package com.testEmp; import java.text.DecimalFormat; public class NumberFormat { public static void main(String[] args) { System.out.println(toWestNumFormat(1)); System.out.println(toWestNumFormat(123)); System.out.println(toWestNumFormat(145676)); S
double d = 123456.789; DecimalFormat df = new DecimalFormat("#,##0.00"); System.out.println(df.format(d)); 四舍五入保留2位小数: String.format("%.2f", value); JS中数字的计算,第一个方法用于计算,第二个用于千分位显示 Math.formatFloat = function (f, digit) { var m = Math.po