fix(flow-query): show final operator for completed tasks

backend/src/main/java/com/designhub/service/TaskService.java

@@ -4727,6 +4727,16 @@ public class TaskService {
         info.setStatus(approvalStatus != null ? approvalStatus : status);
         info.setStatusName(getApprovalStatusName(approvalStatus, status, isPrimaryTask));
         info.setDescription(getApprovalStatusDescription(approvalStatus, status, isPrimaryTask));
+
+        // 任务终态：不再使用 currentApprover，避免显示历史审批人导致“当前节点”误导
+        if ("completed".equals(status) || "cancelled".equals(status)) {
+            com.designhub.vo.TaskFlowStatusVO.WaitingUser finalOperator = buildFinalOperator(task);
+            if (finalOperator != null) {
+                finalOperator.setRoleName("最后操作人");
+                info.setWaitingFor(finalOperator);
+            }
+            return info;
+        }
         
         // 设置等待操作人
         if (task.getCurrentApproverId() != null) {
@@ -4820,6 +4830,41 @@ public class TaskService {
         
         return info;
     }
+
+    private com.designhub.vo.TaskFlowStatusVO.WaitingUser buildFinalOperator(Task task) {
+        com.designhub.vo.TaskFlowStatusVO.WaitingUser waitingUser = new com.designhub.vo.TaskFlowStatusVO.WaitingUser();
+
+        Long userId = null;
+        if (task.getIsPipeline() != null && task.getIsPipeline() == 1) {
+            TaskItem lastCompletedItem = taskItemMapper.selectOne(
+                new LambdaQueryWrapper<TaskItem>()
+                    .eq(TaskItem::getTaskId, task.getId())
+                    .eq(TaskItem::getStatus, "completed")
+                    .isNotNull(TaskItem::getReceiverId)
+                    .orderByDesc(TaskItem::getCompleteTime)
+                    .orderByDesc(TaskItem::getUpdateTime)
+                    .orderByDesc(TaskItem::getId)
+                    .last("LIMIT 1")
+            );
+            if (lastCompletedItem != null) {
+                userId = lastCompletedItem.getReceiverId();
+            }
+        } else {
+            userId = task.getReceiverId();
+        }
+
+        if (userId == null) {
+            return null;
+        }
+
+        waitingUser.setUserId(userId);
+        User user = userMapper.selectById(userId);
+        if (user != null) {
+            waitingUser.setUserName(user.getRealName());
+            waitingUser.setDeptName(user.getDeptName());
+        }
+        return waitingUser;
+    }
     
     /**
      * 构建流程时间线
@@ -5271,4 +5316,3 @@ public class TaskService {
         }
     }
 }
-

frontend/src/components/TaskFlowQueryDialog.vue

@@ -75,7 +75,7 @@
             <div class="node-status">当前节点：{{ result.currentNode.statusName }}</div>
             <div class="node-waiting" v-if="result.currentNode.waitingFor">
               <span v-if="result.currentNode.waitingFor.userName">
-                等待操作人：<strong>{{ result.currentNode.waitingFor.userName }}</strong>
+                {{ getCurrentNodeActorLabel(result) }}：<strong>{{ result.currentNode.waitingFor.userName }}</strong>
                 <span v-if="result.currentNode.waitingFor.deptName">（{{ result.currentNode.waitingFor.deptName }}）</span>
               </span>
               <span v-else-if="result.currentNode.waitingFor.roleName">
@@ -252,6 +252,14 @@ const formatTime = (time: string | undefined) => {
   return `${date.getFullYear()}-${String(date.getMonth() + 1).padStart(2, '0')}-${String(date.getDate()).padStart(2, '0')} ${String(date.getHours()).padStart(2, '0')}:${String(date.getMinutes()).padStart(2, '0')}`
 }
 
+const getCurrentNodeActorLabel = (data: TaskFlowStatusVO | null) => {
+  const status = data?.task?.status
+  if (status === 'completed' || status === 'cancelled') {
+    return '最后操作人'
+  }
+  return '等待操作人'
+}
+
 // 暴露方法给父组件
 defineExpose({
   search: (taskNo: string) => {