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import os
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import re
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from datetime import date
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from bll.student_bll import StudentBLL
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from dal.student_dal_json import StudentDAL
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from model.Student import Student
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class StudentUI:
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def __init__(self):
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current_dir = os.path.dirname(os.path.abspath(__file__))
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parent_dir = os.path.dirname(current_dir)
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data_dir = os.path.join(parent_dir, "data")
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os.makedirs(data_dir, exist_ok=True)
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file_path = os.path.join(data_dir, "students.json")
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dal = StudentDAL(file_path)
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self.bll = StudentBLL(dal)
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self.file_path = file_path
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def display_menu(self):
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"""显示主菜单"""
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os.system('cls' if os.name == 'nt' else 'clear')
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print("*" * 50)
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print(" 学生信息管理系统 - 主菜单 ")
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print("*" * 50)
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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("0. 退出系统")
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print("*" * 50)
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def display_delete_menu(self):
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"""显示删除子菜单"""
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os.system('cls' if os.name == 'nt' else 'clear')
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print("*" * 50)
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print(" 学生信息管理系统 - 删除菜单 ")
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print("*" * 50)
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print("1. 按学号删除学生信息")
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print("2. 按身份证号删除学生信息")
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print("0. 返回上一级")
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print("*" * 50)
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def display_query_menu(self):
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"""显示查询子菜单"""
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os.system('cls' if os.name == 'nt' else 'clear')
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print("*" * 50)
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print(" 学生信息管理系统 - 查询菜单 ")
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print("*" * 50)
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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("0. 返回上一级")
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print("*" * 50)
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def display_stats_menu(self):
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"""显示统计分析子菜单"""
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os.system('cls' if os.name == 'nt' else 'clear')
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print("*" * 50)
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print(" 学生信息管理系统 - 统计分析菜单 ")
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print("*" * 50)
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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. 统计各专业学生人数")
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print("7. 计算平均身高/体重（按班级）")
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print("8. 计算平均身高/体重（按专业）")
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print("9. 统计性别比例")
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print("0. 返回上一级")
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print("*" * 50)
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def display_import_export_menu(self):
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"""显示数据导入导出子菜单"""
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os.system('cls' if os.name == 'nt' else 'clear')
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print("*" * 50)
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print(" 学生信息管理系统 - 数据导入导出菜单 ")
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print("*" * 50)
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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. 备份数据")
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print("6. 恢复数据")
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print("0. 返回上一级")
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print("*" * 50)
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def get_input(self, prompt: str) -> str:
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"""获取用户输入，添加异常处理"""
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try:
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return input(prompt).strip()
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except EOFError:
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return "0" # 按Ctrl+D视为退出
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def add_student(self):
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"""添加学生信息"""
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os.system('cls' if os.name == 'nt' else 'clear')
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print("*" * 50)
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print(" 添加学生信息 ")
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print("*" * 50)
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name = self.get_input("请输入姓名: ")
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while not (2 <= len(name) <= 20):
