ADD file via upload

test6.py

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+import json
+
+class StudentManagementSystem:
+    def __init__(self):
+        # 存储学员信息的列表
+        self.students = []
+        # 记录当前操作，用于提示用户
+        self.current_operation = None
+
+    def display_menu(self):
+        # 显示系统菜单
+        print("\n学生信息管理系统")
+        print("1. 添加学员信息")
+        print("2. 删除学员信息")
+        print("3. 修改学员信息")
+        print("4. 保存学员信息")
+        print("5. 查询学员信息")
+        print("6. 显示学员信息")
+        print("7. 退出系统")
+
+    def add_student(self, name, gender, phone_number):
+        # 添加学员信息
+        student = {
+            "姓名": name,
+            "性别": gender,
+            "手机号": phone_number
+        }
+        self.students.append(student)
+        self.current_operation = "添加学员信息"
+
+    def delete_student(self, name):
+        # 删除学员信息
+        for student in self.students:
+            if student["姓名"] == name:
+                self.students.remove(student)
+                self.current_operation = "删除学员信息"
+                return True
+        return False
+
+    def modify_student(self, name, new_data):
+        # 修改学员信息
+        for i, student in enumerate(self.students):
+            if student["姓名"] == name:
+                self.students[i] = new_data
+                self.current_operation = "修改学员信息"
+                return True
+        return False
+
+    def save_data(self, filename="student_data.json"):
+        # 保存学员信息到文件（JSON格式）
+        with open(filename, "w", encoding="utf-8") as file:
+            json.dump(self.students, file, ensure_ascii=False, indent=4)
+        print("数据保存成功！")
+
+    def query_student(self, name):
+        # 查询学员信息
+        for student in self.students:
+            if student["姓名"] == name:
+                return student
+        return None
+
+    def display_students(self):
+        # 显示所有学员信息
+        if not self.students:
+            print("暂无学员信息")
+        else:
+            for student in self.students:
+                print(student)
+
+    def run(self):
+        while True:
+            # 运行系统主循环
+            self.display_menu()
+            choice = input("请输入您的选择：")
+
+            if choice == "1":
+                # 添加学员信息
+                name = input("请输入姓名：")
+                gender = input("请输入性别：")
+                phone_number = input("请输入手机号：")
+                self.add_student(name, gender, phone_number)
+
+            elif choice == "2":
+                # 删除学员信息
+                name = input("请输入要删除的学员姓名：")
+                if self.delete_student(name):
+                    print("学员信息删除成功！")
+                else:
+                    print("未找到学员信息，删除失败！")
+
+            elif choice == "3":
+                # 修改学员信息
+                name = input("请输入要修改的学员姓名：")
+                new_data = {
+                    "姓名": input("请输入新的姓名："),
+                    "性别": input("请输入新的性别："),
+                    "手机号": input("请输入新的手机号：")
+                }
+                if self.modify_student(name, new_data):
+                    print("学员信息修改成功！")
+                else:
+                    print("未找到学员信息，修改失败！")
+
+            elif choice == "4":
+                # 保存学员信息到文件
+                self.save_data()
+
+            elif choice == "5":
+                # 查询学员信息
+                name = input("请输入要查询的学员姓名：")
+                student = self.query_student(name)
+                if student:
+                    print("学员信息查询成功：", student)
+                else:
+                    print("未找到学员信息！")
+
+            elif choice == "6":
+                # 显示所有学员信息
+                self.display_students()
+
+            elif choice == "7":
+                # 退出系统
+                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。")
+
+            if self.current_operation:
+                # 提示用户操作完成
+                print(f"{self.current_operation}操作完成，数据已更新。")
+                self.current_operation = None
+
+if __name__ == "__main__":
+    # 实例化学生信息管理系统并运行
+    sms = StudentManagementSystem()
+    sms.run()