图书馆管理系统---c语言编写.doc

#include "stdio.h"
#include "stdlib.h"
#include "conio.h"
#include "string.h"
#include "math.h"
#define LEN sizeof(struct library)
#define LEN1 sizeof(struct reader)
#define NULL 0
struct library//图书馆构造体
{int shuhao,xcl;
char name[20],author[20],chuban[20];
struct library *next;
};

struct reader//读者构造体
{
int zhenghao;
char mingzi[20],riqi[20],zname[20];
struct reader *next;
};

void mainmenu() //显示主菜单
{ system ("cls");
printf("\n");
printf("\t\t\t\t####################\n\n");
printf("\t\t\t\t 1.图书馆信息\n\n");
printf("\t\t\t\t 2.借阅系统\n\n");
printf("\t\t\t\t 3.退出系统\n\n");
printf("\t\t\t 请按键选择，回车拟定\n");
printf("\t\t\t\t######################\n");
printf("\n");
return ;
}

void menu1() //显示图书馆信息菜单
{ system ("cls");
printf("");
printf("\t\t\t\t####################\n\n");
printf("\t\t\t\t 1.采编入库\n\n");
printf("\t\t\t\t 2.清除库存\n\n");
printf("\t\t\t\t 3.图书查询\n\n");
printf("\t\t\t\t 4.库存一览\n\n");
printf("\t\t\t\t 5.返回上一层\n\n");
printf("\t\t\t 请按键选择，回车拟定\n");
printf("\t\t\t\t#######################\n");
printf("\n");
return ;
}
void menu2() //显示查询菜单
{ system ("cls");
//printf("");
printf("\t\t\t\t#######################\n");
printf("\t\t\t\t 1.书号查询\n\n");
printf("\t\t\t\t 2.书名查询\n\n");
printf("\t\t\t\t 3.作者查询\n\n");
printf("\t\t\t\t 4.出版社查询\n\n");
printf("\t\t\t 请按键选择，回车拟定\n");
printf("\t\t\t\t#######################\n");
//printf("");
return ;
}
void main()//主函数，调用main1
{void main1();
main1();}

void main1()//main1函数
{void tsgxx();//声明
void jieshuxitong();//声明
char choose;
mainmenu();
scanf("%c",&choose);
switch(choose)//功能函数选择
{ case '1':tsgxx();break;
case '2':jieshuxitong();break;
case '3':system ("cls");printf("\n\n\n\n\n\n\n\n\n\t\t\t Byebye...");printf("\n\n\n\n\n\n\n\n\n\t\t\t 欢迎使用本软件！！！");getch();exit(0);system ("cls");break;
}
}

void tsgxx()//图书馆信息函数
{ void tsjinku();
void shanchu();
void chaxunts();
void xianshikucun();//函数声明
char choose;
menu1();//调用菜单函数
scanf("%c",&choose);
scanf("%c",&choose);
for (;;)
switch(choose)//功能函数选择
{ case '1':tsjinku();break;
case '2':shanchu();break;
case '3':chaxunts();break;
case '4':xianshikucun();break;
case '5':main1();break;
}
}

int tjzs()//记录文本个数函数
{ FILE *fp;
int tshuhao=0,txcl=0,n;
char tname[20]={'\0'},tauthor[20]={'\0'},tchuban[20]={'\0'};
fp=fopen("library.txt","r");//打开文献
for (n=0;!feof(fp);n++)//逐个读文献
fscanf(fp,"%d %s %s %s %d",&tshuhao,tname,tauthor,tchuban,&txcl);
n--;
fclose(fp);//关闭文献
return (n);//返回个数
}

int tjdzzs()//记录文本个数函数
{ FILE *fp;
int zhenghao=0,n;
char mingzi[20]={'\0'},riqi[20]={'\0'},zname[20]={'\0'};
fp=fopen("reader.txt","r");//打开文献
for (n=0;!feof(fp);n++)//逐个读文献
fscanf(fp,"%d %s %s %s ",&zhenghao,&mingzi,&riqi,&zname);
fclose(fp);//关闭文献
return (n);//返回个数
}

