updatearticleservlet.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 UpdateArticleServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public UpdateArticleServlet() {
		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");
		response.setContentType("text/html;charset=gbk");
		Article article=new Article();
		String subitem_id=request.getParameter("sub_item"); 
		String title=request.getParameter("title");
		String author=request.getParameter("author");
		String origin=request.getParameter("origin");
		String content=request.getParameter("content");
		String level=request.getParameter("level");
		String digest=request.getParameter("digest");
		article.setAuthor(author);
		article.setContent(content);
		article.setDigest(digest);
		article.setId(request.getParameter("id"));
		article.setLevel_id(level);
		article.setOrigin(origin);
		article.setTitle(title);
		
		article.setSubitem_id(subitem_id);
		ArticleService service=new ArticleService();
		boolean temp=service.updateBatch(article);
		String path =null;
		request.setAttribute("subitem_id", article.getSubitem_id());
		request.setAttribute("pagenum",request.getParameter("pagenum"));
		if(temp){
			
			path="articleSplitServlet";
		}
		else
		{
			request.setAttribute("id", article.getId());
			path="getArticleServlet";
			
		}
		request.getRequestDispatcher(path).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
	}

}