图书管理系统

图书管理系统#include<stdio.h>#include<string.h>#include<conio.h>#include<stdlib.h>struct book{int booknum;char bookname[10];char bookcreat[10];int truefalse;}book[1000];void BorrowBook(){FILE *fp,*fp2;int i,flag=0,booknum;printf("请输入你要借阅的图书序号\n");scanf("%d",&booknum);if(!(fp=fopen("book.txt","r"))){printf("目前图书馆尚无图书！请输入任意字符继续\n");getch();return;}for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++){if(booknum==book[i].booknum){flag++;if(book[i].truefalse==1)printf("这本书的详细资料是:序号:%d 书名:%s 作者: %s 此书无人借阅\n",book[i].booknum,book[i].bookname,book[i].bookcreat);else{printf("这本书的详细资料是:序号:%d 书名:%s 作者: %s 此书已借出\n",book[i].booknum,book[i].bookname,book[i].bookcreat);printf("对不起，此书已借出\n按任意键继续\n");getch();fclose(fp);return;}}}if(flag==0){printf(" \n");getch();fclose(fp);return;}fclose(fp);fp=fopen("book.txt","r");fp2=fopen("book1,txt","w");for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i){if(book[i].booknum==booknum){book[i].truefalse=0;}fwrite(&book[i],sizeof(struct book),1,fp2);}fclose(fp);fclose(fp2);fp=fopen("book.txt","w");fp2=fopen("book1,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("book1.txt","w");fclose(fp2);printf("借书完毕，按任意键返回\n");getch();return;}void ReturnBook(){FILE *fp,*fp2;int i,flag=0,booknum;char yesno='n';printf("请输入你要还书的序号\n");scanf("%d",&booknum);if((fp=fopen("book.txt","r"))==NULL){printf("Error\n");return;}fp2=fopen("book1.txt","w");for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i){if(booknum==book[i].booknum){flag++;if(book[i].truefalse==1)printf("这本书的详细资料是:序号:%d 书名:%s 作者: %s 此书已借出\n",book[i].booknum,book[i].bookname,book[i].bookcreat);printf("确定要还书吗？(y/n)");scanf("%s",&yesno);if(yesno=='y'||yesno=='Y')book[i].truefalse=1;}fwrite(&book[i],sizeof(struct book),1,fp2);}if(flag==0){printf("不存在这样的序号，任意键返回\n");getch();return;}fclose(fp);fclose(fp2);fp=fopen("book.txt","w");fp2=fopen("book1,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("book1.txt","w");fclose(fp2);printf("还书完毕，按任意键返回\n");getch();return;}void AddBook(){FILE *fp;int i=0;char choice='y';fp=fopen("book","a ");while(choice=='y'||choice=='Y'){printf("请输入第%d本书的序号\n",i+1);scanf("%d",&book[i].booknum);printf("请输入书名\n");scanf("%s",&book[i].bookname);printf("请输入书的作者\n");scanf("%s",&book[i].bookcreat);printf("请设为1或0,1代表书还没人借，0表示书已借出，设其他值此书无法入库\n");printf("请你设定书的状态\n");scanf("%d",&book[i].truefalse);if(book[i].truefalse==1||book[i].truefalse==0){fwrite(&book[i],sizeof(struct book),1,fp);i++;printf("\n");}elseprintf("此书无法入库\n");printf("是否要输入下本书(y/n)\n");scanf("%s",&choice);}fclose(fp);}void ListBook(){FILE *fp;char cc;if((fp=fopen("book.txt","r"))==NULL){printf("Error!\n");return;}cc=fgetc(fp);if(cc==EOF){printf("目前尚无入库书籍，请先添加！");printf("按任意键返回\n");getch();return;}fclose(fp);fp=fopen("book.txt","r");for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++)printf("第%d本书<序号:%d 书名:%s 作者: %s 状态:%d>\n",i+1,book[i].booknum,book[i].bookname,book[i].bookcreat,book[i].truefalse);fclose(fp);printf("目前共有%d本书\n");printf("按任意键返回\n");getch();}void DelBook(){FILE *fp,*fp2;int i,flag=0,booknum;char choice;if(!