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print("姓名长度需在2-20个字符之间")
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name = self.get_input("请输入姓名: ")
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gender = self.get_input("请输入性别(男/女): ")
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while gender not in ['男', '女']:
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print("性别只能是'男'或'女'")
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gender = self.get_input("请输入性别(男/女): ")
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id_number = self.get_input("请输入身份证号: ")
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while not re.match(r'^\d{17}[\dXx]$', id_number):
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print("身份证号格式不正确，请输入18位身份证号。")
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id_number = self.get_input("请输入身份证号: ")
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while True:
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student_id = self.get_input("请输入学号: ")
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if re.match(r'^\d{10,15}$', student_id): # 假设学号是10-15位数字
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if not self.bll.dal.check_student_exists(student_id):
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break
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print("学号已存在，请重新输入。")
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else:
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print("学号格式不正确，请输入10到15位数字")
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while True:
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try:
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height = float(self.get_input("请输入身高(cm): "))
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if 50 <= height <= 250:
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break
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print("身高必须在50到250cm之间，请重新输入。")
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except ValueError:
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print("身高必须为有效的数值，请重新输入。")
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while True:
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try:
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weight = float(self.get_input("请输入体重(kg): "))
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if 5 <= weight <= 300:
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break
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print("体重必须在5到300kg之间，请重新输入。")
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except ValueError:
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print("体重必须为有效的数值，请重新输入。")
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# 从身份证号中提取出生日期
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birth_date_str = id_number[6:14]
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birth_date = date(int(birth_date_str[:4]), int(birth_date_str[4:6]), int(birth_date_str[6:]))
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# 电话号码验证
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while True:
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phone = self.get_input("请输入电话号码: ")
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if re.match(r'^1[3-9]\d{9}$', phone):
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break
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print("电话号码格式不正确，请输入11位数字")
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# 邮箱验证
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while True:
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email = self.get_input("请输入邮箱地址: ")
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if re.match(r'^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$', email):
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break
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print("邮箱格式不正确，请重新输入")
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# 入学日期验证
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while True:
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enrollment_date = self.get_input("请输入入学日期(YYYY-MM-DD): ")
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try:
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enrollment_date_obj = date.fromisoformat(enrollment_date)
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if enrollment_date_obj >= birth_date:
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break
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print("入学日期不能早于出生日期，请重新输入。")
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except ValueError:
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print("日期格式错误，请使用YYYY-MM-DD格式（例如：2023-09-01）")
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class_name = self.get_input("请输入班级: ")
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major = self.get_input("请输入专业: ")
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# 创建Student对象
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try:
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student = Student(
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sid=student_id,
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name=name,
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gender=gender,
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height=height,
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weight=weight,
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birth_date=birth_date,
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enrollment_date=enrollment_date_obj,
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class_name=class_name,
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id_number=id_number,
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phone=phone,
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email=email,
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major=major
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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("学生信息添加失败。")
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except ValueError as e:
