本文實例為大家分享了圖書管理信息系統的設計與實現，供大家參考，具體內容如下
#include<stdio.h>#include<string.h>#define BookSize 100#define BLHum 50#define BLHnum 50#define RRnum 50/*主數據庫文件*/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;/*書號索引文件*/typedef struct { int bno; int RecNo;}BidxRecType;typedef struct { BidxRecType BnoIdx[BookSize]; int len;}BnoIdxFile;/*書名鏈頭索引文件*/typedef struct { char bname[21]; int lhead; int RecNum;}BNRecType;typedef struct { BNRecType LHFrecl[BLHum]; int len1;}LHFile1;/*作者鏈頭索引文件*/typedef struct { char author[9]; int lhead; int RecNum;}BARecType;typedef struct { BARecType LHFrec2[BLHnum]; int len2;}LHFile2;/*出版社鏈頭索引問件*/typedef struct { char press[11]; int lhead; int RecNum;}BPRecType;typedef struct { BPRecType LHFrec3[BLHnum]; int len3;}LHFile3;/*讀者文件*/typedef struct { int rno; char name[8]; int bn1; int bn2;}RRecType;typedef struct { RRecType ReadRec[RRnum]; int len;}ReadFile;/*借還書文件*/typedef struct { int rno; int bno; char date1[9]; char date2[9];}BbookRecType;typedef struct { BbookRecType Bbook[BookSize]; int len;}BbookFile;/*追加一條圖書記錄建立相關文件*/BookDbaseFile AppeDBaseRec(BookDbaseFile df){ int i; printf("書號 書名 作者名 出版社 分類 藏書量/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;}/*修改書號索引表的設計*/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;}/*修改書名索引以及書名鏈頭索引的設計*/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鏈頭索引表的設計*/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鏈頭索引表的設計*/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;}/*用二分查找實現書號查詢算法*/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;}/*按書名查詢算法的設計*/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;}/*按作者查詢算法的設計*/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;}/*按出版社查詢算法的設計*/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;}/*輸出一條圖書主數據庫記錄的設計*/void ShowRec(BookDbaseFile df, int i){ printf("書號 書名 作者名 出版社 分類號 可借數/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");}/*圖書查詢控制程序設計*/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("圖書查詢子系統/n"); printf("------------------/n"); printf("1.書 號 2.書 名/n"); printf("3.作 者 4.出版社/n"); printf("5.退 出 查 詢"); printf("------------------/n"); printf(" 請 用 戶 選 擇："); scanf("%d", &choose); switch (choose) { case 1: printf("輸入學號："); scanf("%d", &sh); k = BinSearch(bif, sh); if (k == 0) { printf("沒有要檢查的圖書，請檢查是否輸入有錯/n"); break; } ShowRec(df, k); break; case 2: printf("輸入書名："); scanf("%", &sm); k = BnameFind(f1, sm); if (k == 0) { printf("沒有要檢查的圖書，請檢查是否輸入有錯/n"); break; } for (i = k; i; i = df.BookDbase[i].namenext) ShowRec(df, i); break; case 3: printf("輸入作者名："); scanf("%s", &zz); k = BauthFind(f2, zz); if (k == 0) { printf("沒有要檢查的圖書，請檢查是否輸入有錯/n"); break; } for (i = k; i; i = df.BookDbase[i].authnext) ShowRec(df, i); break; case 4: printf("輸入出版社："); scanf("%s", &cbs); k = BnameFind(f3,cbs); if (k == 0) { printf("沒有要檢查的圖書，請檢查是否輸入有錯/n"); break; } for (i = k; i; i = df.BookDbase[i].prenext) ShowRec(df, k); break; case 5: return; } }}/*借還書處理算法*/void BorrowBook(BookDbaseFile *bf, BnoIdxFile bif, BbookFile *bbf, ReadFile *rf){ char jyrq[9]; int sh, dzh; int i, j, k = 0; printf("輸入讀者號 書號 借閱日期/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("非法讀者！/n"); return; } if (rf->ReadRec[k].bn2 >= rf->ReadRec[k].bn1) { printf("書已借滿!/n"); return; } j = BinSearch(bif, sh); if (j == 0) { printf("非法書號！"); return; } if (bf->BookDbase[j].borrownum >= bf->BookDbase[j].storenum) { printf("圖書已借出/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("借書成功！/n");}/*還書處理算法的設計*/void BackBook(BookDbaseFile *bf,BnoIdxFile bif ,BbookFile *bbf, ReadFile *rf){ char hsrq[8]; int sh, dzh; int i, j, k = 0, m = 0; printf("讀者號 書號 還書日期/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("非法讀者！/n"); return; } for (i = 1; i <= bbf->len; i++) if (sh == bbf->Bbook[i].bno) { m = i; break; } if (m == 0) { printf("非法書號！/n"); return; } j = BinSearch(bif, sh); if (j == 0) { printf("非法書號！