first commit

2025-12-21 21:50:37 +08:00
commit 352698044b
30 changed files with 9893 additions and 0 deletions
--- a/database/init.sql
+++ b/database/init.sql
@@ -0,0 +1,214 @@
+-- 学生成绩管理系统数据库初始化脚本
+-- 创建数据库
+CREATE DATABASE IF NOT EXISTS score_management DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+USE score_management;
+
+-- 用户表（学生、教师、管理员）
+CREATE TABLE IF NOT EXISTS users (
+    id VARCHAR(20) PRIMARY KEY COMMENT '用户ID（学号/工号）',
+    name VARCHAR(50) NOT NULL COMMENT '姓名',
+    password VARCHAR(100) NOT NULL COMMENT '密码（bcrypt加密）',
+    role ENUM('student', 'teacher', 'admin') NOT NULL COMMENT '角色',
+    class VARCHAR(20) DEFAULT NULL COMMENT '班级（学生和教师需要，管理员为NULL）',
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+    INDEX idx_role (role),
+    INDEX idx_class (class)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='用户表';
+
+-- students 表：学生详细信息（与 users 表 id 关联）
+CREATE TABLE IF NOT EXISTS students (
+    id VARCHAR(20) PRIMARY KEY COMMENT '学生ID（与users表id一致）',
+    name VARCHAR(50) NOT NULL COMMENT '姓名',
+    class VARCHAR(20) COMMENT '班级',
+    FOREIGN KEY (id) REFERENCES users(id) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='学生详细信息表';
+
+-- scores 表：成绩记录
+CREATE TABLE IF NOT EXISTS scores (
+    id INT AUTO_INCREMENT PRIMARY KEY COMMENT '成绩记录ID',
+    student_id VARCHAR(20) NOT NULL COMMENT '学生ID',
+    course VARCHAR(100) NOT NULL COMMENT '课程名称',
+    score DECIMAL(5,2) NOT NULL CHECK (score >= 0 AND score <= 100) COMMENT '成绩',
+    teacher_id VARCHAR(20) NOT NULL COMMENT '教师ID',
+    class VARCHAR(20) NOT NULL COMMENT '班级',
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+    FOREIGN KEY (student_id) REFERENCES users(id) ON DELETE CASCADE,
+    FOREIGN KEY (teacher_id) REFERENCES users(id) ON DELETE CASCADE,
+    INDEX idx_student_id (student_id),
+    INDEX idx_teacher_id (teacher_id),
+    INDEX idx_class (class)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='成绩记录表';
+
+-- 班级表
+CREATE TABLE IF NOT EXISTS classes (
+    id INT PRIMARY KEY AUTO_INCREMENT COMMENT '班级ID',
+    class_name VARCHAR(50) NOT NULL COMMENT '班级名称',
+    grade VARCHAR(20) COMMENT '年级',
+    major VARCHAR(100) COMMENT '专业',
+    teacher_id INT COMMENT '班主任ID',
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+    INDEX idx_class_name (class_name),
+    INDEX idx_teacher_id (teacher_id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='班级表';
+
+-- 课程表
+CREATE TABLE IF NOT EXISTS courses (
+    id INT PRIMARY KEY AUTO_INCREMENT COMMENT '课程ID',
+    course_code VARCHAR(20) UNIQUE NOT NULL COMMENT '课程代码',
+    course_name VARCHAR(100) NOT NULL COMMENT '课程名称',
+    credit DECIMAL(3,1) NOT NULL DEFAULT 2.0 COMMENT '学分',
+    teacher_id INT NOT NULL COMMENT '授课教师ID',
+    class_id INT NOT NULL COMMENT '授课班级ID',
+    semester VARCHAR(20) COMMENT '学期',
+    academic_year VARCHAR(20) COMMENT '学年',
