题库导入功能完成，考试计划功能完成。

2025-12-19 00:58:58 +08:00
parent ba252b2f56
commit 465d4d7b4a
27 changed files with 1851 additions and 177 deletions
--- a/api/controllers/adminController.ts
+++ b/api/controllers/adminController.ts
@@ -105,6 +105,25 @@ export class AdminController {
    }
  }

+  // 获取活跃任务统计数据
+  static async getActiveTasksStats(req: Request, res: Response) {
+    try {
+      const { ExamTaskModel } = await import('../models/examTask');
+      const stats = await ExamTaskModel.getActiveTasksWithStats();
+      
+      res.json({
+        success: true,
+        data: stats
+      });
+    } catch (error: any) {
+      console.error('获取活跃任务统计数据失败:', error);
+      res.status(500).json({
+        success: false,
+        message: error.message || '获取活跃任务统计数据失败'
+      });
+    }
+  }
+
  // 修改管理员密码
  static async updatePassword(req: Request, res: Response) {
    try {
--- a/api/controllers/adminUserController.ts
+++ b/api/controllers/adminUserController.ts
@@ -83,6 +83,67 @@ export class AdminUserController {
    }
  }

+  // 更新用户信息
+  static async updateUser(req: Request, res: Response) {
+    try {
+      const { id } = req.params;
+      const { name, phone, password } = req.body;
+
+      const user = await UserModel.findById(id);
+      if (!user) {
+        return res.status(404).json({
+          success: false,
+          message: '用户不存在'
+        });
+      }
+
+      // 准备更新数据
+      const updateData: Partial<{ name: string; phone: string; password: string }> = {};
+      if (name !== undefined) updateData.name = name;
+      if (phone !== undefined) updateData.phone = phone;
+      if (password !== undefined) updateData.password = password;
+
+      // 更新用户
+      const updatedUser = await UserModel.update(id, updateData);
+
+      res.json({
+        success: true,
+        data: updatedUser
+      });
+    } catch (error: any) {
+      // 处理手机号已存在的错误
+      if (error.message === '手机号已存在') {
+        return res.status(400).json({
+          success: false,
+          message: '手机号已存在'
+        });
+      }
+      
+      // 处理SQLITE_CONSTRAINT_UNIQUE错误
+      if (error.code === 'SQLITE_CONSTRAINT_UNIQUE') {
+        return res.status(400).json({
+          success: false,
+          message: '手机号已存在'
+        });
+      }
+      
+      // 处理数据验证错误
+      if (error.message.includes('姓名长度必须在2-20个字符之间') || 
+          error.message.includes('手机号格式不正确')) {
+        return res.status(400).json({
+          success: false,
+          message: error.message
+        });
+      }
+      
+      // 处理其他错误
+      res.status(500).json({
+        success: false,
+        message: error.message || '更新用户失败'
+      });
+    }
+  }
+
  static async importUsers(req: Request, res: Response) {
    try {
      const file = (req as any).file;
--- a/api/controllers/examTaskController.ts
+++ b/api/controllers/examTaskController.ts
@@ -141,4 +141,29 @@ export class ExamTaskController {
      });
    }
  }
+
+  static async getTaskUsers(req: Request, res: Response) {
+    try {
+      const { id } = req.params;
+      
+      if (!id) {
+        return res.status(400).json({
+          success: false,
+          message: '任务ID不能为空'
+        });
+      }
+
+      const userIds = await ExamTaskModel.getTaskUsers(id);
+      
+      res.json({
+        success: true,
+        data: userIds
+      });
+    } catch (error: any) {
+      res.status(500).json({
+        success: false,
+        message: error.message || '获取任务用户失败'
+      });
+    }
+  }
 }
--- a/api/controllers/quizController.ts
+++ b/api/controllers/quizController.ts
@@ -43,23 +43,142 @@ export class QuizController {
        });
      }

