#include<stdio.h>
#include<string.h>
#include<conio.h>
#include<stdlib.h>
#include<ctype.h>
#define STACK_INIT_SIZE 10
#define OK 1
#define TRUE 1
#define ERROR 0
/*定义学生类型，用于存放借出的书籍*/
struct student {
int carnum;
char lendbook[10];
}student[1000];
/*定义书的类型*/
struct book
{
int booknum;
char bookname[20];
float bookprice;
char bookcreat[20];
int turefalse; /*用于借书和还书模块判断一本书是否借出的条件*/
}book[1000];
/*借书卡的数据类型*/
struct car
{
int carnum;
char sex[5];
char studentname[20];
int studentclass;
}car[1000];
/*查询图书信息模块*/
/*(1)按书名查找*/
findbook()
{
FILE *fp;
char bookname[10];
int i;
fp=fopen("book.txt","r");
printf("请输入你要查找的书名:\n");
scanf("%s",bookname);
for(i=0;fread(&book[i],sizeof(structbook),1,fp)!=0;i++)
{
if(strcmp(bookname,book[i].bookname)==0)
{
if(book[i].turefalse==1)
{
printf(" 书号 书名 作者 \n %d %s %s \n",book[i].booknum,book[i].bookname,book[i].bookcreat);
printf("此书现在无人借阅\n按任意键返回\n");}
else {printf("这本书已经有人借出\n");fclose(fp);return 0;}
fclose(fp);
return 0;
}
}
printf("抱歉无此书!\n");
fclose(fp);
return 0;
}
/*(2)按作者查找*/
findbook1()
{
FILE *fp;
char bookcreat[10];
int i;
fp=fopen("book.txt","r");
printf("请输入作者名:\n");
scanf("%s",bookcreat);
for(i=0;fread(&book[i],sizeof(structbook),1,fp)!=0;i++)
{
if(strcmp(bookcreat,book[i].bookcreat)==0)
{
if(book[i].turefalse==1)
{
printf(" 书号 书名 作者\n %d %s %s\n",book[i].booknum,book[i].bookname,book[i].bookcreat);
printf("此书现在无人借阅\n按任意键返回\n");
}
else {printf("此书已借出!\n");fclose(fp);
return 0;
}
fclose(fp);
return 0;
}
}
printf("没有此书籍\n");
fclose(fp);
return 0;
}
chabook()/*查找图书主模块 */
{
char ch5;
do
{
printf("！！！欢迎进入图书查询系统！！！\n");
printf(" 1: 按书名查找\n");
printf(" 2: 按作者查找\n");
printf(" 0: 返回\n");
printf("请输入0━2:\n");
ch5=getch();
switch(ch5)
{
case '1':findbook();getch();break;
case '2':findbook1();getch();break;
case '0':break;
default:printf("无此操作!\n");getch();break;
}
}while(ch5!='0');
return 0;
}
/*借书与还书模块*/
/*(1).借书模块*/
lendbook()
{
FILE *fp,*fp2;
int i,n;
int carnum;
system("cls");
printf("\t\t*****欢迎进入借书系统*****\n\n");
printf("请输入借书人的:\n卡号:\n");
scanf("%d",&carnum);
fp=fopen("car.txt","r");
for(i=0;fread(&car[i],sizeof(structcar),1,fp)!=0;i++)
{
if(car[i].carnum==carnum)
{
n=i;
fclose(fp);
printf("书名:\n");
scanf("%s",student[n].lendbook);
fp=fopen("book.txt","r");
for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++)
{
if(strcmp(book[i].bookname,student[n].lendbook)==0)
{
if(book[i].turefalse==0) {printf("对不起，此书有人借出，请借其他书\n");fclose(fp);getch();return0;}
else
fclose(fp);
fp=fopen("record.txt","a+");
student[n].carnum=carnum;
fwrite(&student[n],sizeof(struct student),1,fp);
fclose(fp);
fp=fopen("book.txt","r");
fp2=fopen("bookl.txt","w");
for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++)
{
if(strcmp(book[i].bookname,student[n].lendbook)==0)
{
book[i].turefalse=0;
fwrite(&book[i],sizeof(struct book),1,fp2);
continue;
}
fwrite(&book[i],sizeof(struct book),1,fp2);
}
fclose(fp);
fclose(fp2);
fp=fopen("book.txt","w");
fp2=fopen("bookl.txt","r");
for(i=0;fread(&book[i],sizeof(struct book),1,fp2)!=0;i++)
