java.math.BigDecimal不可变的、任意精度的有符号十进制数。BigDecimal由任意精度的整数非标度值和32位的整数标度(scale)组成。如果为零或正数，则标度是小数点后的位数。如果为负数，则将该数的非标度值乘以10的负scale次幂。因此，BigDecimal表示的数值是(unscaledValue×10-scale)。与之相关的还有两个类：java.math.MathCon......

/***数字转汉字工具类**@author:Nemo2017年7月14日*/publicclassNumberUtils{privatestaticfinalString[]UNITS={"","十","百","千","万","十","百","千","亿","十","百","千",};privatestaticfinalString[]NUMS={"零","一","二","三","四","五","......