Product prod2 = new Product(2L, 2, new BigDecimal("20"), "餅干", "零食"); Product prod3 = new Product(3L, 3, new BigDecimal("30"), "月餅", "零食"); Product prod4 = new Product(4L, 3, new BigDecimal("10"), "青島啤酒", "啤酒"); Product prod5 = new Product(5L, 10,...
www.dbjr.com.cn/article/2077...htm 2025-6-2