-      const questions: Awaited<ReturnType<typeof QuestionModel.getRandomQuestions>> = [];
-
-      for (const [type, ratio] of Object.entries(subject.typeRatios)) {
-        if (ratio <= 0) continue;
-        const typeScore = Math.floor((ratio / 100) * subject.totalScore);
-        const avgScore = 10;
-        const count = Math.max(1, Math.round(typeScore / avgScore));
-
-        const categories = Object.entries(subject.categoryRatios)
-          .filter(([, r]) => r > 0)
-          .map(([c]) => c);
-
-        const qs = await QuestionModel.getRandomQuestions(type as any, count, categories);
-        questions.push(...qs);
+      let questions: Question[] = [];
+      const remainingScore = subject.totalScore;
+      
+      // 构建包含所有类别的数组，根据比重重复对应次数
+      const allCategories: string[] = [];
+      for (const [category, catRatio] of Object.entries(subject.categoryRatios)) {
+        if (catRatio > 0) {
+          // 根据比重计算该类别应占的总题目数比例
+          const count = Math.round((catRatio / 100) * 100); // 放大100倍避免小数问题
+          for (let i = 0; i < count; i++) {
+            allCategories.push(category);
+          }
+        }
+      }
+      
+      // 确保总题目数至少为1
+      if (allCategories.length === 0) {
+        allCategories.push('通用');
+      }
+      
+      // 按题型分配题目
+      for (const [type, typeRatio] of Object.entries(subject.typeRatios)) {
+        if (typeRatio <= 0) continue;
+        
+        // 计算该题型应占的总分
+        const targetTypeScore = Math.round((typeRatio / 100) * subject.totalScore);
+        let currentTypeScore = 0;
+        let typeQuestions: Question[] = [];
+        
+        // 尝试获取足够分数的题目
+        while (currentTypeScore < targetTypeScore) {
+          // 随机选择一个类别
+          const randomCategory = allCategories[Math.floor(Math.random() * allCategories.length)];
+          
+          // 获取该类型和类别的随机题目
+          const availableQuestions = await QuestionModel.getRandomQuestions(
+            type as any, 
+            10, // 一次获取多个，提高效率
+            [randomCategory]
+          );
+          
+          if (availableQuestions.length === 0) {
+            break; // 该类型/类别没有题目，跳过
+          }
+          
+          // 过滤掉已选题目
+          const availableUnselected = availableQuestions.filter(q => 
+            !questions.some(selected => selected.id === q.id)
+          );
+          
+          if (availableUnselected.length === 0) {
+            break; // 没有可用的新题目了
+          }
+          
+          // 选择分数最接近剩余需求的题目
+          const remainingForType = targetTypeScore - currentTypeScore;
+          const selectedQuestion = availableUnselected.reduce((prev, curr) => {
+            const prevDiff = Math.abs(remainingForType - prev.score);
+            const currDiff = Math.abs(remainingForType - curr.score);
+            return currDiff < prevDiff ? curr : prev;
+          });
+          
+          // 添加到题型题目列表
+          typeQuestions.push(selectedQuestion);
+          currentTypeScore += selectedQuestion.score;
+          
+          // 防止无限循环
+          if (typeQuestions.length > 100) {
+            break;
+          }
+        }
+        
+        questions.push(...typeQuestions);
+      }
+      
+      // 如果总分不足，尝试补充题目
+      let totalScore = questions.reduce((sum, q) => sum + q.score, 0);
+      while (totalScore < subject.totalScore) {
+        // 获取所有类型的随机题目
+        const allTypes = Object.keys(subject.typeRatios).filter(type => subject.typeRatios[type] > 0);
+        if (allTypes.length === 0) break;
+        
+        const randomType = allTypes[Math.floor(Math.random() * allTypes.length)];
+        const availableQuestions = await QuestionModel.getRandomQuestions(
+          randomType as any, 
+          10, 
+          allCategories
+        );
+        
+        if (availableQuestions.length === 0) break;
+        
+        // 过滤掉已选题目
+        const availableUnselected = availableQuestions.filter(q => 
+          !questions.some(selected => selected.id === q.id)
+        );
+        
+        if (availableUnselected.length === 0) break;
+        
+        // 选择分数最接近剩余需求的题目
+        const remainingScore = subject.totalScore - totalScore;
+        const selectedQuestion = availableUnselected.reduce((prev, curr) => {
+          const prevDiff = Math.abs(remainingScore - prev.score);
+          const currDiff = Math.abs(remainingScore - curr.score);
+          return currDiff < prevDiff ? curr : prev;
+        });
+        
+        questions.push(selectedQuestion);
+        totalScore += selectedQuestion.score;
+        
+        // 防止无限循环
+        if (questions.length > 200) {
+          break;
+        }
+      }
+      
+      // 如果总分超过，尝试移除一些题目
+      while (totalScore > subject.totalScore) {
+        // 找到最接近剩余差值的题目
+        const excessScore = totalScore - subject.totalScore;
+        let closestIndex = -1;
+        let closestDiff = Infinity;
+        
+        for (let i = 0; i < questions.length; i++) {
+          const diff = Math.abs(questions[i].score - excessScore);
+          if (diff < closestDiff) {
+            closestDiff = diff;
+            closestIndex = i;
+          }
+        }
+        
+        if (closestIndex === -1) break;
+        
+        // 移除该题目
+        totalScore -= questions[closestIndex].score;
+        questions.splice(closestIndex, 1);
      }
-
-      const totalScore = questions.reduce((sum, q) => sum + q.score, 0);

