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jsp+oracle實現資料庫內容以表格形式在前台顯示（包含分頁）
在檔案夾內新增list_emp.jsp
代碼如下：
1 <%@ page contentType="text/html" pageEncoding="GBK"%> 2 <%@ page import="java.sql.*"%> 3 <html> 4 <head><title>java study</title></head> 5 <body> 6 <%! 7 //定義資料庫驅動程式 8 public String DBDRIVER="oracle.jdbc.driver.OracleDriver"; 9 //資料庫連接地址 10 public String DBURL="jdbc:oracle:thin:@localhost:1521:yy"; 11 public String DBUSER="scott"; 12 public String DBPASS="tiger"; 13 14 %> 15 <% 16 Connection conn=null; 17 PreparedStatement pstmt=null; 18 ResultSet rs=null; 19 %> 20 <% 21 try{ 22 Class.forName(DBDRIVER); 23 conn=DriverManager.getConnection(DBURL,DBUSER,DBPASS); 24 int pageSize=3; 25 int pageNow=1;//預設顯示第一頁 26 int rowCount=0;//總筆數 27 int pageCount=0; 28 String s_pageNow=(String)request.getParameter("pageNow"); 29 if(s_pageNow!=null){ 30 pageNow = Integer.parseInt(s_pageNow); 31 } 32 String sql1 = "select count(*) from emp"; 33 pstmt=conn.prepareStatement(sql1); 34 rs=pstmt.executeQuery(); 35 if(rs.next()){ 36 rowCount = rs.getInt(1); 37 } 38 if(rowCount%pageSize==0){ 39 pageCount = rowCount/pageSize; 40 }else{ 41 pageCount = rowCount/pageSize + 1; 42 } 43 String sql="SELECT empno,ename,job,hiredate,sal FROM (select a1.*,rownum rn from (select * from emp order by sal desc) a1 WHERE rownum<="+pageSize*pageNow+") where rn>="+((pageNow-1)*pageSize+1); 44 pstmt=conn.prepareStatement(sql); 45 rs=pstmt.executeQuery(); 46 %> 47 <center> 48 <table border="1" width="80%"> 49 <tr> 50 <td>僱員編號</td> 51 <td>僱員姓名</td> 52 <td>僱員工作</td> 53 <td>僱員日期</td> 54 <td>僱員工資</td> 55 </tr> 56 <% 57 while(rs.next()){ 58 int empno=rs.getInt(1); 59 String ename=rs.getString(2); 60 String job=rs.getString(3); 61 java.util.Date date=rs.getDate(4); 62 float sal=rs.getFloat(5); 63 %> 64 <tr> 65 <td><%=empno%></td> 66 <td><%=ename%></td> 67 <td><%=job%></td> 68 <td><%=date%></td> 69 <td><%=sal%></td> 70 </tr> 71 <% 72 } 73 %> 74 </table> 75 <form Action= "" method= "post"> 76 <% 77 for(int i=1;i<=pageCount;i++){ 78 out.println("<a href=list_emp.jsp?pageNow="+i+">["+i+"]</a>"); 79 } 80 if(pageNow != 1){ 81 out.println( " <a href=list_emp.jsp?pageNow=1>首頁</a> "); 82 out.println( " <a href=list_emp.jsp?pageNow="+(pageNow - 1)+">上一頁</a> "); 83 } 84 if(pageNow != pageCount){ 85 out.println( " <a href= list_emp.jsp?pageNow="+ (pageNow + 1)+"> 下一頁</a>"); 86 out.println( " <a href= list_emp.jsp?pageNow="+ pageCount+"> 最後一頁</a>"); 87 } 88 %> 89 </form> 90 </center> 91 <% 92 }catch(Exception e){ 93 System.out.println(e); 94 } 95 finally{ 96 try{ 97 rs.close(); 98 pstmt.close(); 99 conn.close(); 100 }catch(Exception e){ 101 System.out.println(e); 102 } 103 } 104 %> 105 </body> 106 </html>
來源於 ：http://blog.csdn.net/josephiney/article/details/6989841
jsp+oracle實現資料庫內容以表格形式在前台顯示（包含分頁）
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