基于google app engine 的博客系统开发

package com.appspot.lwblog.servlet; import java.io.IOException; import java.util.*; import java.util.logging.*; import java.io.*; import javax.jdo.PersistenceManager; import javax.servlet.http.*; import com.appspot.lwblog.common.*; import com.appspot.lwblog.bean.*; public class ConsumerServlet extends HttpServlet { private int method; public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException { request.setCharacterEncoding("gb2312"); method = Integer.parseInt(request.getParameter("method")); /*if (method == 0) { checkConsumer(request, response); // 用户登录操作 } if (method == 1) { registerConsumer(request, response);// 用户注册操作 } if (method == 2) { queryConsumerForm(request, response);// 后台操作中，对一个用户进行查询 } if (method == 3) { deleteConsumerForm(request, response);// 后台操作中，对用户进行删除操作 }*/ if (method ==4){ response.sendRedirect("/back_consumerSelectHostForm.jsp"); } if (method == 5) { updateConsumerHostForm(request, response); // 后台操作中，对博主信息的修改操作 } /* if (method == 6) { front_updateConsumerForm(request, response); // 前台操作中，用户对登录用进行修改 }*/ } // 后台操作中，对博主信息的修改操作 public void updateConsumerHostForm(HttpServletRequest request, HttpServletResponse response) throws IOException { String name = SimpleHandler.changehtml(request.getParameter("name")); String sex = SimpleHandler.changehtml(request.getParameter("sex")); String QQNumber = SimpleHandler.changehtml(request.getParameter("QQnumber")); String mainPage = SimpleHandler.changehtml(request.getParameter("mainPage")); String interest = SimpleHandler.changehtml(request.getParameter("interest")); String eMail= SimpleHandler.changehtml(request.getParameter("eMail")); ConsumerForm consumer = new ConsumerForm(name, sex, QQNumber, mainPage, interest, eMail); PersistenceManager pm = PMF.get().getPersistenceManager(); try{ pm.makePersistent(consumer); }finally{ pm.close(); } response.sendRedirect("/back_consumerUpdate.jsp"); } /* // 前台操作中，用户对登录用进行修改 public void front_updateConsumerForm(HttpServletRequest request, HttpServletResponse response) throws IOException { response.setContentType("text/html;charset=GBK"); PrintWriter out = response.getWriter(); ConsumerForm form = new ConsumerForm(); consumerDao = new ConsumerDao(); form.setAccount(Chinese.toChinese(request.getParameter("account"))); form.setPassword(Chinese.toChinese(request.getParameter("password"))); form.setName(Chinese.toChinese(request.getParameter("name"))); form.setSex(Chinese.toChinese(request.getParameter("sex"))); form.setQQNumber(request.getParameter("QQnumber")); form.setMainPage(request.getParameter("mainPage")); form.setInterest(Chinese.toChinese(request.getParameter("interest"))); form.setId(Integer.valueOf(request.getParameter("id"))); form.setEMail(request.getParameter("eMail")); if (consumerDao.front_updateConsumerForm(form)) { out .print("<script language=javascript>alert('修改用户成功，请重新登录！');window.location.href='dealwith.jsp?sign=2';</script>"); } else { out .print("<script language=javascript>alert('修改用户信息失败！');history.go(-1);</script>"); } } // 后台操作中，对博主信息的修改操作 public void updateConsumerHostForm(HttpServletRequest request, HttpServletResponse response) throws IOException { request.setCharacterEncoding("gb2312"); ConsumerForm form = new ConsumerForm(); consumerDao = new ConsumerDao(); form.setAccount(Chinese.toChinese(request.getParameter("account"))); form.setPassword(Chinese.toChinese(request.getParameter("password"))); form.setName(Chinese.toChinese(request.getParameter("name"))); form.setSex(Chinese.toChinese(request.getParameter("sex"))); form.setQQNumber(request.getParameter("QQnumber")); form.setMainPage(request.getParameter("mainPage")); form.setInterest(Chinese.toChinese(request.getParameter("interest"))); form.setEMail(request.getParameter("eMail")); form.setManageLevel("高级"); String result = "修改博主信息失败！"; if (consumerDao.updateConsumerForm(form)) { result = "修改博主信息成功！"; } request.setAttribute("result", result); request.setAttribute("form", consumerDao.getConsumerForm(form .getAccount())); RequestDispatcher requestDispatcher = request .getRequestDispatcher("back_consumerSelectHostForm.jsp"); requestDispatcher.forward(request, response); } // 后台操作中，对用户进行删除操作 public void deleteConsumerForm(HttpServletRequest request, HttpServletResponse response) throws IOException { response.setContentType("text/html;charset=GBK"); String account = Chinese.toChinese(request.getParameter("account")); consumerDao = new ConsumerDao(); PrintWriter out = response.getWriter(); if (consumerDao.deleteConsumerForm(account)) { out .print("<script language=javascript>alert('删除此用户成功，请重新进行查询！');window.location.href='back_consumerSelect.jsp';</script>"); } else { out .print("<script language=javascript>alert('删除用户信息失败！');history.go(-1);</script>"); } } // 后台操作中，对博主的查询操作 public void queryConsumerHostForm(HttpServletRequest request, HttpServletResponse response) throws IOException { consumerDao = new ConsumerDao(); request.setAttribute("form", consumerDao.getConsumerForm("tsoft")); RequestDispatcher requestDispatcher = request .getRequestDispatcher("back_consumerSelectHostForm.jsp"); requestDispatcher.forward(request, response); } // 后台操作中，对一个用户进行查询 public void queryConsumerForm(HttpServletRequest request, HttpServletResponse response) throws IOException { consumerDao = new ConsumerDao(); String account = Chinese.toChinese(request.getParameter("account")); request.setAttribute("form", consumerDao.getConsumerForm(account)); RequestDispatcher requestDispatcher = request .getRequestDispatcher("back_consumerSelectForm.jsp"); requestDispatcher.forward(request, response); } // 用户注册操作 public void registerConsumer(HttpServletRequest request, HttpServletResponse response) throws IOException { request.setCharacterEncoding("gb2312"); ConsumerForm form = new ConsumerForm(); consumerDao = new ConsumerDao(); form.setAccount(Chinese.toChinese(request.getParameter("account"))); form.setPassword(Chinese.toChinese(request.getParameter("password"))); form.setName(Chinese.toChinese(request.getParameter("name"))); form.setSex(Chinese.toChinese(request.getParameter("sex"))); form.setQQNumber(request.getParameter("QQnumber")); form.setMainPage(request.getParameter("mainPage")); form.setInterest(Chinese.toChinese(request.getParameter("interest"))); form.setEMail(request.getParameter("eMail")); form.setManageLevel("普通"); String result = "fail"; if (consumerDao.getConsumerForm(form.getAccount()) == null) { if (consumerDao.addConsumerForm(form)) { request.setAttribute("form", consumerDao.getConsumerForm(form .getAccount())); result = "success"; } } request.setAttribute("result", result); RequestDispatcher requestDispatcher = request .getRequestDispatcher("dealwith.jsp"); requestDispatcher.forward(request, response); } // 用户登录操作 public void checkConsumer(HttpServletRequest request, HttpServletResponse response) throws S IOException { request.setCharacterEncoding("gb2312"); String account = request.getParameter("account"); consumerDao = new ConsumerDao(); ConsumerForm consumerForm = consumerDao.getConsumerForm(account); if (consumerForm == null) { request.setAttribute("information", "您输入的用户名不存在，请重新输入！");