java 简略工具类记录

public static String getDoubleNumPercent(Double doub) throws Exception {
		java.text.NumberFormat percentFormat = java.text.NumberFormat.getPercentInstance();
		percentFormat.setMaximumFractionDigits(2);
		String str = percentFormat.format(doub);// 自动转换成百分比显示..
		return str;
	}

public static String getIntNum(Integer d) throws Exception {

		DecimalFormat format = new DecimalFormat();
		format.setGroupingSize(0);
		return format.format(d);
	}