void tsjinku()//图书进库函数
{ FILE *fp;
int shuhao=0,xcl=0,n=0;
char name[20]={'\0'},author[20]={'\0'},chuban[20]={'\0'};
char hitkey;
system ("cls");
if ((fp=fopen("library.txt","r"))==NULL)//打开图书馆文献，不存在此文献则新建
{ fp=fopen("library.txt","w");
fclose(fp);
}
fp=fopen("library.txt","a");
printf("\n\n\n\n\n\n\t\t\t请按如下格式输入图书信息：\t\t\t\t\t\t 书号 书名 作者 出版社 进库量\n请输入：");//按格式输入图书馆信息
for (;hitkey!=27;)//循环输入
{ if (n!=0)
printf("请输入:");
scanf("%d%s%s%s%d",&shuhao,name,author,chuban,&xcl);
fprintf(fp,"%d %s %s %s %d\n",shuhao,name,author,chuban,xcl);
printf("继续输入请按回车，结束输入请按esc\n");
n++;
hitkey=getch();
for (;hitkey!=13&&hitkey!=27;)
hitkey=getch();
}
fclose(fp);
printf("\n\n\n\n\n\n\t\t\t保存成功，按任意键返回上一层！");
getch();
tsgxx();//返回上一层
}

void shanchu()//删除图书信息函数
{ struct library *head=NULL;
struct library *p,*p1,*p2;
int tshuhao=0,txcl=0,n=0,j,i;
char tname[20]={'\0'},tauthor[20]={'\0'},tchuban[20]={'\0'}, ttname[20]={'\0'};
char hitkey;
FILE *fp;
if ((fp=fopen("library.txt","r"))==NULL)//打开文献
{ system ("cls");
printf("\n\n\n\n\n\n\n\n\n\t\t\t记录文献不存在！按任意键返回...");
getch();
tsgxx();
}
else
{ system ("cls");
printf("\n\n\n\n\n\n\n\n\t\t请输入你要删除旳书名:");//输入删除图书书名
scanf("%s",&ttname);
printf("\t\t确认删除请回车，取消请按esc\n");
hitkey=getch();
for (;hitkey!=13&&hitkey!=27;)
hitkey=getch();
if (hitkey==27)
tsgxx();
fp=fopen("library.txt","r");
for (j=0;!feof(fp);)//读文献夹信息，记录个数
{ j++;
fscanf(fp,"%d%s%s%s%d",&tshuhao,tname,tauthor,tchuban,&txcl);
}
fclose(fp);
fp=fopen("library.txt","r");
for (i=1;i<j;i++)
{ fscanf(fp,"%d%s%s%s%d",&tshuhao,tname,tauthor,tchuban,&txcl);
if (strcmp(ttname,tname))//比较名字，将不同名字旳信息复制到链表
{ n++;
if (n==1)//建立链表
{ p1=p2=(struct library*)malloc(LEN);
head=p1;
}
else
{ p2->next=p1;
p2=p1;
p1=(struct library*)malloc(LEN);//新建链表
}
p1->shuhao=tshuhao;//复制书号
strcpy(p1->name,tname);//复制书名
strcpy(p1->author,tauthor);//复制作者名子
strcpy(p1->chuban,tchuban);//复制出版社
p1->xcl=txcl;//复制个数
}
}
if (n==0)
{ head=NULL;
}
else
{
p2->next=p1;
p1->next=NULL;
fclose(fp);
}
}
fp=fopen("library.txt","w");//清空文献
fclose(fp);
fp=fopen("library.txt","a");//追加文献
p=head;
for (;p!=NULL;)//把链表内容覆盖到文献
{
fprintf(fp,"%d %s %s %s %d \n",p->shuhao,p->name,p->author,p->chuban,p->xcl);
p=p->next;
}
fclose(fp);//关闭文献
system ("cls");
printf("\n\n\n\n\n\n\n\n\t\t 删除成功 \n\t\t按任意键返回上一层\n");
getch();//返回上一层
tsgxx();
}

