树莓派可以用wordpress/廊坊seo优化

为了实现这些功能需求，我们需要设计多个数据库表来存储相关的数据，并编写相应的Java代码来处理业务逻辑。下面是各个功能需求对应的MySQL表结构以及部分Java代码示例。

商品设置管理

商品分类管理

• 商品分类表 (product_categories)

  CREATE TABLE product_categories (id INT AUTO_INCREMENT PRIMARY KEY,category_name VARCHAR(255) NOT NULL,category_code VARCHAR(50) NOT NULL,parent_id INT DEFAULT NULL,FOREIGN KEY (parent_id) REFERENCES product_categories(id)
  );
  

单位维护

• 单位表 (units)

  CREATE TABLE units (id INT AUTO_INCREMENT PRIMARY KEY,unit_name VARCHAR(50) NOT NULL
  );
  

未上架商品

• 商品表 (products)

  CREATE TABLE products (id INT AUTO_INCREMENT PRIMARY KEY,category_id INT NOT NULL,product_code VARCHAR(50) NOT NULL,product_name VARCHAR(255) NOT NULL,market_price DECIMAL(10, 2),unit_id INT NOT NULL,main_image VARCHAR(255),carousel_images TEXT,details TEXT,status ENUM('NOT_LISTED', 'LISTED') DEFAULT 'NOT_LISTED',created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,FOREIGN KEY (category_id) REFERENCES product_categories(id),FOREIGN KEY (unit_id) REFERENCES units(id)
  );
  

已上架商品

• 商品状态表 (product_status)

  CREATE TABLE product_status (id INT AUTO_INCREMENT PRIMARY KEY,product_id INT NOT NULL,listed_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,status ENUM('LISTED', 'DELISTED') DEFAULT 'LISTED',FOREIGN KEY (product_id) REFERENCES products(id)
  );
  

交易设置管理

交易日程设置

• 交易日历表 (trading_calendar)

  CREATE TABLE trading_calendar (id INT AUTO_INCREMENT PRIMARY KEY,date DATE NOT NULL,status ENUM('OPEN', 'CLOSED') NOT NULL,preparation_time TIME,opening_time TIME,closing_time TIME,settlement_time TIME,settlement_completion_time TIME
  );
  

• 暂停节表 (pause_periods)

  CREATE TABLE pause_periods (id INT AUTO_INCREMENT PRIMARY KEY,name VARCHAR(255) NOT NULL,start_time TIME,end_time TIME
  );
  

市场开休市管理

• 市场表 (markets)

  CREATE TABLE markets (id INT AUTO_INCREMENT PRIMARY KEY,name VARCHAR(255) NOT NULL,trading_days VARCHAR(255) NOT NULL,status ENUM('OPEN', 'CLOSED') NOT NULL,next_trading_day DATE
  );
  

市场参数设置

• 市场参数表 (market_parameters)

  CREATE TABLE market_parameters (id INT AUTO_INCREMENT PRIMARY KEY,group_deposit_algorithm ENUM('FIXED', 'RATIO') NOT NULL,purchase_deposit_value DECIMAL(10, 2),purchase_fee_algorithm ENUM('FIXED', 'RATIO') NOT NULL,purchase_fee_value DECIMAL(10, 2),sale_fee_algorithm ENUM('FIXED', 'RATIO') NOT NULL,sale_fee_value DECIMAL(10, 2),interest_rate DECIMAL(10, 8)
  );
  

拼单团购管理

团购设置

• 团购设置表 (group_buying_settings)

  CREATE TABLE group_buying_settings (id INT AUTO_INCREMENT PRIMARY KEY,code VARCHAR(50) NOT NULL,name VARCHAR(255) NOT NULL,product_category_id INT NOT NULL,product_id INT NOT NULL,minimum_quantity DECIMAL(10, 2),formation_condition DECIMAL(10, 2),start_time DATETIME,end_time DATETIME,display_end_time DATETIME,status ENUM('UNSTARTED', 'ONGOING', 'COMPLETED') NOT NULL,description TEXT,FOREIGN KEY (product_category_id) REFERENCES product_categories(id),FOREIGN KEY (product_id) REFERENCES products(id)
  );
  

团购参与详情

• 团购参与表 (group_buying_participants)

  CREATE TABLE group_buying_participants (id INT AUTO_INCREMENT PRIMARY KEY,group_buying_setting_id INT NOT NULL,user_code VARCHAR(50) NOT NULL,user_name VARCHAR(255) NOT NULL,order_quantity DECIMAL(10, 2),status ENUM('PENDING_FORMATION', 'FORMED', 'EXPIRED') NOT NULL,deposit_amount DECIMAL(10, 2),formation_amount DECIMAL(10, 2),order_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP,FOREIGN KEY (group_buying_setting_id) REFERENCES group_buying_settings(id)
  );
  

集采订单管理

采购管理

• 采购订单表 (purchase_orders)

  CREATE TABLE purchase_orders (id INT AUTO_INCREMENT PRIMARY KEY,product_category_id INT NOT NULL,product_id INT NOT NULL,unit_price DECIMAL(10, 2),total_quantity DECIMAL(10, 2),total_amount DECIMAL(10, 2),total_deposit DECIMAL(10, 2),status ENUM('PENDING_PURCHASE', 'PURCHASED') NOT NULL,FOREIGN KEY (product_category_id) REFERENCES product_categories(id),FOREIGN KEY (product_id) REFERENCES products(id)
  );
  

发货订单管理

• 发货订单表 (shipping_orders)

