add code

Administrator.h

@@ -0,0 +1,33 @@
+// Copyright (c) 2023 Xi Xu
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef STUDENT_INFORMATION_MANAGEMENT_SYSTEM_ADMINISTRATOR_H
+#define STUDENT_INFORMATION_MANAGEMENT_SYSTEM_ADMINISTRATOR_H
+
+#include "Student.h"
+#include <vector>
+
+class Administrator
+{
+private:
+    std::vector<Student> stu;
+    static int maxno;
+
+public:
+    Student getstu(int i);
+    static int getmaxno();
+    int add(char *i_name, bool i_gender, int i_age, char *i_major, int i_cls, double i_score);
+    int find(int i_no);
+    int find(char *i_name);
+    std::vector<int> findbycls(char *i_major, int i_cls);
+    bool erase(int i_no);
+    bool erase(char *i_name);
+    bool edit(int i_no, char *i_name, bool i_male, int i_age, char *i_major, int i_cls, double i_score);
+    void display();
+    void sequence(bool ascending = true);
+    double average();
+    void loadfile();
+    void writefile();
+};
+
+#endif // STUDENT_INFORMATION_MANAGEMENT_SYSTEM_ADMINISTRATOR_H