宿舍管理系统链式结构.cpp

# include<stdio.h>
# include<string.h>
# include<stdlib.h>
# include<windows.h>
# define F "数据.txt" //文件路径
 
typedef struct Student
{
	int lh;			//宿舍楼号 
    int roomnum;	//房间号 
    int bednum;		//床位号 
    int num;		//学号 
    char name[20];	//姓名 
    char xy[100];	//学院 
    char bj[15];	//班级 
    char sex[10];	//性别 
    struct Student *next;
}Stu;
 
//登录界面 
void login()		
{
   char userName[5];
   char password[5];
   int i,sum;
   system("color 3F");
   printf("\n\n   ---------------------------------欢迎使用---------------------------------\n");
   for(i=1;i<4;i++)
   {
        printf("\n       请输入您的用户名:");
        gets(userName);
        printf("\n       请输入您的密码:");
        gets(password);
        if ((strcmp(userName,"001")==0) && (strcmp(password,"123")==0))/*验证用户名和密码*/
        {
        	
            printf("\n   ---------------------------------登陆成功---------------------------------");
            Sleep(500);
            return;
        }
        else
        {
            if(i<3)
            {
                printf("\n     用户名或密码错误，请重新输入!\n");
            }
            else
            {
                printf("\n     您已连续3次将用户名或密码输错，系统将退出!");
                exit(0);
            }
        }
   }
}
 
//菜单选项 
int menu_select()
{      
 	int a;
    do{
        system("cls");
        printf("\n\n\t\t----------------------学生宿舍管理系统----------------------\n\n");
        printf("\t\t☆☆ 1. 添加学生信息                        ☆☆\n\n");
        printf("\t\t☆☆ 2. 显示学生信息                        ☆☆\n\n");
        printf("\t\t☆☆ 3. 按信息排序并显示                    ☆☆\n\n");
        printf("\t\t☆☆ 4. 插入学生信息                        ☆☆\n\n");
        printf("\t\t☆☆ 5. 查找学生信息                        ☆☆\n\n");
        printf("\t\t☆☆ 6. 修改学生信息                        ☆☆\n\n");
        printf("\t\t☆☆ 7. 删除学生信息                        ☆☆\n\n");
        printf("\t\t☆☆ 8. 将信息写入文件                      ☆☆\n\n");
        printf("\t\t☆☆ 9. 读取文件中的信息                    ☆☆\n\n");
		printf("\t\t☆☆ 0. 退出系统                            ☆☆\n\n");
        printf("\t\t------------------------------------------------------------\n");
        printf("\t请选择您要运行的选项按(0-9):");
        scanf("%d",&a);
    }while(a<0||a>9);
    return a;
}
 
//添加学生信息 
Student *input(int n)                  
{
	int i;
	Stu *head,*l,*r;
	if(n<=0)
	{
		return NULL;
	}
	l=(Stu *)malloc(sizeof(Stu));
	printf("\t\t宿舍楼号:");
	scanf("%d",&l->lh);
	printf("\t\t房间号:");                
	scanf("%d",&l->roomnum);
	printf("\t\t床位号:");
	scanf("%d",&l->bednum);
	printf("\t\t学院:");
	scanf("%s",&l->xy);
	printf("\t\t班级:");
	scanf("%s",&l->bj);
	printf("\t\t学号:");
	scanf("%d",&l->num);
	printf("\t\t姓名:");
	scanf("%s",&l->name);
	printf("\t\t性别:");
	scanf("%s",&l->sex);
	printf("\n");
	head=l;
	for(i=1;i<n;i++)
	{
		r=(Stu *)malloc(sizeof(Stu));
		printf("\t\t宿舍楼号:");
	    scanf("%d",&r->lh);
	    printf("\t\t房间号:");                
	    scanf("%d",&r->roomnum);
	    printf("\t\t床位号:");
	    scanf("%d",&r->bednum);
	    printf("\t\t学院:");
	    scanf("%s",&r->xy);
	    printf("\t\t班级:");
	    scanf("%s",&r->bj);
	    printf("\t\t学号:");
	    scanf("%d",&r->num);
	    printf("\t\t姓名:");
	    scanf("%s",&r->name);
	    printf("\t\t性别:");
	    scanf("%s",&r->sex);
	    printf("\n");
	    l->next=r;
	    l=r;
	    if(i==n-1)
		{
			l->next=NULL;	
		}
	}
	return head;
}
 
