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import sys
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from business_logic import StudentService, IDCardValidator
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from data_access import StudentDataAccess
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class StudentManagementSystem:
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def __init__(self):
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self.data_access = StudentDataAccess()
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self.student_service = StudentService(self.data_access)
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def show_menu(self):
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"""显示主菜单"""
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menu = """
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=== 学生信息管理系统 ===
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1. 显示所有学生信息
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2. 按学号查询学生信息
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3. 添加学生信息
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4. 修改学生信息
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5. 删除学生信息
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6. 统计学生信息
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7. 按总分排序显示
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8. 验证身份证号
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0. 退出系统
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"""
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print(menu)
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def run(self):
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"""运行系统"""
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self.student_service.load_data()
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print("学生信息已成功加载！")
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while True:
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self.show_menu()
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choice = input("请选择操作(0-8): ").strip()
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if choice == '0':
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print("感谢使用学生信息管理系统，再见！")
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sys.exit()
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elif choice == '1':
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self.show_all_students()
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elif choice == '2':
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self.search_student()
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elif choice == '3':
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self.add_student()
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elif choice == '4':
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self.update_student()
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elif choice == '5':
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self.delete_student()
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elif choice == '6':
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self.show_statistics()
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elif choice == '7':
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self.show_sorted_students()
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elif choice == '8':
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self.validate_id_card()
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else:
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print("无效的选择，请重新输入！")
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input("\n按回车键继续...")
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def show_all_students(self):
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"""显示所有学生信息"""
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students = self.student_service.get_all_students()
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if not students:
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print("当前没有学生信息！")
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return
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print("\n=== 所有学生信息 ===")
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print("学号\t姓名\t性别\t年龄\t班级\t总分")
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for student_id, info in students.items():
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basic_info = info['basic_info']
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print(f"{student_id}\t{basic_info['name']}\t{basic_info.get('gender', '未知')}\t"
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f"{basic_info.get('age', '未知')}\t{basic_info['class']}\t{info['score']['sum']}")
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def search_student(self):
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"""按学号查询学生信息"""
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student_id = input("请输入要查询的学生学号: ")
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student = self.student_service.search_student_by_id(student_id)
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if student:
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print("\n=== 学生详细信息 ===")
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print("基本信息:")
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for key, value in student['basic_info'].items():
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print(f" {key}: {value}")
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print("\n成绩信息:")
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for subject, score in student['score'].items():
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if subject in self.student_service.subject_name:
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print(f" {self.student_service.subject_name[subject]}: {score}")
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else:
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print("未找到该学号的学生！")
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def add_student(self):
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"""添加新学生"""
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print("\n=== 添加新学生 ===")
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# 输入学号
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while True:
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student_id = input("请输入8位学号(如20230001): ").strip()
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if not student_id.isdigit() or len(student_id) != 8:
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print("学号必须为8位数字！")
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continue
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if self.student_service.search_student_by_id(student_id):
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print("该学号已存在！")
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continue
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break
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# 输入身份证号
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while True:
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id_card = input("请输入18位身份证号: ").strip().upper()
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if not id_card:
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print("身份证号不能为空！")
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continue
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is_valid, msg = self.student_service.validate_id_card(id_card)
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if not is_valid:
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print(f"身份证号无效: {msg}")
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continue
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if self.student_service.is_id_card_exists(id_card):
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print("该身份证号已存在！")
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continue
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break
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# 自动获取性别和出生日期
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gender = IDCardValidator.get_gender(id_card)
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birth_date = IDCardValidator.get_birth_date(id_card)
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age = IDCardValidator.calculate_age(id_card)
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# 输入其他信息
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name = input("请输入姓名: ").strip()
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class_name = input("请输入班级: ").strip()
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admission_year = input("请输入入学年份: ").strip()
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# 输入成绩
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math_score = float(input("请输入数学成绩: "))
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python_score = float(input("请输入Python成绩: "))
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english_score = float(input("请输入英语成绩: "))
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physics_score = float(input("请输入物理成绩: "))
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total_score = math_score + python_score + english_score + physics_score
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# 创建学生信息字典
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student = {
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'basic_info': {
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'id': student_id,
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'id_card': id_card,
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'name': name,
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'gender': gender,
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'birth_date': birth_date.strftime("%Y-%m-%d") if birth_date else "",
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'age': age,
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'class': class_name,
