A Servlet

package com.newsService.servlet.manager; 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 javax.servlet.http.HttpSession; import com.newsService.dao.CommentDao; import com.newsService.dao.NewsDao; import com.newsService.dao.impl.CommentDaoImpl; import com.newsService.dao.impl.NewsDaoImpl; import com.newsService.utils.URLUtiluty; public class DeleteNewsServlet extends HttpServlet { /** * */ private static final long serialVersionUID = 1L; public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;UTF-8"); PrintWriter out = response.getWriter(); out.println(""); out.println(""); out.println(" A Servlet"); out.println(" "); request.setCharacterEncoding("UTF-8"); String nid=request.getParameter("nid"); HttpSession session=request.getSession(); NewsDao dao = new NewsDaoImpl(); boolean flag=dao.deleteNews(Integer.parseInt(nid)); if(flag){ request.getSession().setAttribute("update", "修改成功!"); response.sendRedirect(URLUtiluty.NEWS_MANAGER_SERVLETURL); } out.println(" "); out.println(""); out.flush(); out.close(); } /** */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } }