getarticleservlet.java

基于MVC模式的文章采集检索系统

package com.liubin.servlet.article;

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

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

import com.liubin.model.Article;
import com.liubin.service.article.ArticleService;

public class GetArticleServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public GetArticleServlet() {
		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[] args=request.getParameter("ids").split("@");
			String id=args[0];
			String subitem_id=args[1];
			String pagenum=args[2];
			request.setAttribute("id",id);
			request.setAttribute("subitem_id", subitem_id);
			request.setAttribute("pagenum", pagenum);
			Article article=null;
			ArticleService service= new ArticleService();
			article=service.getArticleById(id, subitem_id);
			request.setAttribute("article", article);
			request.getRequestDispatcher("article/updateArticle.jsp").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 {
		this.doGet(request, response);
		
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}