      res.json({
        success: true,
--- a/api/controllers/userController.ts
+++ b/api/controllers/userController.ts
@@ -30,6 +30,15 @@ export class UserController {
      });
    } catch (error: any) {
      console.error('创建用户失败:', error);
+      
+      // 处理手机号唯一约束错误
+      if (error.code === 'SQLITE_CONSTRAINT' || error.message.includes('手机号已存在')) {
+        return res.status(400).json({
+          success: false,
+          message: '该手机号已被注册，请使用其他手机号'
+        });
+      }
+      
      res.status(500).json({
        success: false,
        message: error.message || '创建用户失败'
@@ -115,4 +124,30 @@ export class UserController {
      });
    }
  }
+
+  static async getUsersByName(req: Request, res: Response) {
+    try {
+      const { name } = req.params;
+      
+      if (!name || typeof name !== 'string') {
+        return res.status(400).json({
+          success: false,
+          message: '姓名不能为空'
+        });
+      }
+      
+      const users = await UserModel.findByName(name);
+      
+      res.json({
+        success: true,
+        data: users
+      });
+    } catch (error: any) {
+      console.error('根据姓名查询用户失败:', error);
+      res.status(500).json({
+        success: false,
+        message: error.message || '根据姓名查询用户失败'
+      });
+    }
+  }
 }
--- a/api/models/examTask.ts
+++ b/api/models/examTask.ts
@@ -40,9 +40,27 @@ export interface TaskReport {
  }>;
 }

+export interface ActiveTaskStat {
+  taskId: string;
+  taskName: string;
+  subjectName: string;
+  totalUsers: number;
+  completedUsers: number;
+  completionRate: number;
+  passRate: number;
+  excellentRate: number;
+  startAt: string;
+  endAt: string;
+}
+
 export class ExamTaskModel {
-  static async findAll(): Promise<TaskWithSubject[]> {
-    const sql = `
+  static async findAll(): Promise<(TaskWithSubject & {
+    completedUsers: number;
+    passRate: number;
+    excellentRate: number;
+  })[]> {
+    // 1. 先获取所有任务的基本信息
+    const baseTasks = await all(`
      SELECT 
        t.id,
        t.name,
@@ -51,14 +69,112 @@ export class ExamTaskModel {
        t.end_at as endAt,
        t.created_at as createdAt,
        s.name as subjectName,
-        COUNT(DISTINCT etu.user_id) as userCount
+        COUNT(DISTINCT etu.user_id) as userCount,
+        s.total_score as totalScore
      FROM exam_tasks t
      JOIN exam_subjects s ON t.subject_id = s.id
      LEFT JOIN exam_task_users etu ON t.id = etu.task_id
      GROUP BY t.id
      ORDER BY t.created_at DESC
-    `;
-    return query(sql);
+    `);
+
+    // 2. 为每个任务计算完成人数、合格率和优秀率
+    const tasksWithStats: any[] = [];
+    for (const task of baseTasks) {
+      // 获取该任务的详细报表数据
+      const report = await this.getReport(task.id);
+      
+      // 计算合格率（得分率60%以上）
+      const passingUsers = report.details.filter((d: any) => {
+        if (d.score === null) return false;
+        return (d.score / task.totalScore) >= 0.6;
+      }).length;
+      
+      const passRate = report.totalUsers > 0 
+        ? Math.round((passingUsers / report.totalUsers) * 100) 
+        : 0;
+      
+      // 计算优秀率（得分率80%以上）
+      const excellentUsers = report.details.filter((d: any) => {
+        if (d.score === null) return false;
+        return (d.score / task.totalScore) >= 0.8;
+      }).length;
+      
+      const excellentRate = report.totalUsers > 0 
+        ? Math.round((excellentUsers / report.totalUsers) * 100) 
+        : 0;
+      
+      tasksWithStats.push({
+        ...task,
+        completedUsers: report.completedUsers,
+        passRate,
+        excellentRate
+      });
+    }
+    
+    return tasksWithStats;
+  }
+
+  static async getActiveTasksWithStats(): Promise<ActiveTaskStat[]> {
+    const now = new Date().toISOString();
+    
+    // 1. 获取当前时间有效的任务，包括开始和结束时间
+    const activeTasks = await all(`
+      SELECT 
+        t.id, t.name as taskName, s.name as subjectName, s.total_score as totalScore,
+        t.start_at as startAt, t.end_at as endAt
+      FROM exam_tasks t
+      JOIN exam_subjects s ON t.subject_id = s.id
+      WHERE t.start_at <= ? AND t.end_at >= ?
+      ORDER BY t.created_at DESC
+    `, [now, now]);
+    
+    const stats: ActiveTaskStat[] = [];
+    
+    for (const task of activeTasks) {
+      // 2. 获取每个任务的详细报告数据
+      const report = await this.getReport(task.id);
+      
+      // 3. 计算完成率
+      const completionRate = report.totalUsers > 0 
+        ? Math.round((report.completedUsers / report.totalUsers) * 100) 
+        : 0;
+      
+      // 4. 计算合格率（得分率60%以上）
+      const passingUsers = report.details.filter(d => {
+        if (d.score === null) return false;
+        return (d.score / task.totalScore) >= 0.6;
+      }).length;
+      
+      const passRate = report.totalUsers > 0 
+        ? Math.round((passingUsers / report.totalUsers) * 100) 
+        : 0;
+      
+      // 5. 计算优秀率（得分率80%以上）
+      const excellentUsers = report.details.filter(d => {
+        if (d.score === null) return false;
+        return (d.score / task.totalScore) >= 0.8;
+      }).length;
+      
+      const excellentRate = report.totalUsers > 0 
+        ? Math.round((excellentUsers / report.totalUsers) * 100) 
+        : 0;
+      
+      stats.push({
+        taskId: task.id,
+        taskName: task.taskName,
+        subjectName: task.subjectName,
+        totalUsers: report.totalUsers,
+        completedUsers: report.completedUsers,
+        completionRate,
+        passRate,
+        excellentRate,
+        startAt: task.startAt,
+        endAt: task.endAt
+      });
+    }
+    
+    return stats;
  }