  CREATE TABLE shipping_orders (id INT AUTO_INCREMENT PRIMARY KEY,order_number VARCHAR(50) NOT NULL,product_category_id INT NOT NULL,product_id INT NOT NULL,buyer_code VARCHAR(50) NOT NULL,buyer_name VARCHAR(255) NOT NULL,seller_code VARCHAR(50) NOT NULL,seller_name VARCHAR(255) NOT NULL,unit_price DECIMAL(10, 2),quantity DECIMAL(10, 2),deposit_amount DECIMAL(10, 2),status ENUM('WAITING_PAYMENT', 'WAITING_SHIPPING', 'WAITING_RECEIPT', 'COMPLETED') NOT NULL,FOREIGN KEY (product_category_id) REFERENCES product_categories(id),FOREIGN KEY (product_id) REFERENCES products(id)
  );
  

供求信息管理

集采预购信息

• 集采预购信息表 (pre_purchase_info)

  CREATE TABLE pre_purchase_info (id INT AUTO_INCREMENT PRIMARY KEY,product_category_id INT NOT NULL,product_id INT NOT NULL,pre_purchase_date DATE,pre_purchase_unit_price DECIMAL(10, 2),pre_purchase_quantity DECIMAL(10, 2),total_price DECIMAL(10, 2),contact_person VARCHAR(255),contact_phone VARCHAR(50),other_info TEXT,publish_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP,status ENUM('PENDING_ACCEPTANCE', 'ACCEPTED') NOT NULL,FOREIGN KEY (product_category_id) REFERENCES product_categories(id),FOREIGN KEY (product_id) REFERENCES products(id)
  );
  

销售报价信息

• 销售报价信息表 (sales_quotes)

  CREATE TABLE sales_quotes (id INT AUTO_INCREMENT PRIMARY KEY,product_category_id INT NOT NULL,product_id INT NOT NULL,pre_sale_date DATE,pre_sale_unit_price DECIMAL(10, 2),pre_sale_quantity DECIMAL(10, 2),total_price DECIMAL(10, 2),contact_person VARCHAR(255),contact_phone VARCHAR(50),other_info TEXT,publish_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP,status ENUM('PENDING_ACCEPTANCE', 'ACCEPTED') NOT NULL,FOREIGN KEY (product_category_id) REFERENCES product_categories(id),FOREIGN KEY (product_id) REFERENCES products(id)
  );
  

Java示例代码

商品分类管理 - 新增分类

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;@Service
public class ProductCategoryService {@PersistenceContextprivate EntityManager entityManager;@Autowiredprivate ProductCategoryRepository productCategoryRepository;public void addProductCategory(String categoryName, String categoryCode) {ProductCategory category = new ProductCategory();category.setCategoryName(categoryName);category.setCategoryCode(categoryCode);productCategoryRepository.save(category);}
}import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;@Entity
public class ProductCategory {@Id@GeneratedValue(strategy = GenerationType.IDENTITY)private int id;private String categoryName;private String categoryCode;private Integer parentId;// Getters and setters
}

商品管理 - 新增商品

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;@Service
public class ProductService {@PersistenceContextprivate EntityManager entityManager;@Autowiredprivate ProductRepository productRepository;@Autowiredprivate UnitRepository unitRepository;public void addProduct(int categoryId, String productCode, String productName, double marketPrice, int unitId, String mainImage, String carouselImages, String details) {Product product = new Product();product.setCategoryId(categoryId);product.setProductCode(productCode);product.setProductName(productName);product.setMarketPrice(marketPrice);product.setUnitId(unitId);product.setMainImage(mainImage);product.setCarouselImages(carouselImages);product.setDetails(details);product.setStatus("NOT_LISTED");productRepository.save(product);}
}import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;@Entity
public class Product {@Id@GeneratedValue(strategy = GenerationType.IDENTITY)private int id;private int categoryId;private String productCode;private String productName;private double marketPrice;private int unitId;private String mainImage;private String carouselImages;private String details;private String status;// Getters and setters
}

商品管理 - 上架商品

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;@Service
public class ProductService {@PersistenceContextprivate EntityManager entityManager;@Autowiredprivate ProductRepository productRepository;public void listProduct(int productId) {Product product = productRepository.findById(productId).orElse(null);if (product != null) {product.setStatus("LISTED");productRepository.save(product);}}
}

市场参数设置 - 修改参数

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;@Service
public class MarketParameterService {@PersistenceContextprivate EntityManager entityManager;@Autowiredprivate MarketParameterRepository marketParameterRepository;public void updateMarketParameters(String groupDepositAlgorithm, Double purchaseDepositValue, String purchaseFeeAlgorithm, Double purchaseFeeValue, String saleFeeAlgorithm, Double saleFeeValue, Double interestRate) {MarketParameters parameters = marketParameterRepository.findById(1L).orElse(null);if (parameters != null) {parameters.setGroupDepositAlgorithm(groupDepositAlgorithm);parameters.setPurchaseDepositValue(purchaseDepositValue);parameters.setPurchaseFeeAlgorithm(purchaseFeeAlgorithm);parameters.setPurchaseFeeValue(purchaseFeeValue);parameters.setSaleFeeAlgorithm(saleFeeAlgorithm);parameters.setSaleFeeValue(saleFeeValue);parameters.setInterestRate(interestRate);marketParameterRepository.save(parameters);}}
}import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;@Entity
public class MarketParameters {@Id@GeneratedValue(strategy = GenerationType.IDENTITY)private Long id;private String groupDepositAlgorithm;private Double purchaseDepositValue;private String purchaseFeeAlgorithm;private Double purchaseFeeValue;private String saleFeeAlgorithm;private Double saleFeeValue;private Double interestRate;// Getters and setters
}

这些示例代码仅覆盖了一小部分功能，您还需要根据实际需求扩展和完善其他的业务逻辑。如果您需要更详细的实现，请告知我。