jsp一个完整的小项目

package com.DormWeb.servlet; import java.io.IOException; import java.io.PrintWriter; import java.util.Date; import java.util.List; import javax.servlet.RequestDispatcher; 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.DormWeb.DB.Common; import com.DormWeb.dao.ArticleDao; import com.DormWeb.bean.ArticleBean; import com.DormWeb.dao.ReviewDao; import com.DormWeb.bean.ReviewBean; public class ArticleServlet extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { this.doPost(request, response); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String action = request.getParameter("action"); if (action.equals("add")) //后台增加日志 this.addArticle(request, response); if (action.equals("adminSelectList")) this.adminSelectList(request,response); //后台文章管理中的文章浏览功能 if (action.equals("modify")) this.modifyArticle(request, response); //修改文章 if (action.equals("delete")) this.deleteArticle(request, response); //删除文章 if (action.equals("read")) //阅读指定的日志 this.readArticle(request, response); if (action.equals("adminread")) //阅读指定的日志 this.adminReadArticle(request, response); if (action.equals("followAdd")) this.addFollow(request, response); } public void addArticle(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String messages = ""; String href=""; String forward=""; //对表单输入的数据进行乱码处理 String usernumber=(String)request.getSession().getAttribute("usernumber"); ArticleBean articleBean = new ArticleBean(); articleBean.setTitle(Common.toChinese(request.getParameter("title"))); articleBean.setContent(Common.changeHTML(Common.toChinese(request.getParameter("content")))); articleBean.setSdTime(Common.changeTime(new Date())); articleBean.setCount(0); articleBean.setUsernumber(usernumber); ArticleDao articleDao = new ArticleDao(); boolean flag=articleDao.operationArticle("add", articleBean); if(flag) { messages = "<li>发表文章成功！</li>"; href="<a href='/DormWeb/admin/article/AddArticle.jsp'>[继续发表]</a>"; forward="/admin/success.jsp"; } else{ messages="<li>发表文章失败！</li>"; href="<a href='javascript:window.history.go(-1)'>[返回]</a>"; forward="/admin/error.jsp"; } request.setAttribute("messages",messages); request.setAttribute("href",href); RequestDispatcher rd = request.getRequestDispatcher(forward); rd.forward(request, response); } /** * @功能 修改文章 */ public void modifyArticle(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException { HttpSession session=request.getSession(); RequestDispatcher rd=null; ArticleDao articleDao=new ArticleDao(); String type=request.getParameter("type"); if(type==null) type=""; if(!type.equals("doModify")){ int id=Common.strToint(request.getParameter("id")); ArticleBean articleBean=articleDao.queryArticleById(id); request.setAttribute("modifySingle",articleBean); rd=request.getRequestDispatcher("/admin/article/ArticleModify.jsp"); rd.forward(request,response); } else{ String messages=""; String href=""; String forward=""; ArticleBean articleBean = new ArticleBean(); articleBean.setId(Common.strToint(request.getParameter("id"))); articleBean.setContent(Common.toChinese(request.getParameter("content"))); boolean flag=articleDao.operationArticle("modify",articleBean); if (flag) { messages="<li>修改成功！</li>"; href="<a href='/DormWeb/servlet/ArticleServlet?action=adminSelectList'>[继续修改其他文章]</a>"; forward="/admin/success.jsp"; } else { messages="<li>修改失败！</li>"; href="<a href='javascript:window.history.go(-1)'>[返回]</a>"; forward="/admin/error.jsp"; } request.setAttribute("messages",messages); request.setAttribute("href",href); rd=request.getRequestDispatcher(forward); rd.forward(request,response); } } /** * @功能 实现后台文章管理中的文章浏览功能 */ public void adminSelectList(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException { HttpSession session=request.getSession(); ArticleDao articleDao = new ArticleDao(); String usernumber=(String)session.getAttribute("usernumber"); List articleList=articleDao.queryArticle(usernumber); request.setAttribute("articleList",articleList); RequestDispatcher rd=request.getRequestDispatcher("../admin/article/ArticleList.jsp"); rd.forward(request,response); } /** * @功能 后台-删除文章 */ public void deleteArticle(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException { ArticleDao articleDao = new ArticleDao(); ArticleBean articleBean = new ArticleBean(); String messages=""; String href=""; String forward=""; articleBean.setId(Common.strToint(request.getParameter("id"))); boolean flag=articleDao.operationArticle("delete", articleBean); if (flag) { String typeId=request.getParameter("typeId"); messages+="<li>删除文章成功！</li>"; href="<a href='/DormWeb/servlet/ArticleServlet?action=adminSelectList'>[继续删除其他文章]</a>"; forward="/admin/success.jsp"; } else { messages+="<li>删除文章失败！</li>"; href="<a href='javascript:window.history.go(-1)'>[返回]</a>"; forward="/admin/error.jsp"; } request.setAttribute("messages",messages); request.setAttribute("href",href); RequestDispatcher rd = request.getRequestDispatcher(forward); rd.forward(request, response); } /** * @功能 阅读文章 * @实现 1.增加文章阅读次数<br>2.获取指定文章信息<br>3.获取对该文章的所有评论 */ public void readArticle(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException { HttpSession session=request.getSession(); ArticleBean articleBean = new ArticleBean(); ArticleDao articleDao = new ArticleDao(); ReviewDao reviewDao=new ReviewDao(); String strId=request.getParameter("id"); int id=Common.strToint(strId); articleBean.setId(id); //累加阅读次数 articleDao.operationArticle("readTimes", articleBean); //查询指定文章的详细内容 articleBean=articleDao.queryArticleById(id); //保存articleBean到request对象中 session.setAttribute("readSingle", articleBean); //获取文章评论 List reviewlist=reviewDao.queryReview(id); session.setAttribute("reviewlist",reviewlist); request.setAttribute("reviewlistSize", new Integer(reviewlist.size())); RequestDispatcher rd = request.getRequestDispatcher("/front/article/ArticleSingle.jsp"); rd.forward(request, response); } public void adminReadArticle(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException { HttpSession session=request.getSession(); ArticleBean articleBean = new ArticleBean(); ArticleDao articleDao = new ArticleDao(); ReviewDao reviewDao=new ReviewDao(); String strId=request.getParameter("id"); int id=Common.strToint(strId); articleBean.setId(id); //累加阅读次数 articleDao.operationArticle("readTimes", articleBean); //查询指定文章的详细内容 articleBean=articleDao.queryArticleById(id); //保存articleBean到request对象中 session.setAttribute("readSingle", articleBean); //获取文章评论 List reviewlist=reviewDao.queryReview(id); session.setAttribute("reviewlist",reviewlist); request.set