  static async findById(id: string): Promise<ExamTask | null> {
@@ -140,6 +256,16 @@ export class ExamTaskModel {
    await run(`DELETE FROM exam_tasks WHERE id = ?`, [id]);
  }

+  static async getTaskUsers(taskId: string): Promise<string[]> {
+    const rows = await all(`
+      SELECT user_id as userId
+      FROM exam_task_users
+      WHERE task_id = ?
+    `, [taskId]);
+
+    return rows.map(row => row.userId);
+  }
+
  static async getReport(taskId: string): Promise<TaskReport> {
    const task = await this.findById(taskId);
    if (!task) throw new Error('任务不存在');
@@ -209,23 +335,141 @@ export class ExamTaskModel {
    if (!subject) throw new Error('科目不存在');

    const { QuestionModel } = await import('./question');
-    const questions: Awaited<ReturnType<typeof QuestionModel.getRandomQuestions>> = [];
-
-    for (const [type, ratio] of Object.entries(subject.typeRatios)) {
-      if (ratio <= 0) continue;
-      const typeScore = Math.floor((ratio / 100) * subject.totalScore);
-      const avgScore = 10;
-      const count = Math.max(1, Math.round(typeScore / avgScore));
-
-      const categories = Object.entries(subject.categoryRatios)
-        .filter(([, r]) => r > 0)
-        .map(([c]) => c);
-
-      const qs = await QuestionModel.getRandomQuestions(type as any, count, categories);
-      questions.push(...qs);
+    let questions: Awaited<ReturnType<typeof QuestionModel.getRandomQuestions>> = [];
+    
+    // 构建包含所有类别的数组，根据比重重复对应次数
+    const allCategories: string[] = [];
+    for (const [category, catRatio] of Object.entries(subject.categoryRatios)) {
+      if (catRatio > 0) {
+        // 根据比重计算该类别应占的总题目数比例
+        const count = Math.round((catRatio / 100) * 100); // 放大100倍避免小数问题
+        for (let i = 0; i < count; i++) {
+          allCategories.push(category);
+        }
+      }
+    }
+    
+    // 确保总题目数至少为1
+    if (allCategories.length === 0) {
+      allCategories.push('通用');
+    }
+    
+    // 按题型分配题目
+    for (const [type, typeRatio] of Object.entries(subject.typeRatios)) {
+      if (typeRatio <= 0) continue;
+      
+      // 计算该题型应占的总分
+      const targetTypeScore = Math.round((typeRatio / 100) * subject.totalScore);
+      let currentTypeScore = 0;
+      let typeQuestions: Awaited<ReturnType<typeof QuestionModel.getRandomQuestions>> = [];
+      
+      // 尝试获取足够分数的题目
+      while (currentTypeScore < targetTypeScore) {
+        // 随机选择一个类别
+        const randomCategory = allCategories[Math.floor(Math.random() * allCategories.length)];
+        
+        // 获取该类型和类别的随机题目
+        const availableQuestions = await QuestionModel.getRandomQuestions(
+          type as any, 
+          10, // 一次获取多个，提高效率
+          [randomCategory]
+        );
+        
+        if (availableQuestions.length === 0) {
+          break; // 该类型/类别没有题目，跳过
+        }
+        
+        // 过滤掉已选题目
+        const availableUnselected = availableQuestions.filter(q => 
+          !questions.some(selected => selected.id === q.id)
+        );
+        
+        if (availableUnselected.length === 0) {
+          break; // 没有可用的新题目了
+        }
+        
+        // 选择分数最接近剩余需求的题目
+        const remainingForType = targetTypeScore - currentTypeScore;
+        const selectedQuestion = availableUnselected.reduce((prev, curr) => {
