//传入参数是文件的绝对路径
int  iGetFileSize(char *filepath)
{
	int  temp;
	FILE * fp;
	fp = fopen( filepath,"r");

	fseek(fp,0L,SEEK_END);	
	size = ftell(fp);
	// printf("filelength is %d KB\n",size);
	getch();
		   
	return size;
}