productitemsaveservlet.java

使用jsp+Servlet,采用MVC模式,实现了一典型小型电子商务网站的全过程.包括前台和后台的全部功能.适合于初学者学习使用.

package com.eshop.servlet.manager.product;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.eshop.service.ItemService;
import com.eshop.service.ProductService;
import com.eshop.vo.Item;
import com.eshop.vo.Product;

public class ProductItemSaveServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public ProductItemSaveServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		request.setCharacterEncoding("gbk");
		boolean success=false;
		Item item=new Item();
		item.setItemid(request.getParameter("itemid"));
		item.setProductid(request.getParameter("productid"));
		item.setListprice(Float.parseFloat(request.getParameter("listprice")));
		item.setUnitcost(Float.parseFloat(request.getParameter("unitcost")));
		item.setSupplier(Long.parseLong(request.getParameter("supplier")));
		item.setStatus(request.getParameter("status"));
		item.setAttr1(request.getParameter("attr1"));
		item.setAttr2(request.getParameter("attr2"));
		item.setAttr3(request.getParameter("attr3"));
		item.setAttr4(request.getParameter("attr4"));
		item.setAttr5(request.getParameter("attr5"));
		ItemService service=new ItemService();
		success=service.saveItem(item);
		if(success){
			RequestDispatcher requestDisptcher=request.getRequestDispatcher("../product/productItemList");
			requestDisptcher.forward(request, response);
		}
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doGet(request,response);
	}
	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occure
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}