ruleeidtservlet.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.shop;

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.AccountService;
import com.eshop.service.CategoryService;
import com.eshop.service.ProductService;
import com.eshop.service.RuleService;
import com.eshop.vo.Account;
import com.eshop.vo.Category;
import com.eshop.vo.Product;
import com.eshop.vo.Rule;

public class RuleEidtServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public RuleEidtServlet() {
		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 {

String ruleid=request.getParameter("ruleid").trim();
RuleService service=new RuleService();
Rule form=service.getRuleById(ruleid);


request.setAttribute("form", form);
RequestDispatcher dis=request.getRequestDispatcher("../manager/rule/eidtRule.jsp");
dis.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
	}

}