/n"); return; } rf->ReadRec[k].bn2--; bf->BookDbase[j].borrownum--; strcpy(bbf->Bbook[m].date2, hsrq); printf("還書成功！/n");}/*讀者管理子系統*/ReadFile ReaderManage(ReadFile rf){ int i; char yn = 'y'; i = ++rf.len; while (yn == 'y' || yn == 'Y') { printf("輸入讀者號 讀者名 可借圖書數/n"); scanf("%d %s", &rf.ReadRec[i].rno, rf.ReadRec[i].name); scanf("%d", &rf.ReadRec[i].bn1); rf.ReadRec[i].bn2 = 0; printf("繼續輸入嗎？y/n:"); getchar(); scanf("%c",&yn); } rf.len=i-1; return rf;}/*寫各類文件*/void writefile(BookDbaseFile bf, BnoIdxFile bif, LHFile1 f1, LHFile2 f2, LHFile3 f3, ReadFile rf, BbookFile bbf){ FILE *fp; int i; //圖書主文件 fp = fopen("book", "wb"); for (i = 1; i <= bf.len; i++) fwrite(&bf.BookDbase[i],sizeof(BookRecType), 1, fp); fclose(fp); //圖書索引文件 fp = fopen("bidx", "wb"); for (i = 1; i <= bif.len; i++) fwrite(&bif.BnoIdx[i], sizeof(BidxRecType), 1, fp); fclose(fp); //書名索引鏈頭文件 fp = fopen("nidx", "wb"); for (i = 1; i <= f1.len1; i++) fwrite(&f1.LHFrecl[i], sizeof(BNRecType), 1, fp); fclose(fp); //作者索引鏈頭文件 fp = fopen("aidx", "wb"); for (i = 1; i <= f2.len2; i++) fwrite(&f2.LHFrec2[i], sizeof(BARecType), 1, fp); fclose(fp); //出版社索引鏈頭文件 fp = fopen("pidx", "wb"); for (i = 1; i <= f3.len3; i++) fwrite(&f3.LHFrec3[i], sizeof(BPRecType), 1, fp); fclose(fp); //讀者文件 fp = fopen("read", "wb"); for (i = 1; i <= rf.len; i++) fwrite(&rf.ReadRec[i], sizeof(RRecType), 1, fp); fclose(fp); //借還書文件 fp = fopen("bbff", "wb"); for (i = 1; i <= bbf.len; i++) fwrite(&bbf.Bbook[i], sizeof(BbookRecType), 1, fp); fclose(fp);}/*讀各類文件*/void readfile(BookDbaseFile *bf, BnoIdxFile *bif, LHFile1 *f1, LHFile2 *f2, LHFile3 *f3, ReadFile *rf, BbookFile *bbf){ FILE *fp; int i; //讀圖書主文件 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); //讀書好索引文件 fp = fopen("bidx", "rb"); i = 1; while (!feof(fp)) { fread(&bif->BnoIdx[i], sizeof(BidxRecType), 1, fp); i++; } bif->len = i - 2; fclose(fp); //讀書名索引文件 fp = fopen("nidx", "rb"); i = 1; while (!feof(fp)) { fread(&f1->LHFrecl[i], sizeof(BNRecType), 1, fp); i++; } f1->len1 = i - 2; fclose(fp); //讀作者索引文件 fp = fopen("aidx", "rb"); i = 1; while (!feof(fp)) { fread(&f2->LHFrec2[i], sizeof(BARecType), 1, fp); i++; } f2->len2 = i - 2; fclose(fp); //讀出版社索引鏈頭文件 fp = fopen("pidx", "rb"); i = 1; while (!feof(fp)) { fread(&f3->LHFrec3[i], sizeof(BPRecType), 1, fp); i++; } f3->len3 = i - 2; fclose(fp); //讀讀者文件 fp = fopen("read", "rb"); i = 1; while (!feof(fp)) { fread(&rf->ReadRec[i], sizeof(RRecType), 1, fp); i++; } rf->len = i - 2; fclose(fp); //讀借還書文件 fp = fopen("bbff", "rb"); i = 1; while (!feof(fp)) { fread(&bbf->Bbook[i], sizeof(BbookRecType), 1, fp); i++; } bbf->len = i - 2; fclose(fp);}/*主控菜單*/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("圖書管理系統/n"); printf("============/n"); printf(" 1.系統維護 /n"); printf(" 2.讀者管理 /n"); printf(" 3.圖書管理 /n"); printf(" 4.圖書流通 /n"); printf(" 5.退出系統 /n"); printf("============/n"); printf(" 請選擇1-5："); scanf("%d", &k); switch (k) { case 1: printf("系統維護/n"); printf("--------/n"); printf("1.初始化/n"); printf("2. 讀 盤/n"); printf("--------/n"); printf("請選擇：/n"); scanf("%d", &m); switch (m) { case 1: printf("初始化只能做一次，需慎重！初始化嗎？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("圖書管理子系統/n"); printf("--------------/n"); printf("1.圖書信息輸入/n"); printf("2.圖書信息查詢/n"); printf("--------------/n"); printf(" 請 選 擇 ："); 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("繼續輸入嗎？y/n:"); getchar(); scanf("%c", &yn); } } else SearchBook(bf, bif, f1, f2, f3); break; case 4: printf("圖書流通子系統/n"); printf("--------------/n"); printf(" 1. 借書處理 /n"); printf(" 2. 還書處理 /n"); printf("--------------/n"); printf(" 請 選 擇 : /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("系統正在寫盤，請稍后....../n"); writefile(bf, bif, f1, f2, f3, rf, bbf); printf("再見！/n"); return 0; } }}以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持武林網。
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