第一版提交，答题功能OK，题库管理待完善

api/controllers/adminUserController.ts

@@ -0,0 +1,198 @@
+import { Request, Response } from 'express';
+import { UserModel } from '../models/user';
+import { QuizModel } from '../models/quiz';
+
+export class AdminUserController {
+  static async getUsers(req: Request, res: Response) {
+    try {
+      const page = parseInt(req.query.page as string) || 1;
+      const limit = parseInt(req.query.limit as string) || 10;
+
+      const result = await UserModel.findAll(limit, (page - 1) * limit);
+
+      res.json({
+        success: true,
+        data: result.users.map((u) => ({ ...u, password: u.password ?? '' })),
+        pagination: {
+          page,
+          limit,
+          total: result.total,
+          pages: Math.ceil(result.total / limit)
+        }
+      });
+    } catch (error: any) {
+      res.status(500).json({
+        success: false,
+        message: error.message || '获取用户列表失败'
+      });
+    }
+  }
+
+  static async deleteUser(req: Request, res: Response) {
+    try {
+      const { userId } = req.body;
+      if (!userId) {
+        return res.status(400).json({
+          success: false,
+          message: 'userId不能为空'
+        });
+      }
+
+      const user = await UserModel.findById(userId);
+      if (!user) {
+        return res.status(404).json({
+          success: false,
+          message: '用户不存在'
+        });
+      }
+
+      await UserModel.delete(userId);
+
+      res.json({
+        success: true,
+        message: '删除成功'
+      });
+    } catch (error: any) {
+      res.status(500).json({
+        success: false,
+        message: error.message || '删除用户失败'
+      });
+    }
+  }
+
+  static async exportUsers(req: Request, res: Response) {
+    try {
+      const result = await UserModel.findAll(10000, 0);
+      const data = result.users.map((u) => ({
+        ID: u.id,
+        姓名: u.name,
+        手机号: u.phone,
+        密码: u.password ?? '',
+        注册时间: u.createdAt
+      }));
+
+      res.json({
+        success: true,
+        data
+      });
+    } catch (error: any) {
+      res.status(500).json({
+        success: false,
+        message: error.message || '导出用户失败'
+      });
+    }
+  }
+
+  static async importUsers(req: Request, res: Response) {
+    try {
+      const file = (req as any).file;
+      if (!file) {
+        return res.status(400).json({
+          success: false,
+          message: '请上传Excel文件'
+        });
+      }
+
+      const XLSX = await import('xlsx');
+      const workbook = XLSX.read(file.buffer, { type: 'buffer' });
+      const sheetName = workbook.SheetNames[0];
+      const worksheet = workbook.Sheets[sheetName];
+      const rows = XLSX.utils.sheet_to_json(worksheet) as any[];
+
+      const errors: string[] = [];
+      let imported = 0;
+
+      for (let i = 0; i < rows.length; i++) {
+        const row = rows[i];
+        try {
+          const name = row['姓名'] || row['name'];
+          const phone = row['手机号'] || row['phone'];
+          const password = row['密码'] || row['password'] || '';
+
+          if (!name || !phone) {
+            errors.push(`第${i + 2}行：姓名或手机号缺失`);
+            continue;
+          }
+
+          await UserModel.create({ name, phone, password });
+          imported++;
+        } catch (error: any) {
+          if (error.message === '手机号已存在') {
+            errors.push(`第${i + 2}行：手机号重复`);
+          } else {
+            errors.push(`第${i + 2}行：${error.message}`);
+          }
+        }
+      }
+
+      res.json({
+        success: true,
+        data: {
+          imported,
+          total: rows.length,
+          errors
+        }
+      });
+    } catch (error: any) {
+      res.status(500).json({
+        success: false,
+        message: error.message || '导入用户失败'
+      });
+    }
+  }
+
+  static async getUserRecords(req: Request, res: Response) {
+    try {
+      const { userId } = req.params;
+      const page = parseInt(req.query.page as string) || 1;
+      const limit = parseInt(req.query.limit as string) || 10;
+
+      const result = await QuizModel.findRecordsByUserId(userId, limit, (page - 1) * limit);
+
+      res.json({
+        success: true,
+        data: result.records,
+        pagination: {
+          page,
+          limit,
+          total: result.total,
+          pages: Math.ceil(result.total / limit)
+        }
+      });
+    } catch (error: any) {
+      res.status(500).json({
+        success: false,
+        message: error.message || '获取用户答题记录失败'
+      });
+    }
+  }
+
+  static async getRecordDetail(req: Request, res: Response) {
+    try {
+      const { recordId } = req.params;
+
+      const record = await QuizModel.findRecordById(recordId);
+      if (!record) {
+        return res.status(404).json({
+          success: false,
+          message: '答题记录不存在'
+        });
+      }
+
+      const answers = await QuizModel.findAnswersByRecordId(recordId);
+
+      res.json({
+        success: true,
+        data: {
+          record,
+          answers
+        }
+      });
+    } catch (error: any) {
+      res.status(500).json({
+        success: false,
+        message: error.message || '获取答题记录详情失败'
+      });
+    }
+  }
+}