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print(f"添加学生失败: {e}")
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def handle_delete(self, choice):
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"""处理删除操作"""
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if choice == '1':
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sid = self.get_input("请输入要删除的学生学号: ")
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try:
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if self.bll.delete_student(sid):
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print("学生信息删除成功！")
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else:
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print("学生信息删除失败。")
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except ValueError as e:
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print(e)
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elif choice == '2':
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id_number = self.get_input("请输入要删除的学生身份证号: ")
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try:
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if self.bll.delete_student_by_id_number(id_number):
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print("学生信息删除成功！")
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else:
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print("学生信息删除失败。")
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except ValueError as e:
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print(e)
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elif choice == '0':
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return
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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 update_student(self):
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"""更新学生信息"""
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os.system('cls' if os.name == 'nt' else 'clear')
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print("*" * 50)
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print(" 更新学生信息 ")
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print("*" * 50)
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sid = self.get_input("请输入要更新的学生学号: ")
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student = self.bll.get_student_by_id(sid)
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if student:
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print(f"当前学生信息: {student}")
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# 获取更新信息
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name = self.get_input(f"请输入新的姓名（当前：{student.name}），不修改请直接回车: ")
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gender = self.get_input(f"请输入新的性别（当前：{student.gender}），不修改请直接回车: ")
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height = self.get_input(f"请输入新的身高（当前：{student.height}），不修改请直接回车: ")
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weight = self.get_input(f"请输入新的体重（当前：{student.weight}），不修改请直接回车: ")
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birth_date = self.get_input(f"请输入新的出生日期（当前：{student.birth_date}），不修改请直接回车: ")
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enrollment_date = self.get_input(f"请输入新的入学日期（当前：{student.enrollment_date}），不修改请直接回车: ")
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class_name = self.get_input(f"请输入新的班级（当前：{student.class_name}），不修改请直接回车: ")
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major = self.get_input(f"请输入新的专业（当前：{student.major}），不修改请直接回车: ")
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phone = self.get_input(f"请输入新的电话号码（当前：{student.phone}），不修改请直接回车: ")
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email = self.get_input(f"请输入新的邮箱地址（当前：{student.email}），不修改请直接回车: ")
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# 更新学生信息
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update_fields = {}
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if name:
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update_fields['name'] = name
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if gender:
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update_fields['gender'] = gender
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if height:
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update_fields['height'] = int(height)
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if weight:
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update_fields['weight'] = float(weight)
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if birth_date:
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update_fields['birth_date'] = date.fromisoformat(birth_date)
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if enrollment_date:
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update_fields['enrollment_date'] = date.fromisoformat(enrollment_date)
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if class_name:
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update_fields['class_name'] = class_name
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if major:
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update_fields['major'] = major
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if phone:
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update_fields['phone'] = phone
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if email:
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update_fields['email'] = email
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if update_fields:
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try:
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if self.bll.update_student_partial(sid, **update_fields):
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print("学生信息更新成功！")
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else:
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print("学生信息更新失败。")
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except ValueError as e:
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print(e)
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else:
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print("未输入任何更新信息，操作取消。")
