实体类 商品品牌表(products_brand)

本文深入探讨了商品品牌管理系统的构建过程,包括核心组件设计、关键功能实现以及如何通过优化品牌与商品之间的关系提升用户体验。通过详细阐述品牌编号、品牌内容和商品类型编号等关键要素,为电商领域提供了实用的解决方案。

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package cn.entity;

/*
 * 商品品牌表(products_brand)
 * */
public class ProductsBrand {
	private int products_brand_id;//品牌编号
	private String products_brand_content;//品牌内容
	private int products_classify_id;//商品类型编号
	
	/*如下是封装方法和构造方法*/
	
	public ProductsBrand() {
	}
	
	public ProductsBrand(int products_brand_id, String products_brand_content,
			int products_classify_id) {
		this.products_brand_id = products_brand_id;
		this.products_brand_content = products_brand_content;
		this.products_classify_id = products_classify_id;
	}
	
	public int getProducts_brand_id() {
		return products_brand_id;
	}
	public void setProducts_brand_id(int products_brand_id) {
		this.products_brand_id = products_brand_id;
	}
	public String getProducts_brand_content() {
		return products_brand_content;
	}
	public void setProducts_brand_content(String products_brand_content) {
		this.products_brand_content = products_brand_content;
	}
	public int getProducts_classify_id() {
		return products_classify_id;
	}
	public void setProducts_classify_id(int products_classify_id) {
		this.products_classify_id = products_classify_id;
	}
}

 

using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Data; using System.Data.SqlClient; using System.Configuration; using System.Web.Services; using System.Web.Script.Services; namespace WebApplication1 { public partial class WebForm2 : System.Web.UI.Page { private readonly List<Product> _products = new List<Product> { new Product { Id = 1, Name = "专业减震跑步鞋", Category = "运动鞋", Price = 599, ImageUrl = "image/专业减震跑步鞋.jpg", Brand = "耐克", Description = "专业级减震科技,适合长距离跑步" }, new Product { Id = 2, Name = "专业篮球鞋", Category = "运动鞋", Price = 699, ImageUrl = "image/专业篮球鞋.jpg", Brand = "阿迪达斯", Description = "高帮支撑设计,保护脚踝" }, new Product { Id = 3, Name = "多功能运动背包", Category = "运动装备", Price = 299, ImageUrl = "image/多功能运动背包.jpg", Brand = "彪马" }, new Product { Id = 4, Name = "专业运动智能手表", Category = "运动配件", Price = 799, ImageUrl = "image/专业运动智能手表.jpg", Brand = "Apple" }, new Product { Id = 5, Name = "速干透气运动T恤", Category = "运动服饰", Price = 199, ImageUrl = "image/速干透气运动T恤.jpg", Brand = "耐克" }, new Product { Id = 6, Name = "弹性运动短裤", Category = "运动服饰", Price = 159, ImageUrl = "image/弹性运动短裤.jpg", Brand = "阿迪达斯" } }; // 用户实体类 public class User { } // 商品实体类 public class Product { public int Id { get; set; } public string Name { get; set; } public string Category { get; set; } public decimal Price { get; set; } public string ImageUrl { get; set; } public string Description { get; set; } public string Brand { get; set; } } public class CartItem { public int ProductId { get; set; } public string ProductName { get; set; } public decimal Price { get; set; } public int Quantity { get; set; } public string ImageUrl { get; set; } } protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { // 记录用户浏览记录(示例) if (Session["UserID"] != null) { int userId = Convert.ToInt32(Session["UserID"]); LogUserBrowse(userId, 1); // 假设浏览了商品ID=1 } } } private List<Product> GetRecommendedProducts() { List<Product> products = new List<Product>(); if (Session["UserID"] == null) return products; int userId = Convert.ToInt32(Session["UserID"]); string connStr = ConfigurationManager.ConnectionStrings["connStr"].ConnectionString; // 读取配置 using (SqlConnection conn = new SqlConnection(connStr)) { conn.Open(); string sql = @"SELECT p.*, c.CategoryName, b.BrandName FROM tb_Product p JOIN tb_Category c ON p.CategoryID = c.CategoryID JOIN tb_Brand b ON p.BrandID = b.BrandID WHERE p.CategoryID IN ( SELECT DISTINCT CategoryID FROM tb_Product WHERE ProductID IN ( SELECT ProductID FROM tb_UserBrowse WHERE UserID=@UserID ) ) OR p.BrandID IN ( SELECT DISTINCT BrandID FROM tb_Product WHERE ProductID IN ( SELECT ProductID FROM tb_UserBrowse WHERE UserID=@UserID ) )"; using (SqlCommand cmd = new SqlCommand(sql, conn)) { cmd.Parameters.AddWithValue("@UserID", userId); using (SqlDataReader reader = cmd.ExecuteReader()) { while (reader.Read()) { // 填充 Product 对象... } } } } return products; } private void LogUserBrowse(int userId, int productId) { } } } 根据已有的前后端代码更新改善后端代码,给出完整的后端代码
最新发布
06-11
CREATE TABLE `z_product` ( `product_id` int unsigned NOT NULL AUTO_INCREMENT COMMENT '商品ID', `sku_id` varchar(20) NOT NULL COMMENT 'SKU编码', `product_name` varchar(100) NOT NULL COMMENT '商品名称', `category_id` int unsigned NOT NULL COMMENT '分类ID', `product_code` varchar(50) NOT NULL COMMENT '商品编码(如: FRUIT-APPLE-001)', `spec` json NOT NULL COMMENT '规格参数 例:500g/盒', `unit` varchar(10) NOT NULL COMMENT '单位(如:件/箱/千克)', `storage_condition` enum('常温','冷藏','冷冻') NOT NULL COMMENT '存储条件', `shelf_life_days` int DEFAULT NULL COMMENT '保质期天数', `safety_stock` int unsigned DEFAULT '0' COMMENT '安全库存', `lead_time` smallint unsigned DEFAULT NULL COMMENT '标准采购周期()', `supplier_id` int unsigned NOT NULL COMMENT '供应商ID', `batch_number` varchar(50) DEFAULT NULL COMMENT '批次号', `is_cold_chain` tinyint(1) DEFAULT '0' COMMENT '是否需要冷链运输(0-否 1-是)', `status` enum('在售','下架','待审核') DEFAULT '待审核' COMMENT '商品状态', `audit_time` datetime DEFAULT NULL COMMENT '最后审核时间', PRIMARY KEY (`product_id`), UNIQUE KEY `product_code` (`product_code`), KEY `idx_product_name` (`product_name`), KEY `supplier_id` (`supplier_id`), KEY `category_id` (`category_id`), CONSTRAINT `z_product_ibfk_1` FOREIGN KEY (`supplier_id`) REFERENCES `z_supplier` (`supplier_id`), CONSTRAINT `z_product_ibfk_2` FOREIGN KEY (`category_id`) REFERENCES `z_product_category` (`category_id`) ) ENGINE=InnoDB AUTO_INCREMENT=1003 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='生鲜商品主数据表,生成java实体类
03-28
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