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+    INDEX idx_course_code (course_code),
+    INDEX idx_teacher_id (teacher_id),
+    INDEX idx_class_id (class_id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='课程表';
+
+-- 成绩表
+CREATE TABLE IF NOT EXISTS grades (
+    id INT PRIMARY KEY AUTO_INCREMENT COMMENT '成绩ID',
+    student_id INT NOT NULL COMMENT '学生ID',
+    course_id INT NOT NULL COMMENT '课程ID',
+    usual_score DECIMAL(5,2) COMMENT '平时成绩',
+    midterm_score DECIMAL(5,2) COMMENT '期中成绩',
+    final_score DECIMAL(5,2) COMMENT '期末成绩',
+    total_score DECIMAL(5,2) COMMENT '总评成绩',
+    grade_point DECIMAL(3,2) COMMENT '绩点',
+    grade_level VARCHAR(10) COMMENT '成绩等级（A/B/C/D/F）',
+    teacher_id INT NOT NULL COMMENT '录入教师ID',
+    remark TEXT COMMENT '备注',
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
+    UNIQUE KEY uk_student_course (student_id, course_id),
+    INDEX idx_student_id (student_id),
+    INDEX idx_course_id (course_id),
+    INDEX idx_teacher_id (teacher_id),
+    INDEX idx_total_score (total_score)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='成绩表';
+
+-- 操作日志表
+CREATE TABLE IF NOT EXISTS operation_logs (
+    id INT PRIMARY KEY AUTO_INCREMENT COMMENT '日志ID',
+    user_id INT NOT NULL COMMENT '操作用户ID',
+    operation_type VARCHAR(50) NOT NULL COMMENT '操作类型',
+    operation_target VARCHAR(100) COMMENT '操作目标',
+    operation_details TEXT COMMENT '操作详情',
+    ip_address VARCHAR(45) COMMENT 'IP地址',
+    user_agent TEXT COMMENT '用户代理',
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT '操作时间',
+    INDEX idx_user_id (user_id),
+    INDEX idx_operation_type (operation_type),
+    INDEX idx_created_at (created_at)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='操作日志表';
+
+-- 插入初始数据
+-- 插入管理员用户（密码：admin123）
+INSERT INTO users (username, password, name, role, email, phone) VALUES 
+('admin', '$2b$10$N9qo8uLOickgx2ZMRZoMy.MrqK.3.6Z1zXjJX.3Q7JzQ7JzQ7JzQ7', '系统管理员', 'admin', 'admin@school.edu', '13800138000');
+
+-- 插入示例班级
+INSERT INTO classes (class_name, grade, major) VALUES 
+('计算机科学与技术2023级1班', '2023', '计算机科学与技术'),
+('软件工程2023级1班', '2023', '软件工程'),
+('人工智能2023级1班', '2023', '人工智能');
+
+-- 插入示例教师（密码：teacher123）
+INSERT INTO users (username, password, name, role, class_id, email, phone) VALUES 
+('t1001', '$2b$10$N9qo8uLOickgx2ZMRZoMy.MrqK.3.6Z1zXjJX.3Q7JzQ7JzQ7JzQ7', '张老师', 'teacher', 1, 'zhang@school.edu', '13800138001'),
+('t1002', '$2b$10$N9qo8uLOickgx2ZMRZoMy.MrqK.3.6Z1zXjJX.3Q7JzQ7JzQ7JzQ7', '李老师', 'teacher', 2, 'li@school.edu', '13800138002');
+
+-- 插入示例学生（密码：student123）
+INSERT INTO users (username, password, name, role, class_id, email, phone) VALUES 
+('s2023001', '$2b$10$N9qo8uLOickgx2ZMRZoMy.MrqK.3.6Z1zXjJX.3Q7JzQ7JzQ7JzQ7', '张三', 'student', 1, 'zhangsan@school.edu', '13800138111'),
