学生信息管理系统

        嘿嘿，大一的时候做的课设，是关于学生信息管理系统的，这个做得比较全，用c写的，可以升序，降序，文件的保存以及，学生信息的录入等等等等，放这儿仅供参考，有什么不对的地方，欢迎批评指出，哈哈！

#include 
#include 
#include 
#define YES 1
#define NO 0
typedef struct
{
	int num;
	float math_score;
	float engl_score;
	float chin_score;
	float phy_score;
	float chem_score;
	double aver_score;
	double sum_score;
	char sex;
}StudentDate;//学生基本信息
typedef struct student
{
	char name[20];//学生姓名
	StudentDate one;//学生其他信息
	int rank;//成绩排名
	struct student *next;
}Student, *List;
Student *createListHead(void);//创建链表的头
void menu(void);//主菜单
void sortList(Student *pHead);//排序链表
void readListWithFile(Student *pHead, char *file_name);//从文件中读取数据，并保存在链表中
int userChioce(Student *pHead);//用户选择
int sortMenu(void);//打印选择菜单
void addStudentInfo(Student *pHead);//向链表的末尾添加数据
int scanMenu(void);//浏览菜单
void findStudentInfo(Student *pHead);//查找学生信息
void delStudentInfo(Student *pHead);//删除某一个学生信息
void alterStudentInfo(Student *pHead);//修改学生信息
void saveList(Student *pHead);//将链表保存在文件里
void printList(Student *pHead);//打印链表
void statisStudentInfo(Student *pHead);//查看学生信息
int statisMenu(void);//查看菜单
void inputData(Student *pHead,Student *node);//输入信息
int adMenu(void);
int main(void)
{
	Student *pHead;
	pHead = createListHead();//读取信息
	while (1)
	{
		if (9 == userChioce(pHead)) //按9时退出系统
		{
			break;
		}
	}

	return 0;
}

void menu(void)
{
	system("CLS");//清屏
	printf("\n\n\n\t\t\t\t┌─────────────────┐\n");
	printf("\t\t\t\t│         学生成绩统计系统         │\n");
	printf("\t\t\t\t├─────────────────┤\n");
	printf("\t\t\t\t│         1   增加学生信息         │\n");
	printf("\t\t\t\t├─────────────────┤\n");
	printf("\t\t\t\t│         2   删除学生信息         │\n");
	printf("\t\t\t\t├─────────────────┤\n");
	printf("\t\t\t\t│         3   修改学生信息         │\n");
	printf("\t\t\t\t├─────────────────┤\n");
	printf("\t\t\t\t│         4   查找学生信息         │\n");
	printf("\t\t\t\t├─────────────────┤\n");
	printf("\t\t\t\t│         5   查看学生成绩         │\n");
	printf("\t\t\t\t├─────────────────┤\n");
	printf("\t\t\t\t│         6   排序学生成绩         │\n");
	printf("\t\t\t\t├─────────────────┤\n");
	printf("\t\t\t\t│         9    退出系统            │\n");
	printf("\t\t\t\t├─────────────────┤\n");
	printf("\t\t\t\t│      制作人：xxxxxxxxxx     \n");
	printf("\t\t\t\t└─────────────────┘\n");
}
Student *createListHead(void)
{
	Student *pHead;

	pHead = (List)malloc(sizeof(Student));
	pHead->next = NULL;

	return pHead;
}

void readListWithFile(Student *pHead, char *file_name)
{
	FILE *fp;
	Student *p1, *p2;
	int count, rank = 0;
	StudentDate txt;
	char stu_name[20];

