java 简略工具类记录

java 简单工具类记录
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);}