
     }
 
+    default Set<Long> parseUserIds(HistoricProcessInstance processInstance,
+                                   List<BpmApprovalDetailRespVO.ActivityNode> activityNodes) {
+        Set<Long> userIds = new HashSet<>();
+        if (processInstance != null) {
+            userIds.add(NumberUtils.parseLong(processInstance.getStartUserId()));
+        }
+        for (BpmApprovalDetailRespVO.ActivityNode activityNode : activityNodes) {
+            CollUtil.addAll(userIds, convertSet(activityNode.getTasks(), BpmApprovalDetailRespVO.ActivityNodeTask::getAssignee));
+            CollUtil.addAll(userIds, convertSet(activityNode.getTasks(), BpmApprovalDetailRespVO.ActivityNodeTask::getOwner));
+            CollUtil.addAll(userIds, activityNode.getCandidateUserIds());
+        }
+        return userIds;
+    }
+
+    default BpmApprovalDetailRespVO buildApprovalDetail(BpmnModel bpmnModel,
+                                                        ProcessDefinition processDefinition,
+                                                        BpmProcessDefinitionInfoDO processDefinitionInfo,
+                                                        HistoricProcessInstance processInstance,
+                                                        Integer processInstanceStatus,
+                                                        List<BpmApprovalDetailRespVO.ActivityNode> activityNodes,
+                                                        BpmTaskRespVO todoTask,
+                                                        Map<String, String> formFieldsPermission,
+                                                        Map<Long, AdminUserRespDTO> userMap,
+                                                        Map<Long, DeptRespDTO> deptMap) {
+        // 1. 流程实例
+        BpmProcessInstanceRespVO processInstanceResp = null;
+        if (processInstance != null) {
+            AdminUserRespDTO startUser = userMap.get(NumberUtils.parseLong(processInstance.getStartUserId()));
+            DeptRespDTO dept = startUser != null ? deptMap.get(startUser.getDeptId()) : null;
+            processInstanceResp = buildProcessInstance(processInstance, null, null, startUser, dept);
+        }
+
+        // 2. 流程定义
+        List<UserTask> userTaskList = BpmTaskCandidateStartUserSelectStrategy.getStartUserSelectUserTaskList(bpmnModel);
+        BpmProcessDefinitionRespVO definitionResp = BpmProcessDefinitionConvert.INSTANCE.buildProcessDefinition(
+                processDefinition, null, processDefinitionInfo, null, null, bpmnModel, userTaskList);
+
+        // 3. 流程节点
+        activityNodes.forEach(approveNode -> {
+            if (approveNode.getTasks() != null) {
+                approveNode.getTasks().forEach(task -> {
+                    task.setAssigneeUser(buildUser(task.getAssignee(), userMap, deptMap));
+                    task.setOwnerUser(buildUser(task.getOwner(), userMap, deptMap));
+                });
+            }
+            approveNode.setCandidateUsers(convertList(approveNode.getCandidateUserIds(), userId -> buildUser(userId, userMap, deptMap)));
+        });
+
+        // 4. 拼接起来
+        return new BpmApprovalDetailRespVO().setStatus(processInstanceStatus)
+                .setProcessDefinition(definitionResp)
+                .setProcessInstance(processInstanceResp)
+                .setFormFieldsPermission(formFieldsPermission)
+                .setTodoTask(todoTask)
+                .setActivityNodes(activityNodes);
+    }
+
 }

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/convert/task/BpmTaskConvert.java

@@ -6,7 +6,7 @@ import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
 import cn.iocoder.yudao.framework.common.util.number.NumberUtils;
 import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
-import cn.iocoder.yudao.module.bpm.controller.admin.task.vo.instance.BpmProcessInstanceRespVO;
+import cn.iocoder.yudao.module.bpm.controller.admin.base.user.UserSimpleBaseVO;
 import cn.iocoder.yudao.module.bpm.controller.admin.task.vo.task.BpmTaskRespVO;
 import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmFormDO;
 import cn.iocoder.yudao.module.bpm.framework.flowable.core.util.BpmnModelUtils;
@@ -51,7 +51,7 @@ public interface BpmTaskConvert {
             }
             taskVO.setProcessInstance(BeanUtils.toBean(processInstance, BpmTaskRespVO.ProcessInstance.class));
             AdminUserRespDTO startUser = userMap.get(NumberUtils.parseLong(processInstance.getStartUserId()));
-            taskVO.getProcessInstance().setStartUser(BeanUtils.toBean(startUser, BpmProcessInstanceRespVO.User.class));
+            taskVO.getProcessInstance().setStartUser(BeanUtils.toBean(startUser, UserSimpleBaseVO.class));
         });
     }
 