	fp = fopen(file_name, "r");
	if (fp == NULL)
	{
		fp = fopen(file_name, "w");
		fclose(fp);
		return;
	}
	fseek(fp, 0L, 2);
	count = ftell(fp);
	p1 = pHead;
	fp = fopen(file_name, "r");
	while (!feof(fp))
	{
		p2 = (List)malloc(sizeof(Student));
		fscanf(fp, "%d%s %c%f%f%f%f%f\n", &p2->one.num, p2->name, &p2->one.sex, &p2->one.chin_score,
			&p2->one.math_score, &p2->one.engl_score, &p2->one.chem_score, &p2->one.phy_score);
		p2->one.sum_score = (double)(p2->one.chin_score + p2->one.chin_score + p2->one.engl_score +
			p2->one.chem_score + p2->one.phy_score);
		p2->one.aver_score = p2->one.sum_score / 5;
		p2->next = NULL;
		p1->next = p2;
		p1 = p2;
		if (ftell(fp) == count)
		{
			break;
		}
	}
	//将链表排序，并初始化排名
	for (p1 = pHead->next; p1 != NULL; p1 = p1->next)
	{
		for (p2 = p1->next; p2 != NULL; p2 = p2->next)
		{
			if (p2->one.sum_score > p1->one.sum_score)
			{
				txt = p2->one;
				strcpy(stu_name, p2->name);
				p2->one = p1->one;
				strcpy(p2->name, p1->name);
				p1->one = txt;
				strcpy(p1->name, stu_name);
			}
		}
		p1->rank = ++rank;
	}
	fclose(fp);
}

void sortList(Student *pHead)
{
	Student *p1, *p2;
	StudentDate txt;
	char stu_name[20];
	int bum, count = 0, rank;

	system("title 学生成绩统计系统-排序");//将标题栏命名为“学生成绩统计系统”
	bum = sortMenu();
	if (bum == 1) //按成绩升序
	{
		for (p1 = pHead->next; p1 != NULL; p1 = p1->next)
		{
			for (p2 = p1->next; p2 != NULL; p2 = p2->next)
			{
				if (p2->one.sum_score < p1->one.sum_score)
				{
					txt = p2->one;
					rank = p2->rank;
					strcpy(stu_name, p2->name);
					p2->one = p1->one;
					p2->rank = p1->rank;
					strcpy(p2->name, p1->name);
					p1->one = txt;
					p1->rank = rank;
					strcpy(p1->name, stu_name);
				}
			}
		}
	}
	else if (bum == 2)//按学号升序
		{
			for (p1 = pHead->next; p1 != NULL; p1 = p1->next)
			{
				for (p2 = p1->next; p2 != NULL; p2 = p2->next)
				{
					if (p2->one.num < p1->one.num)
					{
						txt = p2->one;
						rank = p2->rank;
						strcpy(stu_name, p2->name);
						p2->one = p1->one;
						p2->rank = p1->rank;
						strcpy(p2->name, p1->name);
						p1->one = txt;
						p1->rank = rank;
						strcpy(p1->name, stu_name);
					}
				}
			}
		}
	 else if (bum == 3) //按成绩降序
	{
		for (p1 = pHead->next; p1 != NULL; p1 = p1->next)
		{
			for (p2 = p1->next; p2 != NULL; p2 = p2->next)
			{
				if (p2->one.sum_score > p1->one.sum_score)
				{
					txt = p2->one;
					rank = p2->rank;
					strcpy(stu_name, p2->name);
					p2->one = p1->one;
					p2->rank = p1->rank;
					strcpy(p2->name, p1->name);
					p1->one = txt;
					p1->rank = rank;
					strcpy(p1->name, stu_name);
				}
			}
		}
	}
	else if (bum == 4)//按学号降序
		{
			for (p1 = pHead->next; p1 != NULL; p1 = p1->next)
			{
				for (p2 = p1->next; p2 != NULL; p2 = p2->next)
				{
					if (p2->one.num > p1->one.num)
					{
						txt = p2->one;
						rank = p2->rank;
						strcpy(stu_name, p2->name);
						p2->one = p1->one;
						p2->rank = p1->rank;
						strcpy(p2->name, p1->name);
						p1->one = txt;
						p1->rank = rank;
						strcpy(p1->name, stu_name);
					}
				}
			}
		}
		else if(bum==5)
			return;
        else {
                printf("\n输入错误，请重新输入；");
                bum = sortMenu();
        }
	printList(pHead);
	printf("敲任意数回到主菜单");
getch();
}

