c: dat file

/**
 * 写文件 .dat file.
 * 
 */
void writingDatFile()
{
	int i;
	FILE *outFile;
	float price[] = { 39.5,3.22,1.03 };
	string *descrip;


	//char descrip[] = { "苹果","香焦","䔧"}; //,"\0"
	//char* str_arr[] = { "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday" };
	string descrip2[] = { "苹果","香焦","䔧" };
	descrip = descrip2;

	outFile = fopen("prices.dat", "w");
	if (outFile == NULL)
	{
		printf("文件不存在！");
		ofstream fout(outFile); //创建文件
	}
	for (i = 0; i < 3; ++i)
	{
		fprintf(outFile, "%-9s  %5.2f\n", descrip[i], price[i]);
	}
	fclose(outFile);

}
/**
 * 读文件 .dat file.
 * 
 */
void readDatFile()
{
	FILE* inFile;
	float price;
	string* descrip[10];
	inFile = fopen("prices.dat", "r");
	if (inFile == NULL)
	{
		printf("\n 文件不存在");
		exit(0);
	}
	while (fscanf(inFile, "%s %f", descrip, &price) != EOF)
	{
		printf("%-9s %5.2f\n", descrip, price);
	}
	fclose(inFile);

}