基于jsp、javaBean、servlet的论坛系统.zip

package cn.cultivator.bbs.servlet; import java.io.IOException; import java.lang.reflect.InvocationTargetException; import java.util.Enumeration; import java.util.List; 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 org.apache.commons.beanutils.BeanUtils; import cn.cultivator.bbs.domain.Topic; import cn.cultivator.bbs.domain.Type; import cn.cultivator.bbs.domain.User; import cn.cultivator.bbs.exception.PasswordErrorException; import cn.cultivator.bbs.service.BbsService; public class BbsServlet extends HttpServlet { /** * */ private static final long serialVersionUID = 1L; public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { this.doGet(request, response); } public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String method = request.getParameter("method"); if("findAllType".equals(method)){ this.listAllType(request, response); }else if("toLogin".equals(method)){ request.getRequestDispatcher("jsp/login.jsp").forward(request, response); }else if("Login".equals(method)){ this.Userlogin(request, response); }else if ("toRegister".equals(method)) { request.getRequestDispatcher("jsp/register.jsp").forward(request, response); }else if ("register".equals(method)) { this.UserRegister(request, response); }else if("exit".equals(method)){ this.exit(request, response); }else if("listTopic".equals(method)){ this.ListAllTopic(request, response); }else if("toAddTopic".equals(method)){ request.getRequestDispatcher("jsp/addTopic.jsp").forward(request, response); }else if("addTopic".equals(method)){ this.addTopic(request, response); } } private void listAllType(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { try { BbsService bbsService = new BbsService(); List<Type> typeList = bbsService.listAllType(); request.setAttribute("typeList",typeList); request.getRequestDispatcher("jsp/listAllType.jsp").forward(request, response); } catch (Exception e) { e.printStackTrace(); request.setAttribute("message", "查询版块出错"); request.getRequestDispatcher("jsp/message.jsp").forward(request, response); } } private void Userlogin(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { try { User user = new User(); Enumeration<String> enums = request.getParameterNames(); while(enums.hasMoreElements()){ String name = enums.nextElement(); String[] values = request.getParameterValues(name); BeanUtils.setProperty(user, name, values); } BbsService bbsService = new BbsService(); User u = bbsService.login(user); /*System.out.println(request.getContentType());*/ if(u!=null){ request.getSession().setAttribute("user", user); response.sendRedirect(request.getContextPath()+"/welcome.jsp"); }else { throw new PasswordErrorException(); } } catch (PasswordErrorException e) { e.printStackTrace(); request.setAttribute("message", "You hava a fault"); request.getRequestDispatcher("jsp/message.jsp").forward(request, response); } catch (Exception e) { e.printStackTrace(); request.setAttribute("message", "登录失败"); request.getRequestDispatcher("jsp/message.jsp").forward(request, response); } } private void UserRegister(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { try { User user = new User(); Enumeration<String> enumerations = request.getParameterNames(); while (enumerations.hasMoreElements()) { String name = enumerations.nextElement(); Object[] value = request.getParameterValues(name); BeanUtils.setProperty(user, name, value); } BbsService bbsService = new BbsService(); bbsService.register(user); request.setAttribute("message", "register succeed!"); request.getRequestDispatcher("/jsp/message.jsp").forward(request, response); } catch (Exception e) { e.printStackTrace(); } } private void exit(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { HttpSession session = request.getSession(); session.invalidate(); response.sendRedirect(request.getContextPath()+"/welcome.jsp"); } private void ListAllTopic(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { try { Integer typeId = Integer.valueOf(request.getParameter("typeId")); String tokenId1 = request.getParameter("tokenId"); String tokenId2 = (String) request.getSession().getAttribute("token"); // System.out.println(tokenId1); // System.out.println(tokenId2); BbsService bbsService = new BbsService(); if(tokenId1!=null&&tokenId2!=null&&tokenId1.equals(tokenId2)){ bbsService.updateClickNum(typeId); request.getSession().removeAttribute("tokenId2"); } List<Topic> topicList = bbsService.listAllTopic(typeId); request.setAttribute("topicList", topicList); request.getRequestDispatcher("jsp/listAllTopic.jsp").forward(request, response); } catch (Exception e) { e.printStackTrace(); } } private void addTopic(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { try { Topic topic = new Topic(); Enumeration<String> enums = request.getParameterNames(); while(enums.hasMoreElements()){ String name = enums.nextElement(); String[] value = request.getParameterValues(name); BeanUtils.setProperty(topic, name, value); } BbsService bbsService = new BbsService(); bbsService.addTopic(topic); request.setAttribute("message", "success to add"); request.getRequestDispatcher("jsp/message.jsp").forward(request, response); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); request.setAttribute("message", "fail to add"); request.getRequestDispatcher("jsp/message.jsp").forward(request, response); } } }