void printList(Student *pHead)
{
	pHead = pHead->next;
	system("CLS");
	printf("\n\n  ┏━━━┳━━━━┳━━┳━━━┳━━━┳━━━┳━━━┳━━━┳━━━┳━━━┳━━┓");
	printf("\n  ┃ 学号 ┃ 姓 名  ┃性别┃语  文┃高  数┃英  语┃C 语言┃大  物┃平均分┃总  分┃名次┃\n");
	while (pHead)
	{
		printf("  ┣━━━╋━━━━╋━━╋━━━╋━━━╋━━━╋━━━╋━━━╋━━━╋━━━╋━━┫\n");
		printf("  ┃ %-5d┃ %-6s ┃  %c ┃%5.1f ┃%5.1f ┃%5.1f ┃%5.1f ┃%5.1f ┃%5.1f ┃%5.1f ┃ %-3d┃\n", pHead->one.num,
			pHead->name, pHead->one.sex, pHead->one.chin_score, pHead->one.math_score,
			pHead->one.engl_score, pHead->one.chem_score
			, pHead->one.phy_score, pHead->one.aver_score, pHead->one.sum_score, pHead->rank);
		pHead = pHead->next;
	}
		printf("  ┗━━━┻━━━━┻━━┻━━━┻━━━┻━━━┻━━━┻━━━┻━━━┻━━━┻━━┛\n");
	getch();
}

int userChioce(Student *pHead)
{
	int bum;

	system("title 学生成绩统计系统-主菜单");//将标题栏命名为“学生成绩统计系统”
	menu();
	printf("请按键选择: ");
	bum = (int)(getch() - '0');
	switch (bum)
	{
	case 1:
		addStudentInfo(pHead);
		break;
	case 2:
		delStudentInfo(pHead);
		break;
	case 3:
		alterStudentInfo(pHead);
		break;
	case 4:
		findStudentInfo(pHead);
		break;
	case 5:
		statisStudentInfo(pHead);
		break;
	case 9:
		break;
	case 6:
		sortList(pHead);
		break;
	default:
		break;
	}

	return bum;
}
int sortMenu(void)
{
	int bum;

	system("CLS");
	printf("\n\n\n");
	printf("\t\t┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓\n");
	printf("\t\t┃                       以什么方式排序 ？                  ┃\n");
	printf("\t\t┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫\n");
	printf("\t\t┃                    1   按成绩升序                        ┃\n");
	printf("\t\t┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫\n");
	printf("\t\t┃                    2   按学号升序                        ┃\n");
	printf("\t\t┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫\n");
	printf("\t\t┃                    3   按成绩降序                        ┃\n");
	printf("\t\t┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫\n");
	printf("\t\t┃                    4   按学号降序                        ┃\n");
	printf("\t\t┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫\n");
	printf("\t\t┃                    5   返回主菜单                        ┃\n");
	printf("\t\t┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛\n");
	printf("请按键选择：");
	bum = (int)(getch() - '0');
	system("CLS");

	return bum;
}
void addStudentInfo(Student *pHead)
{
	FILE *fp;
	Student *p1, *p2, *p3 = pHead;
	StudentDate txt;
	int judge = YES, rank = 0;
	char bum, stu_name[20];

	system("title 学生成绩统计系统-添加");//将标题栏命名为“学生成绩统计系统”
	fp = fopen("stud.txt", "a");
	while (pHead->next)
	{
		pHead = pHead->next;
	}
	while (judge)
	{


		p1 = (List)malloc(sizeof(Student));
		inputData(p3,p1);
		p1->next = NULL;
		pHead->next = p1;
		pHead = p1;
		fprintf(fp, "%d %s %c %.1f %.1f %.1f %.1f %.1f\n", p1->one.num, p1->name, p1->one.sex, p1->one.chin_score,
			p1->one.math_score, p1->one.engl_score, p1->one.chem_score, p1->one.phy_score);
		printf("是否继续添加？(Y/N)");
		bum = getch();
		if (bum == 'n' || bum == 'N')
		{
			break;
		}

