productaction.java

网上购物系统struts+spring+hibernate实现

package com.sdi0708.bdifn.bookstore.web.struts.action;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.sdi0708.bdifn.bookstore.domain.Catalog;
import com.sdi0708.bdifn.bookstore.domain.Product;
import com.sdi0708.bdifn.bookstore.service.ICatalogService;
import com.sdi0708.bdifn.bookstore.service.IProductService;
import com.sdi0708.bdifn.bookstore.service.util.StringUtils;
import com.sdi0708.bdifn.bookstore.web.struts.form.ProductForm;

/**
 * 类别管理模块的action
 * @author 吴承志
 *
 */
public class ProductAction extends BaseAction {
	/**
	 * 通过依spring注入一个productService,单例模式的,线程安全
	 */
	private IProductService productService;
	
	private ICatalogService catalogService;
	
	public void setCatalogService(ICatalogService catalogService) {
		this.catalogService = catalogService;
	}

	public void setProductService(IProductService productService) {
		this.productService = productService;
	}
	
	/**
	 */
	public ActionForward addProduct(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws Exception {
		ProductForm pf = (ProductForm) form;
		Product p = pf.getProduct();
		//不知道为什么不能通过form设置catalog的id,所以采用了权宜之计
		if(p.getCatalog().getId() == 0 || p.getCatalog().getId() == null) {
			Long l = Long.valueOf(request.getParameter("product.catalog.id").trim());
			p.getCatalog().setId(l);
		}
		productService.addProduct(p);
		
		return mapping.findForward("success");
	}
	
	/**
	 */
	public ActionForward toAddProduct(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws Exception {
		List<Catalog> catalogs = catalogService.findParentCatalogs();
		request.setAttribute("catalogs", catalogs);
		return mapping.findForward("success");
	}
	/**
	 */
	public ActionForward listAllProducts(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws Exception {
		List<List<Catalog>> catalogs = new ArrayList<List<Catalog>>();
		List<Catalog> cp = catalogService.findParentCatalogs();
		request.setAttribute("pCatalog", cp);
		for(Catalog c : cp) {
			List<Catalog> cc = catalogService.findLeafCatalogs(c.getId());
			catalogs.add(cc);
		}
		request.setAttribute("allCatalogs", catalogs);
		if(!StringUtils.isEmpty(request.getParameter("catalogid"))) {
			Long id = Long.valueOf(request.getParameter("catalogid"));
			List<Product> products = productService.findAllProduct(id);
			request.setAttribute("products", products);
		}
		return mapping.findForward("success");
	}
	/**
	 * 按ID删除特定的商品
	 */
	public ActionForward deleteProductById(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws Exception {
		Long id = Long.valueOf(request.getParameter("id"));
		productService.deleteProduct(id);
		return mapping.findForward("success");
	}
	/**
	 * 准备修改商品信息
	 */
	public ActionForward preparemodifyProduct(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws Exception {
		Long id = Long.valueOf(request.getParameter("id"));
		Product product = productService.findById(id);
		request.setAttribute("product", product);
		return mapping.findForward("success");
	}
	/**
	 * 执行商品修改
	 */
	public ActionForward modifyProduct(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws Exception {
		ProductForm pf = (ProductForm) form;
		Product p = pf.getProduct();
//	System.out.println(p.getCatalog().getId());
//	System.out.println(p.getDescription());
//	System.out.println(p.getProductName());
//	System.out.println(p.getUnitPrice());
		productService.modifyProduct(p);
		return mapping.findForward("success");
	}
}