void Student_DisplayInformation(); //显示学生信息
char *Student_ReadID();
double Student_ReadGrade();
double Student_ReadTotalGrade();
int Student_ReadGradeRank();
int Student_ReadTotalGradeRank();
void Student_WriteGradeRank(int ranGr); //更改学生成绩排名
void Student_WriteTotalGradeRank(int ranAl); //更改学生综合排名
char *Student_ReadName();
};
Student::Student() //默认构造函数
{
strncpy_s(idNumber, "000000000000",12);
strncpy_s(name,"空",30);
strncpy_s(address, "空", 50);
strncpy_s(telephone, "空", 14); //电话号码