{
fwrite(&book[i],sizeof(struct book),1,fp);
}
fclose(fp);
fclose(fp2);
fopen("bookl.txt","w");
fclose(fp2);
printf("借书完毕，按任意键返回...\n");
getch();
return 0;
}
}
printf("不存在这样的书，任意键返回...\n");
fclose(fp);
getch();
return 0;
}
}
printf("你的卡号不存在，请申请新卡,按任意键返回...\n");
fclose(fp);
getch();
return 0;}
/*(2).还书函数*/
huanbook()
{
FILE *fp,*fp2; /*定义两个文件指针，fp2用于修改数据时设立临时文件用，防止数据遭破坏*/
int i,n;
int carnum;
char lendbook[10];
system("cls");
printf("\t\t@@@@欢迎进入还书界面@@@@");
printf("\n请你输入你的\n卡号:\n");
scanf("%d",&carnum);
fp=fopen("car.txt","r");/*读取卡号记录*/
for(i=0;fread(&car[i],sizeof(structcar),1,fp)!=0;i++) /*for循环判断卡号是否存在*/
{
if(car[i].carnum==carnum) /*卡号存在，进入下一循环*/
{
n=i;
fclose(fp);
printf("请输入你要还的书的名字:\n");
scanf("%s",lendbook);
fp=fopen("record.txt","r");
for(i=0;fread(&student[i],sizeof(struct student),1,fp)!=0;i++) /*判断是否借阅了输入的书*/
{
if(strcmp(student[i].lendbook,lendbook)==0) /*借阅了该书，进入下一循环，否则出错显示*/
{
fclose(fp);
fp=fopen("record.txt","r");
fp2=fopen("bookl.txt","w");
for(i=0;fread(&student[i],sizeof(struct student),1,fp)!=0;i++)
{
if(strcmp(student[i].lendbook,lendbook)==0)
{
continue; /*删除还掉的书的借书记录*/
}
fwrite(&student[i],sizeof(struct student),1,fp2); /*写入原来没还的书的记录*/
}
fclose(fp);
fclose(fp2);
fp=fopen("record.txt","w");
fp2=fopen("bookl.txt","r");
for(i=0;fread(&student[i],sizeof(struct student),1,fp2)!=0;i++)
{
fwrite(&student[i],sizeof(struct student),1,fp); /*将借书记录信息写回*/
}
fclose(fp);
fclose(fp2);
fopen("bookl.txt","w"); /*清临时文件的记录*/
fclose(fp2);
fp=fopen("book.txt","r");
fp2=fopen("bookl.txt","w");
for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++) /*将书的记录写入临时文件，防止因为修改信息破坏以前的记录*/
{
if(i==n)
{
book[i].turefalse=1;
fwrite(&book[i],sizeof(struct book),1,fp2); /*将还的书的原来状态设为无人借阅的*/
continue;
}
fwrite(&book[i],sizeof(struct book),1,fp2);
}
fclose(fp);
fclose(fp2);
fp=fopen("book.txt","w");
fp2=fopen("bookl.txt","r");
for(i=0;fread(&book[i],sizeof(struct book),1,fp2)!=0;i++)
{
fwrite(&book[i],sizeof(struct book),1,fp); /*将临时文件写回*/
}
fclose(fp);
fclose(fp2);
fopen("bookl.txt","w"); /*清临时文件*/
fclose(fp2);
printf("还书完毕，按任意键返回...\n");
getch();
return 1;
}
}
printf("你没有借这样的书，任意键返回...\n"); /*出错提示*/
fclose(fp);
getch();
return 0;
}
}
printf("没这样的卡，和管理员联系,按任意键返回...\n"); /*出错提示*/
fclose(fp);
getch();
return 0;}
/*(3).借书统计*/
lendcount()
{
FILE *fp;
int i,n=0;
fp=fopen("record.txt","r");
for(i=0;fread(&student[i],sizeof(structstudent),1,fp)!=0;i++)
{
printf("卡号 借出的书籍 \n");
printf("%d %s\n",student[i].carnum,student[i].lendbook);
n=n+1;
}
fclose(fp);
printf("目前共有%d本书借出\n",n);
printf("按任意键...\n");
getch();
return n;
}
/*会员卡管理模块*/
/*(1).增加会员卡*/
addcar()
{
FILE *fp;
int i=0;
fp=fopen("car.txt","a+");
printf("卡号:\n");
scanf("%d",&car[i].carnum);
printf("性别:\n");
scanf("%s",car[i].sex);
printf("姓名:\n");
scanf("%s",car[i].studentname);
printf("班级:\n");
scanf("%d",&car[i].studentclass);
fwrite(&car[i],sizeof(structcar),1,fp);
fclose(fp);
printf("输入完毕，任意键返回...\n");
getch();
}
/*(2).删除会员卡*/
delcar()
{
FILE *fp,*fp2;
int i;