(fp=fopen("book.txt","r"))){printf("目前图书馆尚无图书可供删除！请输入任意字符继续\n");getch();return;}fp2=fopen("book1.txt","w");printf("请输入你要删除图书的序号\n");scanf("%d",&booknum);for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++)if(booknum==book[i].booknum){flag++;if(book[i].truefalse==1)printf("这本书的详细资料是:序号:%d 书名:%s 作者: %s 此书无人借阅\n",book[i].booknum,book[i].bookname,book[i].bookcreat);elseprintf("这本书的详细资料是:序号:%d 书名:%s 作者: %s 此书已借出\n",book[i].booknum,book[i].bookname,book[i].bookcreat);}elsefwrite(&book[i],sizeof(struct book),1,fp2);}if(flag==0){printf("没有你要查询的书籍\n");getch();return;}fclose(fp);fclose(fp2);printf("是否真的要删除书籍？删除后该书籍的所有信息将无法恢复《Y/N》\n");scanf("%s",&choice);if(choice=='y'||'Y'){fp=fopen("book.txt","w");fp2=fopen("book1,txt","r");for(i=0;fread(&book[i],sizeof(struct book),1,fp2)!=0;i++){if(booknum!=book[i].booknum)fwrite(&book[i],sizeof(struct book),1,fp);}fclose(fp);fclose(fp2);printf("按任意键返回\n");getch();return;}else{printf("按任意键返回\n");getch();return;}}void ChangeBook(){FILE *fp,*fp2;int booknum;int i,flag=0,choice,trueflase;char cc;if((fp=fopen("book.txt","r"))==NULL){printf("Error!\n");return;}cc=fgetc(fp);if(cc==EOF){printf("目前尚无入库书籍，请先添加！");printf("按任意键返回\n");getch();return;}fclose(fp);fp=fopen("book.txt","r");fp2=fopen("book1.txt","w");printf("请输入你要修改图书的序号\n");scanf("%d",&booknum);for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++){if(booknum==book[i].booknum)flag++;}if(flag==0){printf("查无此书\n");getch();return;}fclose(fp);fp=fopen("book.txt","r");for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++){if(booknum==book[i].booknum){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:<%d> 书名:<%s> 作者:<%s> 状态:<%d>\n",book[i].booknum,book[i].bookname,book[i].bookcreat,book[i].truefalse);printf("1:修改书的序号\n");printf("2:修改书名\n");printf("3:修改作者\n");printf("4:修改状态\n");printf("请输入1-4：");scanf("%d",&choice);switch(choice){case 1:printf("请输入新的序号\n");scanf("%d",&book[i].booknum);break;case 2:printf("请输入新的书名\n");scanf("%s",&book[i].bookname);break;case 3:printf("请输入新的作者\n");scanf("%s",&book[i].bookcreat);break;case 4:printf("请输入新的状态\n");scanf("%d",&book[i].truefalse);if(book[i].truefalse==1||book[i].truefalse==0)book[i].truefalse=trueflase;break;default:printf("输入错误，返回\n");break;}}fwrite(&book[i],sizeof(struct book),1,fp2);}fclose(fp);fclose(fp2);fp=fopen("book.txt","w");fp2=fopen("book1,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("book1.txt","w");fclose(fp2);printf("修改完毕，按任意键返回\n");getch();return;}void FindBook(){FILE *fp;int i,flag=0;char cc,bookname[10];if((fp=fopen("book.txt","r"))==NULL){printf("Error!\n");return;}cc=fgetc(fp);if(cc==EOF){printf("目前尚无入库书籍，请先添加！");printf("按任意键返回\n");getch();return;}fclose(fp);fp=fopen("book.txt","r");printf("请输入你要查找图书的序号\n");scanf("%d",&bookname);for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++){if((bookname,book[i].bookname)==0){flag++;if(book[i].truefalse==1)printf("这本书的详细资料是:序号:%d 书名:%s 作者: %s 此书无人借阅\n",book[i].booknum,book[i].bookname,book[i].bookcreat);elseprintf("这本书的详细资料是:序号:%d 书名:%s 作者: %s 此书已借出\n",book[i].booknum,book[i].bookname,book[i].bookcreat);}}if(flag!