一、BigDecimal1、去掉尾部多余02、数据比较 一、BigDecimal 1、去掉尾部多余0 BigDecimal num = new BigDecimal(“100.000”); BigDecimal numNoEndZero = num.stripTrailingZeros(); //numNoEndZero :1E+2 String numNoEndZeroStr =numNoEndZero.toPlainString(); //100 2、数据比较compareTo