基于C语言实现图书管理信息系统设计分享！

本文实例为大家分享了图书管理信息系统的设计与实现，供大家参考，具体内容如下

  #include<stdio.h>  #include<string.h>    #define BookSize 100  #define BLHum 50  #define BLHnum 50  #define RRnum 50    /*主数据库文件*/  typedef struct {   int bno;   char bname[21];   int namenext;   char author[9];   int authnext;   char press[11];   int prenext;   char sortno[4];   int storenum;   int borrownum;  }BookRecType;  typedef struct {   BookRecType BookDbase[BookSize];   int len;  }BookDbaseFile;      /*书号索引文件*/  typedef struct {   int bno;   int RecNo;  }BidxRecType;  typedef struct {   BidxRecType BnoIdx[BookSize];   int len;  }BnoIdxFile;      /*书名链头索引文件*/  typedef struct {   char bname[21];   int lhead;   int RecNum;  }BNRecType;  typedef struct {   BNRecType LHFrecl[BLHum];   int len1;  }LHFile1;      /*作者链头索引文件*/  typedef struct {   char author[9];   int lhead;   int RecNum;  }BARecType;  typedef struct {   BARecType LHFrec2[BLHnum];   int len2;  }LHFile2;      /*出版社链头索引问件*/  typedef struct {   char press[11];   int lhead;   int RecNum;  }BPRecType;  typedef struct {   BPRecType LHFrec3[BLHnum];   int len3;  }LHFile3;      /*读者文件*/  typedef struct {   int rno;   char name[8];   int bn1;   int bn2;  }RRecType;  typedef struct {   RRecType ReadRec[RRnum];   int len;  }ReadFile;      /*借还书文件*/  typedef struct {   int rno;   int bno;   char date1[9];   char date2[9];  }BbookRecType;  typedef struct {   BbookRecType Bbook[BookSize];   int len;  }BbookFile;      /*追加一条图书记录建立相关文件*/  BookDbaseFile AppeDBaseRec(BookDbaseFile df)  {   int i;   printf("书号 书名 作者名 出版社 分类 藏书量n");   scanf("%d%s", df.BookDbase[i].bno, df.BookDbase[i].bname);   scanf("%s%s", df.BookDbase[i].author, df.BookDbase[i].press);   scanf("%s %d", df.BookDbase[i].sortno, &df.BookDbase[i].storenum);   df.BookDbase[i].borrownum = 0;   return df;  }    /*修改书号索引表的设计*/  BnoIdxFile ChangeBnoIdxF(BookDbaseFile df, BnoIdxFile bif)  {   int i, j, k = 1;   i = df.len;   j = bif.len;   while (j >= 1)   {    if (df.BookDbase[i].bno>bif.BnoIdx[j].bno)    {     k = j + 1;     break;    }    j--;   }   if (bif.len>0)    for (j = bif.len; j >= k; j--)     bif.BnoIdx[j + 1] = bif.BnoIdx[j];   bif.BnoIdx[k].bno = df.BookDbase[i].bno;   bif.BnoIdx[k].RecNo = i;   bif.len++;   return bif;  }      /*修改书名索引以及书名链头索引的设计*/  LHFile1 ChangeLinkHeadF1(BookDbaseFile *df, LHFile1 lhf1)  {   int i, j, k, m;   char sm[21];   i = df->len;   strcpy(sm , df->BookDbase[i].bname);   j = 1;   k = 0;   while (j <= lhf1.len1)   {    if (strcmp(sm, lhf1.LHFrecl[j].bname) == 0)    {     k = j;     break;    }    j++;   }   if (k != 0)   {    df->BookDbase[i].namenext = lhf1.LHFrecl[k].lhead;    lhf1.LHFrecl[k].lhead = i;    lhf1.LHFrecl[k].RecNum++;   }   else   {    m = ++lhf1.len1;    df->BookDbase[i].namenext = 0;    lhf1.LHFrecl[m].lhead = i;    lhf1.LHFrecl[m].RecNum = 1;    strcpy(lhf1.LHFrecl[m].bname, sm);   }   return lhf1;  }      /*修改作者索引以及作者链头索引表的设计*/  LHFile2 ChangeLinkHeadF2(BookDbaseFile *df, LHFile2 lhf2)  {   int i, j, k, m;   char zz[9];   i = df->len;   strcpy(zz, df->BookDbase[i].author);   j = 1;   k = 0;   while (j <= lhf2.len2)   {    if (strcmp(zz, lhf2.LHFrec2[j].author) == 0)    {     k = j;     break;    }    j++;   }   if (k != 0)   {    df->BookDbase[i].authnext = lhf2.LHFrec2[k].lhead;    lhf2.LHFrec2[k].lhead = i;    lhf2.LHFrec2[k].RecNum = 1;    strcpy(lhf2.LHFrec2[m].author, zz);   }   return lhf2;  }      /*修改出版社的索引以及出版社链头索引表的设计*/  