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import json
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import csv
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from datetime import date
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from typing import List, Tuple
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from BLL.add_student import StudentBLL
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from model.student import Student
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from DAL.clear_all_student import CsvStudentDAL
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from DAL.clear_all_student import JsonStudentDAL
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def display_menu():
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print("\n=== 学生信息管理系统 ====")
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print("1. 添加学生信息")
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print("2. 删除学生信息")
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print("3. 更新学生信息")
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print("4. 查询学生信息")
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print("5. 统计分析")
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print("6. 数据导入导出")
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print("7. 清空所有学生信息")
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print("8. 退出系统")
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print("---")
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def display_query_menu():
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print("\n==== 查询学生信息 ====")
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print("1. 查询所有学生")
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print("2. 按身份证号查询")
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print("3. 按学号查询")
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print("4. 按姓名查询")
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print("5. 按班级查询")
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print("6. 按专业查询")
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print("7. 返回上一级")
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print("=======================")
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def display_stats_menu():
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print("\n==== 统计分析 ====")
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print("1. 学生总数")
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print("2. 平均身高")
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print("3. 按身高范围统计")
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print("4. 按入学年份统计")
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print("5. 按年龄范围统计")
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print("6. 按专业分组统计")
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print("7. 性别比例")
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print("8. 返回上一级")
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print("=======================")
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def display_import_export_menu():
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print("\n==== 数据导入导出 ====")
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print("1. 导出数据到JSON")
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print("2. 从JSON导入数据")
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print("3. 导出数据到CSV")
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print("4. 从CSV导入数据")
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print("5. 返回上一级")
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print("=======================")
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def display_students(students: List[Student]):
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if not students:
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print("没有找到学生信息")
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return
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print("\n学生信息列表:")
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print("-" * 120)
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print(
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f"{'姓名':<10}{'学号':<15}{'身份证号':<20}{'性别':<6}{'年龄':<6}{'身高':<6}{'体重':<6}{'班级':<10}{'专业':<15}{'入学日期':<12}")
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print("-" * 120)
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for student in students:
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gender = '男' if student.gender else '女' if student.gender is not None else '未知'
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print(
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f"{student.name:<10}{student.stu_id:<15}{student.id_card:<20}"
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f"{gender:<6}{student.age or '-':<6}{student.height or '-':<6}"
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f"{student.weight or '-':<6}{student.class_name or '-':<10}"
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f"{student.major or '-':<15}{student.enrollment_date or '-'}"
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)
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print("-" * 120)
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print(f"共找到 {len(students)} 名学生")
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class StudentTUI:
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def __init__(self, bll: StudentBLL):
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self.bll = bll
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def run(self):
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while True:
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display_menu()
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choice = input("请选择操作: ").strip()
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if choice == '1':
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self.add_student()
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elif choice == '2':
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self.delete_student()
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elif choice == '3':
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self.update_student()
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elif choice == '4':
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self.query_students()
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elif choice == '5':
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self.stats_students()
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elif choice == '6':
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self.import_export_data()
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elif choice == '7':
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self.clear_all_students()
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elif choice == '8':
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print("感谢使用学生信息管理系统，再见！")
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break
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else:
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print("无效的选择，请重新输入！")
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def add_student(self):
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print("\n==== 添加学生信息 ====")
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try:
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name = input("姓名: ").strip()
