addnewsaction.java

本博客系统是在J2EE平台上用Hibernate框架技术和MVC模式构建

package com.blog.admin;

import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.*;

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

import com.blog.Constants;
import com.blog.OperateDatabase;
import com.blog.tableclass.News;
import com.blog.tableclass.Admin;

public class AddNewsAction extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public AddNewsAction() {
		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 content =(new String(request.getParameter("content").getBytes("iso-8859-1"),"UTF-8")).trim();
		response.setContentType("text/xml; charset=UTF-8");
	    response.setHeader("Cache-Control", "no-cache");
		OperateDatabase	db=new OperateDatabase();
		/*
		 * 获取Blog信息
		 */
		HttpSession session = request.getSession(true);
		Admin admin = (Admin)session.getAttribute(Constants.LOGIN_ADMIN_KEY);	
		/*
		 * 设置保存文章信息
		 */		
		News news=new News();	
		news.setAdminname(admin.getAdmin());
		news.setContent(content);
		SimpleDateFormat df  = new SimpleDateFormat("MMddhhmmss");
		df  = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
		news.setNewstime( df.format(new Date()));
		db.save(news);
		List newsList=db.allNews();
		session.setAttribute(Constants.NEWS_LIST_KEY,newsList);
		/*
		 *返回结果信息 
		 */		
		response.sendRedirect("/NewBlog/admin/manageNews.jsp");

		
	}

	/**
	 * 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 {
		
	}

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

}