refactor(mall): 重构DTO和控制器结构并添加验证注解

Administrator

2026-06-12 07b964209ad7ff91def2ed1962c5a02441710d86

 src/main/java/cc/mrbird/febs/mall/entity/MallOrderItem.java

@@ -55,4 +55,7 @@

    @TableField(exist = false)
    private String unit;

    @TableField(exist = false)
    private BigDecimal itemAmount;
}