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id_card = input("身份证号: ").strip()
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stu_id = input("学号: ").strip()
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gender = input("性别(男/女): ").strip().lower() == '男'
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height = int(input("身高(cm): ").strip())
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weight = float(input("体重(kg): ").strip())
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enrollment_date = input("入学日期(YYYY-MM-DD): ").strip()
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class_name = input("班级名称: ").strip()
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major = input("专业: ").strip()
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email = input("邮箱(可选): ").strip() or None
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phone = input("手机号(可选): ").strip() or None
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student = Student(
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name=name,
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id_card=id_card,
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stu_id=stu_id,
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gender=gender,
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height=height,
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weight=weight,
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enrollment_date=enrollment_date,
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class_name=class_name,
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major=major,
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email=email,
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phone=phone
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)
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if self.bll.add_student(student):
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print("学生信息添加成功！")
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else:
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print("添加失败，可能学号或身份证号已存在")
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except ValueError as e:
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print(f"输入错误: {e}")
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except Exception as e:
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print(f"添加学生信息时出错: {e}")
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def delete_student(self):
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print("\n==== 删除学生信息 ====")
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print("1. 按身份证号删除")
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print("2. 按学号删除")
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choice = input("请选择删除方式: ").strip()
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if choice == '1':
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id_card = input("请输入身份证号: ").strip()
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try:
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if self.bll.delete_student_by_id_card(id_card):
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print("学生信息删除成功！")
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else:
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print("删除失败，未找到匹配的学生")
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except ValueError as e:
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print(f"错误: {e}")
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elif choice == '2':
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stu_id = input("请输入学号: ").strip()
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try:
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if self.bll.delete_student_by_stu_id(stu_id):
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print("学生信息删除成功！")
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else:
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print("删除失败，未找到匹配的学生")
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except ValueError as e:
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print(f"错误: {e}")
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else:
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print("无效的选择")
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def update_student(self):
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print("\n==== 更新学生信息 ====")
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id_card = input("请输入要更新的学生身份证号: ").strip()
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try:
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student = self.bll.get_student_by_id_card(id_card)
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if not student:
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print("未找到该学生")
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return
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print("当前学生信息:")
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print(student)
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print("\n请输入要更新的字段 (留空表示不更新):")
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name = input(f"姓名({student.name}): ").strip() or student.name
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stu_id = input(f"学号({student.stu_id}): ").strip() or student.stu_id
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gender = input(f"性别(男/女)({'男' if student.gender else '女'}): ").strip()
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gender = gender.lower() == '男' if gender else student.gender
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height = input(f"身高({student.height}): ").strip()
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height = int(height) if height else student.height
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weight = input(f"体重({student.weight}): ").strip()
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weight = float(weight) if weight else student.weight
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enrollment_date = input(f"入学日期({student.enrollment_date}): ").strip()
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enrollment_date = enrollment_date or student.enrollment_date
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class_name = input(f"班级名称({student.class_name}): ").strip() or student.class_name
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major = input(f"专业({student.major}): ").strip() or student.major
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email = input(f"邮箱({student.email}): ").strip() or student.email
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phone = input(f"手机号({student.phone}): ").strip() or student.phone
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updated_student = Student(
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name=name,
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id_card=id_card, # 身份证号不可更改
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stu_id=stu_id,
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gender=gender,
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height=height,
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weight=weight,
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enrollment_date=enrollment_date,
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class_name=class_name,
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major=major,