LHFile3 ChangeLinkHeadF3(BookDbaseFile *df, LHFile3 lhf3)  {   int i, j, k, m;   char cbs[11];   i = df->len;   strcpy(cbs, df->BookDbase[i].press);   j = 1;   k = 0;   while (j <= lhf3.len3)   {    if (strcmp(cbs, lhf3.LHFrec3[j].press) == 0)    {     k = j;     break;    }    j++;   }   if (k != 0)   {    df->BookDbase[i].prenext = lhf3.LHFrec3[k].lhead;    lhf3.LHFrec3[k].lhead = i;    lhf3.LHFrec3[k].RecNum++;   }   else   {    m = ++lhf3.len3;    df->BookDbase[i].prenext = 0;    lhf3.LHFrec3[m].lhead = i;    lhf3.LHFrec3[m].RecNum = i;    strcpy(lhf3.LHFrec3[m].press, cbs);   }   return lhf3;  }      /*用二分查找实现书号查询算法*/  int BinSearch(BnoIdxFile bif, int key)  {   int low, high, mid;   low = 1;   high = bif.len;   while (low <= high)   {    mid = (low + high) / 2;    if (key == bif.BnoIdx[mid].bno)     return bif.BnoIdx[mid].RecNo;    else     if (key<bif.BnoIdx[mid].bno)      high = mid - 1;     else      low = mid + 1;   }   return 0;  }      /*按书名查询算法的设计*/  int BnameFind(LHFile1 lhf1, char key[])  {   int i, k = 0;   for (i = 1; i<=lhf1.len1;i++)   {    if (strcmp(key, lhf1.LHFrecl[1].bname) == 0)    {     k = lhf1.LHFrecl[i].lhead;     break;    }   }   return k;  }      /*按作者查询算法的设计*/  int BauthFind(LHFile2 lhf2, char key[])  {   int i, k = 0;   for (i = 1; i <= lhf2.len2; i++)   {    if (strcmp(key, lhf2.LHFrec2[i].author) == 0)    {     k = lhf2.LHFrec2[i].lhead;     break;    }   }   return k;  }    /*按出版社查询算法的设计*/  int BnameFind(LHFile3 lhf3, char key[])  {   int i, k = 0;   for (i = 1; i <= lhf3.len3; i++)   {    if (strcmp(key, lhf3.LHFrec3[i].press) == 0)    {     k = lhf3.LHFrec3[i].lhead;     break;    }   }   return k;  }    /*输出一条图书主数据库记录的设计*/  void ShowRec(BookDbaseFile df, int i)  {   printf("书号 书名 作者名 出版社 分类号 可借数n");   printf("==============================================n");   printf("%d%12s", df.BookDbase[i].bno, df.BookDbase[i].bname);   printf("%8s%12s", df.BookDbase[i].author, df.BookDbase[i].press);   printf("%6s", df.BookDbase[i].sortno);   printf("%4dn", df.BookDbase[i].storenum - df.BookDbase[i].borrownum);   printf("==============================================n");  }    /*图书查询控制程序设计*/  void SearchBook(BookDbaseFile df, BnoIdxFile bif, LHFile1 f1, LHFile2 f2, LHFile3 f3)  {   char sm[21], zz[9],cbs[11];   int i, k, choose = 1;   int sh;   while (choose >= 1 && choose <= 5)   {    printf("图书查询子系统n");    printf("------------------n");    printf("1.书 号  2.书 名n");    printf("3.作 者  4.出版社n");    printf("5.退 出 查 询");    printf("------------------n");    printf(" 请 用 户 选 择：");    scanf("%d", &choose);    switch (choose)    {    case 1:     printf("输入学号：");     scanf("%d", &sh);     k = BinSearch(bif, sh);     if (k == 0) {      printf("没有要检查的图书，请检查是否输入有错n");      break;     }     ShowRec(df, k);     break;      case 2:     printf("输入书名：");     scanf("%", &sm);     k = BnameFind(f1, sm);     if (k == 0) {      printf("没有要检查的图书，请检查是否输入有错n");      break;     }     for (i = k; i; i = df.BookDbase[i].namenext)      ShowRec(df, i);     break;      case 3:     printf("输入作者名：");     scanf("%s", &zz);     k = BauthFind(f2, zz);     if (k == 0) {      printf("没有要检查的图书，请检查是否输入有错n");      break;     }     for (i = k; i; i = df.BookDbase[i].authnext)      ShowRec(df, i);     break;      case 4:     printf("输入出版社：");     scanf("%s", &cbs);     k = BnameFind(f3,cbs);     if (k == 0) {      printf("没有要检查的图书，请检查是否输入有错n");      break;     }     for (i = k; i; i = df.BookDbase[i].prenext)      ShowRec(df, k);     break;      case 5:     return;    }   }  }      /*借还书处理算法*/  void BorrowBook(BookDbaseFile *bf, BnoIdxFile bif, BbookFile *bbf, ReadFile *rf)  {   char jyrq[9];   int sh, dzh;   int i, j, k = 0;   printf("输入读者号 书号 借阅日期n");   scanf("%d%d%s", &dzh, &sh, jyrq);   for (i = 1; i <= rf->len; i++)   {    if (dzh == rf->ReadRec[i].rno)    {     k = i;     break;    }   }   if (k == 0)   {    printf("非法读者！