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 50typedef 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;typedef struct { int bno; int RecNo;}BidxRecType;typedef struct { BidxRecType BnoIdx[BookSize]; int len;}BnoIdxFile;typedef struct { char bname[21]; int lhead; int RecNum;}BNRecType;typedef struct { BNRecType LHFrecl[BLHum]; int len1;}LHFile1;typedef struct { char author[9]; int lhead; int RecNum;}BARecType;typedef struct { BARecType LHFrec2[BLHnum]; int len2;}LHFile2;typedef struct { char press[11]; int lhead; int RecNum;}BPRecType;typedef struct { BPRecType LHFrec3[BLHnum]; int len3;}LHFile3;typedef struct { int rno; char name[8]; int bn1; int bn2;}RRecType;typedef struct { RRecType ReadRec[RRnum]; int len;}ReadFile;typedef struct { int rno; int bno; char date1[9]; char date2[9];}BbookRecType;typedef struct { BbookRecType Bbook[BookSize]; int len;}BbookFile;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;}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;}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;}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;}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;}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;}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;}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;}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;}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("%4d\n", df.BookDbase[i].storenum - df.BookDbase[i].borrownum); printf("==============================================\n");}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; } }}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");}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");}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;}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);}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);}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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