学生管理系统代码提交
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李可欣
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-- ============================================================
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-- 沃林学生管理系统 数据库初始化脚本（修正版）
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-- 基于原始建表语句修正，主要变更：
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-- 1. c_lass 补充 class_name 字段（原表缺少班级名称）
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-- 2. student 补充 status 字段（在读/进入就业/已就业，就业联动依赖）
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-- 3. score 补充 is_deleted 字段（统一逻辑删除风格）
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-- 4. employment_base 补充冗余字段 stu_name / class_name（需求 2.3 设计提示）
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-- 5. user 新增用户表（JWT 登录 + RBAC 角色，原建表语句缺失）
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-- 6. 修复原语句语法错误（c_lass 末尾多余逗号）
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-- 7. 追加种子数据：初始管理员 admin/admin123 + 演示数据
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-- 使用：mysql -uroot -p < init.sql （或 docker-compose 自动执行）
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-- ============================================================
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CREATE DATABASE IF NOT EXISTS walin_db DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
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USE walin_db;
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-- ---------- 班级表 ----------
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CREATE TABLE IF NOT EXISTS c_lass(
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class_id INT PRIMARY KEY AUTO_INCREMENT,
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class_name VARCHAR(50) NOT NULL COMMENT '班级名称',
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start_time DATE NOT NULL COMMENT '开课时间',
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is_deleted INT NOT NULL DEFAULT 0 COMMENT '逻辑删除'
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);
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-- ---------- 老师表 ----------
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CREATE TABLE IF NOT EXISTS teacher(
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teacher_id INT PRIMARY KEY AUTO_INCREMENT,
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teacher_name VARCHAR(50) NOT NULL,
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job_name VARCHAR(50) NOT NULL COMMENT '主讲/班主任/助教',
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class_id INT NOT NULL,
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is_deleted INT NOT NULL DEFAULT 0,
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FOREIGN KEY (class_id) REFERENCES c_lass(class_id)
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);
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-- ---------- 顾问表 ----------
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CREATE TABLE IF NOT EXISTS advisor(
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advisor_id INT PRIMARY KEY AUTO_INCREMENT,
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advisor_name VARCHAR(50) NOT NULL,
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is_deleted INT NOT NULL DEFAULT 0
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);
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-- ---------- 学生表 ----------
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CREATE TABLE IF NOT EXISTS student(
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stu_id INT PRIMARY KEY COMMENT '学号（支持规则生成：入学年份+班级号+序号）',
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stu_name VARCHAR(10) NOT NULL,
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native_place VARCHAR(30) NOT NULL,
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graduate_school VARCHAR(50) NOT NULL,
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major VARCHAR(20) NOT NULL,
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enroll_time DATE NOT NULL,
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graduate_time DATE NOT NULL,
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education VARCHAR(10) NOT NULL,
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age INT NOT NULL,
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gender VARCHAR(10) NOT NULL,
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class_id INT NOT NULL,
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advisor_id INT NOT NULL,
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status VARCHAR(10) NOT NULL DEFAULT '在读' COMMENT '在读/进入就业/已就业',
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is_deleted INT NOT NULL DEFAULT 0,
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FOREIGN KEY (class_id) REFERENCES c_lass(class_id),
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FOREIGN KEY (advisor_id) REFERENCES advisor(advisor_id)
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);
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-- ---------- 成绩表 ----------
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CREATE TABLE IF NOT EXISTS score(
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stu_id INT,
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exam_id INT COMMENT '考核序次',
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score FLOAT DEFAULT NULL,
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is_deleted INT NOT NULL DEFAULT 0,
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PRIMARY KEY (stu_id, exam_id),
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FOREIGN KEY (stu_id) REFERENCES student(stu_id)
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);
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-- ---------- 就业表-基础信息表 ----------
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CREATE TABLE IF NOT EXISTS employment_base(
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stu_id INT PRIMARY KEY,
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employment_open_time DATE NOT NULL COMMENT '就业开放时间',
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job_time DATE DEFAULT NULL COMMENT 'offer下发时间',
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company_name VARCHAR(100) DEFAULT '未就业',
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salary FLOAT DEFAULT 0,
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stu_name VARCHAR(10) NOT NULL COMMENT '冗余：学生姓名',
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class_name VARCHAR(50) NOT NULL COMMENT '冗余：班级名称',
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is_deleted INT NOT NULL DEFAULT 0,
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FOREIGN KEY (stu_id) REFERENCES student(stu_id)
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);
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-- ---------- 就业表-offer表 ----------
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CREATE TABLE IF NOT EXISTS employment_offer(
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stu_id INT,
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offer_id INT COMMENT '同一学生内自增',
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offer_time DATE NOT NULL,
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company_name VARCHAR(100) DEFAULT '',
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salary FLOAT DEFAULT 0,
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is_deleted INT NOT NULL DEFAULT 0,
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PRIMARY KEY (stu_id, offer_id),
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FOREIGN KEY (stu_id) REFERENCES employment_base(stu_id)
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);
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-- ---------- 用户表（新增：JWT 登录 + RBAC） ----------