	}
	//并交换排名
	for (p1 = p3->next; p1 != NULL; p1 = p1->next)
	{
		for (p2 = p1->next; p2 != NULL; p2 = p2->next)
		{
			if (p2->one.aver_score > p1->one.aver_score)
			{
				txt = p2->one;
				strcpy(stu_name, p2->name);
				p2->one = p1->one;
				strcpy(p2->name, p1->name);
				p1->one = txt;
				strcpy(p1->name, stu_name);
			}
		}
		p1->rank = ++rank;
	}
	fclose(fp);
	printf("\n敲任意数回到主菜单");
getch();
}

int scanMenu(void)
{
	int bum;

	system("CLS");
	printf("\n\n\n");
	printf("\t\t┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓\n");
	printf("\t\t┃                       以什么方式？                       ┃\n");
	printf("\t\t┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫\n");
	printf("\t\t┃                    1   按学生的学号                      ┃\n");
	printf("\t\t┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫\n");
	printf("\t\t┃                    2   按学生的姓名                      ┃\n");
	printf("\t\t┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫\n");
	printf("\t\t┃                    3   按学生的名次                      ┃\n");
	printf("\t\t┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫\n");
	printf("\t\t┃                    4   返回主菜单                        ┃\n");
	printf("\t\t┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛\n");
	printf("请按键选择：");
	bum = (int)(getch() - '0');
	system("CLS");

	return bum;
}
int adMenu(void)
{
	int bum;

	system("CLS");
	printf("\n\n\n");
	printf("\t\t┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓\n");
	printf("\t\t┃                       以什么方式？                       ┃\n");
	printf("\t\t┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫\n");
	printf("\t\t┃                    1   按学生的学号                      ┃\n");
	printf("\t\t┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫\n");
	printf("\t\t┃                    2   按学生的姓名                      ┃\n");
	printf("\t\t┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫\n");
	printf("\t\t┃                    3   返回主菜单                        ┃\n");
	printf("\t\t┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛\n");
	printf("请按键选择：");
	bum = (int)(getch() - '0');
	system("CLS");

