forked from p3qolzsn9/stu1
大
parent
c6959191ea
commit
423766fd7f
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import sys
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from datetime import date
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from typing import Optional
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from models.student import Student
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from bll.student_service import StudentService
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class ConsoleUI:
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"""控制台用户界面"""
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def __init__(self, service: StudentService):
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self.service = service
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def run(self):
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"""运行主界面"""
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while True:
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self._display_main_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._statistics()
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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_all_data()
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elif 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(0)
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else:
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print("无效选择，请重新输入！")
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def _display_main_menu(self):
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"""显示主菜单"""
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print("\n" + "=" * 30)
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print(" 学生信息管理系统 ")
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print("=" * 30)
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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("=" * 30)
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def _add_student(self):
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"""添加学生"""
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print("\n" + "=" * 30)
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print(" 添加学生信息 ")
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print("=" * 30)
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student = self._input_student_info()
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if student is None:
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return
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success, msg = self.service.add_student(student)
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print(msg)
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def _delete_student(self):
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"""删除学生"""
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print("\n" + "=" * 30)
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print(" 删除学生信息 ")
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print("=" * 30)
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id_card = input("请输入要删除学生的身份证号: ").strip()
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success, msg = self.service.delete_student(id_card)
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print(msg)
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def _update_student(self):
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"""更新学生信息"""
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print("\n" + "=" * 30)
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print(" 更新学生信息 ")
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print("=" * 30)
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id_card = input("请输入要更新学生的身份证号: ").strip()
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existing = self.service.get_student_by_id(id_card)
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if not existing:
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print("学生不存在")
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return
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print("\n当前学生信息:")
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self._display_student_details(existing)
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print("\n请输入新的学生信息(留空保持原值):")
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student = self._input_student_info(existing)
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if student is None:
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return
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success, msg = self.service.update_student(student)
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print(msg)
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def _query_students(self):
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"""查询学生信息"""
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while True:
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print("\n" + "=" * 30)
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print(" 查询学生信息 ")
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print("=" * 30)
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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("=" * 30)
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choice = input("请选择操作: ").strip()
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if choice == '1':
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self._list_all_students()
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elif choice == '2':
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self._query_by_id_card()
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elif choice == '3':
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self._query_by_stu_id()
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elif choice == '4':
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self._query_by_name()
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elif choice == '5':
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self._query_by_class()
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elif choice == '6':
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self._query_by_major()
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elif choice == '7':
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return
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else:
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print("无效选择，请重新输入！")
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def _statistics(self):
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"""统计分析"""
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while True:
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print("\n" + "=" * 30)
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print(" 统计分析 ")
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print("=" * 30)
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print("1. 学生总数")
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print("2. 各专业人数统计")
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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. 返回上一级")
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print("=" * 30)
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choice = input("请选择操作: ").strip()
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if choice == '1':
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count = self.service.count_total_students()
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print(f"\n学生总数: {count}")
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elif choice == '2':
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stats = self.service.count_by_major()
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print("\n各专业人数统计:")
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for major, count in stats.items():
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print(f"{major}: {count}人")
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elif choice == '3':
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avg_height = self.service.calculate_avg_height()
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print(f"\n全体学生平均身高: {avg_height['all']:.1f}cm")
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elif choice == '4':
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# 类似实现平均体重
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pass
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elif choice == '5':
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return
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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_student_info(self, existing: Student = None) -> Optional[Student]:
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"""输入学生信息"""
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try:
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name = self._get_input("姓名", existing.name if existing else None, required=True)
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id_card = self._get_input("身份证号", existing.id_card if existing else None, required=True)
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stu_id = self._get_input("学号", existing.stu_id if existing else None, required=True)
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gender = self._get_gender_input(existing.gender if existing else None)
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height = self._get_int_input("身高(cm)", existing.height if existing else None, 50, 250)
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weight = self._get_float_input("体重(kg)", existing.weight if existing else None, 5, 300)
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enrollment_date = self._get_date_input("入学日期", existing.enrollment_date if existing else None)
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class_name = self._get_input("班级", existing.class_name if existing else None)
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major = self._get_input("专业", existing.major if existing else None)
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return 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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except ValueError as e:
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print(f"输入错误: {e}")
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return None
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# 其他辅助方法...
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