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'admission_year': admission_year
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},
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'score': {
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'math': math_score,
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'python': python_score,
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'english': english_score,
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'physics': physics_score,
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'sum': total_score
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}
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}
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try:
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if self.student_service.add_student(student):
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print("学生信息添加成功！")
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except Exception as e:
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print(f"添加学生失败: {e}")
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def update_student(self):
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"""修改学生信息"""
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student_id = input("请输入要修改的学生学号: ")
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student = self.student_service.search_student_by_id(student_id)
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if not student:
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print("未找到该学号的学生！")
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return
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print("\n当前学生信息:")
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print("基本信息:")
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for key, value in student['basic_info'].items():
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print(f" {key}: {value}")
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print("\n成绩信息:")
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for subject, score in student['score'].items():
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if subject in self.student_service.subject_name:
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print(f" {self.student_service.subject_name[subject]}: {score}")
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print("\n请输入新的信息(直接回车保持原值):")
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# 更新基本信息
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basic_info = student['basic_info']
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for field in ['name', 'class', 'admission_year']:
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new_value = input(f"{field}(当前:{basic_info[field]}): ").strip()
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if new_value:
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basic_info[field] = new_value
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# 更新身份证号
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while True:
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new_id_card = input(f"身份证号(当前:{basic_info.get('id_card', '')}): ").strip().upper()
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if not new_id_card: # 直接回车保持原值
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break
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is_valid, msg = self.student_service.validate_id_card(new_id_card)
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if not is_valid:
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print(f"身份证号无效: {msg}")
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continue
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if self.student_service.is_id_card_exists(new_id_card, exclude_id=student_id):
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print("该身份证号已被其他学生使用！")
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continue
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basic_info['id_card'] = new_id_card
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# 自动更新性别和出生日期
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basic_info['gender'] = IDCardValidator.get_gender(new_id_card)
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birth_date = IDCardValidator.get_birth_date(new_id_card)
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if birth_date:
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basic_info['birth_date'] = birth_date.strftime("%Y-%m-%d")
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basic_info['age'] = IDCardValidator.calculate_age(new_id_card)
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break
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# 更新成绩
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scores = student['score']
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for subject in ['math', 'python', 'english', 'physics']:
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new_score = input(f"{self.student_service.subject_name[subject]}(当前:{scores[subject]}): ").strip()
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if new_score:
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scores[subject] = float(new_score)
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scores['sum'] = sum([scores['math'], scores['python'], scores['english'], scores['physics']])
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try:
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if self.student_service.update_student(student_id, student):
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print("学生信息修改成功！")
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except Exception as e:
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print(f"修改学生信息失败: {e}")
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def delete_student(self):
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"""删除学生"""
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student_id = input("请输入要删除的学生学号: ")
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confirm = input(f"确定要删除学号为 {student_id} 的学生吗？(y/n): ").lower()
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if confirm == 'y':
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try:
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if self.student_service.delete_student(student_id):
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print("学生信息删除成功！")
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except Exception as e:
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print(f"删除学生失败: {e}")
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def show_statistics(self):
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"""显示统计信息"""
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stats = self.student_service.get_statistics()
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if not stats:
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print("当前没有学生信息！")
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return
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print("\n=== 统计信息 ===")
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print(f"学生总数: {stats['total']}")
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print(f"数学平均分: {stats['math_avg']:.2f}")
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print(f"Python平均分: {stats['python_avg']:.2f}")
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print(f"英语平均分: {stats['english_avg']:.2f}")
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print(f"物理平均分: {stats['physics_avg']:.2f}")
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print(f"总分平均分: {stats['total_avg']:.2f}")
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def show_sorted_students(self):
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"""按总分排序显示"""
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sorted_students = self.student_service.get_sorted_students()
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if not sorted_students:
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print("当前没有学生信息！")
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return
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print("\n=== 按总分排序 ===")
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print("排名\t学号\t姓名\t总分")
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for rank, student in enumerate(sorted_students, 1):
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print(f"{rank}\t{student['basic_info']['id']}\t{student['basic_info']['name']}\t{student['score']['sum']}")
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def validate_id_card(self):
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"""验证身份证号"""
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id_card = input("请输入要验证的身份证号: ").strip().upper()
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is_valid, msg = IDCardValidator.validate_id_card(id_card)
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if is_valid:
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print("\n=== 身份证号有效 ===")
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print(f"号码: {id_card}")
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print(f"性别: {IDCardValidator.get_gender(id_card)}")
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birth_date = IDCardValidator.get_birth_date(id_card)
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if birth_date:
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print(f"出生日期: {birth_date.strftime('%Y-%m-%d')}")
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print(f"年龄: {IDCardValidator.calculate_age(id_card)}岁")
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print("校验码验证通过")
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else:
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print(f"\n身份证号无效: {msg}")
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if __name__ == "__main__":
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system = StudentManagementSystem()
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system.run()
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