Oracle & JSP 開發的小型資訊管理系統 (七) 原始碼5

來源:互聯網
上載者:User
js|oracle|資訊管理|原始碼
//index.jsp 改進了的實現分類查詢的預設頁面

<%@ page contentType="text/html;charset=big5"%> <%@ include file="articleconn1.jsp"%><%

String types=request.getParameter("types");if(types==null)types="null";

String query=null;String sqlname=null; %><html><head><meta http-equiv="Content-Type" content="text/html; charset=big5"><title>資訊查詢系統</title>

<script> 

function openwin(id){  window.open("view.jsp?id="+id,"","height=450,width=550,resizable=yes,scrollbars=yes,status=no,toolbar=no,menubar=no,location=no");}

</script><link rel="stylesheet" href="css/style.css"></head>

<body bgcolor="#FFFFFF" topmargin="0" leftmargin="0" marginwidth="0" marginheight="0"><table width="609" border="0" cellspacing="0" cellpadding="0" align="center">  <tr>     <td>       <div align="center"><img src=http://www.163design.net/j/e/"images/TITLE.jpg" width="587" height="174"></div>    </td>  </tr></table>

<center>分類查看資訊:<a href="index.jsp?types=mp3">>>mp3</a> <a href="index.jsp?types=notebook">>>notebook</a> <a href="index.jsp?types=pc">>>computer</a> <a href="index.jsp?types=mobile phone">>>mobile phone</a> </center><div align="center"></div><table width="607" cellpadding="0" cellspacing="0" align="center">  <tr>     <td colspan="3" height="117">       <table border="1" width="100%" bordercolorlight="#000000" bordercolordark="#FFFFFF" cellpadding="0" cellspacing="0" align="center">        <tr>           <td height="16" bgcolor="#B5D85E" width="81%">             <div align="center">    

              <p><font color="#000000"><strong>信 息 列 表</strong></font>               </p>            </div>          </td>        </tr>        <tr>           <td width="81%" align="center" valign="top" height="139">             <div align="center">

              <div align="center">                 <div align="center"><br>                  <br>                  <div align="center">                     <p align="left">                      <%int intPageSize;int intRowCount;//記錄總數int intPageCount;//總頁數int intPage;//頁面參數String strPage;//定義變數用來傳遞pageint i,j;intPageSize=5;//定義每頁顯示5條記錄strPage=request.getParameter("page");//取得當前的頁碼if(strPage==null){//判斷初始頁面,如果沒有顯示記錄,就置為第一頁intPage=1;}else{intPage=Integer.parseInt(strPage);//將strPage轉化為整數if(intPage<1) intPage=1;}

if(types.equals("null")){sqlname=" select count(article_id) from learning ";}else{sqlname=" select count(article_id) from learning where types='"+types+"' "; }

 //sqlname="select count(article_id) from learning where title like '%"+keyword+"%'  and types like '%"+typename+"%' order by article_id desc";

PreparedStatement ps=conn.prepareStatement(sqlname);ResultSet rs1=ps.executeQuery();rs1.next();intRowCount=rs1.getInt(1);//取得整數儲存與intRowCount變數中intPageCount=(intRowCount+intPageSize-1)/intPageSize;//計算出總頁數(記錄總數+每頁顯示的記錄-1)/每頁顯示的記錄)if(intPage>intPageCount)intPage=intPageCount;

if(types.equals("null")){query=" select * from learning order by article_id ";}else{query=" select * from learning where types='"+types+"' order by article_id "; }

ps=conn.prepareStatement(query);//String query=" select * from learning order by article_id ";