//输出学生信息
void output(Stu *head)
{
	printf(" -------------------------------------------------------------------------------");
	printf("-------------------------------------------------------------------------------\n");
	printf(" 宿舍楼号          房间号               床位号                学院                     ");
	printf("班级                学号                 姓名                  性别\n");
	printf(" -------------------------------------------------------------------------------");
	printf("-------------------------------------------------------------------------------\n");
	Stu *p;
	p=head;
	if(head==NULL)
	{
		printf("\n\t\t\t学生信息为空！\n");
	}
	else
	{
		do
		{
			printf("%3d%20d%20d%30s%20s%20d%20s%20s\n",p->lh,p->roomnum,p->bednum,p->xy,p->bj,p->num,p->name,p->sex);
			p=p->next;
		}while(p!=NULL);
	} 
}
 
//排序菜单 
int sort_menu()
{
	int a;
    do{
    	system("cls");
		printf("\n\n\t\t------------------------------------------------------------\n\n"); 
        printf("\t\t\t1. 按照宿舍楼号排序\n\n");
        printf("\t\t\t2. 按照房间号排序\n\n");
        printf("\t\t\t3. 按照床位号排序\n\n");
        printf("\t\t\t4. 按照学号排序\n\n");
        printf("\t\t\t0. 返回到主菜单\n\n");
        printf("\t\t------------------------------------------------------------\n");
        printf("\t\t请选择您要运行的选项按(0-4):");
        scanf("%d",&a);
    }while(a<0||a>8);
    return a;
}
//排序选择菜单 
int sort_select(Stu *head,int n)
{
	Stu *p,*q;
	int lh;
	int roomnum;
	int bednum;
	int num; 
	char name[20];
	char xy[100];
	char bj[15];
	char sex[10];
    switch(n)
	{
		case 1:      //按楼号排序 
			system("cls");
			for(p=head;p!=NULL;p=p->next)
			{
			    for(q=p->next;q!=NULL;q=q->next)
			    {
			        if(p->lh>q->lh)
			        {
			        	lh=q->lh;
			            roomnum=q->roomnum;
			            bednum=q->bednum;
			            strcpy(xy,q->xy);
			            strcpy(bj,q->bj);
			            num=q->num;
			            strcpy(name,q->name);
			            strcpy(sex,q->sex);
			            
		                q->lh=p->lh;
		                q->roomnum=p->roomnum;
			            q->bednum=p->bednum;
			            strcpy(q->xy,p->xy);
			            strcpy(q->bj,p->bj);
			            q->num=p->num;
			            strcpy(q->name,p->name);
			            strcpy(q->sex,p->sex);
			            
		                p->lh=lh;
		                p->roomnum=roomnum;
		                p->bednum=bednum;
		                strcpy(p->xy,xy);
		                strcpy(p->bj,bj);
		                p->num=num;
		                strcpy(p->name,name);
		                strcpy(p->sex,sex);
					}
			    }
			}
		    output(head);
	        system("pause");
	        return 1;
	    case 2:					//按房号排序 
	    	system("cls");   
			for(p=head;p!=NULL;p=p->next)
			{
			    for(q=p->next;q!=NULL;q=q->next)
			    {
			        if(p->roomnum>q->roomnum)
			        {
			            lh=q->lh;
			            roomnum=q->roomnum;
			            bednum=q->bednum;
			            strcpy(xy,q->xy);
			            strcpy(bj,q->bj);
			            num=q->num;
			            strcpy(name,q->name);
			            strcpy(sex,q->sex);
			            
		                q->lh=p->lh;
		                q->roomnum=p->roomnum;
			            q->bednum=p->bednum;
			            strcpy(q->xy,p->xy);
			            strcpy(q->bj,p->bj);
			            q->num=p->num;
			            strcpy(q->name,p->name);
			            strcpy(q->sex,p->sex);
			            
