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#Tadso #include <windows.h> #include <stdio.h> #include<stdlib.h> #include <string.h>

struct book { char code[20]; char title[20]; char author[20]; int status; struct *next; };

typedef struct book Book;

void Addbook() {
char code[20]={'a'}; char title[20]={'a'}; char author[20]={'a'}; int status; FILE *fp; printf("请输入:\n"); printf("code title author status \n"); fp=fopen("d://book.txt","a"); if(fp==NULL)printf("book.txt cannot be opened"); scanf("%s %s %s %d",&code,&title,&author,&status); fprintf(fp,"%s %s %s %d ",code,title,author,status); fclose(fp); printf("添加成功"); Sleep(1000); }

void toxy(int x,int y) //移动光标 { HANDLE hout; COORD coord; coord.X=x; coord.Y=y; hout=GetStdHandle(STD_OUTPUT_HANDLE); SetConsoleCursorPosition(hout,coord); }

void fbook() { char n[1000]={'a'}; FILE *fp; system("cls"); fp=fopen("d://book.txt","r"); if(fp==NULL) { printf("book.txt cannot be opened"); } fscanf(fp,"%s",&n); fprintf(fp,"%s",n); fclose(fp); }

int *fun(void)//从文件读取书本信息并创建链表并返回头指针 { int i; char ch; char code[20]={'a'},title[20]={'a'},author[20]={'a'}; int status; Book *head=NULL; Book *q=NULL; Book *temp; FILE *fp; head = (Book *)malloc(sizeof(Book)); temp=head; fp=fopen("d://book.txt","r"); if(fp==NULL)printf("book.txt cannot be opened"); ch=fgetc(fp); while(ch!=EOF) { q = (Book *)malloc(sizeof(Book)); i=0; while(ch!=EOF&&ch!=' ') { code[i]=ch; ch=fgetc(fp); i++; } strcpy(q->code,code); memset(code,0,sizeof(code)); ch=fgetc(fp); i=0; while(ch!=EOF&&ch!=' ') { title[i]=ch; ch=fgetc(fp); i++; } strcpy(q->title,title); memset(title,0,sizeof(code)); ch=fgetc(fp); i=0; while(ch!=EOF&&ch!=' ') { author[i]=ch; ch=fgetc(fp); i++; } strcpy(q->author,author); memset(author,0,sizeof(code)); ch=fgetc(fp); q->status=ch; q->next=NULL; temp->next=q; temp=q; ch=fgetc(fp); ch=fgetc(fp); } fclose(fp); printf("链表构建完成\n"); return head; }

void rbook() { int n; char ** ch = (char **)malloc(20 * sizeof (char *)); int i=1; char author[20]; char book[20]; int count=0; Book *head; Book *p; Book *temp; head=fun(); temp=head; p=head->next; system("cls"); toxy(45,3); printf("所有图书信息\n"); head=fun(); toxy(30,5); printf("序号 书名 作者 数量 \n"); p=head->next; while(head->next!=NULL) { count=0; temp=head; p=head; p=p->next; strcpy(author,p->author); strcpy(book,p->title); while(p!=NULL) { if(strcmp(p->title,book)==0) { count++; temp->next=p->next; free(p); p=temp->next; } else { temp=temp->next; p=p->next; } } toxy(30,5+i); printf(" %d %7s %7s %4d\n",i,book,author,count); ch[i] = (char *)malloc(20 * sizeof (char)); strcpy(ch[i],book); i++; } system("pause"); printf("请输入要查看图书的序号\n"); scanf("%d",&n); head=fun(); p=head; p=p->next; while(p!=NULL) { if(strcmp(p->title,ch[n])==0) { printf("%s ",p->code); printf("%s ",p->title); printf("%s %c\n",p->author,p->status); } p=p->next; } system("pause"); }

