readfile.c

来自「利用C++和数据结构编写的图书管理系统!」· C语言 代码 · 共 69 行

void readfile(BookDbaseFile &bf,BnoIdxFile &bif,LHFile1 &f1, LHFile2 &f2,LHFile3 &f3, ReadFile &rf, BbookFile &bbf)
{
	FILE *fp;
	int i;
	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-1;
	fclose(fp);
	fp=fopen("bidx","rb");
	i=1;
	while(!feof(fp))
	{
		fread(&bif.BnoIdx[i],sizeof(BidxRecType),1,fp);
		i++;
	}
	bif.len=i-1;
	fclose(fp);
	fp=fopen("nidx","rb");
	i=1;
	while(!feof(fp))
	{
		fread(&f1.LHFrec1[i],sizeof(BNRecType),1,fp);
		i++;
	}
	f1.len1=i-1;
	fclose(fp);
	fp=fopen("aidx","rb");
	i=1;
	while(!feof(fp))
	{
		fread(&f2.LHFrec2[i],sizeof(BARecType),1,fp);
		i++;
	}
	f2.len2=i-1;
	fclose(fp);
	fp=fopen("pidx","rb");
	i=1;
	while(!feof(fp))
	{
		fread(&f3.LHFrec3[i],sizeof(BPRecType),1,fp);
		i++;
	}
	f3.len3=i-1;fclose(fp);
	fp=fopen("read","rb");
	i=1;
	while(!feof(fp))
	{
		fread(&rf.ReadRec[i],sizeof(RRecType),1,fp);
		i++;
	}
	rf.len=i-1;
	fclose(fp);
	fp=fopen("bbff","rb");
	i=1;
	while(!feof(fp))
	{
		fread(&bbf.Bbook[i],sizeof(BbookRecType),1,fp);
		i++;
	}
	bbf.len=i-1;
	fclose(fp);
}