	return bum;
}

void findStudentInfo(Student *pHead)
{
	int bum, count = 0;
	int num;
	char student_name[20];
    int student_rank;
	pHead = pHead->next;
	system("title 学生成绩统计系统-查找");//将标题栏命名为“学生成绩统计系统”
	bum = scanMenu();
	if (bum == 1)
	{
		printf("请输入学生的学号：");
		scanf("%d", &num);
		while (pHead)
		{
			if (pHead->one.num == num)
			{
				if (count == 0)
				{
					printf("\n\t\t\t已经查到！\n");
					printf("\n\n\n\n  ┏━━━┳━━━━┳━━┳━━━┳━━━┳━━━┳━━━┳━━━┳━━━┳━━━┳━━┓");
					printf("\n  ┃ 学号 ┃ 姓 名  ┃性别┃语  文┃高  数┃英  语┃C 语言┃大  物┃平均分┃总  分┃名次┃\n");
					count = 1;
				}
				printf("  ┣━━━╋━━━━╋━━╋━━━╋━━━╋━━━╋━━━╋━━━╋━━━╋━━━╋━━┫\n");
				printf("  ┃ %-5d┃ %-6s ┃  %c ┃%5.1f ┃%5.1f ┃%5.1f ┃%5.1f ┃%5.1f ┃%5.1f ┃%5.1f ┃ %-3d┃\n", pHead->one.num,
					pHead->name, pHead->one.sex, pHead->one.chin_score, pHead->one.math_score,
					pHead->one.engl_score, pHead->one.chem_score
					, pHead->one.phy_score, pHead->one.aver_score, pHead->one.sum_score, pHead->rank);
				break;
			}
			pHead = pHead->next;
		}
		if (pHead == NULL)
		{
			printf("\n\t\t\t没有该学生记录！\n");
		}
		else
		{
			printf("  ┗━━━┻━━━━┻━━┻━━━┻━━━┻━━━┻━━━┻━━━┻━━━┻━━━┻━━┛\n");
		}
	}
		if (bum == 2)
		{
			printf("请输入学生姓名：");
			scanf("%s", student_name);
			while (pHead)
			{
				if (strcmp(student_name, pHead->name) == 0)
				{
					if (count == 0)
					{
						printf("\n\t\t\t已经查到！\n");
						printf("\n\n\n\n  ┏━━━┳━━━━┳━━┳━━━┳━━━┳━━━┳━━━┳━━━┳━━━┳━━━┳━━┓");
						printf("\n  ┃ 学号 ┃ 姓 名  ┃性别┃语  文┃高  数┃英  语┃C 语言┃大  物┃平均分┃总  分┃名次┃\n");
						count = 1;
					}
					printf("  ┣━━━╋━━━━╋━━╋━━━╋━━━╋━━━╋━━━╋━━━╋━━━╋━━━╋━━┫\n");
					printf("  ┃ %-5d┃ %-6s ┃  %c ┃%5.1f ┃%5.1f ┃%5.1f ┃%5.1f ┃%5.1f ┃%5.1f ┃%5.1f ┃ %-3d┃\n", pHead->one.num,
						pHead->name, pHead->one.sex, pHead->one.chin_score, pHead->one.math_score,
						pHead->one.engl_score, pHead->one.chem_score
						, pHead->one.phy_score, pHead->one.aver_score, pHead->one.sum_score, pHead->rank);
				}
				pHead = pHead->next;
			}
			if (count == 0)
			{
				printf("\n\t\t\t没有该学生记录！");
			}
			else
			{
				printf("  ┗━━━┻━━━━┻━━┻━━━┻━━━┻━━━┻━━━┻━━━┻━━━┻━━━┻━━┛\n");
			}
		}
			if (bum == 3)
			{
				printf("请输入学生名次：");
			scanf("%d",&student_rank);
			while (pHead)
			{
				if (student_rank == pHead->rank)
				{
					if (count == 0)
					{
						printf("\n\t\t\t已经查到！\n");
						printf("\n\n\n\n  ┏━━━┳━━━━┳━━┳━━━┳━━━┳━━━┳━━━┳━━━┳━━━┳━━━┳━━┓");
						printf("\n  ┃ 学号 ┃ 姓 名  ┃性别┃语  文┃高  数┃英  语┃C 语言┃大  物┃平均分┃总  分┃名次┃\n");
						count = 1;
					}
					printf("  ┣━━━╋━━━━╋━━╋━━━╋━━━╋━━━╋━━━╋━━━╋━━━╋━━━╋━━┫\n");
					printf("  ┃ %-5d┃ %-6s ┃  %c ┃%5.1f ┃%5.1f ┃%5.1f ┃%5.1f ┃%5.1f ┃%5.1f ┃%5.1f ┃ %-3d┃\n", pHead->one.num,
						pHead->name, pHead->one.sex, pHead->one.chin_score, pHead->one.math_score,
						pHead->one.engl_score, pHead->one.chem_score
						, pHead->one.phy_score, pHead->one.aver_score, pHead->one.sum_score, pHead->rank);
				}
				pHead = pHead->next;
			}
			if (count == 0)
			{
				printf("\n\t\t\t没有该学生记录！");
			}
			else
			{
				printf("  ┗━━━┻━━━━┻━━┻━━━┻━━━┻━━━┻━━━┻━━━┻━━━┻━━━┻━━┛\n");
			}
		}
            if (bum == 4)
            {
                return;
            }
	printf("\n敲任意数回到主菜单");
	getch();
	}
void delStudentInfo(Student *pHead)
{
	Student *p1, *p2 = pHead;
	int bum;
	int num;
	char student_name[20], c;