=0)printf("按任意键返回\n");elseprintf("没有你要查询的书籍\n");getch();fclose(fp);return;}void FindAuthor(){FILE *fp;char bookauthor[10];int i;if(!(fp=fopen("book.txt","r"))){printf("目前尚无图书可供查询，请输入任意字符继续\n");return;}printf("请输入你要查找的书的作者姓名\n");scanf("%s",&bookauthor);for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++){if(strcmp(bookauthor,book[i].bookcreat)==0){if(book[i].truefalse==1)printf("这本书的详细资料是:%d%s%s 此书无人借阅\n",book[i].booknum,book[i].bookname,book[i].bookcreat);else{ printf("这本书已借出\n");fclose(fp);return;}fclose(fp);return;}}printf("没有你要查询的书籍\n");fclose(fp);return;}void FindNum(){FILE *fp;int i,booknum;if(!(fp=fopen("book.txt","r"))){printf("目前尚无图书可供查询，请输入任意字符继续\n");return;}printf("请输入你要查找的书的作者姓名\n");scanf("%d",&booknum);for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++){if(booknum==book[i].booknum){if(book[i].truefalse==1)printf("这本书的详细资料是:%d%s%s 此书无人借阅\n",book[i].booknum,book[i].bookname,book[i].bookcreat);else{printf("这本书的详细资料是:序号:%d 书名:%s 作者: %s 此书已借出\n",book[i].booknum,book[i].bookname,book[i].bookcreat);}fclose(fp);return;}}printf("没有你要查询的书籍\n");fclose(fp);return;}int main(){int num1,num2,num3;char login[20],password[20];do{printf("**********************************************************\n");printf("***************欢迎进入图书馆管理系统！*******************\n");printf("**********************************************************\n");printf("~~~~~~~~~~~~~~\t\t\t\t~~~~~~~~~~~~~~~\n");printf("\t\t请你选择操作类型:\n");printf("1:<书籍管理系统>\n");printf("2:<查询系统>\n");printf("3:<借书>\n");printf("4:<还书>\n");printf("0:<退出>\n");printf("请输入0--4\n");scanf("%d",&num1);switch(num1){case 1: printf("\t 请输入用户名：");scanf("%s",login);printf("\t请输入密码:");scanf("%s",password);if(strcmp(login,"admin")==0&&strcmp(password,"admin")==0){do{printf("**********************************************************\n"); printf("***************欢迎进入图书馆管理系统！*******************\n"); printf("**********************************************************\n");printf("~~~~~~~~~~~~~~\t\t\t\t~~~~~~~~~~~~~~~\n");printf("\t\t请你选择操作类型:\n");printf("1:<增加图书>\n");printf("2:<删除图书>\n");printf("3:<修改图书>\n");printf("4:<图书列表>\n");printf("0:<退出>\n");printf("请输入0--4\n");scanf("%d",&num2);switch(num2){case 1:AddBook();break;case 2:DelBook();break;case 3:ChangeBook();break;case 4:ListBook();break;case 0:break;default:printf("无此操作，按任意键返回\n");getch();break;}}while(num2!=0);}else{printf("输入错误，按任意键返回\n");}getch();break;case 2: do{printf("------------欢迎进入图书馆查询系统！----------------\n");printf("1:<按序号查找>\n");printf("2:<按书名查找>\n");printf("3:<按作者查找>\n");printf("0:<返回>\n");printf("请输入0--3,其他输入非法！\n");scanf("%d",&num3);switch(num3){case 1:FindNum();break;case 2:FindBook();break;case 3:FindAuthor();break;case 0:break;default:printf("无此操作\n");getch();break;}}while(num3!=0);break;case 3:BorrowBook();break;case 4:ReturnBook();break;case 0:break;default:printf("无此操作，按任意键返回\n");getch();break;}} while(num1!=0);return 0;}。