+          const prevDiff = Math.abs(remainingForType - prev.score);
+          const currDiff = Math.abs(remainingForType - curr.score);
+          return currDiff < prevDiff ? curr : prev;
+        });
+        
+        // 添加到题型题目列表
+        typeQuestions.push(selectedQuestion);
+        currentTypeScore += selectedQuestion.score;
+        
+        // 防止无限循环
+        if (typeQuestions.length > 100) {
+          break;
+        }
+      }
+      
+      questions.push(...typeQuestions);
+    }
+    
+    // 如果总分不足，尝试补充题目
+    let totalScore = questions.reduce((sum, q) => sum + q.score, 0);
+    while (totalScore < subject.totalScore) {
+      // 获取所有类型的随机题目
+      const allTypes = Object.keys(subject.typeRatios).filter(type => subject.typeRatios[type] > 0);
+      if (allTypes.length === 0) break;
+      
+      const randomType = allTypes[Math.floor(Math.random() * allTypes.length)];
+      const availableQuestions = await QuestionModel.getRandomQuestions(
+        randomType as any, 
+        10, 
+        allCategories
+      );
+      
+      if (availableQuestions.length === 0) break;
+      
+      // 过滤掉已选题目
+      const availableUnselected = availableQuestions.filter(q => 
+        !questions.some(selected => selected.id === q.id)
+      );
+      
+      if (availableUnselected.length === 0) break;
+      
+      // 选择分数最接近剩余需求的题目
+      const remainingScore = subject.totalScore - totalScore;
+      const selectedQuestion = availableUnselected.reduce((prev, curr) => {
+        const prevDiff = Math.abs(remainingScore - prev.score);
+        const currDiff = Math.abs(remainingScore - curr.score);
+        return currDiff < prevDiff ? curr : prev;
+      });
+      
+      questions.push(selectedQuestion);
+      totalScore += selectedQuestion.score;
+      
+      // 防止无限循环
+      if (questions.length > 200) {
+        break;
+      }
+    }
+    
+    // 如果总分超过，尝试移除一些题目
+    while (totalScore > subject.totalScore) {
+      // 找到最接近剩余差值的题目
+      const excessScore = totalScore - subject.totalScore;
+      let closestIndex = -1;
+      let closestDiff = Infinity;
+      
+      for (let i = 0; i < questions.length; i++) {
+        const diff = Math.abs(questions[i].score - excessScore);
+        if (diff < closestDiff) {
+          closestDiff = diff;
+          closestIndex = i;
+        }
+      }
+      
+      if (closestIndex === -1) break;
+      
+      // 移除该题目
+      totalScore -= questions[closestIndex].score;
+      questions.splice(closestIndex, 1);
    }
-
-    const totalScore = questions.reduce((sum, q) => sum + q.score, 0);

    return {
      questions,
@@ -241,9 +485,9 @@ export class ExamTaskModel {
      FROM exam_tasks t
      INNER JOIN exam_task_users tu ON t.id = tu.task_id
      INNER JOIN exam_subjects s ON t.subject_id = s.id
-      WHERE tu.user_id = ? AND t.start_at <= ? AND t.end_at >= ?
+      WHERE tu.user_id = ? AND t.start_at <= ?
      ORDER BY t.start_at DESC
-    `, [userId, now, now]);
+    `, [userId, now]);

    return rows.map(row => ({
      id: row.id,
--- a/api/models/question.ts
+++ b/api/models/question.ts
@@ -47,18 +47,43 @@ export class QuestionModel {
    return this.findById(id) as Promise<Question>;
  }