	system("title 学生成绩统计系统-删除");//将标题栏命名为“学生成绩统计系统”
	bum = adMenu();
	if (bum == 1)
	{
		p1 = pHead->next;
		printf("\n\t\t\t请输入要删除学生的学号：");
		scanf("%d", &num);
		while (p1)
		{
			if (p1->one.num == num)
			{
				printf("\n\t\t\t删除成功，删除的学生学号为：%d", num);
				if (p1->next == NULL)
				{
					pHead->next = NULL;
					break;
				}
				else
				{
					pHead->next = p1->next;
					free(p1);
					p1 = pHead->next;
				}
			}
			else if(p1->one.num != num)
			{
				pHead = pHead->next;
				p1 = pHead->next;
				printf("\n\t\t\t没有该学生信息！");
			}
		saveList(p2);
		}
	}
	else if (bum == 2)
		{
			p1 = pHead->next;
			printf("\n\t\t\t请输入要删除的学生姓名：");
			scanf("%s", student_name);
					while (p1)
					{
						if (strcmp(p1->name, student_name) == 0)
						{
							printf("\n\t\t\t删除成功，姓名为: %s", student_name);
							if (p1->next == NULL)
							{
								pHead->next = NULL;
								break;
							}
							else
							{
								pHead->next = p1->next;
								free(p1);
								p1 = pHead->next;
							}
						}
						else if(strcmp(p1->name, student_name) != 0)
						{
							pHead = pHead->next;
							p1 = pHead->next;
							printf("\n\t\t\t没有该学生信息！");
						}
					saveList(p2);
					}
        }
    else if (bum == 3)
			{
				return;
			}
	printf("\n敲任意数回到主菜单");
getch();
	}
void saveList(Student *pHead)
{
	FILE *fp;

	fp = fopen("stud.txt", "w+");
	pHead = pHead->next;
	while (pHead)
	{
		fprintf(fp, "%d %s %c %.1f %.1f %.1f %.1f %.1f\n", pHead->one.num, pHead->name, pHead->one.sex, pHead->one.chin_score,
			pHead->one.math_score, pHead->one.engl_score, pHead->one.chem_score, pHead->one.phy_score);
		pHead = pHead->next;
	}
	fclose(fp);
}

void alterStudentInfo(Student *pHead)
{
	int bum, count = 0, j = 0;
	int num;
	char student_name[20];
	Student *p1 = pHead->next;

	system("title 学生成绩统计系统-修改");//将标题栏命名为“学生成绩统计系统”
	bum = adMenu();
	if (bum == 1)
	{
		printf("\n\t\t\t请输入要修改学生的学号：");
		scanf("%d", &num);
		while (p1)
		{
			j++;
			if (p1->one.num == num)
			{
				inputData(pHead,p1);
				break;
			}
			p1 = p1->next;
		}
		if (p1 == NULL)
		{
			getch();
			printf("没有该学生信息！");
		}
	}
	else
	{
		if (bum == 2)
		{
			printf("\n\t\t\t请输入要修改学生的姓名：");
			scanf("%s", student_name);
			while (p1)
			{
				j++;
				if (strcmp(p1->name, student_name) == 0)
				{
					inputData(pHead,p1);
					count = 1;
				}
				p1 = p1->next;
			}
			if (count == 0)
			{
				printf("\n\t\t\t没有该学生信息！");
				getch();
			}
		}
		else
		{
			if (3 == bum)
			{
				return;
			}
			else
			{
				alterStudentInfo(pHead);
			}
		}
	}
	saveList(pHead);
	printf("\n敲任意数回到主菜单");
getch();
}

