productproxy.java

jsp网站开发四“酷”全书原码

package com.publish.shop.product.javabeans;

import java.sql.Connection;
import java.util.ArrayList;
import com.publish.shop.util.javabeans.*;
import com.publish.shop.product.dao.ProductDAO;

public class ProductProxy {
  ProductDAO dao = null;
  public ProductProxy(){
    dao = new ProductDAO();
  }
  public ProductModel queryProductByProductName(String productName) throws Exception{
    return dao.queryProductByProductName(productName);
  }

  public ArrayList queryProduct(ProductModel model,Pager pager) throws Exception{
    ArrayList lList = new ArrayList();
    lList = dao.query(model);
    return Utility.generatePager(lList,pager);
  }

  public ArrayList queryProduct(ProductModel model) throws Exception{
    return dao.query(model);
  }

  public ProductModel queryProduct(String productId) throws Exception{
     return dao.queryProduct(productId);
  }

  public void insertProduct(ProductModel model) throws Exception{
      dao.insert(model);
  }

  public void updateProduct(ProductModel model) throws Exception{
      dao.update(model);
  }

  public void deleteProduct(String productId) throws Exception{
      dao.delete(productId);
  }
}