-  // 批量创建题目
+  // 批量创建题目 - 优化为使用事务批量插入
  static async createMany(questions: CreateQuestionData[]): Promise<{ success: number; errors: string[] }> {
    const errors: string[] = [];
    let success = 0;
    
-    for (let i = 0; i < questions.length; i++) {
-      try {
-        await this.create(questions[i]);
-        success++;
-      } catch (error: any) {
-        errors.push(`第${i + 1}题: ${error.message}`);
+    // 使用事务提高性能
+    try {
+      // 开始事务
+      await run('BEGIN TRANSACTION');
+      
+      const sql = `
+        INSERT INTO questions (id, content, type, options, answer, score, category) 
+        VALUES (?, ?, ?, ?, ?, ?, ?)
+      `;
+      
+      for (let i = 0; i < questions.length; i++) {
+        try {
+          const question = questions[i];
+          const id = uuidv4();
+          const optionsStr = question.options ? JSON.stringify(question.options) : null;
+          const answerStr = Array.isArray(question.answer) ? JSON.stringify(question.answer) : question.answer;
+          const category = question.category && question.category.trim() ? question.category.trim() : '通用';
+          
+          // 直接执行插入，不调用单个create方法
+          await run(sql, [id, question.content, question.type, optionsStr, answerStr, question.score, category]);
+          success++;
+        } catch (error: any) {
+          errors.push(`第${i + 1}题: ${error.message}`);
+        }
      }
+      
+      // 提交事务
+      await run('COMMIT');
+    } catch (error: any) {
+      // 回滚事务
+      await run('ROLLBACK');
+      errors.push(`事务错误: ${error.message}`);
    }
    
    return { success, errors };
--- a/api/models/questionCategory.ts
+++ b/api/models/questionCategory.ts
@@ -8,9 +8,56 @@ export interface QuestionCategory {
 }

 export class QuestionCategoryModel {
+  // 获取所有题目类别，包括从题目表中聚合的新类别
  static async findAll(): Promise<QuestionCategory[]> {
-    const sql = `SELECT id, name, created_at as createdAt FROM question_categories ORDER BY created_at DESC`;
-    return query(sql);
+    try {
+      // 1. 首先从题目表中聚合所有唯一类别
+      const questionCategoriesSql = `
+        SELECT DISTINCT category as name
+        FROM questions
+        WHERE category IS NOT NULL AND category != ''
+      `;
+      const questionCategories = await query(questionCategoriesSql);
+      
+      // 2. 获取现有类别表中的类别
+      const existingCategoriesSql = `
+        SELECT id, name, created_at as createdAt
+        FROM question_categories
+        ORDER BY created_at DESC
+      `;
+      const existingCategories = await query(existingCategoriesSql);
+      
+      // 3. 创建现有类别名称的映射，用于快速查找
+      const existingCategoryNames = new Set(existingCategories.map(cat => cat.name));
+      
+      // 4. 找出题目表中存在但类别表中不存在的新类别
+      const newCategories = questionCategories.filter(qCat => !existingCategoryNames.has(qCat.name));
+      
+      // 5. 批量创建新类别
+      if (newCategories.length > 0) {
+        await run('BEGIN TRANSACTION');
+        
+        const createSql = `INSERT INTO question_categories (id, name) VALUES (?, ?)`;
+        for (const newCat of newCategories) {
+          await run(createSql, [uuidv4(), newCat.name]);
+        }
+        
+        await run('COMMIT');
+        
+        // 6. 重新获取所有类别，包括新创建的
+        return this.findAll();
+      }
+      
+      // 如果没有新类别，直接返回现有类别
+      return existingCategories;
+    } catch (error: any) {
+      // 如果事务失败，回滚
+      await run('ROLLBACK');
+      console.error('获取题目类别失败:', error);
+      // 回退到原始逻辑
+      const sql = `SELECT id, name, created_at as createdAt FROM question_categories ORDER BY created_at DESC`;
+      return query(sql);
+    }
  }

  static async findById(id: string): Promise<QuestionCategory | null> {
--- a/api/models/quiz.ts
+++ b/api/models/quiz.ts
@@ -142,13 +142,15 @@ export class QuizModel {
  }

