cpp3.cpp

来自「C语言相关程序」· C++ 代码 · 共 32 行

#include<stdlib.h>
#include<stdio.h>
main()
{
	struct
	{
		char name[20];
		long num;
		float score;
	}stud;
	char numstr[81],ch;
	FILE *fp;
	if((fp=fopen("stud.rec","wb"))==NULL)
	{
		printf("can't open file stud.rec");
		exit(0);
	}
	do
	{
		printf("\n enter name:");
		gets(stud.name);
		printf("enter number:");gets(numstr);stud.num=atol(numstr);
		printf("enter score:");gets(numstr);stud.score=atof(numstr);

		fwrite(&stud,sizeof(stud),1,fp);
		printf("have another student record(y/n)?");
		ch=getchar();getchar();
	}
	while(ch=='y');
		fclose(fp);
}