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CREATE TABLE IF NOT EXISTS user(
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user_id INT PRIMARY KEY AUTO_INCREMENT,
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username VARCHAR(50) NOT NULL UNIQUE,
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password_hash VARCHAR(200) NOT NULL COMMENT 'PBKDF2-SHA256',
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role VARCHAR(20) NOT NULL COMMENT 'admin/teacher/student',
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stu_id INT NULL COMMENT 'student 角色绑定的学号',
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teacher_id INT NULL COMMENT 'teacher 角色绑定的工号',
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is_deleted INT NOT NULL DEFAULT 0,
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create_time DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (stu_id) REFERENCES student(stu_id),
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FOREIGN KEY (teacher_id) REFERENCES teacher(teacher_id)
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);
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-- ============================================================
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-- 种子数据（演示用，可按需删减）
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-- 使用 INSERT IGNORE：重复执行本脚本不会报主键冲突（幂等）
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-- ============================================================
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-- 班级
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INSERT IGNORE INTO c_lass(class_id, class_name, start_time) VALUES
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(1, 'Java2301', '2026-03-01'),
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(2, 'Java2302', '2026-04-10'),
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(3, 'Python2301', '2026-05-06');
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-- 顾问
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INSERT IGNORE INTO advisor(advisor_id, advisor_name) VALUES
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(1, '王顾问'), (2, '李顾问');
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-- 老师
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INSERT IGNORE INTO teacher(teacher_id, teacher_name, job_name, class_id) VALUES
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(1, '张主讲', '主讲', 1),
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(2, '刘班主任', '班主任', 1),
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(3, '陈主讲', '主讲', 2),
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(4, '赵班主任', '班主任', 2),
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(5, '孙助教', '助教', 3);
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-- 学生（学号规则：入学年份4位 + 班级号2位 + 序号4位）
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INSERT IGNORE INTO student(stu_id, stu_name, native_place, graduate_school, major, enroll_time, graduate_time, education, age, gender, class_id, advisor_id, status) VALUES
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(2026010001, '张伟', '湖北武汉', '武汉大学', '软件工程', '2026-03-01', '2026-09-01', '本科', 24, '男', 1, 1, '进入就业'),
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(2026010002, '王芳', '湖南长沙', '中南大学', '计算机科学', '2026-03-01', '2026-09-01', '本科', 23, '女', 1, 1, '进入就业'),
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(2026010003, '李娜', '河南郑州', '郑州大学', '软件工程', '2026-03-01', '2026-09-01', '大专', 22, '女', 1, 1, '在读'),
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(2026010004, '刘强', '四川成都', '四川大学', '信息安全', '2026-03-01', '2026-09-01', '本科', 25, '男', 1, 1, '在读'),
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(2026020001, '陈静', '江苏南京', '南京大学', '软件工程', '2026-04-10', '2026-10-10', '本科', 24, '女', 2, 2, '在读'),
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(2026020002, '杨帆', '安徽合肥', '合肥工业大学', '计算机科学', '2026-04-10', '2026-10-10', '硕士', 27, '男', 2, 2, '在读'),
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(2026020003, '黄磊', '广东广州', '华南理工', '软件工程', '2026-04-10', '2026-10-10', '本科', 23, '男', 2, 2, '在读'),
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(2026030001, '周婷', '浙江杭州', '浙江大学', '人工智能', '2026-05-06', '2026-11-06', '硕士', 26, '女', 3, 2, '在读'),
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(2026030002, '吴涛', '陕西西安', '西安电子科大', '大数据', '2026-05-06', '2026-11-06', '本科', 24, '男', 3, 2, '在读');
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-- 成绩（部分低于 60 分用于演示红线预警）
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INSERT IGNORE INTO score(stu_id, exam_id, score) VALUES
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(2026010001, 1, 88), (2026010001, 2, 92), (2026010001, 3, 85),
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(2026010002, 1, 76), (2026010002, 2, 58), (2026010002, 3, 81),
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(2026010003, 1, 55), (2026010003, 2, 49),
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(2026010004, 1, 67), (2026010004, 2, 72),
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(2026020001, 1, 95), (2026020001, 2, 90),
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(2026020002, 1, 82), (2026020002, 2, 60),
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(2026020003, 1, 45), (2026020003, 2, 52), (2026020003, 3, 61),
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(2026030001, 1, 89), (2026030001, 2, 94),
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(2026030002, 1, 70), (2026030002, 2, 65);
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-- 就业基础表（张伟已拿 offer；王芳开放简历未拿 offer）
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INSERT IGNORE INTO employment_base(stu_id, employment_open_time, job_time, company_name, salary, stu_name, class_name) VALUES
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(2026010001, '2026-08-01', '2026-08-20', '腾讯科技', 18000, '张伟', 'Java2301'),
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(2026010002, '2026-08-15', NULL, '未就业', 0, '王芳', 'Java2301');
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-- offer 记录
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INSERT IGNORE INTO employment_offer(stu_id, offer_id, offer_time, company_name, salary) VALUES
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(2026010001, 1, '2026-08-20', '腾讯科技', 18000);
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-- ============================================================
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-- 初始账号（密码均为 PBKDF2-SHA256 哈希，120000 次迭代）：
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-- admin / admin123 管理员
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-- teacher1 / teacher123 教师（工号1 张主讲，班级1）
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-- s2026010003 / student123 学生（学号 2026010003 李娜）
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-- 生产环境请立即修改密码！
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-- ============================================================
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INSERT IGNORE INTO user(username, password_hash, role, teacher_id, stu_id) VALUES
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('admin', 'pbkdf2_sha256$120000$897b4de0db4f0edf881627fc49df801e$02fc3387a341190448589f5569ef750f48ff3d9938fcea327ee2d5ee0f7258b9', 'admin', NULL, NULL),
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('teacher1', 'pbkdf2_sha256$120000$03dd3da6882e0dd77bc71e5d7ca1bcb5$f02eb626afdc528eca67644f23a39d70d898ddea4adc9b7dccb30a8e1fb788b2', 'teacher', 1, NULL),
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('s2026010003', 'pbkdf2_sha256$120000$5f9bd2dee6ff5fe7e145d3e2f9f8e11e$56b07cd8d35882547f378d62d3075e9f2eac38c47b6b917782c5199cb6864d6b', 'student', NULL, 2026010003);
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