  // 获取所有答题记录（管理员用）
-  static async findAllRecords(limit = 10, offset = 0): Promise<{ records: QuizRecord[]; total: number }> {
+  static async findAllRecords(limit = 10, offset = 0): Promise<{ records: any[]; total: number }> {
    const recordsSql = `
      SELECT r.id, r.user_id as userId, u.name as userName, u.phone as userPhone, 
             r.total_score as totalScore, r.correct_count as correctCount, r.total_count as totalCount, 
-             r.created_at as createdAt 
+             r.created_at as createdAt, r.subject_id as subjectId, s.name as subjectName,
+             r.task_id as taskId
      FROM quiz_records r 
      JOIN users u ON r.user_id = u.id 
+      LEFT JOIN exam_subjects s ON r.subject_id = s.id
      ORDER BY r.created_at DESC 
      LIMIT ? OFFSET ?
    `;
@@ -160,8 +162,29 @@ export class QuizModel {
      get(countSql)
    ]);
    
+    // 对于每条记录，计算该考试任务的参与人数
+    const processedRecords = await Promise.all(records.map(async (record) => {
+      let examCount = 0;
+      if (record.taskId) {
+        // 统计该任务的参与人数
+        const taskCountSql = `SELECT COUNT(DISTINCT user_id) as count FROM quiz_records WHERE task_id = ?`;
+        const taskCountResult = await get(taskCountSql, [record.taskId]);
+        examCount = taskCountResult.count || 0;
+      } else if (record.subjectId) {
+        // 统计该科目的参与人数
+        const subjectCountSql = `SELECT COUNT(DISTINCT user_id) as count FROM quiz_records WHERE subject_id = ?`;
+        const subjectCountResult = await get(subjectCountSql, [record.subjectId]);
+        examCount = subjectCountResult.count || 0;
+      }
+      
+      return {
+        ...record,
+        examCount
+      };
+    }));
+    
    return {
-      records,
+      records: processedRecords,
      total: countResult.total
    };
  }
@@ -215,7 +238,7 @@ export class QuizModel {
    averageScore: number;
    typeStats: Array<{ type: string; total: number; correct: number; correctRate: number }>;
  }> {
-    const totalUsersSql = `SELECT COUNT(DISTINCT user_id) as total FROM quiz_records`;
+    const totalUsersSql = `SELECT COUNT(*) as total FROM users`;
    const totalRecordsSql = `SELECT COUNT(*) as total FROM quiz_records`;
    const averageScoreSql = `SELECT AVG(total_score) as average FROM quiz_records`;
    
--- a/api/models/user.ts
+++ b/api/models/user.ts
@@ -43,6 +43,58 @@ export class UserModel {
    await run(`DELETE FROM users WHERE id = ?`, [id]);
  }

+  // 更新用户信息
+  static async update(id: string, data: Partial<CreateUserData>): Promise<User> {
+    // 验证数据
+    const errors = this.validateUserData(data as CreateUserData);
+    if (errors.length > 0) {
+      throw new Error(errors.join(', '));
+    }
+    
+    // 检查手机号唯一性
+    if (data.phone !== undefined) {
+      const existingUser = await this.findByPhone(data.phone);
+      if (existingUser && existingUser.id !== id) {
+        throw new Error('手机号已存在');
+      }
+    }
+    
+    // 构建更新字段
+    const fields: string[] = [];
+    const values: any[] = [];
+    
+    if (data.name !== undefined) {
+      fields.push('name = ?');
+      values.push(data.name);
+    }
+    
+    if (data.phone !== undefined) {
+      fields.push('phone = ?');
+      values.push(data.phone);
+    }
+    
+    if (data.password !== undefined) {
+      fields.push('password = ?');
+      values.push(data.password);
+    }
+    
+    if (fields.length === 0) {
+      return this.findById(id) as Promise<User>;
+    }
+    
+    values.push(id);
+    const sql = `UPDATE users SET ${fields.join(', ')} WHERE id = ?`;
+    
+    await run(sql, values);
+    const updatedUser = await this.findById(id);
+    
+    if (!updatedUser) {
+      throw new Error('用户不存在');
+    }
+    
+    return updatedUser;
+  }
+
  static async findById(id: string): Promise<User | null> {
    const sql = `SELECT id, name, phone, password, created_at as createdAt FROM users WHERE id = ?`;
    const user = await get(sql, [id]);
@@ -55,6 +107,12 @@ export class UserModel {
    return user || null;
  }

