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292 lines
10 KiB
292 lines
10 KiB
from datetime import date
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from bll.StudentBLL import StudentBLL
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from dal.StudentDAL import StudentDAL
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from student.Student import Student
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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 display_menu(self):
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print("\n===== 学生信息管理系统 =====")
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print("1. 添加学生")
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print("2. 删除学生")
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print("3. 更新学生")
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print("4. 查询学生")
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print("5. 统计分析")
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print("6. 导入导出")
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print("7. 清空数据")
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print("0. 退出系统")
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print("==========================")
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def run(self):
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while True:
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self.display_menu()
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choice = input("请选择操作: ").strip()
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if choice == "0":
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print("再见！")
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break
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elif 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.show_stats()
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elif choice == "6":
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self.import_export()
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elif choice == "7":
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self.clear_data()
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else:
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print("无效选择，请重试")
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def add_student(self):
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print("\n--- 添加学生 ---")
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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 = self.input_gender()
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height = self.input_int("身高(cm): ")
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weight = self.input_float("体重(kg): ")
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enrollment_date = self.input_date("入学日期(YYYY-MM-DD): ")
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class_name = input("班级: ").strip()
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major = input("专业: ").strip()
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try:
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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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)
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self.bll.add_student(student)
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print("添加成功！")
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except ValueError as e:
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print(f"添加失败: {e}")
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def input_gender(self):
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"""输入性别"""
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while True:
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gender = input("性别(1.男 2.女 3.跳过): ").strip()
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if gender == '1':
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return True
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elif gender == '2':
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return False
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elif gender == '3':
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return None
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else:
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print("无效选择，请重新输入")
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def input_int(self, prompt: str):
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"""输入整数"""
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while True:
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value = input(prompt).strip()
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try:
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return int(value) if value else None
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except ValueError:
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print("请输入有效的整数")
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def input_float(self, prompt: str):
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"""输入浮点数"""
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while True:
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value = input(prompt).strip()
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try:
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return float(value) if value else None
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except ValueError:
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print("请输入有效的数字")
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def input_date(self, prompt: str):
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"""输入日期"""
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while True:
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try:
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date_str = input(prompt).strip()
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if not date_str:
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return None
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return date.fromisoformat(date_str)
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except ValueError:
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print("日期格式应为YYYY-MM-DD")
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def delete_student(self):
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print("\n--- 删除学生 ---")
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stu_id = input("请输入学号: ").strip()
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try:
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self.bll.delete_student(stu_id)
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print("删除成功！")
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except ValueError as e:
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print(f"删除失败: {e}")
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def update_student(self):
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print("\n--- 更新学生 ---")
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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 not student:
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print("学生不存在")
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return
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print(f"当前信息: {student}")
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name = input(f"新姓名({student.name}): ").strip() or student.name
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id_card = input(f"新身份证号({student.id_card}): ").strip() or student.id_card
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new_stu_id = input(f"新学号({student.stu_id}): ").strip() or student.stu_id
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gender = self.input_gender_update(student.gender)
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height = self.input_int(f"新身高({student.height}): ") or student.height
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weight = self.input_float(f"新体重({student.weight}): ") or student.weight
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enrollment_date = self.input_date_update(student.enrollment_date)
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class_name = input(f"新班级({student.class_name}): ").strip() or student.class_name
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major = input(f"新专业({student.major}): ").strip() or student.major
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try:
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updated_student = Student(
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name=name,
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id_card=id_card,
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stu_id=new_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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)
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# 如果学号改变了，需要先删除旧记录
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if new_stu_id != stu_id:
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self.bll.delete_student(stu_id)
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self.bll.add_student(updated_student)
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print("更新成功！")
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except ValueError as e:
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print(f"更新失败: {e}")
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def input_gender_update(self, current_gender):
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current = "男" if current_gender is True else "女" if current_gender is False else "未指定"
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print(f"当前性别: {current}")
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return self.input_gender()
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def input_date_update(self, current_date):
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"""输入日期（更新时）"""
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if current_date:
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print(f"当前日期: {current_date.isoformat()}")
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return self.input_date("新的日期(YYYY-MM-DD): ") or current_date
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def query_students(self):
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print("\n--- 查询学生 ---")
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print("1. 按身份证号查询")
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print("2. 按学号查询")
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print("3. 按姓名查询")
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print("4. 按班级查询")
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print("5. 按专业查询")
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print("6. 所有学生")
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choice = input("请选择查询方式: ").strip()
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students = []
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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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student = self.bll.get_student_by_id_card(id_card)
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if student:
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students = [student]
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elif choice == "2":
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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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students = [student]
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elif choice == "3":
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name = input("请输入姓名: ").strip()
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students = self.bll.search_students('name', name)
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elif choice == "4":
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class_name = input("请输入班级: ").strip()
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students = self.bll.search_students('class', class_name)
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elif choice == "5":
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major = input("请输入专业: ").strip()
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students = self.bll.search_students('major', major)
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elif choice == "6":
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students = self.bll.get_all_students()
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else:
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print("无效选择")
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return
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self.print_students(students)
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def print_students(self, students):
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if not students:
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print("没有找到学生")
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return
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print("\n身份证号\t学号\t姓名\t性别\t身高\t体重\t班级\t专业\t年龄")
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print("=" * 100)
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for s in students:
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gender = "男" if s.gender is True else "女" if s.gender is False else "未知"
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print(f"{s.id_card}\t{s.stu_id}\t{s.name}\t{gender}\t"
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f"{s.height or '--'}\t{s.weight or '--'}\t"
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f"{s.class_name or '--'}\t{s.major or '--'}\t"
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f"{s.age or '--'}")
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print(f"共找到 {len(students)} 名学生")
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def show_stats(self):
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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. 专业分布")
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print("3. 平均身高")
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print("4. 平均体重")
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print("5. 按年龄范围查询")
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choice = input("请选择统计项目: ").strip()
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if choice == "1":
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count = self.bll.get_student_count()
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print(f"学生总数: {count}")
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elif choice == "2":
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major_counts = self.bll.get_major_counts()
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print("\n专业分布:")
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for major, count in major_counts.items():
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print(f" {major}: {count}人")
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elif choice == "3":
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avg_height = self.bll.calculate_avg_height()
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print(f"平均身高: {avg_height:.1f} cm")
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elif choice == "4":
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avg_weight = self.bll.calculate_avg_weight()
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print(f"平均体重: {avg_weight:.1f} kg")
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elif choice == "5":
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min_age = int(input("最小年龄: "))
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max_age = int(input("最大年龄: "))
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students = self.bll.get_students_by_age(min_age, max_age)
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self.print_students(students)
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else:
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print("无效选择")
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def import_export(self):
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print("\n--- 导入导出 ---")
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print("1. 导出数据")
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print("2. 导入数据")
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choice = input("请选择操作: ").strip()
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if choice == "1":
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file_path = input("导出文件路径: ").strip()
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if self.bll.export_data(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":
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file_path = input("导入文件路径: ").strip()
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if self.bll.import_data(file_path):
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print("导入成功！")
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else:
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print("导入失败")
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else:
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print("无效选择")
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def clear_data(self):
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confirm = input("确定要清空所有数据吗？(y/n): ").strip().lower()
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if confirm == 'y':
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if self.bll.clear_all():
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print("数据已清空")
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else:
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print("清空失败") |