int carnum;
char choice;
fp=fopen("car.txt","r");
fp2=fopen("bookl.txt","w");
printf("要删除的卡号(不存在则不作改动):\n");
scanf("%d",&carnum);
for(i=0;fread(&car[i],sizeof(structcar),1,fp)!=0;i++)
{
if(car[i].carnum!=carnum)
{
fwrite(&car[i],sizeof(struct car),1,fp2);
}
}
fclose(fp);
fclose(fp2);
printf("确认删除?(Y/N)!\n");
scanf("%s",&choice);
if(choice=='y'||choice=='Y')
{
fp=fopen("car.txt","w");
fp2=fopen("bookl.txt","r");
for(i=0;fread(&car[i],sizeof(struct car),1,fp2)!=0;i++)
{
fwrite(&car[i],sizeof(struct car),1,fp);
}
fclose(fp);
fclose(fp2);
fp2=fopen("bookl.txt","w");
fclose(fp2);
printf("操作成功!\n按任意键返回...\n");
getch();
return 0;
}
else
{
printf("操作已取消!\n按任意键返回...\n");
getch();
return 0;
}
}
/*(3).会员卡统计*/
carcount()
{
FILE *fp;
int i,n=0;
fp=fopen("car.txt","r");
for(i=0;fread(&car[i],sizeof(structcar),1,fp)!=0;i++)
{
printf("第%d张卡 \n",i+1);
printf("卡号 性别 姓名 班级 \n");
printf(" %d %5s %10s %3d\n\n",car[i].carnum,car[i].sex,car[i].studentname,car[i].studentclass);
n=n+1;
}
fclose(fp);
printf("目前共有%d个会员。\n",n);
printf("按任意键返回...\n");
getch();
}
/*图书管理模块*/
/*(1).增加图书信息*/
addbook()
{
FILE *fp;
int i=0;
char choice='y';
fp=fopen("book.txt","a+");
while(choice=='y'||choice=='Y')
{
printf("书号:\n");
scanf("%d",&book[i].booknum);
printf("书名:\n");
scanf("%s",book[i].bookname);
printf("作者:\n");
scanf("%s",book[i].bookcreat);
printf("单价:\n");
scanf("%f",&book[i].bookprice);
printf("请你设定书的状态(1在架/0不在):\n");
scanf("%d",&book[i].turefalse);
fwrite(&book[i],sizeof(struct book),1,fp);
printf("是否要输入下本书(y/n)\n");
scanf("%s",&choice);
}
fclose(fp);
}
/*(2).删除图书信息*/
delbook()
{
FILE *fp,*fp2;
int i;
char bookname[10],choice;
fp=fopen("book.txt","r");
fp2=fopen("bookl.txt","w");
printf("书名:\n");
scanf("%s",bookname);
for(i=0;fread(&book[i],sizeof(structbook),1,fp)!=0;i++)
{
if(strcmp(bookname,book[i].bookname)!=0)
{
fwrite(&book[i],sizeof(struct book),1,fp2);
}
}
fclose(fp);
fclose(fp2);
printf("确认删除(y/n)?\n");
scanf("%s",&choice);
if(choice=='y'||choice=='Y')
{
fp=fopen("book.txt","w");
fp2=fopen("bookl.txt","r");
for(i=0;fread(&book[i],sizeof(struct book),1,fp2)!=0;i++)
{
fwrite(&book[i],sizeof(struct book),1,fp);
}
fclose(fp);
fclose(fp2);
fp2=fopen("bookl.txt","w");
fclose(fp2);
printf("按任意键返回...\n");
getch();
return 0;
}
else
{
printf("按任意键返回...\n");
getch();
return 0;
}
}
/*(3)修改图书*/
changebook()
{
FILE *fp,*fp2;
char bookname[10],choice;
int i;
fp=fopen("book.txt","r");
fp2=fopen("bookl.txt","w");
printf("书名:\n");
scanf("%s",bookname);
for(i=0;fread(&book[i],sizeof(structbook),1,fp)!=0;i++)
{
if(strcmp(book[i].bookname,bookname)==0)
{
printf("你所要修改的书的资料如下，请选择你要修改的内容:\n");
printf("序号 书名 作者 \n");
printf("%d %s %s\n",book[i].booknum,book[i].bookname,book[i].bookcreat); printf("1:修改书号:\n");
printf("2: 修改书名:\n");
printf("3: 修改作者:\n");
printf("4: 修改单价:");
printf("请输入1━3:");
choice=getch();
switch(choice)
{
case '1':
{
printf("新书号:\n");
scanf("%d",&book[i].booknum);
fwrite(&book[i],sizeof(struct book),1,fp2);
}break;
case '2':
{
printf("新书名:\n");
