jspjavabbs論壇的設(shè)計(jì)與實(shí)現(xiàn)

/目錄1背景及意義 12系統(tǒng)總體設(shè)計(jì) 31系統(tǒng)目標(biāo) 32系統(tǒng)功能劃分 41前臺(tái)功能結(jié)構(gòu) 42后臺(tái)功能結(jié)構(gòu) 53系統(tǒng)開發(fā)環(huán)境 51開發(fā)環(huán)境 62系統(tǒng)平臺(tái)體系結(jié)構(gòu)的選擇 63JavaScript語言簡介及特點(diǎn) 64JSP概述 65MySQL 76JDBC技術(shù) 73數(shù)據(jù)庫設(shè)計(jì) 83.1數(shù)據(jù)庫分析 93.2數(shù)據(jù)庫概念設(shè)計(jì) 103.3數(shù)據(jù)庫的邏輯設(shè)計(jì) 114系統(tǒng)具體設(shè)計(jì)和實(shí)現(xiàn) 114.1前臺(tái)設(shè)計(jì) 121前臺(tái)頁面設(shè)計(jì)和實(shí)現(xiàn) 132用戶登錄、管理員登錄 143論壇版塊的展示 144發(fā)表新主題 155查看及回復(fù)主題 154.2后臺(tái)設(shè)計(jì) 161管理員登錄 162用戶信息管理 17結(jié)束語 17參考文獻(xiàn) 182.1前臺(tái)功能結(jié)構(gòu)2.2后臺(tái)功能結(jié)構(gòu)1開發(fā)環(huán)境2系統(tǒng)平臺(tái)體系結(jié)構(gòu)的選擇3JSP概述3.3.5MySQL3.3.6JDBC技術(shù)表4-3article134567891011121前臺(tái)頁面設(shè)計(jì)和實(shí)現(xiàn)<% List<Article>articles=newArrayList<Article>(); Connectionconn=DB.getConn(); //創(chuàng)建和數(shù)據(jù)庫的連結(jié) Statementstmt=DB.createStmt(conn); //通過連結(jié)創(chuàng)建Statement對(duì)象 Stringsql="select*fromarticle"; ResultSetrs=DB.executeQuery(stmt,sql); //執(zhí)行sql語句，并返回結(jié)果集 while(rs.next()){ Articlea=newArticle(); a.initFromRs(rs); articles.add(a); } //記錄總查看量 inttotalViewNum=0; //記錄帖子總數(shù) inttotalArticleNum=0; /*查詢出帖子的總查看量*/ for(Iterator<Article>it=articles.iterator();it.hasNext();){ Articlea=it.next(); totalViewNum+=a.getViewCount(); } /*查詢出帖子的總回復(fù)量*/ Stringsql1="selectcount(id)fromarticlewherepid=0"; ResultSetrs1=DB.executeQuery(stmt,sql1); rs1.next(); totalArticleNum=rs1.getInt(1); /*查詢出最終的發(fā)帖作者*/ Stringsql2="select*fromarticleorderbypdatedesc"; ResultSetrs2=DB.executeQuery(stmt,sql2); while(rs2.next()){ Articlea=newArticle(); a.initFromRs(rs2); articles.add(a); } Iterator<Article>it1=articles.iterator(); Articlea1=it1.next(); StringlastWriter=a1.getWriter(); DB.close(rs2); DB.close(rs1); DB.close(rs); DB.close(stmt); DB.close(conn); %>2用戶登錄、管理員登錄<DD><Aclass=jive-acc-loginhref="http://localhost:8080/BBS/loginUser.jsp">一般用戶注冊(cè)</A></DD><DD><Aclass=jive-acc-loginhref="http://localhost:8080/BBS/recordUser.jsp">一般用戶登錄</A></DD><Aclass=jive-acc-loginhref="http://localhost:8080/BBS/recordManager.jsp">管理員登錄入口</A>3論壇版塊的展示<%intlineNum=0; for(Iterator<Article>it=articles.iterator();it.hasNext();){ Articlea=it.next(); StringclassStr=lineNum%2==0?"jive-even":"jive-odd";//區(qū)分奇偶行，以不同效果區(qū)分顯示%><%finalintPAGE_SIZE=8;//每頁顯示的主題數(shù)目 intpageNo=1;//記錄當(dāng)前頁數(shù) StringstrPageNo=request.getParameter("pageNo"); if(strPageNo!=null&&!strPageNo.trim().equals("")){ try{ pageNo=Integer.parseInt(strPageNo); }catch(NumberFormatExceptione){ pageNo=1; } } if(pageNo<=0){ pageNo=1; } inttotalPages=0;//記錄符合要求的總主題頁數(shù) List<Article>articles=newArrayList<Article>(); Connectionconn=DB.getConn(); StatementstmtCount=DB.createStmt(conn); ResultSetrsCount=DB.executeQuery(stmtCount, "selectcount(*)fromarticlewherepid=0"); rsCount.next(); inttotalRecords=rsCount.getInt(1); totalPages=(totalRecords+PAGE_SIZE-1)/PAGE_SIZE; if(pageNo>totalPages){ pageNo=totalPages; } Statementstmt=DB.createStmt(conn); intstartPos=(pageNo-1)*PAGE_SIZE; Stringsql="select*fromarticlewherepid=0orderbypdatedesclimit" +startPos+","+PAGE_SIZE; ResultSetrs=DB.executeQuery(stmt,sql); while(rs.next()){ Articlea=newArticle(); a.initFromRs(rs); articles.add(a); }<%intlineNum=0;for(Iterator<Article>it=articles.iterator();it.hasNext();){ Articlea=it.next(); StringclassStr=lineNum%2==0?"jive-even":"jive-odd";<TRclass="<%=classStr%>"><%lineNum++;%>4發(fā)表新主題5查看及回復(fù)主題<!--fckeditor--><scripttype="text/javascript"src="FCKeditor/fckeditor.js"></script> <scripttype="text/javascript">window.onload=function(){ //Automaticallycalculatestheeditorbasepathbasedonthe_samplesdirectory. //Thisisusefullonlyforthesesamples.Arealapplicationshouldusesomethinglikethis: //oFCKeditor.BasePath='/fckeditor/'; //'/fckeditor/'isthedefaultvalue. varsBasePath="<%=request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+request.getContextPath()+"/FCKeditor/"%>"; varoFCKeditor=newFCKeditor('cont'); oFCKeditor.BasePath =sBasePath; o