纯JSP分页代码之sqlserver2005/2008

昨天看到一篇《纯JSP分页代码 》的文章，是用于mysql，稍微修改下，用于Sqlserver2005/2008，没有异常处理。没有考虑性能等。

现将代码贴出，以供初学者参考：

注：邀月使用环境Eclipse 3.4.2+Tomcat 6.18+Sqlserver2005 sp3调试成功。

页面pagelistDemo.jsp内容：

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <% //连接字符串 String url = "jdbc:sqlserver://" + Globals.Server + ";databaseName=" + Globals.DbName; Class.forName(Globals.driverName).newInstance(); Connection connection = DriverManager.getConnection(url, Globals.username, Globals.pwd); Statement statement = connection.createStatement(); //每页显示记录数 int PageSize = 10; int StartRow = 0; //开始显示记录的编号 int PageNo = 0;//需要显示的页数 int CounterStart = 0;//每页页码的初始值 int CounterEnd = 0;//显示页码的最大值 int RecordCount = 0;//总记录数; int MaxPage = 0;//总页数 int PrevStart = 0;//前一页 int NextPage = 0;//下一页 int LastRec = 0; int LastStartRecord = 0;//最后一页开始显示记录的编号 //获取需要显示的页数，由用户提交 if (request.getParameter("PageNo") == null) { //如果为空，则表示第1页 if (StartRow == 0) { PageNo = StartRow + 1; //设定为1 } } else { PageNo = Integer.parseInt(request.getParameter("PageNo")); //获得用户提交的页数 StartRow = (PageNo - 1) * PageSize; //获得开始显示的记录编号 } //因为显示页码的数量是动态变化的，假如总共有一百页，则不可能同时显示100个链接。而是根据当前的页数显示 //一定数量的页面链接 //设置显示页码的初始值!! if (PageNo % PageSize == 0) { CounterStart = PageNo - (PageSize - 1); } else { CounterStart = PageNo - (PageNo % PageSize) + 1; } CounterEnd = CounterStart + (PageSize - 1); %> <%@page import="net.data.util.Globals"%> <%@page import="java.sql.ResultSet"%> <%@page import="java.sql.DriverManager"%> <%@page import="java.sql.Connection"%> <%@page import="java.sql.Statement"%> <% //获取总记录数 ResultSet rs = statement .executeQuery("select count(P_ID) from product"); rs.next(); RecordCount = rs.getInt(1); //取特定页数的数据 String strColumn = " P_ID,P_Name,LoginID,modTime,P_SingleIntro "; String strTable = " Product "; String strSort = " p_ID desc "; String PKID = "P_ID"; String strSql = ""; String strWhere = ""; String START_ID = Integer.toString((PageNo - 1) * PageSize + 1); String END_ID = Integer.toString(PageNo * PageSize); strSql = " SELECT " + strColumn + " FROM (SELECT ROW_NUMBER() OVER(ORDER BY " + strSort + ") AS rownum," + strColumn + " FROM " + strTable + " WITH(NOLOCK) " + strWhere + ") AS D WHERE rownum BETWEEN " + START_ID + " AND " + END_ID + " ORDER BY " + strSort; rs = statement.executeQuery(strSql); //获取总页数 MaxPage = RecordCount % PageSize; if (RecordCount % PageSize == 0) { MaxPage = RecordCount / PageSize; } else { MaxPage = RecordCount / PageSize + 1; } %>

分页显示记录

<%="总共" + RecordCount + "条记录 - 当前页：" + PageNo + "/" + MaxPage%>

<% long i = 1; while (rs.next()) { long bil = i + (PageNo - 1) * PageSize; %> <% i++; } %>

记录序号	数据标识号	产品名称	作者	提交时间	简介
<%=bil%>	<%=rs.getString(1)%>	<%=rs.getString(2)%>	<%=rs.getString(3)%>	<%=rs.getString(4)%>	<%=rs.getString(5)%>