		                p->lh=lh;
		                p->roomnum=roomnum;
		                p->bednum=bednum;
		                strcpy(p->xy,xy);
		                strcpy(p->bj,bj);
		                p->num=num;
		                strcpy(p->name,name);
		                strcpy(p->sex,sex);
					}
			    }
			}
		    output(head);
	        system("pause");
	        return 1;
	    case 3:					//按床号排序 
	    	system("cls");		    
			for(p=head;p!=NULL;p=p->next)
			{
			    for(q=p->next;q!=NULL;q=q->next)
			    {
			        if(p->bednum>q->bednum)
			        {
			            lh=q->lh;
			            roomnum=q->roomnum;
			            bednum=q->bednum;
			            strcpy(xy,q->xy);
			            strcpy(bj,q->bj);
			            num=q->num;
			            strcpy(name,q->name);
			            strcpy(sex,q->sex);
			            
		                q->lh=p->lh;
		                q->roomnum=p->roomnum;
			            q->bednum=p->bednum;
			            strcpy(q->xy,p->xy);
			            strcpy(q->bj,p->bj);
			            q->num=p->num;
			            strcpy(q->name,p->name);
			            strcpy(q->sex,p->sex);
			            
		                p->lh=lh;
		                p->roomnum=roomnum;
		                p->bednum=bednum;
		                strcpy(p->xy,xy);
		                strcpy(p->bj,bj);
		                p->num=num;
		                strcpy(p->name,name);
		                strcpy(p->sex,sex);
					}
			    }
			}
		    output(head);
	    	system("pause");
	    	return 1;
	    case 4:						//按学号排序 
	    	system("cls");    
			for(p=head;p!=NULL;p=p->next)
			{
			    for(q=p->next;q!=NULL;q=q->next)
			    {
			        if(p->num>q->num)
			        {
			            lh=q->lh;
			            roomnum=q->roomnum;
			            bednum=q->bednum;
			            strcpy(xy,q->xy);
			            strcpy(bj,q->bj);
			            num=q->num;
			            strcpy(name,q->name);
			            strcpy(sex,q->sex);
			            
		                q->lh=p->lh;
		                q->roomnum=p->roomnum;
			            q->bednum=p->bednum;
			            strcpy(q->xy,p->xy);
			            strcpy(q->bj,p->bj);
			            q->num=p->num;
			            strcpy(q->name,p->name);
			            strcpy(q->sex,p->sex);
			            
		                p->lh=lh;
		                p->roomnum=roomnum;
		                p->bednum=bednum;
		                strcpy(p->xy,xy);
		                strcpy(p->bj,bj);
		                p->num=num;
		                strcpy(p->name,name);
		                strcpy(p->sex,sex);
					}
			    }
			}
		    output(head);
	    	system("pause");
			return 1;
	    case 0:
	    	system("pause");
	    	return 0;
	}
}
 
//插入学生信息
void insert(Stu *head)
{
    Stu *p,*pnew;
    int m;
	pnew=(Stu *)malloc(sizeof(Stu));
    printf("\t\t宿舍楼号:");
	scanf("%d",&pnew->lh);
	printf("\t\t房间号:");                
	scanf("%d",&pnew->roomnum);
	printf("\t\t床位号:");
	scanf("%d",&pnew->bednum);
	printf("\t\t学院:");
	scanf("%s",&pnew->xy);
	printf("\t\t班级:");
	scanf("%s",&pnew->bj);
	printf("\t\t学号:");
	scanf("%d",&pnew->num);
	printf("\t\t姓名:");
	scanf("%s",&pnew->name);
	printf("\t\t性别:");
	scanf("%s",&pnew->sex);
	printf("\n");
    printf("\t\t\t请输入想要插到的位置：");
	scanf("%d",&m);
	p=head;
	for(int j=1;j<m&&p!=NULL;j++)
	{
	    p=p->next;
	}
	pnew->next=p->next;
	p->next=pnew;
}
 