void chaxunts()//查询函数
{
FILE *fp;
char choose;
int ttshuhao=0,tshuhao=0,txcl=0,n=0,k=0,i,l;
char tname[20]={'\0'},ttauthor[20]={'\0'},tauthor[20]={'\0'},ttchuban[20]={'\0'},tchuban[20]={'\0'}, ttname[20]={'\0'};
if ((fp=fopen("library.txt","r"))==NULL)//打开文献
{ system ("cls");
printf("\n\n\n\n\n\n\n\n\n\t\t\t记录文献不存在！按任意键返回...");
getch();
tsgxx();
}
l=tjzs();//获得文献个数
menu2();//调用菜单函数
scanf("%c",&choose);scanf("%c",&choose);//选择查询方式
if (choose=='5')
return;
else if (choose=='1')//书号查询
{ system ("cls");
printf("请输入书号:");
scanf("%d",&ttshuhao);
}
else
if (choose=='2')//书名查询
{ system ("cls");
printf("请输入书名:");
scanf("%s",ttname);
}
else
if (choose=='3')//作者查询
{ system ("cls");
printf("请输入作者:");
scanf("%s",ttauthor);
}
else
if (choose=='4')//出版社查询
{ system ("cls");
printf("请输入出版社:");
scanf("%s",ttchuban);
}
system ("cls");
for (i=0;i<l;i++)
{ fscanf(fp,"%d%s%s%s%d",&tshuhao,tname,tauthor,tchuban,&txcl);//读文献信息
if (ttshuhao==tshuhao||!strcmp(ttname,tname)||!strcmp(ttauthor,tauthor)||!strcmp(ttchuban,tchuban))//输出查询信息
{
if (k==0)
{
printf("\t\t\t\t查询成果:\n\n");
printf("\t 书号 书名 作者 出版社 现存量 \n");
}
printf("\t %-4d %-8s %-8s %-8s %-4d \n",tshuhao,tname,tauthor,tchuban,txcl);
k++;
}
}
if (k==0)//文献夹为空则输出无记录
{ system ("cls");
printf("\n\n\n\n\n\n\n\t\t\t\t无符合记录！\n");
getch();
tsgxx();
}
fclose(fp);
getch();//返回
tsgxx();
}

void xianshikucun()//现实库存信息
{
FILE *fp;
int shuhao=0,xcl=0,n=0,i=0,j=0;
char name[20]={'\0'},author[20]={'\0'},chuban[20]={'\0'};
if ((fp=fopen("library.txt","r"))==NULL)//打开文献夹
{
system ("cls");
printf("\n\n\n\n\n\n\n\n\n\t\t\t记录文献不存在！");
}
n= tjzs();
if (n==0)
{ system ("cls");
printf("\n\n\n\n\n\n\n\n\n\t\t\t无任何记录!");
}
fp=fopen("library.txt","r");
system ("cls");
printf("********************************************************************************");
printf("\t 书号 书名 作者 出版社 库存量 \n");
printf("********************************************************************************");
for (i=0;i<n;i++)//输出信息
{
fscanf(fp,"%d%s%s%s%d",&shuhao,name,author,chuban,&xcl);
printf("\t %-4d %-8s %-8s %-8s %-4d \n",shuhao,name,author,chuban,xcl);
}
fclose(fp);
printf("\t\t\t\t按任意键返回\n");
getch();//返回
tsgxx();
}

void menu3() //显示借书系统主菜单
{ system ("cls");
//printf("********************************************************************************");
printf("\t\t\t\t#######################\n");
printf("\t\t\t\t 1.借书登记\n\n");
printf("\t\t\t\t 2.还书登记\n\n");
printf("\t\t\t\t 3.借阅状况查看\n\n");
printf("\t\t\t\t 4.返回上一层\n\n");
printf("\t\t\t 请按键选择，回车拟定\n");
printf("\t\t\t\t#######################\n");
//printf("********************************************************************************");
return ;
}

