flopen.c

来自「用C语言编写的订票系统,功能都能实现,附有源码和可执行文件」· C语言 代码 · 共 29 行

#include "HeadMain.h"

int FlOpen()
{
	struct Flight* FPtr;
	FILE* fp;
	if(!(fp = fopen("Flight.data", "r+")))
	{
		fp = fopen("Flight.data", "w+");
		OpenErr();
		return 0;
	}
	//开始读取文件
	while(!feof(fp))
	{
		FPtr = (struct Flight*)malloc(sizeof(struct Flight));
		FPtr->Front = FPtr->Next = NULL;
		fscanf(fp, "%s %s %s %s %s %d %d %d\n", 
			FPtr->ID, FPtr->TakeOffT, FPtr->LandingT, FPtr->TCity, FPtr->ArrCity, &FPtr->Price,& FPtr->Discount, &FPtr->Amount);
		if(!FInsert(FPtr))		//插入链表失败
		{
			InitErr();
			fclose(fp);
			return 0;
		}
	}
	fclose(fp);
	return 1;
}