//查找菜单 
int find_menu()
{
	int a;
    do{
    	system("cls");
		printf("\n\n\t\t------------------------------------------------------------\n\n"); 
        printf("\t\t\t1. 按照宿舍楼号查找\n\n");
        printf("\t\t\t2. 按照房间号查找\n\n");
        printf("\t\t\t3. 按照床位号查找\n\n");
        printf("\t\t\t4. 按照学院查找\n\n");
        printf("\t\t\t5. 按照班级查找\n\n");
        printf("\t\t\t6. 按照学号查找\n\n");
        printf("\t\t\t7. 按照姓名查找\n\n");
        printf("\t\t\t8. 按照性别查找\n\n");
        printf("\t\t\t0. 返回到主菜单\n\n");
        printf("\t\t------------------------------------------------------------\n");
        printf("\t\t请选择您要运行的选项按(1-8):");
        scanf("%d",&a);
    }while(a<0||a>8);
    return a;
}
//查找选择菜单 
int find_select(Stu *head,int n)
{
	Stu *p;
    switch(n)
	{
		case 1:
			system("cls");
			p=head;
			int a;
			printf("\n\t\t\t要查找的宿舍楼号为：");
			scanf("%d",&a);
			printf(" -------------------------------------------------------------------------------");
			printf("-------------------------------------------------------------------------------\n");
			printf(" 宿舍楼号          房间号               床位号                学院                     ");
			printf("班级                学号                 姓名                  性别\n");
			printf(" -------------------------------------------------------------------------------");
			printf("-------------------------------------------------------------------------------\n");
			while(p!=NULL)
			{
				if(p->lh==a)
					printf("%3d%20d%20d%30s%20s%20d%20s%20s\n",p->lh,p->roomnum,p->bednum,p->xy,p->bj,p->num,p->name,p->sex);			
				p=p->next;
			}
	        system("pause");
	        return 1;
	    case 2:
	    	system("cls");
			p=head;
			int b;
			printf("\n\t\t\t要查找的房间号为：");
			scanf("%d",&b);
			printf(" -------------------------------------------------------------------------------");
			printf("-------------------------------------------------------------------------------\n");
			printf(" 宿舍楼号          房间号               床位号                学院                     ");
			printf("班级                学号                 姓名                  性别\n");
			printf(" -------------------------------------------------------------------------------");
			printf("-------------------------------------------------------------------------------\n");
			while(p!=NULL)
			{
				if(p->roomnum==b)
					printf("%3d%20d%20d%30s%20s%20d%20s%20s\n",p->lh,p->roomnum,p->bednum,p->xy,p->bj,p->num,p->name,p->sex);			
				p=p->next;
			}
	        system("pause");
	        return 1;
	    case 3:
	    	system("cls");
			p=head;
			int c;
			printf("\n\t\t\t要查找的床位号为：");
			scanf("%d",&c);
			printf(" -------------------------------------------------------------------------------");
			printf("-------------------------------------------------------------------------------\n");
			printf(" 宿舍楼号          房间号               床位号                学院                     ");
			printf("班级                学号                 姓名                  性别\n");
			printf(" -------------------------------------------------------------------------------");
			printf("-------------------------------------------------------------------------------\n");
			while(p!=NULL)
			{
				if(p->bednum==c)
					printf("%3d%20d%20d%30s%20s%20d%20s%20s\n",p->lh,p->roomnum,p->bednum,p->xy,p->bj,p->num,p->name,p->sex);			
				p=p->next;
			}
	    	system("pause");
	    	return 1;
	    case 4:
	    	system("cls");
			p=head;
			char d[100];
			printf("\n\t\t\t要查找的学院为：");
			scanf("%s",&d);
			printf(" -------------------------------------------------------------------------------");
			printf("-------------------------------------------------------------------------------\n");
			printf(" 宿舍楼号          房间号               床位号                学院                     ");
			printf("班级                学号                 姓名                  性别\n");
			printf(" -------------------------------------------------------------------------------");
			printf("-------------------------------------------------------------------------------\n");
			while(p!=NULL)
			{
				if(strcmp(p->xy,d)==0)
					printf("%3d%20d%20d%30s%20s%20d%20s%20s\n",p->lh,p->roomnum,p->bednum,p->xy,p->bj,p->num,p->name,p->sex);			
				p=p->next;
			}