void statisStudentInfo(Student *pHead)
{
	double aver_score[5] = {0,0,0,0,0};
	Student *p1 = pHead->next;
	int count = 0;
	int bum;
	system("title 学生成绩统计系统-查看");//将标题栏命名为“学生成绩统计系统”
	bum = statisMenu();
	if (bum == 1)
	{
		while (p1)
		{
			aver_score[0] = aver_score[0] + p1->one.chin_score;
			aver_score[1] = aver_score[1] + p1->one.math_score;
			aver_score[2] = aver_score[2] + p1->one.engl_score;
			aver_score[3] = aver_score[3] + p1->one.chem_score;
			aver_score[4] = aver_score[4] + p1->one.phy_score;
			p1 = p1->next;
			count++;
		}
		aver_score[0] = aver_score[0] / count;
		aver_score[1] = aver_score[1] / count;
		aver_score[2] = aver_score[2] / count;
		aver_score[3] = aver_score[3] / count;
		aver_score[4] = aver_score[4] / count;
		p1 = pHead->next;
		printf("\n\n  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓\n");
		printf("  ┃ 学号 ┃ 姓 名  ┃性别┃语  文┃高  数┃英  语┃C 语言┃大  物┃平均分┃总  分┃名次┃\n");
		printf("  ┣━━━╋━━━━╋━━╋━━━╋━━━╋━━━╋━━━╋━━━╋━━━╋━━━╋━━┫\n");
		while (p1)
		{
					printf("  ┃ %-5d┃ %-6s ┃  %c ┃%5.1f ┃%5.1f ┃%5.1f ┃%5.1f ┃%5.1f ┃%5.1f ┃%5.1f ┃ %-3d┃\n", p1->one.num,
						p1->name, p1->one.sex, p1->one.chin_score, p1->one.math_score,
						p1->one.engl_score, p1->one.chem_score
						, p1->one.phy_score, p1->one.aver_score, p1->one.sum_score, p1->rank);
			p1 = p1->next;
		}
		printf("  ┗━━━┻━━━━┻━━┻━━━┻━━━┻━━━┻━━━┻━━━┻━━━┻━━━┻━━┛\n");
	}
	else
		{
			if (bum == 2)
			{
				return;
			}
		}
printf("\n敲任意数回到主菜单");
getch();
}
int statisMenu(void)
{
	int bum;

	system("CLS");
	printf("\n\n\n");
	printf("\t\t┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓\n");
	printf("\t\t┃                      1   显示学生成绩                    ┃\n");
	printf("\t\t┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫\n");
	printf("\t\t┃                      2   返回主菜单                      ┃\n");
	printf("\t\t┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛\n");
	printf("请按键选择：");
	bum = (int)(getch() - '0');
	system("CLS");

	return bum;
}

void inputData(Student *pHead,Student *node)
{
	Student *p1 = node,*p2,*p3 = pHead;
	system("CLS");
	printf("\t注意:姓名不能有空格，性别男用m表示，女用w表示，\n\t各科成绩应该大于0小于100，输入数据时请用空格隔开\n");
	printf("\n\n\t请依次输入学生的学号、姓名、性别、语文、高数、英语、C语言、大物成绩\n");
	scanf("%d%s %c%f%f%f%f%f", &p1->one.num, p1->name, &p1->one.sex, &p1->one.chin_score, &p1->one.math_score,&p1->one.engl_score, &p1->one.chem_score, &p1->one.phy_score);
	p2 = p3->next;
	while (1)
	{
		if (p1->one.sex != 'w'&& p1->one.sex != 'm')
		{
			p1->one.sex = getchar();
			printf("性别输入不合法，请重新输入: ");
			p1->one.sex = getchar();

		}
		else
		{
			break;
		}
	}
while (1)
	{
		if (p2 == NULL)
		{
			break;
		}
		if (p2->one.num == p1->one.num && p2 != node)
		{
			printf("该学号已存在，请重新输入学号:");
			scanf("%d", &p1->one.num);
			p2 = p3->next;
		}
		else
		{
			p2 = p2->next;
		}
	}
	p1->one.sum_score = (double)(p1->one.chin_score + p1->one.chin_score + p1->one.engl_score +p1->one.chem_score + p1->one.phy_score);
	p1->one.aver_score = p1->one.sum_score / 5;
}