n");    return;   }   if (rf->ReadRec[k].bn2 >= rf->ReadRec[k].bn1)   {    printf("书已借满!n");    return;   }   j = BinSearch(bif, sh);   if (j == 0)   {    printf("非法书号！");     return;   }   if (bf->BookDbase[j].borrownum >= bf->BookDbase[j].storenum)   {    printf("图书已借出n");    return;   }   i = ++bbf->len;   bbf->Bbook[i].rno = dzh;   bbf->Bbook[i].bno = sh;   strcpy(bbf->Bbook[i].date1, jyrq);   rf->ReadRec[k].bn2++;   bf->BookDbase[j].borrownum++;   printf("借书成功！n");  }    /*还书处理算法的设计*/  void BackBook(BookDbaseFile *bf,BnoIdxFile bif ,BbookFile *bbf, ReadFile *rf)  {   char hsrq[8];   int sh, dzh;   int i, j, k = 0, m = 0;   printf("读者号 书号 还书日期n");   scanf("%d%d%s", &dzh, &sh, hsrq);   for (i = 1; i <= rf->len; i++)   {    if (dzh == rf->ReadRec[i].rno)    {     k = i;     break;    }   }   if (k == 0)   {    printf("非法读者！n");    return;   }   for (i = 1; i <= bbf->len; i++)    if (sh == bbf->Bbook[i].bno)    {     m = i;     break;    }   if (m == 0)   {    printf("非法书号！n");    return;   }   j = BinSearch(bif, sh);   if (j == 0)   {    printf("非法书号！n");    return;   }   rf->ReadRec[k].bn2--;   bf->BookDbase[j].borrownum--;   strcpy(bbf->Bbook[m].date2, hsrq);   printf("还书成功！n");  }    /*读者管理子系统*/  ReadFile ReaderManage(ReadFile rf)  {   int i;   char yn = 'y';   i = ++rf.len;   while (yn == 'y' || yn == 'Y')   {    printf("输入读者号 读者名 可借图书数n");    scanf("%d %s", &rf.ReadRec[i].rno, rf.ReadRec[i].name);    scanf("%d", &rf.ReadRec[i].bn1);    rf.ReadRec[i].bn2 = 0;    printf("继续输入吗？y/n:");    getchar();    scanf("%c",&yn);   }   rf.len=i-1;   return rf;  }    /*写各类文件*/  void writefile(BookDbaseFile bf, BnoIdxFile bif, LHFile1 f1, LHFile2 f2, LHFile3 f3, ReadFile rf, BbookFile bbf)  {   FILE *fp;   int i;   //图书主文件    fp = fopen("book", "wb");   for (i = 1; i <= bf.len; i++)    fwrite(&bf.BookDbase[i],sizeof(BookRecType), 1, fp);   fclose(fp);   //图书索引文件    fp = fopen("bidx", "wb");   for (i = 1; i <= bif.len; i++)    fwrite(&bif.BnoIdx[i], sizeof(BidxRecType), 1, fp);   fclose(fp);   //书名索引链头文件    fp = fopen("nidx", "wb");   for (i = 1; i <= f1.len1; i++)    fwrite(&f1.LHFrecl[i], sizeof(BNRecType), 1, fp);   fclose(fp);   //作者索引链头文件   fp = fopen("aidx", "wb");   for (i = 1; i <= f2.len2; i++)    fwrite(&f2.LHFrec2[i], sizeof(BARecType), 1, fp);   fclose(fp);   //出版社索引链头文件   fp = fopen("pidx", "wb");   for (i = 1; i <= f3.len3; i++)    fwrite(&f3.LHFrec3[i], sizeof(BPRecType), 1, fp);   fclose(fp);   //读者文件   fp = fopen("read", "wb");   for (i = 1; i <= rf.len; i++)    fwrite(&rf.ReadRec[i], sizeof(RRecType), 1, fp);   fclose(fp);   //借还书文件   fp = fopen("bbff", "wb");   for (i = 1; i <= bbf.len; i++)    fwrite(&bbf.Bbook[i], sizeof(BbookRecType), 1, fp);   fclose(fp);  }      /*读各类文件*/  void readfile(BookDbaseFile *bf, BnoIdxFile *bif, LHFile1 *f1, LHFile2 *f2, LHFile3 *f3, ReadFile *rf, BbookFile *bbf)  {   FILE *fp;   int i;   //读图书主文件   fp = fopen("book", "rb");   i = 1;   while (!feof(fp))   {    