第一版提交，答题功能OK，题库管理待完善

api/controllers/examSubjectController.ts

@@ -0,0 +1,87 @@
+import { Request, Response } from 'express';
+import { ExamSubjectModel } from '../models/examSubject';
+
+export class ExamSubjectController {
+  static async getSubjects(req: Request, res: Response) {
+    try {
+      const subjects = await ExamSubjectModel.findAll();
+      res.json({
+        success: true,
+        data: subjects
+      });
+    } catch (error: any) {
+      res.status(500).json({
+        success: false,
+        message: error.message || '获取考试科目失败'
+      });
+    }
+  }
+
+  static async createSubject(req: Request, res: Response) {
+    try {
+      const { name, totalScore, timeLimitMinutes, typeRatios, categoryRatios } = req.body;
+
+      const subject = await ExamSubjectModel.create({
+        name,
+        totalScore,
+        timeLimitMinutes,
+        typeRatios,
+        categoryRatios
+      });
+
+      res.json({
+        success: true,
+        data: subject
+      });
+    } catch (error: any) {
+      res.status(400).json({
+        success: false,
+        message: error.message || '新增考试科目失败'
+      });
+    }
+  }
+
+  static async updateSubject(req: Request, res: Response) {
+    try {
+      const { id } = req.params;
+      const { name, totalScore, timeLimitMinutes, typeRatios, categoryRatios } = req.body;
+
+      const subject = await ExamSubjectModel.update(id, {
+        name,
+        totalScore,
+        timeLimitMinutes,
+        typeRatios,
+        categoryRatios
+      });
+
+      res.json({
+        success: true,
+        data: subject
+      });
+    } catch (error: any) {
+      const message = error.message || '更新考试科目失败';
+      res.status(message === '科目不存在' ? 404 : 400).json({
+        success: false,
+        message
+      });
+    }
+  }
+
+  static async deleteSubject(req: Request, res: Response) {
+    try {
+      const { id } = req.params;
+      await ExamSubjectModel.delete(id);
+
+      res.json({
+        success: true,
+        message: '删除成功'
+      });
+    } catch (error: any) {
+      const message = error.message || '删除考试科目失败';
+      res.status(message === '科目不存在' ? 404 : 400).json({
+        success: false,
+        message
+      });
+    }
+  }
+}