readfile.cpp

本源码为C++版的图书馆管理系统

# include <iostream.h>
# include <string>
# include <math.h>
# include <stdio.h>
# include <malloc.h>

void readfile(BookDbaseFile &df,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.txt","rb");
	i=1;
	while(!feof(fp))
	{
		fread(&df.BookDbase[i],sizeof(BookRecType),1,fp);
		i++;
		if(feof(fp))
			break;
	}
	df.len=i-1;
	fclose(fp);

    //读书号索引文件
	fp=fopen("bidx.txt","rb");
	i=1;
	while(!feof(fp))
	{
		fread(&bif.BnoIdx[i],sizeof(BidxRecType),1,fp);
		i++;
	}
	bif.len=i-1;
	fclose(fp);

	//读书名链头文件
	fp=fopen("nidx.txt","rb");
	i=1;
	while(!feof(fp))
	{
		fread(&f1.LHFrec1[i],sizeof(BNRecType),1,fp);
		i++;
	}
	f1.len1=i-1;
	fclose(fp);

	//读作者索引文件
	fp=fopen("aidx.txt","rb");
	i=1;
	while(!feof(fp))
	{
		fread(&f2.LHFrec2[i],sizeof(BARceType),1,fp);
		i++;
	}
	f2.len2=i-1;
	fclose(fp);

	//读出版社索引文件
	fp=fopen("pidx.txt","rb");
	i=1;
	while(!feof(fp))
	{
		fread(&f3.LHFrec3[i],sizeof(BPRecType),1,fp);
		i++;
	}
	f3.len3=i-1;
	fclose(fp);

	//读读者文件
	fp=fopen("read.txt","rb");
	i=1;
	while(!feof(fp))
	{
		fread(&rf.ReadRec[i],sizeof(RRecType),1,fp);
		i++;
	}
	rf.len=i-1;
	fclose(fp);

	//读借还书文件
	fp=fopen("bbff.txt","rb");
	i=1;
	while(!feof(fp))
	{
		fread(&bbf.Bbook[i],sizeof(BbookRecType),1,fp);
		i++;
	}
	bbf.len=i-1;
	fclose(fp);
}