readfile.c

C做的图书管理系统 C做的图书管理系统

#include "TypeDef.h"
#include <stdio.h>

void ReadFile(BookDbFile *bf, BnoIdxFile *bif, BnameIdxFile *bnif, BauthorIdxFile *baif, BpressIdxFile* bpif, ReaderFile *rf, BborrowFile *bbf)
{
	//读图书主文件，书号索引链头文件，书名索引链表文件，作者索引链表文件，出版社索引链表文件,读者文件，读借还书文件
	FILE *fp = NULL;
	int idx = 1, i = 0;
	
	//*****读入图书主文件*************************
	fp = fopen("BookDbFile.yangq", "r");
	if(fp == NULL)
	{
		printf("Error : The BookDbFile.yangq is not exsit.\n");
		return;
	}
	while(!feof(fp))
	{
		fscanf(fp, "%d", &idx);
		fscanf(fp, "%s%s%d%s%d%s%d%s%d%d", 
			bf->BookDbase[idx].bno,
			bf->BookDbase[idx].bname,
			&bf->BookDbase[idx].namenext,
			bf->BookDbase[idx].author,
			&bf->BookDbase[idx].authnext,
			bf->BookDbase[idx].press,
			&bf->BookDbase[idx].prenext,
			bf->BookDbase[idx].sortno,
			&bf->BookDbase[idx].storenum,
			&bf->BookDbase[idx].borrownum);
		i++;
	}
	bf->len = i;
	fclose(fp);
	//*******************************************

	//*****读入书名索引文件***********************
	i = 0;
	fp = NULL;
	fp = fopen("BnameIdxFile.yangq", "r");
	if(fp == NULL)
	{
		printf("Error : The BnameIdxFile.yangq is not exsit.\n");
		return;
	}
	while(!feof(fp))
	{
		fscanf(fp, "%s%d%d", bnif->BnameIdx[i].bname, &bnif->BnameIdx[i].head, &bnif->BnameIdx[i].RecNum);
		i++;
	}
	bnif->len = i;
	fclose(fp);
	//*******************************************
	
	//*****读入作者索引文件**********************
	i = 0;
	fp = NULL;
	fp = fopen("BauthorIdxFile.yangq", "r");
	if(fp == NULL)
	{
		printf("Error : The BauthorIdxFile.yangq is not exsit.\n");
		return;
	}
	while(!feof(fp))
	{
		fscanf(fp, "%s%d%d", baif->BauthorIdx[i].author, &baif->BauthorIdx[i].head, &baif->BauthorIdx[i].RecNum);
		i++;
	}
	baif->len = i;
	fclose(fp);
	//*******************************************

	//*****读入出版社索引文件********************
	i = 0;
	fp = NULL;
	fp = fopen("BpressIdxFile.yangq", "r");
	if(fp == NULL)
	{
		printf("Error : The BpressIdxFile.yangq is not exsit.\n");
		return;
	}
	while(!feof(fp))
	{
		fscanf(fp, "%s%d%d", bpif->BpressIdx[i].press, &bpif->BpressIdx[i].head, &bpif->BpressIdx[i].RecNum);
		i++;
	}
	bpif->len = i;
	fclose(fp);
	//*******************************************

	//*****读入读者文件**************************
	i = 0;
	fp = NULL;
	fp = fopen("ReaderFile.yangq", "r");
	if(fp == NULL)
	{
		printf("Error : The ReaderFile.yangq is not exsit.\n");
		return;
	}
	while(!feof(fp))
	{
		fscanf(fp, "%s%s%d%d", rf->ReadRec[i].rno, rf->ReadRec[i].name, &rf->ReadRec[i].bn1, &rf->ReadRec[i].bn2);
		i++;
	}
	rf->len = i;
	fclose(fp);
	//********************************************

	//*****读入书号索引文件***********************
	i = 0;
	fp = NULL;
	fp = fopen("BnoIdxFile.yangq", "r");
	if(fp == NULL)
	{
		printf("Error : The BnoIdxFile.yangq is not exsit.\n");
		return;
	}
	while(!feof(fp))
	{
		fscanf(fp, "%d%s", &bif->BnoIdx[i].RecNo, bif->BnoIdx[i].bno);
		i++;
	}
	bif->len = i;
	fclose(fp);
	//*******************************************

	//*****读入借还书文件************************
	i = 0;
	fp = NULL;
	fp = fopen("BborrowFile.yangq", "r");
	if(fp == NULL)
	{
		printf("Error : The BborrowFile.yangq is not exsit.\n");
		return;
	}
	while(!feof(fp))
	{
		fscanf(fp, "%s%s%s%s",
			bbf->Bbook[i].rno,
			bbf->Bbook[i].bno,
			bbf->Bbook[i].date1,
			bbf->Bbook[i].date2);
		i++;
	}
	bbf->len = i;
	fclose(fp);
	//*******************************************
}