void delbook() { char ch; int n; Book *head; Book *p; Book *temp; char book[20]; char code[20]; FILE *fp; head=fun(); p=head; temp=head; p=p->next; printf("请输入删除类型:\n"); printf("1:按照书名删除:"); printf("2:按照编号删除\n"); scanf("%d",&n); if(n==1) { printf("请输入书名:"); scanf("%s",&book); while(p!=NULL) { if(strcmp(p->title,book)==0) { printf("%s\n",p->title); temp->next=p->next; free(p); p=temp->next; } else { temp=temp->next; p=p->next; } } } if(n==2) { printf("请输入编号:"); scanf("%s",code); while(p!=NULL) { if(strcmp(p->code,code)==0) { temp->next=p->next; free(p); p=temp->next; } else { temp=temp->next; p=p->next; } } } p=head; p=p->next; while(p!=NULL) { printf("%s %s %s %c ",p->code,p->title,p->author,p->status); p=p->next; } system("pause"); fp=fopen("d://book.txt","w"); if(fp==NULL) printf("book.txt cannot be opened"); p=head; p=p->next; while(p!=NULL) { fprintf(fp,"%s %s %s %c ",p->code,p->title,p->author,p->status); p=p->next; } fclose(fp); }

void findbook() { int n; char book[20]; char code[20]; Book *head; Book *p; Book *temp; head=fun(); printf("1:按书名查找\n"); printf("2:按编号查找\n"); scanf("%d",&n); if(n==1) { printf("请输入要查询的书名:"); scanf("%s",&book); p=head; temp=head; p=p->next; while(p!=NULL) { if(strcmp(p->title,book)==0) { printf("%s ",p->code); printf("%s",p->title); printf(" %s %c\n",p->author,p->status); temp->next=p->next; free(p); p=temp->next; } else { p=p->next; temp=temp->next; } } system("pause"); } if(n==2) { printf("请输入要查询的编号:"); scanf("%s",&code); p=head; temp=head; p=p->next; while(p!=NULL) { if(strcmp(p->code,code)==0) { printf("%s %s %s %c\n",p->code,p->title,p->author,p->status); system("pause"); break; } else { p=p->next; temp=temp->next; } } }

}

void chagenapa() { char name[20]; char na[20]; char pass[20]; char pa[20]; char ch; FILE *fp; printf("请输入账号:"); scanf("%s",&name); printf("请输入密码:"); scanf("%s",&pass);

fp=fopen("d://NameAdmin.txt","r");
if(fp==NULL)
	printf("NameAdmin.txt cannot be opened");
fscanf(fp,"%s",&na);
fclose(fp);

fp=fopen("d://PassAdmin.txt","r");
if(fp==NULL)
	printf("NameAdmin.txt cannot be opened");
fscanf(fp,"%s",&pa);
fclose(fp);

if(strcmp(na,name)==0)
{
	if(strcmp(pass,pa)==0)
	{
		memset(name,0,sizeof(name));
		printf("请输入账号:");
    	scanf("%s",&name);
		memset(pass,0,sizeof(pass));
		printf("请输入密码:");
		scanf("%s",&pass);
		
		fp=fopen("d://NameAdmin.txt","w");
		if(fp==NULL)
			printf("NameAdmin.txt cannot be opened");
		fprintf(fp,"%s",&name);
		fclose(fp);

		fp=fopen("d://PassAdmin.txt","w");
		if(fp==NULL)
			printf("NameAdmin.txt cannot be opened");
		fprintf(fp,"%s",&pass);
		fclose(fp);

		printf("修改密码成功");
		Sleep(1000);
	}
	else
	{
		printf("密码错误");
		Sleep(1000);
            
	}
}
else 
{
	printf("账号错误");
	Sleep(1000);
}

}

void NameAdmin() { char a[6]={'a'}; char b[6]={'a'}; char p[100]={'a'}; char pass[100]={'a'}; int i=0; int m; int login; FILE *fp; printf("请输入账号:"); scanf("%s",a); fp=fopen("d://NameAdmin.txt","r"); if(fp==NULL) { printf("NameAdmin.txt cannot be opened\n"); } fscanf(fp,"%s",&b); fclose(fp); Sleep(1000); if(strcmp(a, b)) { printf("无此账户!\n"); return NameAdmin(); } }

void PassAdmin() { char pw[50],ch; char syspw[20]; // 原始密码 int i,m = 0; FILE *fp;

fp=fopen("d://PassAdmin.txt","r");
if(fp==NULL)printf("PassAdmin.txt cannot be opened\n");
fscanf(fp,"%s",syspw);
fclose(fp);

