图书管理信息系统的设计与实现
#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;elseif (key<bif.BnoIdx[mid].bno)high = mid - 1;elselow = 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("%4d\n", 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);}}elseSearchBook(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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