c语言图书管理

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1、#include#include#includestructbook{intnum;charname[80];charwriter[80];charpublish[80];chartype[80];chartime[20];doubleprice;intreserve;};longsize;structstudent{intstunum;charname[80];intbooknum[3];}student[100J;longgetlongcountl()〃

2、*文件长度*〃{FILE*fp;fp=fopen(ufl.txt,,,,,rb,');longbegin,end,longcount;fseek(fp,0L,0);begin=ftell(fp);fseek(fp,0L,2);end=ftell(fp);longcount=(end-begin)/size;returnlongcount;fclose(fp);}longgetlongcount2()//*文件长度*〃{FILE*fp;size=sizeof(structstudent);fp=fopen(,,f2.

3、txt,,；,rbu);longbegin,end,longcount;fseek(fp,0L,0);begin=ftell(fp);fseek(fp,0L,2);end=ftell(fp);longcount=(end-begin)/size;returnlongcount;fclose(fp);voidadd()//*图书信息录入*〃{FILE*fp;fp=fopen(Hfl.txtH,nabH);structbooklog;fseek(fp,0L,2);printfC*请输入图书编号书名作者出版社类別出版时间

4、价格现有库存量:-);scanf("%d%s%s%s%s%s%lf%d",&log.num,log.name,log.writer,log.publish,log.type,log.time,&log.price,&log.reserve);fwrite(&log,size丄fp);〃*写入*〃fclose(fp);voidoutput()//*图书信息浏览*//{FILE*fp;fp=fopen(ufl.txt,,；,rbu);structbooklog;size=sizeof(structbook);fse

5、ek(fp,0L,0);fread(&log,size,1,fp);printfC图书编号书名作者出版社类别出版时间价格现有库存量：”)；while(!feof(fp)){printf("%d%s%s%s%s%s%.21f%d",log.numjog.nameJog.writer,log•publish,log.type,log.time,log.pricejog.reserve);fwad(&log，size丄fp);)fclose(fp);voidfindl()//*按书名查询*〃FILE*fp;fp=

6、fopen(uf1.txt',,,'rb");structbooklog;inttemp=0;chars[80];print”请输入书名:”);scanf("%s",s);fseek(fp,0L,0);fread(&log,size,l,fp);while(!feof(fp)){if(strcmp(log.name,s)==0){printfC*图书编号书名作者出版社类别出版时间价格现有库存量：“)；printf(H%d%s%s%s%s%s%.21f%d,,,log.num,log.namejog.wr

7、iterJog.publish,log.typejog.timejog.pricejog.reserve);temp=l;}fread(&log,sizc,1,fp);)计(temp==0)printf("不好意思,木有你所需要图书的信息:”)；fclose(fp);}voidfind2()//*按作者杏询*〃{FILE*fp;fp二fopen(”fl.txt；Tb“)；structbooklog;inttemp=0;charn[80];print"请输入作者姓名:”)；scanf("%s",n);fseek(

8、fp,0L,0);fread(&log,size,1,fp);while(!feof(fp)){if(strcmp(log.writer,n)==0){printfC1图书编号书名作者出版社类别出版时间价格现有库存量:*');printf(H%d%s%s%s%s%s%.21f%du,log.numjog.name,log.writer,log.pub