printf("您有三次输入机会\n");
printf("请输入密码:\n"); 
while(m < 3)
{
    i = 0;
    while((ch = _getch()) != '\r') 
	{
        if(ch == '\b' && i > 0)
		{
            printf("\b \b");
            --i;
        }
        else if(ch != '\b') 
		{
            pw[i++] = ch;
            printf("*");
        }
    }
    pw[i] = '\0';
    printf("\n");
    if(strcmp(pw,syspw) != 0)
	{
        printf("密码错误，请重新输入!\n");
        m++;
    }
    else 
	{       
        printf("正在登陆\n");
		break;
    }
}
if(m==3)
{
	printf("连续3次输入错误，退出!\n");
	exit(0);
}
Sleep(1000);

}

void NameBorro() { char a[6]={'a'}; char b[6]={'a'}; char p[100]={'a'}; char pass[100]={'a'}; int i=0; int m; int login; FILE *fp; printf("请输入账号:"); scanf("%s",a); fp=fopen("d://NameBorro.txt","r"); if(fp==NULL) { printf("NameBorro.txt cannot be opened"); } fscanf(fp,"%s",&b); fclose(fp); Sleep(1000); if(strcmp(a, b)) { printf("无此账户!\n"); return NameBorro(); } }

void PassBorro() { char pw[50],ch; char syspw = "abc"; // 原始密码 int i,m = 0; printf("您有三次输入机会\n"); printf("请输入密码:\n"); while(m < 3) { i = 0; while((ch = _getch()) != '\r') { if(ch == '\b' && i > 0) { printf("\b \b"); --i; } else if(ch != '\b') { pw[i++] = ch; printf(""); } } pw[i] = '\0'; printf("\n"); if(strcmp(pw,syspw) != 0) { printf("密码错误，请重新输入!\n"); m++; } else { printf("正在登陆\n"); Sleep(1000); break; } } if(m==3) { printf("连续3次输入错误，退出!\n"); exit(0); } }

void Administrator() { int m; system("cls"); toxy(45,5); printf("欢迎登陆管理员模式"); toxy(45,10); printf("1:查询所有书籍状态"); toxy(45,12); printf("2:添加书籍"); toxy(45,14); printf("3:删除书籍"); toxy(45,16);
printf("4:查找书籍"); toxy(45,18); printf("5:更改账号及密码"); toxy(45,20); printf("6:返回上级菜单"); toxy(0,22); printf("请选择:"); scanf("%d",&m); switch(m) {
case 1: rbook(); return Administrator(); break;
case 2: Addbook(); return Administrator(); break; case 3: delbook(); return Administrator(); break; case 4: findbook(); return Administrator(); break; case 5: chagenapa(); return Administrator(); break; case 6: system("cls");break; default: printf("error\n"); system("pause"); return Administrator(); break; } }

void Borrower() { int m; system("cls"); toxy(45,5); printf("欢迎登陆借阅者模式"); toxy(45,10); printf("1:查看所有书籍状态"); toxy(45,12); printf("2:查找书籍"); toxy(45,14); printf("3:已借图书"); toxy(45,16); printf("4:更改账号及密码"); toxy(45,18); printf("5:返回上级菜单"); toxy(0,20); printf("请选择:"); scanf("%d",&m); switch(m) { case 1: rbook(); return Borrower(); break; case 2: findbook(); return Borrower(); break; case 3: case 4: case 5: system("cls");break; default: printf("error\n"); system("pause"); return Borrower(); break; } }

void main() { int n; toxy(40,5); printf("欢迎使用TS图书管理系统!"); toxy(45,10); printf("1:管理员登陆"); toxy(45,12); printf("2:借阅者登陆\n"); toxy(45,14); printf("3:退出系统\n"); toxy(0,20); printf("请选择:"); scanf("%d",&n); switch(n) { case 1: NameAdmin(); PassAdmin(); system("cls"); Administrator(); return main(); break; case 2: NameBorro(); PassBorro(); system("cls"); Borrower(); return main(); break; case 3: printf("成功退出\n"); exit(0); default: printf("error\n"); system("pause"); system("cls"); return main(); break; } }