void jieshuxitong()//借书系统函数
{ void jieshu();
void huanshu();
void duzheyilang();//函数声明
char choose;
menu3();
scanf("%c",&choose);
scanf("%c",&choose);//选择功能
for (;;)
switch(choose)//调用函数
{ case '1':jieshu();break;
case '2':huanshu();break;
case '3':duzheyilang();break;
case '4':main1();break;
}
}

void jieshu()//借书函数
{
FILE *fp,*fp3;
struct library *head=NULL;
struct library *p,*p1,*p2;
int tshuhao=0,txcl=0,i,loop,zhenghao=0,n=0,k=0,t=0,flag=0;
char tname[20]={'\0'},tauthor[20]={'\0'},tchuban[20]={'\0'}, ttname[20]={'\0'},mingzi[20]={'\0'},riqi[20]={'\0'},zname[20]={'\0'};
char hitkey=0;
system ("cls");
{
if ((fp=fopen("library.txt","r"))==NULL)//打开图书馆文献
{
system ("cls");
printf("\n\n\n\n\n\n\n\n\n\t\t 图书馆无库存！按任意键退出！");
getch();
exit (0);
}
else
{
{
printf("\n\n\n\n\n\n\t\t\t请输入借阅书名：\t\t\t\t\t\t \n请输入：");//输入书名
scanf("%s",zname);
k= tjzs();//记录图书馆文献个数
for (i=0;i<k;i++)//读入图书馆信息，存储到链表
{
fscanf(fp,"%d%s%s%s%d",&tshuhao,tname,tauthor,tchuban,&txcl);
n++;
if (n==1)
{ p1=p2=(struct library*)malloc(LEN);
head=p1;
}
else
{ p2->next=p1;
p2=p1;
p1=(struct library*)malloc(LEN);//新建链表
}
p1->shuhao=tshuhao;//复制书号
strcpy(p1->name,tname);//复制书名
strcpy(p1->author,tauthor);//复制作者
strcpy(p1->chuban,tchuban);//复制出版社
p1->xcl=txcl;//复制现存量
}
if (n==0)
head=NULL;
else
{
p2->next=p1;
p1->next=NULL;
fclose(fp);
}
}
}
p=head;
for (;p!=NULL;)//读链表
{
if(!(strcmp(p->name,zname)))//名字相似
{flag=1;//标记取1
loop=p->xcl;//现存量减1
(p->xcl)--;}
p=p->next;
}
if(flag&&(loop>0))//存在借书书名且现存量大于0
{ fp=fopen("library.txt","w");
fclose(fp);
fp=fopen("library.txt","a");
p=head;
for (;p!=NULL;)
{
fprintf(fp,"%d %s %s %s %d \n",p->shuhao,p->name,p->author,p->chuban,p->xcl);
p=p->next;
}
free(p);//把链表内容覆盖文献
fclose(fp);}
if(flag&&(loop>0))//存在借书书名且现存量大于0
{
{
if ((fp3=fopen("reader.txt","r"))==NULL)//建读者文献夹
{ fp3=fopen("reader.txt","w");
fclose(fp3);
}
fp3=fopen("reader.txt","a");
}

{
{ if (n!=0)

printf("\n\n\n\n\n\n\t\t\t请按如下格式输入读者信息：\t\t\t\t\t\t 证号 姓名 归还日期 借书书名\n请输入：");//录入读者信息
scanf("%d %s %s %s",&zhenghao,&mingzi[20],&riqi[20],&zname[20]);
fprintf(fp3,"%d %s %s %s \n",zhenghao,&mingzi[20],&riqi[20],&zname[20]);
fp=fopen("library.txt","w");//删除图书馆文献信息
fclose(fp);
fp=fopen("library.txt","a");//重新追加信息
p=head;
for (;p!=NULL;)//把链表内容覆盖图书馆文献
{

fprintf(fp,"%d %s %s %s %d \n",p->shuhao,p->name,p->author,p->chuban,p->xcl);
p=p->next;
}
fclose(fp);
fclose(fp3);
printf("成功！按任意键返回\n");
getch();//返回
jieshuxitong();
}
}

jieshuxitong();
}
else
printf("此书已被借完！按任意键返回！");//否则输出此书已被接完
getch();//返回
jieshuxitong();
}
}