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email=email,
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phone=phone
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)
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if self.bll.update_student(id_card, updated_student):
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print("学生信息更新成功！")
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else:
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print("更新失败")
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except ValueError as e:
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print(f"输入错误: {e}")
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except Exception as e:
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print(f"更新学生信息时出错: {e}")
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def query_students(self):
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while True:
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display_query_menu()
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choice = input("请选择查询方式: ").strip()
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if choice == '1': # 查询所有学生
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students = self.bll.get_all_students()
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display_students(students)
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elif choice == '2': # 按身份证号查询
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id_card = input("请输入身份证号: ").strip()
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student = self.bll.get_student_by_id_card(id_card)
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if student:
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display_students([student])
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else:
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print("未找到匹配的学生")
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elif choice == '3': # 按学号查询
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stu_id = input("请输入学号: ").strip()
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student = self.bll.get_student_by_stu_id(stu_id)
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if student:
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display_students([student])
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else:
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print("未找到匹配的学生")
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elif choice == '4': # 按姓名查询
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name = input("请输入姓名: ").strip()
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students = self.bll.get_students_by_name(name)
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display_students(students)
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elif choice == '5': # 按班级查询
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class_name = input("请输入班级名称: ").strip()
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students = self.bll.get_students_by_class_name(class_name)
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display_students(students)
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elif choice == '6': # 按专业查询
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major = input("请输入专业名称: ").strip()
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students = self.bll.get_students_by_major(major)
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display_students(students)
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elif choice == '7': # 返回上一级
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break
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else:
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print("无效的选择，请重新输入！")
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def stats_students(self):
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while True:
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display_stats_menu()
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choice = input("请选择统计方式: ").strip()
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if choice == '1': # 学生总数
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count = self.bll.get_student_count()
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print(f"\n学生总数: {count}")
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elif choice == '2': # 平均身高
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avg_height = self.bll.get_average_height()
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print(f"\n平均身高: {avg_height:.2f} cm")
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elif choice == '3': # 按身高范围统计
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min_height = int(input("最小身高(cm): ").strip())
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max_height = int(input("最大身高(cm): ").strip())
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students = self.bll.get_students_by_height_range(min_height, max_height)
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print(f"\n身高在 {min_height}-{max_height} cm 的学生 ({len(students)} 人):")
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display_students(students)
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elif choice == '4': # 按入学年份统计
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year = int(input("请输入入学年份: ").strip())
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students = self.bll.get_students_by_enrollment_year(year)
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print(f"\n{year}年入学的学生 ({len(students)} 人):")
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display_students(students)
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elif choice == '5': # 按年龄范围统计
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min_age = int(input("最小年龄: ").strip())
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max_age = int(input("最大年龄: ").strip())
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students = self.bll.get_students_by_age_range(min_age, max_age)
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print(f"\n年龄在 {min_age}-{max_age} 岁的学生 ({len(students)} 人):")
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display_students(students)
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elif choice == '6': # 按专业分组统计
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groups = self.bll.get_students_by_major_group()
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for major, students in groups.items():
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print(f"\n专业: {major} ({len(students)} 人)")
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display_students(students)
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elif choice == '7': # 性别比例
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ratio = self.bll.get_gender_ratio()
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print(f"\n性别比例:")
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print(f"男生: {ratio.get(True, 0.0):.2f}%")
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print(f"女生: {ratio.get(False, 0.0):.2f}%")
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elif choice == '8': # 返回上一级
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break
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else:
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print("无效的选择，请重新输入！")
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def import_export_data(self):
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while True:
