添加项目文件。

Atomx.Common/Entities/OrderItem.cs

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+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Atomx.Common.Entities
+{
+    /// <summary>
+    /// 订单详情数据
+    /// </summary>
+    [Table("OrderItems")]
+    public class OrderItem
+    {
+        /// <summary>
+        /// 订单商品明细ID
+        /// </summary>
+        [DatabaseGenerated(DatabaseGeneratedOption.None)]
+        [Key]
+        public long Id { get; set; }
+
+        /// <summary>
+        /// 订单ID
+        /// </summary>
+        public long OrderId { get; set; }
+
+        /// <summary>
+        /// 平台ID，1自有商城，2淘宝，3天猫，4京东，5拼多多，6抖音，7快手，8小红书等
+        /// </summary>
+        public int PlatformId { get; set; }
+
+        /// <summary>
+        /// 下单购买用户ID
+        /// </summary>
+        public long UserId { get; set; }
+
+        /// <summary>
+        /// 仓库ID
+        /// </summary>
+        public long WarehouseId { get; set; }
+
+        /// <summary>
+        /// 产品ID
+        /// </summary>
+        public long ProductId { get; set; }
+
+        /// <summary>
+        /// 商城产品信息ID
+        /// </summary>
+        public long ProductListingId { get; set; }
+
+        /// <summary>
+        /// 销售产品的店铺ID
+        /// </summary>
+        public long StoreId { get; set; }
+
+        /// <summary>
+        /// 归属公司ID
+        /// </summary>
+        public long CorporationId { get; set; }
+
+        /// <summary>
+        /// SKU ID，0则表示无SKU ID
+        /// </summary>
+        public long SkuId { get; set; }
+
+        /// <summary>
+        /// 供应商ID
+        /// </summary>
+        public long VendorId { get; set; }
+
+        /// <summary>
+        /// 品牌ID
+        /// </summary>
+        public long ManufacturerId { get; set; }
+
+        /// <summary>
+        /// 商品名称
+        /// </summary>
+        [Column(TypeName = "varchar(255)")]
+        public string Title { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 商品封面图
+        /// </summary>
+        [Column(TypeName = "varchar(256)")]
+        public string Image { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 购买数量
+        /// </summary>
+        public int Quantity { get; set; }
+
+        /// <summary>
+        /// 是否允许退货
+        /// </summary>
+        public bool AllowReturn { get; set; }
+
+        /// <summary>
+        /// 是否允许换货
+        /// </summary>
+        public bool AllowExchange { get; set; }
+
+        /// <summary>
+        /// SKU数据 JSON信息
+        /// </summary>
+        [Column(TypeName = "text")]
+        public string AttributesJson { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 产品SKU编码
+        /// </summary>
+        [Column(TypeName = "varchar(20)")]
+        public string SkuNumber { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 运费模板ID,0表示全国免费包邮
+        /// </summary>
+        public long ShippingId { get; set; }
+
+        /// <summary>
+        /// 发货省份
+        /// </summary>
+        public long ProvinceId { get; set; }
+        /// <summary>
+        /// 发货城市
+        /// </summary>
+
+        public long CityId { get; set; }
+
+        /// <summary>
+        /// 市场价
+        /// </summary>
+        [Column(TypeName = "decimal(18,4)")]
+        public decimal MarketPrice { get; set; }
+
+        /// <summary>
+        /// 成本价单价
+        /// </summary>
+        [Column(TypeName = "decimal(18,4)")]
+        public decimal? ProductCost { get; set; }
+
+        /// <summary>
+        /// 销售价
+        /// </summary>
+        [Column(TypeName = "decimal(18,4)")]
+        public decimal Price { get; set; }
+
+        /// <summary>
+        /// 分摊优惠金额单价
+        /// </summary>
+        [Column(TypeName = "decimal(18,4)")]
+        public decimal DiscountAmount { get; set; }
+
+        /// <summary>
+        /// 卖家利润
+        /// </summary>
+        [Column(TypeName = "decimal(8,4)")]
+        public decimal StoreProfit { get; set; }
+
+        /// <summary>
+        /// 售后状态
+        /// </summary>
+        public int AfterSalesStatus { get; set; }
+
+        /// <summary>
+        /// 售后退款金额
+        /// </summary>
+        [Column(TypeName = "decimal(18,4)")]
+        public decimal RefundAmount { get; set; }
+
+        /// <summary>
+        /// 是否已晒单
+        /// </summary>
+        public bool Reviewed { get; set; }
+
+        /// <summary>
+        /// 商品留言
+        /// </summary>
+        [Column(TypeName = "varchar(100)")]
+        public string? Message { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 创建时间
+        /// </summary>
+        [Column(TypeName = "timestamptz")]
+        public DateTime CreateTime { get; set; }
+    }
+}