public class OverDiscountPrimeStrategy extends OverDiscountStrategy {





	public BigDecimal getDiscount(BigDecimal total) {

		// 满100减20优惠*会员7折:

		BigDecimal temp=super.getDiscount(total);//满减后折后

			return temp.add(total.subtract(temp).multiply(new BigDecimal("0.3")).setScale(2, RoundingMode.DOWN));

	}

}