src/test/java/com/lunhan/water/DateTimeTest.java
@@ -11,11 +11,13 @@ public class DateTimeTest { @Test public void time2BCDTest() { String c="3"; BigDecimal a=new BigDecimal(0.1); BigDecimal b=BigDecimal.ZERO; BigDecimal bigDecimal = a.multiply(new BigDecimal(c)).setScale(2, BigDecimal.ROUND_DOWN); System.out.println(b.add(bigDecimal)); BigDecimal a=new BigDecimal(0.3); BigDecimal b=new BigDecimal(0.2); if(a.compareTo(b)<0){ System.out.println("余额不足"); } } }