CREATE DATABASE if not exists yxs_sms; USE yxs_sms; -- 用户表 CREATE TABLE IF NOT EXISTS users ( id varchar(64) NOT NULL COMMENT '用户ID（雪花算法生成）', username varchar(50) NOT NULL UNIQUE COMMENT '用户名', password varchar(255) NOT NULL COMMENT '密码（加密存储）', email varchar(100) COMMENT '邮箱', role int NOT NULL COMMENT '用户角色：1=超级管理员，2=普通管理员，3=教师，4=学生', status int NOT NULL DEFAULT 1 COMMENT '用户状态：0=禁用，1=正常，2=已删除', created_time datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间', updated_time datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间', PRIMARY KEY (id), UNIQUE KEY uk_username (username), INDEX idx_role (role), INDEX idx_status (status) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='用户表'; -- 初始化超级管理员账号（密码：admin123） INSERT INTO users (id, username, password, email, role, status) VALUES ('1', 'admin', '$2a$10$hD.BTeMvHjwopHom7wyNsOD4zgFbQuF5ZYRflikt9ee.UrlzrqToi', 'admin@yuxingshi.com', 1, 1) ON DUPLICATE KEY UPDATE id = id; -- 班级表 CREATE TABLE IF NOT EXISTS classes ( id varchar(64) NOT NULL COMMENT '班级ID（雪花算法生成）', class_name varchar(50) NOT NULL UNIQUE COMMENT '班级名称', class_code varchar(30) NOT NULL UNIQUE COMMENT '班级代码', description varchar(255) COMMENT '班级描述', status int NOT NULL DEFAULT 1 COMMENT '班级状态：0=禁用，1=正常', created_time datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间', updated_time datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间', PRIMARY KEY (id), UNIQUE KEY uk_class_name (class_name), UNIQUE KEY uk_class_code (class_code), INDEX idx_status (status) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='班级表'; -- 学生表 CREATE TABLE IF NOT EXISTS students ( id varchar(64) NOT NULL COMMENT '学生ID（雪花算法生成）', user_id varchar(64) NOT NULL COMMENT '用户ID（关联users表）', class_id varchar(64) NOT NULL COMMENT '班级ID（关联classes表）', student_no varchar(30) NOT NULL UNIQUE COMMENT '学号', real_name varchar(50) NOT NULL COMMENT '真实姓名', gender int COMMENT '性别：0=女，1=男', phone varchar(20) COMMENT '电话号码', status int NOT NULL DEFAULT 1 COMMENT '学生状态：0=禁用，1=正常，2=已毕业', created_time datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间', updated_time datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间', PRIMARY KEY (id), UNIQUE KEY uk_user_id (user_id), UNIQUE KEY uk_student_no (student_no), KEY fk_class_id (class_id), CONSTRAINT fk_classes FOREIGN KEY (class_id) REFERENCES classes(id), CONSTRAINT fk_users FOREIGN KEY (user_id) REFERENCES users(id) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='学生表'; -- 教师表 CREATE TABLE IF NOT EXISTS teachers ( id varchar(64) NOT NULL COMMENT '教师ID（雪花算法生成）', user_id varchar(64) UNIQUE COMMENT '关联的用户ID', teacher_no VARCHAR(50) UNIQUE NOT NULL COMMENT '教师工号', real_name VARCHAR(100) NOT NULL COMMENT '教师真实姓名', department VARCHAR(100) COMMENT '所属部门', phone VARCHAR(20) COMMENT '电话号码', status INT DEFAULT 1 COMMENT '状态：1=启用，0=禁用', created_time DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间', updated_time DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间', PRIMARY KEY (id) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='教师表'; -- 课程表 CREATE TABLE IF NOT EXISTS courses ( id varchar(64) NOT NULL COMMENT '课程ID（雪花算法生成）', teacher_id varchar(64) NOT NULL COMMENT '教师ID（外键）', course_name VARCHAR(200) NOT NULL COMMENT '课程名称', course_code VARCHAR(100) UNIQUE NOT NULL COMMENT '课程代码', credit DECIMAL(3,1) COMMENT '学分', total_hours INT COMMENT '总课时', description TEXT COMMENT '课程描述', status INT DEFAULT 1 COMMENT '状态：1=启用，0=禁用', created_time DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间', updated_time DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间', PRIMARY KEY (id), FOREIGN KEY (teacher_id) REFERENCES teachers(id) ON DELETE RESTRICT COMMENT '教师外键约束' ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='课程表'; -- 创建索引 CREATE INDEX idx_teacher_id ON courses(teacher_id); CREATE INDEX idx_course_code ON courses(course_code); CREATE INDEX idx_teacher_no ON teachers(teacher_no); -- 课程成绩表 CREATE TABLE IF NOT EXISTS course_scores ( id varchar(64) NOT NULL COMMENT '成绩ID（雪花算法生成）', course_id varchar(64) NOT NULL COMMENT '课程ID（外键）', student_id varchar(64) NOT NULL COMMENT '学生ID（外键）', usual_score DECIMAL(5,2) COMMENT '平时成绩(0-100)', midterm_score DECIMAL(5,2) COMMENT '期中成绩(0-100)', final_score DECIMAL(5,2) COMMENT '期末成绩(0-100)', total_score DECIMAL(5,2) COMMENT '总成绩(0-100)', grade VARCHAR(10) COMMENT '等级(A/B/C/D/F)', status INT DEFAULT 1 COMMENT '状态：1=正常，0=删除', remark VARCHAR(500) COMMENT '备注', created_time DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间', updated_time DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间', PRIMARY KEY (id), FOREIGN KEY (course_id) REFERENCES courses(id) ON DELETE RESTRICT COMMENT '课程外键', FOREIGN KEY (student_id) REFERENCES students(id) ON DELETE RESTRICT COMMENT '学生外键', UNIQUE KEY uk_course_student (course_id, student_id) COMMENT '同一学生同一课程唯一' ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='课程成绩表'; -- 创建索引 CREATE INDEX idx_course_id ON course_scores(course_id); CREATE INDEX idx_student_id ON course_scores(student_id); CREATE INDEX idx_grade ON course_scores(grade);