fread(&bf->BookDbase[i], sizeof(BookRecType), 1, fp);    i++;    if (feof(fp))break;   }   bf->len = i - 2;   fclose(fp);   //读书好索引文件   fp = fopen("bidx", "rb");   i = 1;   while (!feof(fp))   {    fread(&bif->BnoIdx[i], sizeof(BidxRecType), 1, fp);    i++;   }   bif->len = i - 2;   fclose(fp);   //读书名索引文件   fp = fopen("nidx", "rb");   i = 1;   while (!feof(fp))   {    fread(&f1->LHFrecl[i], sizeof(BNRecType), 1, fp);    i++;   }   f1->len1 = i - 2;   fclose(fp);   //读作者索引文件   fp = fopen("aidx", "rb");   i = 1;   while (!feof(fp))   {    fread(&f2->LHFrec2[i], sizeof(BARecType), 1, fp);    i++;   }   f2->len2 = i - 2;   fclose(fp);   //读出版社索引链头文件   fp = fopen("pidx", "rb");   i = 1;   while (!feof(fp))   {    fread(&f3->LHFrec3[i], sizeof(BPRecType), 1, fp);    i++;   }   f3->len3 = i - 2;   fclose(fp);   //读读者文件   fp = fopen("read", "rb");   i = 1;   while (!feof(fp))   {    fread(&rf->ReadRec[i], sizeof(RRecType), 1, fp);    i++;   }   rf->len = i - 2;   fclose(fp);   //读借还书文件   fp = fopen("bbff", "rb");   i = 1;   while (!feof(fp))   {    fread(&bbf->Bbook[i], sizeof(BbookRecType), 1, fp);    i++;   }   bbf->len = i - 2;   fclose(fp);  }    /*主控菜单*/  int main(void)  {   int j, m, k = 1;   char xz = 'n';   BookDbaseFile bf;   BnoIdxFile bif;   LHFile1 f1;   LHFile2 f2;   LHFile3 f3;   ReadFile rf;   BbookFile bbf;   while (k <= 5)   {    printf("图书管理系统n");    printf("============n");    printf(" 1.系统维护 n");    printf(" 2.读者管理 n");    printf(" 3.图书管理 n");    printf(" 4.图书流通 n");    printf(" 5.退出系统 n");    printf("============n");    printf(" 请选择1-5：");    scanf("%d", &k);    switch (k)    {     case 1:      printf("系统维护n");      printf("--------n");      printf("1.初始化n");      printf("2. 读 盘n");      printf("--------n");      printf("请选择：n");      scanf("%d", &m);      switch (m)      {      case 1:       printf("初始化只能做一次，需慎重！初始化吗？y/n:");       getchar();       scanf("%c", &xz);       if ( xz == 'y' || xz == 'Y')       {        bf.len = bif.len = f1.len1 = f2.len2 = 0;        f3.len3 = rf.len = bbf.len = 0;       }       break;        case 2:       readfile(&bf, &bif, &f1, &f2, &f3, &rf, &bbf);       break;      }      break;       case 2:      ReaderManage(rf);      break;       case 3:      printf("图书管理子系统n");      printf("--------------n");      printf("1.图书信息输入n");      printf("2.图书信息查询n");      printf("--------------n");      printf(" 请 选 择 ：");      scanf("%d", &j);      if (j == 1)      {       char yn = 'y';       int k = 1;       while (yn = 'y' || yn == 'Y')       {        bf = AppeDBaseRec(bf);        bif = ChangeBnoIdxF(bf, bif);        f1 = ChangeLinkHeadF1(&bf, f1);        f2 = ChangeLinkHeadF2(&bf, f2);        f3 = ChangeLinkHeadF3(&bf, f3);        ShowRec(bf, k);        k++;        printf("继续输入吗？y/n:");        getchar();        scanf("%c", &yn);       }      }      else       SearchBook(bf, bif, f1, f2, f3);      break;       case 4:       printf("图书流通子系统n");       printf("--------------n");       printf(" 1. 借书处理 n");       printf(" 2. 还书处理 n");       printf("--------------n");       printf(" 请 选 择 : n");       scanf("%d", &j);       if (j == 1)        BorrowBook(&bf, bif, &bbf, &rf);       else if (j == 2)        BackBook(&bf, bif, &bbf, &rf);       break;        case 5:       printf("系统正在写盘，请稍后......n");       writefile(bf, bif, f1, f2, f3, rf, bbf);       printf("再见！n");       return 0;    }     }  }  

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