productmanage.java

一个可以作为毕业设计的网上商城项目

package com.fang.shopping;

import java.sql.Timestamp;
import java.util.Date;
import java.util.List;

import com.fang.shopping.dao.ProductDAO;
import com.fang.shopping.dao.ProductMySQLDAO;

public class ProductManage {

	//采用单例模式来写
	private static ProductManage pm = null;

	static {
		if (pm == null) {
			pm = new ProductManage();
			//应该根据配置文件，选择你特有的dao
			pm.setDao(new ProductMySQLDAO());
		}
	}

	private ProductManage() {
	}

	public static ProductManage getInstance() {
		return pm;

	}

	ProductDAO dao = null;

	public List<Product> getProducts() {
		return dao.getProducts();

	}

	public List<Product> getProducts(int pageNo, int pageSize) {
		return dao.getProducts(pageNo, pageSize);
	}
	
	public int getProducts(List<Product> products,int pageNo, int pageSize) {
		return dao.getProducts(products,pageNo, pageSize);
	}

	public int findProducts(List<Product> list,int[] categoryId, String keyword,
			double lowNormalPrice, double highNormalPrice,
			double lowMemberPrice, double highMemberPrice, Date startDate,
			Date endDate, int pageNo, int pageSize) {
		return dao.findProducts(list,categoryId, keyword, lowNormalPrice, highNormalPrice, lowMemberPrice, 
				highMemberPrice, startDate, endDate, pageNo, pageSize);

	}

	public List<Product> findProducts(String name) {
		return null;
	}
	
	public boolean addProduct(Product p){
		return dao.addProduct(p);
	}

	public boolean delProductByCategoryId(int categoryId) {
		return false;
	}

	public boolean delProductById(int[] id) {
		return dao.delProductById(id);
	}

	public boolean updateProduct(Product p) {
		return false;
	}

	public ProductDAO getDao() {
		return dao;
	}

	public void setDao(ProductDAO dao) {
		this.dao = dao;
	}

}