showarticleservlet.java

来自「基于MVC模式的文章采集检索系统」· Java 代码 · 共 84 行

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 ShowArticleServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public ShowArticleServlet() {
		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 pagenum=request.getParameter("pagenum");
		String id=request.getParameter("id");
		String subitem_id=request.getParameter("subitem_id");
		String key=request.getParameter("key");
		Article article=null;
		ArticleService service =new ArticleService();
		article=service.getArticleById(id, subitem_id);
		request.setAttribute("pagenum", pagenum);
		request.setAttribute("article", article);
		request.setAttribute("key", key);
		request.getRequestDispatcher("article/showArticle.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
	}

}