	    	system("pause");
			return 1;
		case 5:
			system("cls");
			p=head;
			char e[15];
			printf("\n\t\t\t要查找的班级为：");
			scanf("%s",&e);
			printf(" -------------------------------------------------------------------------------");
			printf("-------------------------------------------------------------------------------\n");
			printf(" 宿舍楼号          房间号               床位号                学院                     ");
			printf("班级                学号                 姓名                  性别\n");
			printf(" -------------------------------------------------------------------------------");
			printf("-------------------------------------------------------------------------------\n");
			while(p!=NULL)
			{
				if(strcmp(p->bj,e)==0)
					printf("%3d%20d%20d%30s%20s%20d%20s%20s\n",p->lh,p->roomnum,p->bednum,p->xy,p->bj,p->num,p->name,p->sex);			
				p=p->next;
			}
			system("pause");
			return 1;
		case 6:
			system("cls");
			p=head;
			int f;
			printf("\n\t\t\t要查找的学号为：");
			scanf("%d",&f);
			printf(" -------------------------------------------------------------------------------");
			printf("-------------------------------------------------------------------------------\n");
			printf(" 宿舍楼号          房间号               床位号                学院                     ");
			printf("班级                学号                 姓名                  性别\n");
			printf(" -------------------------------------------------------------------------------");
			printf("-------------------------------------------------------------------------------\n");
			while(p!=NULL)
			{
				if(p->num==f)
					printf("%3d%20d%20d%30s%20s%20d%20s%20s\n",p->lh,p->roomnum,p->bednum,p->xy,p->bj,p->num,p->name,p->sex);			
				p=p->next;
			}
			system("pause");
			return 1;
		case 7:
			system("cls");
			p=head;
			char g[20];
			printf("\n\t\t\t要查找的姓名为：");
			scanf("%s",&g);
			printf(" -------------------------------------------------------------------------------");
			printf("-------------------------------------------------------------------------------\n");
			printf(" 宿舍楼号          房间号               床位号                学院                     ");
			printf("班级                学号                 姓名                  性别\n");
			printf(" -------------------------------------------------------------------------------");
			printf("-------------------------------------------------------------------------------\n");
			while(p!=NULL)
			{
				if(strcmp(p->name,g)==0)
					printf("%3d%20d%20d%30s%20s%20d%20s%20s\n",p->lh,p->roomnum,p->bednum,p->xy,p->bj,p->num,p->name,p->sex);			
				p=p->next;
			}
			system("pause");
			return 1;
		case 8:
			system("cls");
			p=head;
			char h[10];
			printf("\n\t\t\t要查找的性别为：");
			scanf("%s",&h);
			printf(" -------------------------------------------------------------------------------");
			printf("-------------------------------------------------------------------------------\n");
			printf(" 宿舍楼号          房间号               床位号                学院                     ");
			printf("班级                学号                 姓名                  性别\n");
			printf(" -------------------------------------------------------------------------------");
			printf("-------------------------------------------------------------------------------\n");
			while(p!=NULL)
			{
				if(strcmp(p->sex,h)==0)
					printf("%3d%20d%20d%30s%20s%20d%20s%20s\n",p->lh,p->roomnum,p->bednum,p->xy,p->bj,p->num,p->name,p->sex);
				p=p->next;			
			}
			system("pause");
			return 1;
	    case 0:
	    	system("pause");
	    	return 0;
	}
}
//修改学生信息 
void correct(Stu *head)
{
	int a;
	printf("\n\t\t\t请输入将要修改的学生的学号：");
	scanf("%d",&a);
	Stu *p;
    p=head;
	while(p!=NULL)
    {
    	if(a==p->num)
    	{
			printf("\t\t要修改的宿舍楼号:");
		    scanf("%d",&p->lh);
		    printf("\t\t要修改的房间号:");                
		    scanf("%d",&p->roomnum);
		    printf("\t\t要修改的床位号:");
		    scanf("%d",&p->bednum);
		    printf("\t\t要修改的学院:");
		    scanf("%s",&p->xy);
		    printf("\t\t要修改的班级:");
		    scanf("%s",&p->bj);
		    printf("\t\t要修改的学号:");
		    scanf("%d",&p->num);
		    printf("\t\t要修改的姓名:");
		    scanf("%s",&p->name);
		    printf("\t\t要修改的性别:");
		    scanf("%s",&p->sex);
		    printf("\n");
		}
        p=p->next;
    }
}
 