@@ -65,7 +65,7 @@ public interface BpmTaskConvert {
             // 用户信息
             AdminUserRespDTO assignUser = userMap.get(NumberUtils.parseLong(task.getAssignee()));
             if (assignUser != null) {
-                taskVO.setAssigneeUser(BeanUtils.toBean(assignUser, BpmProcessInstanceRespVO.User.class));
+                taskVO.setAssigneeUser(BeanUtils.toBean(assignUser, UserSimpleBaseVO.class));
                 findAndThen(deptMap, assignUser.getDeptId(), dept -> taskVO.getAssigneeUser().setDeptName(dept.getName()));
             }
             // 流程实例
@@ -73,7 +73,7 @@ public interface BpmTaskConvert {
             if (processInstance != null) {
                 AdminUserRespDTO startUser = userMap.get(NumberUtils.parseLong(processInstance.getStartUserId()));
                 taskVO.setProcessInstance(BeanUtils.toBean(processInstance, BpmTaskRespVO.ProcessInstance.class));
-                taskVO.getProcessInstance().setStartUser(BeanUtils.toBean(startUser, BpmProcessInstanceRespVO.User.class));
+                taskVO.getProcessInstance().setStartUser(BeanUtils.toBean(startUser, UserSimpleBaseVO.class));
             }
             return taskVO;
         });
@@ -92,7 +92,7 @@ public interface BpmTaskConvert {
             // 流程实例
             AdminUserRespDTO startUser = userMap.get(NumberUtils.parseLong(processInstance.getStartUserId()));
             taskVO.setProcessInstance(BeanUtils.toBean(processInstance, BpmTaskRespVO.ProcessInstance.class));
-            taskVO.getProcessInstance().setStartUser(BeanUtils.toBean(startUser, BpmProcessInstanceRespVO.User.class));
+            taskVO.getProcessInstance().setStartUser(BeanUtils.toBean(startUser, UserSimpleBaseVO.class));
             // 表单信息
             BpmFormDO form = MapUtil.get(formMap, NumberUtils.parseLong(task.getFormKey()), BpmFormDO.class);
             if (form != null) {
@@ -112,7 +112,7 @@ public interface BpmTaskConvert {
         return convertList(taskList, task -> BeanUtils.toBean(task, BpmTaskRespVO.class, taskVO -> {
             AdminUserRespDTO assignUser = userMap.get(NumberUtils.parseLong(task.getAssignee()));
             if (assignUser != null) {
-                taskVO.setAssigneeUser(BeanUtils.toBean(assignUser, BpmProcessInstanceRespVO.User.class));
+                taskVO.setAssigneeUser(BeanUtils.toBean(assignUser, UserSimpleBaseVO.class));
                 DeptRespDTO dept = deptMap.get(assignUser.getDeptId());
                 if (dept != null) {
                     taskVO.getAssigneeUser().setDeptName(dept.getName());
@@ -120,7 +120,7 @@ public interface BpmTaskConvert {
             }
             AdminUserRespDTO ownerUser = userMap.get(NumberUtils.parseLong(task.getOwner()));
             if (ownerUser != null) {
-                taskVO.setOwnerUser(BeanUtils.toBean(ownerUser, BpmProcessInstanceRespVO.User.class));
+                taskVO.setOwnerUser(BeanUtils.toBean(ownerUser, UserSimpleBaseVO.class));
                 findAndThen(deptMap, ownerUser.getDeptId(), dept -> taskVO.getOwnerUser().setDeptName(dept.getName()));
             }
         }));
@@ -166,7 +166,7 @@ public interface BpmTaskConvert {
                                 Map<Long, DeptRespDTO> deptMap) {
         AdminUserRespDTO ownerUser = userMap.get(NumberUtils.parseLong(taskOwner));
         if (ownerUser != null) {
-            task.setOwnerUser(BeanUtils.toBean(ownerUser, BpmProcessInstanceRespVO.User.class));
+            task.setOwnerUser(BeanUtils.toBean(ownerUser, UserSimpleBaseVO.class));
             findAndThen(deptMap, ownerUser.getDeptId(), dept -> task.getOwnerUser().setDeptName(dept.getName()));
         }
     }
@@ -192,7 +192,7 @@ public interface BpmTaskConvert {
                                    Map<Long, DeptRespDTO> deptMap) {
         AdminUserRespDTO assignUser = userMap.get(NumberUtils.parseLong(taskAssignee));
         if (assignUser != null) {
-            task.setAssigneeUser(BeanUtils.toBean(assignUser, BpmProcessInstanceRespVO.User.class));
+            task.setAssigneeUser(BeanUtils.toBean(assignUser, UserSimpleBaseVO.class));
             findAndThen(deptMap, assignUser.getDeptId(), dept -> task.getAssigneeUser().setDeptName(dept.getName()));
         }
     }

yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/util/FlowableUtils.java

@@ -98,6 +98,16 @@ public class FlowableUtils {
         return (Integer) processVariables.get(BpmnVariableConstants.PROCESS_INSTANCE_VARIABLE_STATUS);
     }
 
+    /**
+     * 获得流程实例的审批原因
+     *
+     * @param processInstance 流程实例
+     * @return 审批原因
+     */
+    public static String getProcessInstanceReason(HistoricProcessInstance processInstance) {
+        return (String) processInstance.getProcessVariables().get(BpmnVariableConstants.PROCESS_INSTANCE_VARIABLE_REASON);
+    }
+
     /**
      * 获得流程实例的表单
      *