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else:
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print(f"学生 ID {sid} 不存在。")
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def handle_query(self, choice):
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"""处理查询操作"""
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if choice == '1':
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students = self.bll.get_all_students()
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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所有学生信息：")
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print(f"{'学号':<15}{'姓名':<10}{'性别':<5}{'年龄':<5}{'班级':<15}{'专业':<15}{'身高(cm)':<10}{'体重(kg)':<10}")
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print("-" * 80)
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today = date.today()
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for student in students:
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age = today.year - student.birth_date.year
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if today < date(today.year, student.birth_date.month, student.birth_date.day):
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age -= 1
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print(f"{student.sid:<15}{student.name:<10}{student.gender:<5}{age:<5}{student.class_name:<15}{student.major:<15}{student.height:<10}{student.weight:<10}")
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elif choice == '2':
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id_number = self.get_input("请输入身份证号: ")
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student = self.bll.find_student_by_id_number(id_number)
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if student:
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print("\n找到学生信息：")
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print(f"学号: {student.sid}")
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print(f"姓名: {student.name}")
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print(f"性别: {student.gender}")
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print(f"年龄: {date.today().year - student.birth_date.year}")
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print(f"班级: {student.class_name}")
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print(f"专业: {student.major}")
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print(f"身高: {student.height} cm")
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print(f"体重: {student.weight} kg")
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print(f"身份证号: {student.id_number}")
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print(f"电话号码: {student.phone}")
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print(f"邮箱地址: {student.email}")
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print(f"出生日期: {student.birth_date}")
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print(f"入学日期: {student.enrollment_date}")
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else:
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print(f"未找到身份证号为 {id_number} 的学生。")
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elif choice == '3':
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sid = self.get_input("请输入学号: ")
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student = self.bll.get_student_by_id(sid)
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if student:
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print("\n找到学生信息：")
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print(f"学号: {student.sid}")
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print(f"姓名: {student.name}")
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print(f"性别: {student.gender}")
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print(f"年龄: {date.today().year - student.birth_date.year}")
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print(f"班级: {student.class_name}")
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print(f"专业: {student.major}")
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print(f"身高: {student.height} cm")
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print(f"体重: {student.weight} kg")
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print(f"身份证号: {student.id_number}")
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print(f"电话号码: {student.phone}")
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print(f"邮箱地址: {student.email}")
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print(f"出生日期: {student.birth_date}")
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print(f"入学日期: {student.enrollment_date}")
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else:
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print(f"未找到学号为 {sid} 的学生。")
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elif choice == '4':
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name = self.get_input("请输入姓名: ")
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students = self.bll.get_students_by_name(name)
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if not students:
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print(f"未找到姓名包含 '{name}' 的学生。")
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return
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print(f"\n找到 {len(students)} 名学生：")
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print(f"{'学号':<15}{'姓名':<10}{'性别':<5}{'年龄':<5}{'班级':<15}{'专业':<15}{'身高(cm)':<10}{'体重(kg)':<10}")
|
|
|
print("-" * 80)
|
|
|
today = date.today()
|
|
|
for student in students:
|
|
|
age = today.year - student.birth_date.year
|
|
|
if today < date(today.year, student.birth_date.month, student.birth_date.day):
|
|
|
age -= 1
|
|
|
print(f"{student.sid:<15}{student.name:<10}{student.gender:<5}{age:<5}{student.class_name:<15}{student.major:<15}{student.height:<10}{student.weight:<10}")
|
|
|
elif choice == '5':
|
|
|
class_name = self.get_input("请输入班级: ")
|
|
|
students = self.bll.get_students_by_class(class_name)
|
|
|
if not students:
|
|
|
print(f"未找到班级包含 '{class_name}' 的学生。")
|
|
|
return
|
|
|
print(f"\n找到 {len(students)} 名学生：")
|
|
|
print(f"{'学号':<15}{'姓名':<10}{'性别':<5}{'年龄':<5}{'班级':<15}{'专业':<15}{'身高(cm)':<10}{'体重(kg)':<10}")
