基本功能完成，下一步开始美化UI

api/controllers/examTaskController.ts

@@ -1,5 +1,6 @@
 import { Request, Response } from 'express';
 import { ExamTaskModel } from '../models/examTask';
+import { UserGroupModel } from '../models/userGroup';
 
 export class ExamTaskController {
   static async getTasks(req: Request, res: Response) {
@@ -19,12 +20,29 @@ export class ExamTaskController {
 
   static async createTask(req: Request, res: Response) {
     try {
-      const { name, subjectId, startAt, endAt, userIds } = req.body;
+      const { name, subjectId, startAt, endAt, userIds = [], groupIds = [] } = req.body;
 
-      if (!name || !subjectId || !startAt || !endAt || !Array.isArray(userIds) || userIds.length === 0) {
+      if (!name || !subjectId || !startAt || !endAt) {
         return res.status(400).json({
           success: false,
-          message: '参数不完整或用户列表为空'
+          message: '参数不完整'
+        });
+      }
+
+      // 合并用户列表和用户组中的用户
+      const finalUserIds = new Set<string>(userIds);
+      
+      if (Array.isArray(groupIds) && groupIds.length > 0) {
+        for (const groupId of groupIds) {
+          const members = await UserGroupModel.getMembers(groupId);
+          members.forEach(m => finalUserIds.add(m.id));
+        }
+      }
+
+      if (finalUserIds.size === 0) {
+        return res.status(400).json({
+          success: false,
+          message: '请至少选择一位用户或一个用户组'
         });
       }
 
@@ -33,7 +51,8 @@ export class ExamTaskController {
         subjectId,
         startAt,
         endAt,
-        userIds
+        userIds: Array.from(finalUserIds),
+        selectionConfig: JSON.stringify({ userIds, groupIds })
       });
 
       res.json({
@@ -51,12 +70,29 @@ export class ExamTaskController {
   static async updateTask(req: Request, res: Response) {
     try {
       const { id } = req.params;
-      const { name, subjectId, startAt, endAt, userIds } = req.body;
+      const { name, subjectId, startAt, endAt, userIds = [], groupIds = [] } = req.body;
 
-      if (!name || !subjectId || !startAt || !endAt || !Array.isArray(userIds) || userIds.length === 0) {
+      if (!name || !subjectId || !startAt || !endAt) {
         return res.status(400).json({
           success: false,
-          message: '参数不完整或用户列表为空'
+          message: '参数不完整'
+        });
+      }
+
+      // 合并用户列表和用户组中的用户
+      const finalUserIds = new Set<string>(userIds);
+      
+      if (Array.isArray(groupIds) && groupIds.length > 0) {
+        for (const groupId of groupIds) {
+          const members = await UserGroupModel.getMembers(groupId);
+          members.forEach(m => finalUserIds.add(m.id));
+        }
+      }
+
+      if (finalUserIds.size === 0) {
+        return res.status(400).json({
+          success: false,
+          message: '请至少选择一位用户或一个用户组'
         });
       }
 
@@ -65,7 +101,8 @@ export class ExamTaskController {
         subjectId,
         startAt,
         endAt,
-        userIds
+        userIds: Array.from(finalUserIds),
+        selectionConfig: JSON.stringify({ userIds, groupIds })
       });
 
       res.json({