b1da021185
新增教师资料更新功能，包括个人信息修改和密码更新 添加操作日志记录系统，记录用户关键操作 实现系统设置模块，支持动态配置系统参数 重构数据库模型，新增教师表和系统设置表 优化成绩录入逻辑，支持平时分、期中和期末成绩计算 添加数据导出功能，支持学生、教师和成绩数据导出 完善管理员后台，增加统计图表和操作日志查看
40 lines
1.4 KiB
JavaScript
40 lines
1.4 KiB
JavaScript
const db = require('../config/database');
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class Student {
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static async findById(id) {
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const students = await db.query('SELECT * FROM students WHERE id = ?', [id]);
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return students[0];
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}
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static async create(studentData) {
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const { id, name, class: className, major, grade, contact_info } = studentData;
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await db.query(
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'INSERT INTO students (id, name, class, major, grade, contact_info) VALUES (?, ?, ?, ?, ?, ?)',
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[id, name, className, major, grade, contact_info]
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);
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}
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static async update(id, data) {
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const fields = [];
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const values = [];
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if (data.name) { fields.push('name = ?'); values.push(data.name); }
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if (data.class) { fields.push('class = ?'); values.push(data.class); }
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if (data.major !== undefined) { fields.push('major = ?'); values.push(data.major); }
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if (data.grade !== undefined) { fields.push('grade = ?'); values.push(data.grade); }
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if (data.contact_info !== undefined) { fields.push('contact_info = ?'); values.push(data.contact_info); }
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if (fields.length === 0) return true;
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values.push(id);
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const sql = `UPDATE students SET ${fields.join(', ')} WHERE id = ?`;
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await db.query(sql, values);
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return true;
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}
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static async delete(id) {
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await db.query('DELETE FROM students WHERE id = ?', [id]);
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}
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}
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module.exports = Student;
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