README.md

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-# git-test
-

git-test-main/git-test/1.txt

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+202335030103曾佳艺

main.py

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-import sys
-import os
-from database import DataBase
-from student import Student
-
-
-# 格式化输出Student数组
-def print_student_info(student_list):
-    if isinstance(student_list, list):
-        if len(student_list) == 0:
-            print('''
-=========================
-    没有符合条件的学生信息
-=========================
-            ''')
-        else:
-            print("{:<12}\t{:<12}\t{:<12}\t{:<12}\t{:<12}\t{:<12}".format(
-                "学号", "姓名",
-                "English成绩",
-                "python成绩",
-                "java成绩",
-                "总成绩"))
-            for i in student_list:
-                print("{:<12}\t{:<12}\t{:<12g}\t{:<12g}\t{:<12g}\t{:<12g}".format(
-                    i.stuid,
-                    i.name,
-                    i.english_grade,
-                    i.python_grade,
-                    i.java_grade,
-                    i.total_grade))
-    else:
-        print("没有符合条件的学生信息")
-
-# 添加学生
-def add_student():
-    stuid = input("请输入学号：")
-    name = input("请输入姓名：")
-    english_grade = input("请输入英语成绩：")
-    python_grade = input("请输入python成绩：")
-    java_grade = input("请输入java成绩：")
-
-    try:
-        student = Student(stuid, name, english_grade, python_grade, java_grade)
-        DataBase.add_student_info(student)
-        # DataBase.add_student_info(student)
-    except Exception as e:
-        print("输入内容不合法", e)
-
-    isContinue = input("是否继续添加学生y/n(其他任意键)")
-    if isContinue is 'y':
-        add_student()
-
-# 查找学生
-def query_student():
-    print('''
-=====================================
-            1.学号查询
-            2.姓名查询
-            0.返回菜单(其他任意键)
-=====================================
-    ''')
-    num = input("请输入选择：：")
-    if num == '1':
-        stuid = input("请输入学号：")
-        student_list = DataBase.query_student_info_by_stuid(stuid)
-        print_student_info(student_list)
-    elif num == '2':
-        name = input("请输入姓名：")
-        student_list = DataBase.query_student_info_by_name(name)
-        print_student_info(student_list)
-    else:
-        pass
-    os.system("pause")
-
-# 删除学生
-def delete_student():
-    stuid = input("请输入学号：")
-    student_list = DataBase.query_student_info_by_stuid(stuid)
-    print_student_info(student_list)
-    if len(student_list) != 0:
-        num = input("是否删除该学生y/n(其他任意键)")
-        if num == 'y':
-            DataBase.delete_student_info_by_stuid(stuid)
-            num = input("是否继续删除学生y/n(其他任意键)")
-            if num == 'y':
-                delete_student()
-
-
-# 编辑学生
-def edit_student():
-    stuid = input("请输入学号：")
-    student_list = DataBase.query_student_info_by_stuid(stuid)
-    print_student_info(student_list)
-    if len(student_list) != 0:
-        print('''
-=====================================
-            1.修改改学生信息
-            0.退出(其他任意键)
-=====================================
-                ''')
-        num = input("请选择功能")
-        if num == '1':
-            student = student_list[0]
-            student.name = input("请输入修改后的姓名：")
-            student.english_grade = input("请输入修改后的English成绩：")
-            student.python_grade = input("请输入修改后的python成绩：")
-            student.java_grade = input("请输入修改后的java成绩：")
-            DataBase.edit_student_info(student)
-            num = input("是否继续修改学生信息y/n(其他任意键)")
-            if num == 'y':
-                edit_student()
-
-
-# 排序
-def sort_student():
-    sortType = False
-    print('''
-    ======================================
-                1.升序
-                2.降序
-                0.返回菜单(其它任意键)
-    ======================================
-        ''')
-    num = input("请选择排序方式：")
-
-    if num == '1':
-        sortType = False
-    elif num == '2':
-        sortType = True
-    else:
-        return
-
-    print('''
-======================================
-            1.学号排序
-            2.姓名排序
-            3.English成绩排序
-            4.python成绩排序
-            5.java成绩排序
-            6.总成绩排序
-            0.返回菜单(其它任意键)
-======================================
-    ''')
-
-    num = input("请选择功能：")
-    student_list = DataBase.get_student_list()
-
-    numbers = {
-        '1': lambda x: list(x.stuid),
-        '2': lambda x: list(x.name),
-        '3': lambda x: x.english_grade,
-        '4': lambda x: x.python_grade,
-        '5': lambda x: x.java_grade,
-        '6': lambda x: x.total_grade,
-    }
-
-    method = numbers.get(num)
-    if method:
-        student_list.sort(key=method, reverse=sortType)
-        print_student_info(student_list)
-    else:
-        return
-
-    num = input("继续排序y/n(其它任意键)")
-
-    if num == 'y':
-        sort_student()
-
-
-# 统计
-def statistics_student_info():
-    student_list = DataBase.get_student_list()
-    student_num = len(student_list)
-    registered_num = 0
-    total_grade = 0.0
-    average_grade = 0.0
-    for item in student_list:
-        if item.english_grade < 60 or item.python_grade < 60 or item.java_grade < 60:
-            registered_num = registered_num + 1
-        total_grade = total_grade + item.total_grade
-    average_grade = total_grade / student_num
-
-    print('''
-=======================================================
-学生总人数：{}
-挂科人数：{}
-平均总成绩：{:.2f}
-总成绩：{:g}
-=======================================================
-    '''.format(student_num, registered_num, average_grade, total_grade))
-
-    os.system('pause')
-
-# 展示所有学生信息
-def show_all_student_info():
-    student_list = DataBase.get_student_list()
-    print_student_info(student_list)
-    os.system('pause')
-
-
-def quit_sys():
-    num = input("是否确认退出y/n(其它任意键)")
-    if num == 'y':
-        print('''
-    =======================
-            退出成功
-           欢迎下次使用
-    ========================
-        ''')
-        sys.exit(0)
-
-
-def input_result(num):
-    numbers = {
-        '1': add_student,
-        '2': query_student,
-        '3': delete_student,
-        '4': edit_student,
-        '5': sort_student,
-        '6': statistics_student_info,
-        '7': show_all_student_info,
-        '0': quit_sys
-    }
-    method = numbers.get(num)
-    if method:
-        method()
-    else:
-        print("输入不合法")
-    os.system("cls")
-
-
-def menu():
-    print('''
-            学生信息管理系统
-======================================
-            1.录入学生信息
-            2.查找学生信息
-            3.删除学生信息
-            4.修改学生信息
-            5.排序
-            6.统计学生信息
-            7.显示所有学生信息
-            0.退出
-======================================
-    ''')
-    num = input("请选择功能：")
-    input_result(num)
-
-
-if __name__ == "__main__":
-    DataBase.init()
-    while True:
-        menu()

