jsp编写的博客系统，采用mvc模式

package com.wy.webiter; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.RequestDispatcher; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.wy.dao.ArticleDao; import com.wy.dao.ArticleTypeDao; import com.wy.dao.RestoreDao; import com.wy.form.ArticleForm; import com.wy.form.ArticleTypeForm; import com.wy.form.RestoreForm; import com.wy.tool.Chinese; public class ArticleServlet extends HttpServlet { private ArticleDao articleDao = null; private ArticleTypeDao articleTypeDao = null; private RestoreDao restoreDao = null; public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { int method = Integer.parseInt(request.getParameter("method")); if (method == 0) { this.addArticleType(request, response); } if (method == 1) { this.deleteArticleType(request, response); } if (method == 2) { this.addArticle(request, response); } if (method == 3) { this.deleteArticle(request, response); } if (method == 4) { this.updateArticle(request, response); } if (method == 5) { this.headAddNumberArticle(request, response); } if (method == 6) { this.deleteRestore(request, response); } if (method == 7) { this.HeadAddRestore(request, response); } } public void HeadAddRestore(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=GBK"); PrintWriter out = response.getWriter(); restoreDao = new RestoreDao(); RestoreForm restoreForm = new RestoreForm(); restoreForm.setArticleId(Integer.valueOf(request.getParameter("articleId"))); restoreForm.setReAccount(request.getParameter("accountId")); restoreForm.setReTitle(Chinese.toChinese(request.getParameter("reTitle"))); restoreForm.setReContent(Chinese.toChinese(request.getParameter("reContent"))); if (restoreDao.operationRestore("添加", restoreForm)) { out .print("<script language=javascript>alert('添加回复信息成功，请重新查询！');window.location.href='head_ArticleForm.jsp?id="+request.getParameter("articleId")+"';</script>"); } else { out .print("<script language=javascript>alert('添加回复信息失败！');history.go(-1);</script>"); } } public void deleteRestore(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=GBK"); PrintWriter out = response.getWriter(); restoreDao = new RestoreDao(); RestoreForm restoreForm = new RestoreForm(); restoreForm.setId(Integer.valueOf(request.getParameter("id"))); if (this.restoreDao.operationRestore("删除", restoreForm)) { out .print("<script language=javascript>alert('删除回复成功，请重新查询！');window.location.href='back_RestoreSelect.jsp?id=" + request.getParameter("idd") + "';</script>"); } else { out .print("<script language=javascript>alert('删除回复失败！');history.go(-1);</script>"); } } // 增加访问次数 public void headAddNumberArticle(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ArticleForm articleForm = new ArticleForm(); articleDao = new ArticleDao(); articleForm.setId(Integer.valueOf(request.getParameter("id"))); articleDao.operationArticle("增加", articleForm); request.setAttribute("form", articleDao.queryArticleForm(Integer .valueOf(request.getParameter("id")))); RequestDispatcher requestDispatcher = request .getRequestDispatcher("head_ArticleForm.jsp"); requestDispatcher.forward(request, response); } public void updateArticle(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=GBK"); PrintWriter out = response.getWriter(); ArticleForm articleForm = new ArticleForm(); articleForm.setId(Integer.valueOf(request.getParameter("id"))); articleForm.setTypeId(Integer.valueOf(request.getParameter("typeId"))); articleForm.setTitle(Chinese.toChinese(request.getParameter("title"))); articleForm.setContent(Chinese.toChinese(request .getParameter("content"))); articleDao = new ArticleDao(); if (articleDao.operationArticle("修改", articleForm)) { out .print("<script language=javascript>alert('修改文章成功，请重新查询！');window.location.href='back_ArticleSelect.jsp';</script>"); } else { out .print("<script language=javascript>alert('修改文章失败！');history.go(-1);</script>"); } } // 后台删除文章 public void deleteArticle(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=GBK"); PrintWriter out = response.getWriter(); ArticleForm articleForm = new ArticleForm(); articleForm.setId(Integer.valueOf(request.getParameter("id"))); articleDao = new ArticleDao(); if (articleDao.operationArticle("删除", articleForm)) { out .print("<script language=javascript>alert('删除文章成功，请重新查询！');window.location.href='back_ArticleSelect.jsp';</script>"); } else { out .print("<script language=javascript>alert('删除文章失败！');history.go(-1);</script>"); } } // 后台添加文章 public void addArticle(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ArticleForm articleForm = new ArticleForm(); articleForm.setTypeId(Integer.valueOf(request.getParameter("typeId"))); articleForm.setTitle(Chinese.toChinese(request.getParameter("title"))); articleForm.setNumber(Integer.valueOf(request.getParameter("number"))); articleForm.setContent(Chinese.toChinese(request .getParameter("content"))); articleForm .setPhTime(Chinese.toChinese(request.getParameter("phTime"))); articleDao = new ArticleDao(); String result = "文章添加失败！"; if (articleDao.operationArticle("添加", articleForm)) { result = "文章添加成功！"; } request.setAttribute("result", result); RequestDispatcher requestDispatcher = request .getRequestDispatcher("back_ArticleAdd.jsp"); requestDispatcher.forward(request, response); } // 后台删除文章类别 public void deleteArticleType(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=GBK"); PrintWriter out = response.getWriter(); ArticleTypeForm ArticleTypeForm = new ArticleTypeForm(); ArticleTypeForm.setId(Integer.valueOf(request.getParameter("id"))); articleTypeDao = new ArticleTypeDao(); if (articleTypeDao.operationArticleType("删除", ArticleTypeForm)) { out .print("<script language=javascript>alert('删除文章类别成功，请重新查询！');window.location.href='back_ArticleTypeSelect.jsp';</script>"); } else { out .print("<script language=javascript>alert('您需要将类别所在的文章删除,才可删除此类别！');history.go(-1);</script>"); } } // 后台添加文章类别 public void addArticleType(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=GBK"); PrintWriter out = response.getWriter(); ArticleTypeForm ArticleTypeForm = new ArticleTypeForm(); ArticleTypeForm.setTypeName(Chinese.toChinese(request .getParameter("typeName"))); ArticleTypeForm.setDescription(Chinese.toChinese(request .getParameter("description"))); articleTypeDao = new ArticleTypeDao(); if (articleTypeDao.operationArticleType("添加", ArticleTypeForm)) { out .print("<script language=javascript>alert('添加文章类别成功，请重新查询！');window.location.href='back_