scanf("%s",book[i].bookname);
fwrite(&book[i],sizeof(struct book),1,fp2);
}break;
case '3':
{
printf("新的作者:\n");
scanf("%s",book[i].bookcreat);
fwrite(&book[i],sizeof(struct book),1,fp2);
}break;
case '4':
{
printf("新的单价:");
scanf("%f",book[i].bookprice);
fwrite(&book[i],sizeof(struct book),1,fp2); }
default:printf("没有这样的操作!");break;
}
continue;
}
fwrite(&book[i],sizeof(struct book),1,fp2);
}
fclose(fp);
fclose(fp2);
fp=fopen("book.txt","w");
fp2=fopen("bookl.txt","r");
for(i=0;fread(&book[i],sizeof(structbook),1,fp2)!=0;i++)
{
fwrite(&book[i],sizeof(struct book),1,fp);
}
fclose(fp);
fp2=fopen("bookl.txt","w");
fclose(fp2);
printf("按任意键返回...\n");
getchar();
return 0;
}
/*(4).图书统计*/
bookcount()
{
FILE *fp;
int i,n=0;
fp=fopen("book.txt","r");
for(i=0;fread(&book[i],sizeof(structbook),1,fp)!=0;i++)
{
if(book[i].booknum!=0&&strlen(book[i].bookname)!=0&&strlen(book[i].bookcreat)!=0)
{
printf("第%d本书\n序号 书名 作者 单价 状态 \n",i+1);
printf(" %d %10s ",book[i].booknum,book[i].bookname);
printf("%15s %4.2f %d(1在/0不在)\n",book[i].bookcreat,book[i].bookprice,book[i].turefalse);n=n+1;
}
}
fclose(fp);
printf("目前共有%d本书.\n",n);
printf("按任意键返回...\n");
}
/*结束界面函数*/
end()
{ system("cls");
printf("\t\t********************************\n");
printf("\t\t********************************\n");
printf("\t\t**** 谢谢使用本系统 , 再见! ****\n");
printf("\t\t********************************\n");
printf("\t\t********************************\n");
}
/*主函数*/
main()
{
char ch1,ch2,ch4;
do
{ system("cls");
printf("\t\t********************************\n");
printf("\t\t********************************\n");
printf("\t\t***** 欢迎进入图书管理系统 *****\n");
printf("\t\t********************************\n");
printf("\t\t********************************\n");
printf(" 请选择:\n");
printf(" 1:查阅图书 \n");
printf(" 2:借阅图书 \n");
printf(" 3:管理系统 \n");
printf(" 4:还书 \n");
printf(" 0:退出 \n");
printf("请输入0━4:\n");
ch1=getch();
switch(ch1)
{
case '1':chabook();break;
case '2':lendbook();;break;
case '3':{
do
{
system("cls");
printf("\t\t*******欢迎进入管理系统*******\n");
printf(" 1:增加图书 \n");
printf(" 2:删除图书 \n");
printf(" 3:修改图书 \n");
printf(" 4:图书统计 \n");
printf(" 5:会员管理系统 \n");
printf(" 0:返回 \n");
printf("请输入0━5:\n");
ch2=getch();
switch(ch2)
{
case '1':addbook();
break;
case '2':delbook();break;
case '3':changebook();break;
case '4':bookcount();getch();break;
case '5':{
do
{
system("cls");
printf("\t\t····欢迎进入学生管理系统····\n");
printf(" 1: 申请新卡\n");
printf(" 2: 删除卡号\n");
printf(" 3: 借书统计\n");
printf(" 4: 卡号统计\n");
printf(" 0: 返回\n");
printf("请输入0━4:\n");
ch4=getch();
switch(ch4)
{
case '1':addcar();break;
case '2':delcar();break;
case '3':lendcount();break;
case '4':carcount();break;
case '0':break;
default:printf("无此操作!\n");getch();break;
}
}while(ch4!='0');}break;
case '0':break;
default:printf("无此操作!\n");getch();break;
}
} while(ch2!='0');}break;
case '4':huanbook();break;
case '0':break;
default:printf("无此操作!\n");getch();break;
}
}while(ch1!='0');
}
图书馆系统
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