student.py

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-class Student:
-    # 姓名
-    @property
-    def name(self):
-        return self._name
-
-    # 学号
-    @property
-    def stuid(self):
-        return self._stuid
-
-    # 英语成绩
-    @property
-    def english_grade(self):
-        return self._english_grade
-
-    # python成绩
-    @property
-    def python_grade(self):
-        return self._python_grade
-
-    # java成绩
-    @property
-    def java_grade(self):
-        return self._java_grade
-
-    # 总成绩成绩
-    @property
-    def total_grade(self):
-        return self.python_grade + self.english_grade + self.java_grade
-
-    def __init__(self, stuid, name, english_grade, python_grade, java_grade):
-        self.stuid = stuid
-        self.name = name
-        self.english_grade = english_grade
-        self.python_grade = python_grade
-        self.java_grade = java_grade
-
-    @stuid.setter
-    def stuid(self, value):
-        self._stuid = value
-
-    @name.setter
-    def name(self, value):
-        self._name = value
-
-    @english_grade.setter
-    def english_grade(self, value):
-        self._english_grade = float(value)
-
-    @python_grade.setter
-    def python_grade(self, value):
-        self._python_grade = float(value)
-
-    @java_grade.setter
-    def java_grade(self, value):
-        self._java_grade = float(value)