void huanshu()//还书函数
{FILE *fp,*fp3;
struct reader *head=NULL;
struct reader *p,*p1,*p2;
struct library *lhead1=NULL;
struct library *zp1,*lp1,*lp2;
int tshuhao=0,txcl=0,i;
char tname[20]={'\0'},tauthor[20]={'\0'},tchuban[20]={'\0'}, ttname[20]={'\0'};
int ttzhenghao=0,tzhenghao=0,n=0,k=0,t=0,flag=0;
char tmingzi[20]={'\0'},triqi[20]={'\0'},tzname[20]={'\0'},ttzname[20]={'\0'};
char hitkey=0;
system ("cls");
{
if ((fp=fopen("reader.txt","r"))==NULL)//不存在读者文献，则输出不能还书
{
system ("cls");
printf("\n\n\n\n\n\n\n\n\n\t\t 不存在借书者！按任意键退出！");
getch();
exit (0);
}

else
{
{
printf("\n\n\n\n\n\n\t\t\t请输入读者证号和书名：\t\t\t\t\t\t \n请输入：");
scanf("%d %s",&ttzhenghao,ttzname);//输入还书证号和书名
k= tjdzzs();//获取读者文献夹信息个数
for (i=0;i<k;i++)//读取读者文献夹信息
{
fscanf(fp,"%d%s%s%s\n ",&tzhenghao,tmingzi,triqi,tzname);
if((ttzhenghao==tzhenghao)&&!strcmp(ttzname,tzname))//如果证号书名存在，则标记为1
flag=1;
}
fclose(fp);
fp=fopen("reader.txt","r");//打开读者文献
if(flag)
{
for (i=0;i<k;i++)//将读者文献复制到链表
{
fscanf(fp,"%d%s%s%s\n ",&tzhenghao,tmingzi,triqi,tzname);//读取文献信息
if(!((ttzhenghao==tzhenghao)&&!strcmp(ttzname,tzname)))
{ n++;
if (n==1)
{ p1=p2=(struct reader*)malloc(LEN1);//新建链表
head=p1;
}
else
{ p2->next=p1;
p2=p1;
p1=(struct reader*)malloc(LEN1);//新建链表
}
p1->zhenghao=tzhenghao;//复制证号
strcpy(p1->mingzi,tmingzi);//复制读者名字
strcpy(p1->riqi,triqi);//复制日期
strcpy(p1->zname,tzname);//复制书名
}
}
if (n==0)
head=NULL;
else
{
p2->next=p1;
p1->next=NULL;
fclose(fp);
}
fp=fopen("reader.txt","w");//清空读者文献
fclose(fp);
fp=fopen("reader.txt","a");//追加信息
p=head;
for (;p!=NULL;)//把链表内容覆盖读者文献
{
fprintf(fp,"%d %s %s %s \n",p->zhenghao,p->mingzi,p->riqi,p->zname);
p=p->next;
}
free(p);
fclose(fp);
}
}
}
}
if(flag)//标记为1，既还书时
{
{
{printf("确认还书请按回车！");
for (;hitkey!=13&&hitkey!=27;)
hitkey=getch();
if (hitkey==13)
printf("成功！按任意键返回！");
n=0;flag=0;
fp3=fopen("library.txt","r");//打开图书馆文献
k= tjzs();//获取图书馆文献个数
for (i=0;i<k;i++)//将图书馆文献复制到链表
{
fscanf(fp3,"%d%s%s%s%d",&tshuhao,tname,tauthor,tchuban,&txcl);//读取信息
n++;
if (n==1)
{ lp1=lp2=(struct library*)malloc(LEN);//新建链表
lhead1=lp1;
}
else
{ lp2->next=lp1;
lp2=lp1;
lp1=(struct library*)malloc(LEN);//新建链表
}
lp1->shuhao=tshuhao;//复制书号
strcpy(lp1->name,tname);//复制书名
strcpy(lp1->author,tauthor);//复制作者
strcpy(lp1->chuban,tchuban);//复制出版社