+('s2023002', '$2b$10$N9qo8uLOickgx2ZMRZoMy.MrqK.3.6Z1zXjJX.3Q7JzQ7JzQ7JzQ7', '李四', 'student', 1, 'lisi@school.edu', '13800138112'),
+('s2023003', '$2b$10$N9qo8uLOickgx2ZMRZoMy.MrqK.3.6Z1zXjJX.3Q7JzQ7JzQ7JzQ7', '王五', 'student', 2, 'wangwu@school.edu', '13800138113');
+
+-- 插入示例课程
+INSERT INTO courses (course_code, course_name, credit, teacher_id, class_id, semester, academic_year) VALUES 
+('CS101', '计算机基础', 3.0, 2, 1, '2023-2024-1', '2023-2024'),
+('CS201', '数据结构', 4.0, 2, 1, '2023-2024-1', '2023-2024'),
+('SE101', '软件工程导论', 3.0, 3, 2, '2023-2024-1', '2023-2024'),
+('AI101', '人工智能基础', 3.5, 3, 3, '2023-2024-1', '2023-2024');
+
+-- 插入示例成绩
+INSERT INTO grades (student_id, course_id, usual_score, midterm_score, final_score, total_score, grade_point, grade_level, teacher_id) VALUES 
+(3, 1, 85.00, 78.00, 82.00, 81.50, 3.2, 'B', 2),
+(3, 2, 90.00, 85.00, 88.00, 87.50, 3.7, 'A', 2),
+(4, 1, 78.00, 82.00, 80.00, 80.50, 3.0, 'B', 2),
+(5, 3, 88.00, 85.00, 90.00, 88.50, 3.8, 'A', 3);
+
+-- 更新班级表的班主任信息
+UPDATE classes SET teacher_id = 2 WHERE id = 1;
+UPDATE classes SET teacher_id = 3 WHERE id = 2;
+
+-- 创建视图：学生成绩详情视图
+CREATE OR REPLACE VIEW student_grade_details AS
+SELECT 
+    g.id,
+    g.student_id,
+    u1.name AS student_name,
+    u1.username AS student_no,
+    g.course_id,
+    c.course_code,
+    c.course_name,
+    c.credit,
+    g.usual_score,
+    g.midterm_score,
+    g.final_score,
+    g.total_score,
+    g.grade_point,
+    g.grade_level,
+    g.teacher_id,
+    u2.name AS teacher_name,
+    g.remark,
+    g.created_at,
+    g.updated_at
+FROM grades g
+JOIN users u1 ON g.student_id = u1.id
+JOIN courses c ON g.course_id = c.id
+JOIN users u2 ON g.teacher_id = u2.id;
+
+-- 创建视图：班级成绩统计视图
+CREATE OR REPLACE VIEW class_grade_statistics AS
+SELECT 
+    cl.id AS class_id,
+    cl.class_name,
+    c.id AS course_id,
+    c.course_code,
+    c.course_name,
+    COUNT(g.id) AS student_count,
+    AVG(g.total_score) AS avg_score,
+    MAX(g.total_score) AS max_score,
+    MIN(g.total_score) AS min_score,
+    SUM(CASE WHEN g.grade_level = 'A' THEN 1 ELSE 0 END) AS a_count,
+    SUM(CASE WHEN g.grade_level = 'B' THEN 1 ELSE 0 END) AS b_count,
+    SUM(CASE WHEN g.grade_level = 'C' THEN 1 ELSE 0 END) AS c_count,
+    SUM(CASE WHEN g.grade_level = 'D' THEN 1 ELSE 0 END) AS d_count,
+    SUM(CASE WHEN g.grade_level = 'F' THEN 1 ELSE 0 END) AS f_count
+FROM classes cl
+JOIN courses c ON cl.id = c.class_id
+LEFT JOIN grades g ON c.id = g.course_id
+GROUP BY cl.id, c.id;
+
+-- 显示表结构信息
+SHOW TABLES;
+
+-- 显示各表记录数
+SELECT 'users' AS table_name, COUNT(*) AS record_count FROM users
+UNION ALL
+SELECT 'classes', COUNT(*) FROM classes
+UNION ALL
+SELECT 'courses', COUNT(*) FROM courses
+UNION ALL
+SELECT 'grades', COUNT(*) FROM grades
+UNION ALL
+SELECT 'operation_logs', COUNT(*) FROM operation_logs;
+
+-- 显示视图
+SHOW FULL TABLES WHERE TABLE_TYPE = 'VIEW';