//删除学生信息
Student *del(Stu *head)
{
	int x,y; 
	printf("\n\t\t\t1.删除某个学生信息");
	printf("\n\t\t\t2.删除全部学生信息\n");
	printf("\n\t\t\t选择1或2：");
    scanf("%d",&x);
    if(x==1)
    {
    	printf("\n\t\t\t请输入将要删除学生的位置：");
    	scanf("%d",&y);
    	Stu *p,*q;
	    int i;
	    if(y-1==0)
	    {
			head=head->next;
		}
		else
		{
	    	p=head;
	    	for(i=1;i<y&&p->next!=NULL;i++)
			{
				p=p->next;
			}
			q=p->next;
			p->next=q->next;
		}
		printf("\n\t\t\t删除成功！\n");
		return head;
	}
	else if(x==2)
	{
		head=NULL;
		printf("\n\t\t\t删除成功！\n");
		return head;
	}
	else
	{
		printf("输入错误，返回主菜单！\n");
		return head;
	}
}
 
//写入文件 
void write_file(Stu *head)
{
	FILE *fp;
	if((fp=fopen(F,"at+"))==NULL)
	{
		printf("文件打开失败！\n");
	}
	Stu *p;
	p=head;
	while(p!=NULL)
	{
		fprintf(fp,"%d\t",p->lh);
		fprintf(fp,"%d\t",p->roomnum);
		fprintf(fp,"%d\t",p->bednum);
		fprintf(fp,"%s\t",p->xy);
		fprintf(fp,"%s\t",p->bj);
		fprintf(fp,"%d\t",p->num);
		fprintf(fp,"%s\t",p->name);
		fprintf(fp,"%s\n",p->sex);
		p=p->next;
	}
	// 刷新缓冲区，将缓冲区的内容写入文件 
    fflush(fp);
    fclose(fp);
}
 
//读取文件 
void read_file()
{
	printf(" -------------------------------------------------------------------------------");
	printf("-------------------------------------------------------------------------------\n");
	printf(" 宿舍楼号          房间号               床位号                学院                     ");
	printf("班级                学号                 姓名                  性别\n");
	printf(" -------------------------------------------------------------------------------");
	printf("-------------------------------------------------------------------------------\n");
	int lh;			//宿舍楼号 
    int roomnum;	//房间号 
    int bednum;		//床位号 
    int num;		//学号 
    char name[20];	//姓名 
    char xy[100];	//学院 
    char bj[15];	//班级 
    char sex[10];	//性别 
	FILE *fp;
	fp=fopen(F,"rt");
	while(fscanf(fp,"%d\t%d\t%d\t%s\t%s\t%d\t%s\t%s",&lh,&roomnum,&bednum,&xy,&bj,&num,&name,&sex)!=EOF)
	{ 
		printf("%3d%20d%20d%30s%20s%20d%20s%20s\n",lh,roomnum,bednum,xy,bj,num,name,sex);
	}
}
 
int main()          
{
	
	int n,m,x,y;
	login();
	Stu *head=NULL;
	Stu *pnew;
	for(;;)
	{
        switch(menu_select())
        {
            case 1:
            	system("cls");
            	printf("\n\n\t\t------------------------------------------------------------\n\n");
				printf("\t\t\t输入学生的个数：");
				scanf("%d",&n);
				if(n<=0)
				{
					printf("\n\t\t\t请输入正确的人数!");
					Sleep(500);
					break;
				}
				else
				{
					printf("\n\t\t\t输入学生数据\n\n");
	            	head=input(n);
	            	break;
				}
            case 2:
            	system("cls");
	            printf("\n\t\t\t\t\t\t\t\t显示学生数据\n");
	            output(head);
	            system("pause");
	            break; 
            case 3:
				do
				{
					x=sort_select(head,sort_menu());
				}while(x!=0);
                break;
            case 4:
                system("cls");
                printf("\n\n\t\t------------------------------------------------------------\n\n");
                printf("\t\t\t输入要插入的学生的信息\n");
				insert(head);
				printf("\n\t\t插入成功！\n");
				system("pause");
				break;               
            case 5:
            	system("cls");
				do
				{
					y=find_select(head,find_menu());
				}while(y!=0);
                break;
            case 6:
            	system("cls");
                printf("\n\n\t\t------------------------------------------------------------\n\n");
				correct(head);
				printf("\n\t\t\t修改成功！\n");
                system("pause");
                break;
			case 7:
				system("cls");
                printf("\n\n\t\t------------------------------------------------------------\n\n");
                head=del(head);
                system("pause");
                break;
			case 8:
				write_file(head);
				printf("\n\t\t\t写入成功！\n");
				system("pause");
				break;
			case 9:
				printf("\n\t\t\t读取成功！\n");
				read_file();
				system("pause");
				break;
            case 0:
                printf("\n\t\t\t谢谢使用\n");
                exit(0);
        }
	}
}