deleteservlet.java

新闻发布系统 传统的MVC编程架构

package org.langsin.news.control;

import java.io.IOException;

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

import org.langsin.news.logic.NewsLogicBean;

public class DeleteServlet extends HttpServlet {


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

	/**
	 * 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 {
		String newsid=request.getParameter("newsid");
		int result=new NewsLogicBean().deleteId(newsid);
		if(result==1){
			request.getRequestDispatcher("main/list.jsp?currentPage=1").forward(request, response);
		}else{
			request.getRequestDispatcher("main/error.jsp").forward(request, response);
		}
		

	}

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

}