ResultSet rs=ps.executeQuery(query);//執行sql,按照時間先後排序顯示i=(intPage-1)*intPageSize;for(j=0;j<i;j++)rs.next();%><%-- 設置intPage參數 --%>   <FORM action=index.jsp method=POST><p align='center' vAlign='bottom'>    第<%=intPage%>頁    共<%=intPageCount%>頁         <%if(intPage>1){%>    <a href="index.jsp?page=<%=intPage-1%>&types=<%=types%>">上一頁</a>           <%}%>        <%if(intPage<intPageCount){%>    <a href="index.jsp?page=<%=intPage+1%>&types=<%=types%>">下一頁</a>       <%}%>     </form>                                        </div>                  <div align="center">                     <center>                      <table border="1" cellspacing="0" width="90%"    bgcolor="#F0F8FF" bordercolorlight="#000000" bordercolordark="#FFFFFF" background="../images/top-linebg.gif">                        <tr>                           <td width="15%" align="center" height="20" bgcolor="#B5D85E"><font color="#000000">ID                             號 </font></td>                          <td width="45%" align="center" bgcolor="#B5D85E"><font color="#000000">信                             息 名 稱</font></td>                          <td width="26%" align="center" bgcolor="#B5D85E"><font color="#000000">上                             載 時 間</font></td>                          <td width="15%" align="center" bgcolor="#B5D85E"><font color="#000000">點                             擊</font></td>                        </tr>                          <%if(intRowCount==0){%>    對不起,還沒有資料!    <%}else{%>  <%-- 顯示每頁的資料 (根據i的值判斷每頁的5條記錄) --%> <%  i=0;  while(i<intPageSize && rs.next()){ %>                        <tr>                           <td width="15%" height="23" bgcolor="#FFFFFF">                             <p align="center"><%=rs.getString("article_id")%>                           </td>                          <td width="45%" bgcolor="#FFFFFF">                              <a href="javascript:openwin(<%=rs.getString("article_id")%>)" title="<%=rs.getString("title")%>"><%=rs.getString("title")%></a>                                                                           </td>                          <td width="26%" bgcolor="#FFFFFF">                             <div align="center"><%=rs.getString("date_and_time")%></div>                          </td>                          <td width="15%" bgcolor="#FFFFFF">                             <p align="center"><%=rs.getString("hits")%>                           </td>                        </tr>          <%   i++;//通過I迴圈設置每頁的頁數    } %>         <%}%>                      </table>                    </center>                  </div>               <FORM action=index.jsp method=POST><p align='center' vAlign='bottom'>    第<%=intPage%>頁    共<%=intPageCount%>頁          <%if(intPage>1){%>    <a href="index.jsp?page=<%=intPage-1%>&types=<%=types%>">上一頁</a>           <%}%>        <%if(intPage<intPageCount){%>    <a href="index.jsp?page=<%=intPage+1%>&types=<%=types%>">下一頁</a>       <%}%>        <br>到第<input type="text" name="page" size="5" value="1"/>頁        <input type="submit" value="確定" class="buttonface">     </form>         <%               String userName=(String)session.getAttribute("admin");         if(userName==null){userName="";}         if(userName.equals("admin")){                  %>            <a href="manage.jsp">系統管理</a><%}         else{%>            <a href="login.jsp">登錄系統管理</a><%}%>                         </div>              </div>            </div>          </td>        </tr>      </table>    </td>  </tr></table><%rs.close();

conn.close(); %> <p align="center">Copyright ©moonsoft 2004</p></body></html>






相關文章

Beyond APAC's No.1 Cloud

19.6% IaaS Market Share in Asia Pacific - Gartner IT Service report, 2018

Learn more >

Apsara Conference 2019

The Rise of Data Intelligence, September 25th - 27th, Hangzhou, China

Learn more >

Alibaba Cloud Free Trial

Learn and experience the power of Alibaba Cloud with a free trial worth $300-1200 USD

Learn more >

聯繫我們

該頁面正文內容均來源於網絡整理,並不代表阿里雲官方的觀點,該頁面所提到的產品和服務也與阿里云無關,如果該頁面內容對您造成了困擾,歡迎寫郵件給我們,收到郵件我們將在5個工作日內處理。

如果您發現本社區中有涉嫌抄襲的內容,歡迎發送郵件至: info-contact@alibabacloud.com 進行舉報並提供相關證據,工作人員會在 5 個工作天內聯絡您,一經查實,本站將立刻刪除涉嫌侵權內容。