function indexNumFormat(num) {
	switch (num) {
		case 0:
			num = "Ⅰ";
			break;
		case 1:
			num = "Ⅱ";
			break;
		case 2:
			num = "Ⅲ";
			break;
		case 3:
			num = "Ⅳ";
			break;
		case 4:
			num = "Ⅴ";
			break;
		case 5:
			num = "Ⅵ";
			break;
		case 6:
			num = "Ⅶ";
			break;
		case 7:
			num = "Ⅷ";
			break;
		case 8:
			num = "Ⅸ";
			break;
	}
	return num;
}

module.exports = {
	indexNumFormat: indexNumFormat
}