添加项目文件。

Atomx.Common/Entities/ProductAttributeCombination.cs

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+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Atomx.Common.Entities
+{
+    /// <summary>
+    /// 产品属性组合商品数据
+    /// </summary>
+    [Table("ProductAttributeCombinations")]
+    public class ProductAttributeCombination
+    {
+        /// <summary>
+        /// 数据ID
+        /// </summary>
+        [DatabaseGenerated(DatabaseGeneratedOption.None)]
+        [Key]
+        public long Id { get; set; }
+
+        /// <summary>
+        /// 产品ID
+        /// </summary>
+        public long ProductId { get; set; }
+
+        /// <summary>
+        /// 归属公司ID
+        /// </summary>
+        public long CorporationId { get; set; }
+
+        /// <summary>
+        /// 供应制造商ID
+        /// </summary>
+        public long ManufacturerId { get; set; }
+
+        /// <summary>
+        /// 属性JSON
+        /// </summary>
+        [Column(TypeName = "text")]
+        public string AttributesJson { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 库存数量
+        /// </summary>
+        public int StockQuantity { get; set; }
+
+        /// <summary>
+        /// 销售数量
+        /// </summary>
+        public int SalesQuantity { get; set; }
+
+        /// <summary>
+        /// SKU编码
+        /// </summary>
+        [Column(TypeName = "varchar(20)")]
+        public string SkuNumber { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 重量
+        /// </summary>
+        [Column(TypeName = "decimal(18,4)")]
+        public decimal Weight { get; set; }
+
+        /// <summary>
+        /// 重量单位，1克，2千克，3磅，4盎司
+        /// </summary>
+        public int WeightUnit { get; set; }
+
+        /// <summary>
+        /// 销售加工费
+        /// </summary>
+        [Column(TypeName = "decimal(18,4)")]
+        public decimal ProcessCharge { get; set; }
+
+        /// <summary>
+        /// 加工费成本
+        /// </summary>
+        [Column(TypeName = "decimal(18,4)")]
+        public decimal ProcessCost { get; set; }
+
+        /// <summary>
+        /// 销售附加费
+        /// </summary>
+        [Column(TypeName = "decimal(18,4)")]
+        public decimal Surcharge { get; set; }
+
+        /// <summary>
+        /// 附加费成本
+        /// </summary>
+        [Column(TypeName = "decimal(18,4)")]
+        public decimal SurchargeCost { get; set; }
+
+        /// <summary>
+        /// SKU的市场价，划线价
+        /// </summary>
+        [Column(TypeName = "decimal(18,4)")]
+
+        public decimal MarketPrice { get; set; }
+
+        /// <summary>
+        /// SKU的销售价格
+        /// </summary>
+        [Column(TypeName = "decimal(18,4)")]
+
+        public decimal Price { get; set; }
+
+        /// <summary>
+        /// 标记
+        /// </summary>
+        public int Mark { get; set; }
+
+        /// <summary>
+        /// 备注说明
+        /// </summary>
+        [Column(TypeName = "varchar(255)")]
+        public string Note { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 是否禁用停售
+        /// </summary>
+        public bool Enabled { get; set; }
+
+        /// <summary>
+        /// 更新时间
+        /// </summary>
+        [Column(TypeName = "timestamptz")]
+        public DateTime? UpdateTime { get; set; }
+    }
+}