java jsp blog 个人博客

package com.yxq.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.yxq.dao.ArticleDao; import com.yxq.dao.ArticleTypeDao; import com.yxq.dao.ReviewDao; import com.yxq.toolsbean.MyTools; import com.yxq.valuebean.ArticleBean; import com.yxq.valuebean.ArticleTypeBean; import com.yxq.valuebean.ReviewBean; public class ArticleServlet extends HttpServlet { protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request,response); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String action = request.getParameter("action"); if(action==null) action=""; if (action.equals("select")) this.selectArticle(request, response); //获取某类别下所有文章 if (action.equals("adminSelectList")) this.adminSelectList(request,response); if (action.equals("adminSelectSingle")) this.adminSelectSingle(request,response); if (action.equals("add")) this.addArticle(request, response); //增加文章 if (action.equals("delete")) this.deleteArticle(request, response); //删除文章 if (action.equals("modify")) this.modifyArticle(request, response); //修改文章 if (action.equals("read")) this.readArticle(request, response); //阅读文章 if (action.equals("followAdd")) this.validateFollow(request, response); //发表文章回复 if (action.equals("typeAdd")) this.addArticleType(request, response); //增加文章类别 if (action.equals("typeSelect")) this.selectArticleType(request, response); //查看文章类别 if (action.equals("typeModify")) this.modifyArticleType(request, response); //修改文章类别 if (action.equals("typeDelete")) this.deleteArticleType(request, response); //删除文章类别 } /** * @功能 验证评论信息 */ public void validateFollow(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { boolean mark=true; String messages=""; String content=request.getParameter("reContent"); if(content==null||content.equals("")){ mark=false; messages="<li>请输入 <b>评论内容！</b></li>"; } if(mark){ content=MyTools.toChinese(content); if(content.length()>1000){ mark=false; messages="<li><b>评论内容</b> 最多允许输入1000个字符！</li>"; } } if(!mark){ request.setAttribute("messages",messages); RequestDispatcher rd=request.getRequestDispatcher("/front/article/error.jsp"); rd.forward(request,response); } else{ followAdd(request,response); } } /** * @功能 添加文章评论 */ public void followAdd(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { int id=Integer.parseInt(request.getParameter("articleId")); String author=MyTools.toChinese(request.getParameter("reAuthor")); String content=MyTools.toChinese(request.getParameter("reContent")); String today=MyTools.changeTime(new Date()); if(author==null||author.equals("")) author="匿名好友"; ReviewBean reviewBean = new ReviewBean(); reviewBean.setArticleId(id); reviewBean.setReAuthor(author); reviewBean.setReContent(content); reviewBean.setReSdTime(today); ReviewDao reviewDao = new ReviewDao(); String messages=""; String forward=""; boolean mark=reviewDao.operationReview("add",reviewBean); if (mark) { forward="/front/article/success.jsp"; messages="<li>发表评论成功！</li>"; } else { forward="/front/article/error.jsp"; messages="<li>发表评论失败！</li>"; } request.setAttribute("messages",messages); 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=MyTools.strToint(strId); articleBean.setId(id); articleDao.operationArticle("readTimes", articleBean); //累加阅读次数 articleBean=articleDao.queryArticleSingle(id); //查询指定文章的详细内容 session.setAttribute("readSingle", articleBean); //保存articleBean到request对象中 List reviewlist=reviewDao.queryReview(id); session.setAttribute("reviewlist",reviewlist); RequestDispatcher rd = request.getRequestDispatcher("/front/article/ArticleSingle.jsp"); 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=MyTools.strToint(request.getParameter("id")); ArticleBean articleBean=articleDao.queryArticleSingle(id); request.setAttribute("modifySingle",articleBean); rd=request.getRequestDispatcher("/admin/article/ArticleModify.jsp"); rd.forward(request,response); } else{ String messages=""; String href=""; String forward=""; boolean flag=validateArticle(request,response); if(flag){ ArticleBean articleBean = new ArticleBean(); articleBean.setId(MyTools.strToint(request.getParameter("id"))); articleBean.setTypeId(MyTools.strToint(request.getParameter("typeId"))); articleBean.setTitle(MyTools.toChinese(request.getParameter("title"))); articleBean.setCreate(MyTools.toChinese(request.getParameter("create"))); articleBean.setInfo(MyTools.toChinese(request.getParameter("info"))); articleBean.setContent(MyTools.toChinese(request.getParameter("content"))); boolean mark=articleDao.operationArticle("modify",articleBean); if (mark) { messages="<li>修改成功！</li>"; href="<a href='ArticleServlet?action=adminSelectList&typeId="+session.getAttribute("showTypeId")+"'>[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); } else{ href="<a href='javascript:window.history.go(-1)>[返回]</a>"; forward="/admin/error.jsp"; request.setAttribute("href",href); } rd=request.getRequestDispatcher(forward); 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(MyTools.strToint(request.getParameter("id"))); boolean mark=articleDao.operationArticle("delete", articleBean); if (mark) { String typeId=request.getParameter("typeId"); messages+="<li>删除文章成功！</li>"; href="<a href='ArticleServlet?action=adminSelectList&typeId="+typeId+"'>[继续删除其他文章]</a>"; forward="/a