ADD file via upload

成绩管理.cpp

@@ -0,0 +1,87 @@
+#include <iostream>
+#include <fstream>
+#include <string>
+
+using namespace std;
+
+struct Student {
+	string name;
+	int score;
+};
+
+const int MAX_STUDENTS = 100;
+Student students[MAX_STUDENTS];
+int numStudents = 0;
+
+void saveDataToFile() {
+	ofstream file("student_data.txt");
+	if (file.is_open()) {
+		for (int i = 0; i < numStudents; i++) {
+			file << students[i].name << " " << students[i].score << endl;
+		}
+		file.close();
+	}
+}
+
+void loadDataFromFile() {
+	ifstream file("student_data.txt");
+	if (file.is_open()) {
+		while (!file.eof()) {
+			file >> students[numStudents].name >> students[numStudents].score;
+			numStudents++;
+		}
+		file.close();
+	}
+}
+
+void inputData() {
+	// 实现录入数据的功能
+}
+
+void modifyData() {
+	// 实现修改数据的功能
+}
+
+void viewData() {
+	// 实现查看数据的功能
+}
+
+void displayMenu() {
+	cout << "1. 数据录入" << endl;
+	cout << "2. 数据修改/删除" << endl;
+	cout << "3. 统计查看" << endl;
+	cout << "4. 退出系统" << endl;
+}
+
+int main() {
+	char choice;
+	cout << "是否读取文件？(Y/N): ";
+	cin >> choice;
+	if (choice == 'Y' || choice == 'y') {
+		loadDataFromFile();
+	}
+	
+	do {
+		displayMenu();
+		cout << "请选择功能：";
+		cin >> choice;
+		switch (choice) {
+		case '1':
+			inputData();
+			break;
+		case '2':
+			modifyData();
+			break;
+		case '3':
+			viewData();
+			break;
+		case '4':
+			saveDataToFile();
+			break;
+		default:
+			cout << "无效的选项" << endl;
+		}
+	} while (choice != '4');
+	
+	return 0;
+}