productaction.java

老师给的购物车

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.tarena.shopcart.action;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
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 org.apache.struts.actions.MappingDispatchAction;
import org.apache.struts.upload.FormFile;
import org.apache.struts.validator.DynaValidatorActionForm;

import com.tarena.shopcart.entity.Category;
import com.tarena.shopcart.entity.Product;
import com.tarena.shopcart.service.IProductService;
import com.tarena.shopcart.serviceImp1.ProductServiceImp1;

/**
 * MyEclipse Struts Creation date: 11-01-2008
 * 
 * XDoclet definition:
 * 
 * @struts.action parameter="products" validate="true"
 * @struts.action-forward name="success" path="/index.jsp"
 */
public class ProductAction extends MappingDispatchAction {
	/*
	 * Generated Methods
	 */
	IProductService service = new ProductServiceImp1();

	Product product = null;

	/**
	 * Method execute
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward products(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		String page = request.getParameter("page");
		request.setAttribute("pro", service.getPage(page));
		List list =service.getProducts(page);
		request.setAttribute("product", list);
		return mapping.findForward("toIndex");
	}

	public ActionForward addProduct(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		DynaValidatorActionForm dv = (DynaValidatorActionForm) form;
		FormFile file = (FormFile) dv.get("images");
		String name = dv.getString("name");
		String description = dv.getString("description");
		String baseprice = dv.getString("baseprice");
		String categoryid = dv.getString("category");
		String author = dv.getString("author");
		String publish = dv.getString("publish");
		String pages = dv.getString("pages");
		Product pro=new Product(name,description,Float.parseFloat(baseprice),author,publish,Long.parseLong(pages));
		String servletContext = servlet.getServletContext().getRealPath("images/product/");
		String plocation=servletContext+"/"+name+".jpg";
		String location="images/product/"+name+".jpg";
		pro.setImages(location);
		System.out.println("images/product="+servletContext);
		try {
			
			InputStream streamIn = file.getInputStream();
			OutputStream streamOut = new FileOutputStream(plocation);
			int bytesRead = 0;
			byte[] buffer = new byte[8192];
			while ((bytesRead = streamIn.read(buffer, 0, 8192)) != -1) {
				streamOut.write(buffer, 0, bytesRead);
			}
			streamOut.close();
			streamIn.close();
		} catch (Exception e) {
			System.err.println();
		}

		Category category=service.findCategoryById(Integer.parseInt(categoryid));
		pro.setCategory(category);
		if(service.addProduct(pro)){
			return mapping.findForward("addsuccess");
		}
		return mapping.findForward("fail");
	}

	public ActionForward categoryInit(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		List list = service.getAllCategory();
		request.setAttribute("category", list);
		return mapping.findForward("toAddProduct");
	}
	
	public ActionForward details(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		String pid = request.getParameter("pid");
		product = service.findProductById(Integer.parseInt(pid));
		request.setAttribute("pro", product);
		return mapping.findForward("productDetail");
	}
	
	public ActionForward searchProduct(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		String name = request.getParameter("name");
		List list = service.getProductsLikeName(name);
		request.setAttribute("product", list);
		return mapping.findForward("toIndex");
	}
	
	public ActionForward deleteProduct(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		String pid = request.getParameter("pid");
		product = service.findProductById(Integer.parseInt(pid));
		String context=servlet.getServletContext().getRealPath("/");
		String location=context+"/"+product.getImages();
		new File(location).delete();
		if(service.deleteProduct(Integer.parseInt(pid))){	
			return mapping.findForward("deletesuccess");
		}
		return mapping.findForward("fail");
	}
}