分享原创：简单的学生信息管理系统（C++版）

           if(!pointer)   
               {
                   cout<<"申请内存失败！"<<endl;
                   exit(1);
               }
               cout<<"姓名：";
               char name[20];
               cin>>name;
               pointer->set_name(name);

               cout<<"性别：";
               char sex[2];
               cin>>sex;
               pointer->set_sex(sex);

               cout<<"年龄：";
               int age;
               cin>>age;
               pointer->set_age(age);
               
               cout<<"学号：";
               char stu_num[20];
               cin>>stu_num;
               pointer->set_stu_num(stu_num);

               cout<<"年级：";
               int grade;
               cin>>grade;
               pointer->set_grade(grade);

               cout<<"专业：";
               char major[50];
               cin>>major;
               pointer->set_major(major);
               
               cout<<"成绩："<<endl;
               pointer->set_result();

               fwrite(pointer,sizeof(ben_ke),1,fp1);
               delete pointer;
               pointer=NULL;