+  static async findByName(name: string): Promise<User[]> {
+    const sql = `SELECT id, name, phone, password, created_at as createdAt FROM users WHERE name = ?`;
+    const users = await query(sql, [name]);
+    return users || [];
+  }
+
  static async findAll(limit = 10, offset = 0): Promise<{ users: User[]; total: number }> {
    const usersSql = `
      SELECT id, name, phone, password, created_at as createdAt 
@@ -75,15 +133,21 @@ export class UserModel {
    };
  }

-  static validateUserData(data: CreateUserData): string[] {
+  // 验证用户数据，支持部分数据验证
+  static validateUserData(data: Partial<CreateUserData>): string[] {
    const errors: string[] = [];
    
-    if (!data.name || data.name.length < 2 || data.name.length > 20) {
-      errors.push('姓名长度必须在2-20个字符之间');
+    // 只验证提供了的数据
+    if (data.name !== undefined) {
+      if (data.name.length < 2 || data.name.length > 20) {
+        errors.push('姓名长度必须在2-20个字符之间');
+      }
    }
    
-    if (!data.phone || !/^1[3-9]\d{9}$/.test(data.phone)) {
-      errors.push('手机号格式不正确，请输入11位中国手机号');
+    if (data.phone !== undefined) {
+      if (!/^1[3-9]\d{9}$/.test(data.phone)) {
+        errors.push('手机号格式不正确，请输入11位中国手机号');
+      }
    }
    
    return errors;
--- a/api/server.ts
+++ b/api/server.ts
@@ -38,6 +38,7 @@ const apiRouter = express.Router();
 apiRouter.post('/users', UserController.createUser);
 apiRouter.get('/users/:id', UserController.getUser);
 apiRouter.post('/users/validate', UserController.validateUserInfo);
+apiRouter.get('/users/name/:name', UserController.getUsersByName);

 // 题库管理
 apiRouter.get('/questions', QuestionController.getQuestions);
@@ -66,6 +67,8 @@ apiRouter.delete('/admin/subjects/:id', adminAuth, ExamSubjectController.deleteS

 // 考试任务
 apiRouter.get('/exam-tasks', ExamTaskController.getTasks);
+apiRouter.get('/admin/tasks', adminAuth, ExamTaskController.getTasks);
+apiRouter.get('/admin/tasks/:id/users', adminAuth, ExamTaskController.getTaskUsers);
 apiRouter.get('/exam-tasks/user/:userId', ExamTaskController.getUserTasks);
 apiRouter.post('/admin/tasks', adminAuth, ExamTaskController.createTask);
 apiRouter.put('/admin/tasks/:id', adminAuth, ExamTaskController.updateTask);
@@ -74,6 +77,7 @@ apiRouter.get('/admin/tasks/:id/report', adminAuth, ExamTaskController.getTaskRe

 // 用户管理
 apiRouter.get('/admin/users', adminAuth, AdminUserController.getUsers);
+apiRouter.put('/admin/users/:id', adminAuth, AdminUserController.updateUser);
 apiRouter.delete('/admin/users', adminAuth, AdminUserController.deleteUser);
 apiRouter.get('/admin/users/export', adminAuth, AdminUserController.exportUsers);
 apiRouter.post('/admin/users/import', adminAuth, upload.single('file'), AdminUserController.importUsers);
@@ -89,9 +93,10 @@ apiRouter.get('/quiz/records', adminAuth, QuizController.getAllRecords);

 // 管理员相关
 apiRouter.post('/admin/login', AdminController.login);
-apiRouter.get('/admin/config', adminAuth, AdminController.getQuizConfig);
-apiRouter.put('/admin/config', adminAuth, AdminController.updateQuizConfig);
 apiRouter.get('/admin/statistics', adminAuth, AdminController.getStatistics);
+apiRouter.get('/admin/active-tasks', adminAuth, AdminController.getActiveTasksStats);
+apiRouter.put('/admin/config', adminAuth, AdminController.updateQuizConfig);
+apiRouter.get('/admin/config', adminAuth, AdminController.getQuizConfig);
 apiRouter.put('/admin/password', adminAuth, AdminController.updatePassword);
 apiRouter.get('/admin/configs', adminAuth, AdminController.getAllConfigs);