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display_import_export_menu()
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choice = input("请选择操作: ").strip()
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if choice == '1': # 导出到JSON
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file_path = input("请输入导出文件路径: ").strip()
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if self.export_to_json(file_path):
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print("导出成功！")
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else:
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print("导出失败")
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elif choice == '2': # 从JSON导入
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file_path = input("请输入导入文件路径: ").strip()
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success, error = self.import_from_json(file_path)
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print(f"导入完成: 成功 {success} 条, 失败 {error} 条")
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elif choice == '3': # 导出到CSV
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file_path = input("请输入导出文件路径: ").strip()
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if self.export_to_csv(file_path):
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print("导出成功！")
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else:
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print("导出失败")
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elif choice == '4': # 从CSV导入
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file_path = input("请输入导入文件路径: ").strip()
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success, error = self.import_from_csv(file_path)
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print(f"导入完成: 成功 {success} 条, 失败 {error} 条")
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elif choice == '5': # 返回上一级
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break
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else:
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print("无效的选择，请重新输入！")
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def clear_all_students(self):
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confirm = input("确定要清空所有学生信息吗? (y/n): ").strip().lower()
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if confirm == 'y':
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self.bll.clear_all_students()
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print("所有学生信息已清空！")
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else:
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print("操作已取消")
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def export_to_json(self, file_path: str) -> bool:
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"""导出学生信息到JSON文件"""
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students = self.bll.get_all_students()
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try:
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with open(file_path, 'w', encoding='utf-8') as f:
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json.dump([s.to_dict() for s in students], f, ensure_ascii=False, indent=4)
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return True
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except Exception as e:
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print(f"导出学生数据到JSON时出错: {e}")
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return False
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def import_from_json(self, file_path: str) -> Tuple[int, int]:
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"""从JSON文件导入学生信息"""
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success_count = 0
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error_count = 0
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try:
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with open(file_path, 'r', encoding='utf-8') as f:
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student_dicts = json.load(f)
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for s_dict in student_dicts:
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try:
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student = Student.from_dict(s_dict)
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|
|
if self.bll.add_student(student):
|
|
|
success_count += 1
|
|
|
except Exception as e:
|
|
|
error_count += 1
|
|
|
print(f"导入学生数据时出错: {e}")
|
|
|
|
|
|
return success_count, error_count
|
|
|
except Exception as e:
|
|
|
print(f"从JSON导入学生数据时出错: {e}")
|
|
|
return 0, 0
|
|
|
|
|
|
def export_to_csv(self, file_path: str) -> bool:
|
|
|
"""导出学生信息到CSV文件"""
|
|
|
students = self.bll.get_all_students()
|
|
|
if not students:
|
|
|
return False
|
|
|
|
|
|
try:
|
|
|
with open(file_path, 'w', encoding='utf-8', newline='') as f:
|
|
|
# 获取第一个学生的字段作为CSV表头
|
|
|
fieldnames = list(students[0].to_dict().keys())
|
|
|
writer = csv.DictWriter(f, fieldnames=fieldnames)
|
|
|
writer.writeheader()
|
|
|
for student in students:
|
|
|
writer.writerow(student.to_dict())
|
|
|
return True
|
|
|
except Exception as e:
|
|
|
print(f"导出学生数据到CSV时出错: {e}")
|
|
|
return False
|
|
|
|
|
|
def import_from_csv(self, file_path: str) -> Tuple[int, int]:
|
|
|
"""从CSV文件导入学生信息"""
|
|
|
success_count = 0
|
|
|
error_count = 0
|
|
|
|
|
|
try:
|
|
|
with open(file_path, 'r', encoding='utf-8') as f:
|
|
|
reader = csv.DictReader(f)
|
|
|
for row in reader:
|
|
|
try:
|
|
|
# 转换数据类型
|
|
|
converted_row = {}
|
|
|
for key, value in row.items():
|
|
|
if key in ['birth_date', 'enrollment_date'] and value:
|
|
|
converted_row[key] = date.fromisoformat(value)
|
|
|
elif key in ['height', 'weight'] and value:
|
|
|
converted_row[key] = float(value) if value else 0.0
|
|
|
else:
|
|
|
converted_row[key] = value
|
|
|
|
|
|
student = Student.from_dict(converted_row)
|
|
|
if self.bll.add_student(student):
|
|
|
success_count += 1
|
|
|
except Exception as e:
|
|
|
error_count += 1
|
|
|
print(f"导入学生数据时出错: {e}")
|
|
|
|
|
|
return success_count, error_count
|
|
|
except Exception as e:
|
|
|
print(f"从CSV导入学生数据时出错: {e}")
|
|
|
return 0, 0
|
|
|
|
|
|
|
|
|
def main():
|
|
|
# 选择存储方式
|
|
|
print("请选择数据存储方式:")
|
|
|
print("1. JSON")
|
|
|
print("2. CSV")
|
|
|
storage_choice = input("请输入选择 (1/2): ").strip()
|
|
|
|
|
|
file_path = "students.json" if storage_choice == '1' else "students.csv"
|
|
|
|
|
|
# 创建数据访问层
|
|
|
if storage_choice == '1':
|
|
|
dal = JsonStudentDAL(file_path)
|
|
|
elif storage_choice == '2':
|
|
|
dal = CsvStudentDAL(file_path)
|
|
|
else:
|
|
|
print("无效的选择，默认使用JSON存储")
|
|
|
dal = JsonStudentDAL("students.json")
|
|
|
|
|
|
# 创建业务逻辑层
|
|
|
bll = StudentBLL(dal)
|
|
|
|
|
|
# 创建用户界面
|
|
|
tui = StudentTUI(bll)
|
|
|
tui.run()
|
|
|
def fun(self):
|
|
|
"""运行UI"""
|
|
|
while True:
|
|
|
self.display_menu()
|
|
|
choice = input("请选择操作: ").strip()
|
|
|
if choice == '1':
|
|
|
self.add_student()
|
|
|
elif choice == '2':
|
|
|
self.delete_student()
|
|
|
|
|
|
elif choice == '3':
|
|
|
self.update_student()
|
|
|
|
|
|
elif choice == '5':
|
|
|
self.show_stats()
|
|
|
elif choice == '6':
|
|
|
self.import_export_data()
|
|
|
elif choice == '7':
|
|
|
self.clear_students()
|
|
|
elif choice == '8':
|
|
|
self.query_student()
|
|
|
elif choice == '4':
|
|
|
print("感谢使用学生信息管理系统！")
|
|
|
break
|
|
|
else:
|
|
|
print("无效的选择，请重新输入！")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
|
main() |