|
|
|
print("-" * 80)
|
|
|
today = date.today()
|
|
|
for student in students:
|
|
|
age = today.year - student.birth_date.year
|
|
|
if today < date(today.year, student.birth_date.month, student.birth_date.day):
|
|
|
age -= 1
|
|
|
print(f"{student.sid:<15}{student.name:<10}{student.gender:<5}{age:<5}{student.class_name:<15}{student.major:<15}{student.height:<10}{student.weight:<10}")
|
|
|
elif choice == '6':
|
|
|
major = self.get_input("请输入专业: ")
|
|
|
students = self.bll.get_students_by_major(major)
|
|
|
if not students:
|
|
|
print(f"未找到专业包含 '{major}' 的学生。")
|
|
|
return
|
|
|
print(f"\n找到 {len(students)} 名学生：")
|
|
|
print(f"{'学号':<15}{'姓名':<10}{'性别':<5}{'年龄':<5}{'班级':<15}{'专业':<15}{'身高(cm)':<10}{'体重(kg)':<10}")
|
|
|
print("-" * 80)
|
|
|
today = date.today()
|
|
|
for student in students:
|
|
|
age = today.year - student.birth_date.year
|
|
|
if today < date(today.year, student.birth_date.month, student.birth_date.day):
|
|
|
age -= 1
|
|
|
print(f"{student.sid:<15}{student.name:<10}{student.gender:<5}{age:<5}{student.class_name:<15}{student.major:<15}{student.height:<10}{student.weight:<10}")
|
|
|
elif choice == '0':
|
|
|
return
|
|
|
else:
|
|
|
print("无效的选择，请重新输入。")
|
|
|
|
|
|
def handle_stats(self, choice):
|
|
|
"""处理统计分析操作"""
|
|
|
if choice == '1':
|
|
|
count = self.bll.dal.get_student_count()
|
|
|
print(f"学生总数为: {count}")
|
|
|
elif choice == '2':
|
|
|
average_height = self.bll.dal.get_average_height()
|
|
|
print(f"学生平均身高为: {average_height:.2f} cm")
|
|
|
elif choice == '3':
|
|
|
min_height = int(self.get_input("请输入最小身高: "))
|
|
|
max_height = int(self.get_input("请输入最大身高: "))
|
|
|
count = self.bll.dal.count_students_by_height_range(min_height, max_height)
|
|
|
print(f"身高在 {min_height} - {max_height} cm 之间的学生数量为: {count}")
|
|
|
elif choice == '4':
|
|
|
year = int(self.get_input("请输入入学年份: "))
|
|
|
count = self.bll.dal.count_students_by_enrollment_year(year)
|
|
|
print(f"{year} 年入学的学生数量为: {count}")
|
|
|
elif choice == '5':
|
|
|
min_age = int(self.get_input("请输入最小年龄: "))
|
|
|
max_age = int(self.get_input("请输入最大年龄: "))
|
|
|
count = self.bll.dal.count_students_by_age_range(min_age, max_age)
|
|
|
print(f"年龄在 {min_age} - {max_age} 岁之间的学生数量为: {count}")
|
|
|
elif choice == '6':
|
|
|
major_counts = self.bll.count_students_by_major()
|
|
|
print("\n各专业学生人数统计：")
|
|
|
print(f"{'专业':<20}{'人数'}")
|
|
|
print("-" * 30)
|
|
|
for major, count in major_counts.items():
|
|
|
print(f"{major:<20}{count}")
|
|
|
elif choice == '7':
|
|
|
print("\n按班级统计平均身高/体重：")
|
|
|
class_stats = self.bll.calculate_average_height_weight('class_name')
|
|
|
print(f"{'班级':<20}{'平均身高(cm)':<15}{'平均体重(kg)'}")
|
|
|
print("-" * 45)
|
|
|
for class_name, stats in class_stats.items():
|
|
|
print(f"{class_name:<20}{stats['average_height']:<15.2f}{stats['average_weight']:.2f}")
|
|
|
elif choice == '8':
|
|
|
print("\n按专业统计平均身高/体重：")
|
|
|
major_stats = self.bll.calculate_average_height_weight('major')
|
|
|
print(f"{'专业':<20}{'平均身高(cm)':<15}{'平均体重(kg)'}")
|
|
|
print("-" * 45)
|
|
|
for major, stats in major_stats.items():
|
|
|
print(f"{major:<20}{stats['average_height']:<15.2f}{stats['average_weight']:.2f}")
|
|
|
elif choice == '9':
|
|
|
gender_ratio = self.bll.calculate_gender_ratio()
|
|
|
print("\n性别比例统计：")
|
|
|
print(f"男生比例: {gender_ratio['male_ratio']:.2%}")
|
|
|
print(f"女生比例: {gender_ratio['female_ratio']:.2%}")
|
|
|
elif choice == '0':
|
|
|
return
|
|
|
else:
|
|
|
print("无效的选择，请重新输入。")
|
|
|
|
|
|
def handle_import_export(self, choice):
|
|
|
"""处理数据导入导出操作"""
|
|
|
if choice == '1':
|
|
|
file_path = self.get_input("请输入要导出的JSON文件路径: ")
|
|
|
self.bll.dal.export_to_json(file_path)
|
|
|
print("数据导出到JSON成功！")
|
|
|
elif choice == '2':
|
|
|
file_path = self.get_input("请输入要导入的JSON文件路径: ")
|
|
|
self.bll.dal.import_from_json(file_path)
|
|
|
print("数据从JSON导入成功！")
|
|
|
elif choice == '3':
|
|
|
file_path = self.get_input("请输入要导出的CSV文件路径: ")
|
|
|
self.bll.dal.export_to_csv(file_path)
|
|
|
print("数据导出到CSV成功！")
|
|
|
elif choice == '4':
|
|
|
file_path = self.get_input("请输入要导入的CSV文件路径: ")
|
|
|
self.bll.dal.import_from_csv(file_path)
|
|
|
print("数据从CSV导入成功！")
|
|
|
elif choice == '5':
|
|
|
backup_path = self.get_input("请输入备份文件路径: ")
|
|
|
self.bll.dal.backup_data(backup_path)
|
|
|
elif choice == '6':
|
|
|
backup_path = self.get_input("请输入恢复文件路径: ")
|
|
|
self.bll.dal.restore_data(backup_path)
|
|
|
elif choice == '0':
|
|
|
return
|
|
|
else:
|
|
|
print("无效的选择，请重新输入。")
|
|
|
|
|
|
def clear_all_students(self):
|
|
|
"""清空所有学生信息"""
|
|
|
os.system('cls' if os.name == 'nt' else 'clear')
|
|
|
print("*" * 50)
|
|
|
print(" 警告：清空所有学生信息 ")
|
|
|
print("*" * 50)
|
|
|
confirm = self.get_input("此操作将删除所有学生信息，且无法恢复。确定要继续吗？(y/n): ")
|
|
|
if confirm.lower() == 'y':
|
|
|
try:
|
|
|
self.bll.dal.clear_all_students()
|
|
|
print("所有学生信息已清空！")
|
|
|
except Exception as e:
|
|
|
print(f"清空学生信息失败: {e}")
|
|
|
|
|
|
def run(self):
|
|
|
"""运行主程序"""
|
|
|
while True:
|
|
|
self.display_menu()
|
|
|
choice = self.get_input("请输入你的选择: ")
|
|
|
if choice == '1':
|
|
|
self.add_student()
|
|
|
elif choice == '2':
|
|
|
while True:
|
|
|
self.display_delete_menu()
|
|
|
delete_choice = self.get_input("请输入你的删除选择: ")
|
|
|
if delete_choice == '0':
|
|
|
break
|
|
|
self.handle_delete(delete_choice)
|
|
|
elif choice == '3':
|
|
|
self.update_student()
|
|
|
elif choice == '4':
|
|
|
while True:
|
|
|
self.display_query_menu()
|
|
|
query_choice = self.get_input("请输入你的查询选择: ")
|
|
|
if query_choice == '0':
|
|
|
break
|
|
|
self.handle_query(query_choice)
|
|
|
elif choice == '5':
|
|
|
while True:
|
|
|
self.display_stats_menu()
|
|
|
stats_choice = self.get_input("请输入你的统计选择: ")
|
|
|
if stats_choice == '0':
|
|
|
break
|
|
|
self.handle_stats(stats_choice)
|
|
|
elif choice == '6':
|
|
|
while True:
|
|
|
self.display_import_export_menu()
|
|
|
import_export_choice = self.get_input("请输入你的导入导出选择: ")
|
|
|
if import_export_choice == '0':
|
|
|
break
|
|
|
self.handle_import_export(import_export_choice)
|
|
|
elif choice == '7':
|
|
|
self.clear_all_students()
|
|
|
elif choice == '0':
|
|
|
print("感谢使用学生信息管理系统，再见！")
|
|
|
break
|
|
|
else:
|
|
|
print("无效的选择，请重新输入。")
|
|
|
input("\n按Enter键继续...") |
