第一种:

Double a=0.06;

Double b=0.01;

BigDecimal addend = BigDecimal.valueOf(a);

BigDecimal augend = BigDecimal.valueOf(b);

--

第二种

Double a=0.06;

Double b=0.01;

BigDecimal addend = new BigDecimal(a.toString());

BigDecimal augend = new BigDecimal(b.toString());