<% out.print(""); //显示第一页或者前一页的链接 //如果当前页不是第1页，则显示第一页和前一页的链接 if (PageNo != 1) { PrevStart = PageNo - 1; out.print("第一页 : "); out.print("前一页"); } out.print("["); //打印需要显示的页码 for (int c = CounterStart; c <= CounterEnd; c++) { if (c < MaxPage) { if (c == PageNo) { if (c % PageSize == 0) { out.print(c); } else { out.print(c + " ,"); } } else if (c % PageSize == 0) { out.print("" + c + ""); } else { out.print("" + c + " ,"); } } else { if (PageNo == MaxPage) { out.print(c); break; } else { out.print("" + c + ""); break; } } } out.print("]"); ; if (PageNo < MaxPage) { //如果当前页不是最后一页，则显示下一页链接 NextPage = PageNo + 1; out.print("下一页"); } //同时如果当前页不是最后一页，要显示最后一页的链接 if (PageNo < MaxPage) { LastRec = RecordCount % PageSize; if (LastRec == 0) { LastStartRecord = RecordCount - PageSize; } else { LastStartRecord = RecordCount - LastRec; } out.print(":"); out.print("最后一页"); } out.print(""); %>

<% rs.close(); statement.close(); connection.close(); %>  
<% @ page language = " java "  contentType = " text/html; charset=UTF-8 "
    pageEncoding = " UTF-8 " %>
<%
     // 连接字符串
    String url  =   " jdbc:sqlserver:// "   +  Globals.Server
             +   " ;databaseName= "   +  Globals.DbName;
    Class.forName(Globals.driverName).newInstance();
    Connection connection  =  DriverManager.getConnection(url,
            Globals.username, Globals.pwd);
    Statement statement  =  connection.createStatement();

     // 每页显示记录数
     int  PageSize  =   10 ;
     int  StartRow  =   0 ;  // 开始显示记录的编号
     int  PageNo  =   0 ; // 需要显示的页数
     int  CounterStart  =   0 ; // 每页页码的初始值
     int  CounterEnd  =   0 ; // 显示页码的最大值
     int  RecordCount  =   0 ; // 总记录数;
     int  MaxPage  =   0 ; // 总页数
     int  PrevStart  =   0 ; // 前一页
     int  NextPage  =   0 ; // 下一页
     int  LastRec  =   0 ;
     int  LastStartRecord  =   0 ; // 最后一页开始显示记录的编号

     // 获取需要显示的页数，由用户提交
     if  (request.getParameter( " PageNo " )  ==   null )  {  // 如果为空，则表示第1页
         if  (StartRow  ==   0 )  {
            PageNo  =  StartRow  +   1 ;  // 设定为1
        }
    }   else   {
        PageNo  =  Integer.parseInt(request.getParameter( " PageNo " ));  // 获得用户提交的页数
        StartRow  =  (PageNo  -   1 )  *  PageSize;  // 获得开始显示的记录编号
    }

     // 因为显示页码的数量是动态变化的，假如总共有一百页，则不可能同时显示100个链接。而是根据当前的页数显示
     // 一定数量的页面链接

     // 设置显示页码的初始值!!
     if  (PageNo  %  PageSize  ==   0 )  {
        CounterStart  =  PageNo  -  (PageSize  -   1 );
    }   else   {
        CounterStart  =  PageNo  -  (PageNo  %  PageSize)  +   1 ;
    }

    CounterEnd  =  CounterStart  +  (PageSize  -   1 );
%>
DOCTYPE html PUBLIC  " -//W3C//DTD HTML 4.01 Transitional//EN "   " http://www.w3.org/TR/html4/loose.dtd " >

<% @page  import = " net.data.util.Globals " %>
<% @page  import = " java.sql.ResultSet " %>
<% @page  import = " java.sql.DriverManager " %>
<% @page  import = " java.sql.Connection " %>
<% @page  import = " java.sql.Statement " %>
< element >
< html >
< head >
< meta http - equiv = " Content-Type "  content = " text/html; charset=UTF-8 " >
< title > 分页显示记录 title >
< link rel = " stylesheet "  href = " style.css "  type = " text/css " >
head >
<%
     // 获取总记录数
    ResultSet rs  =  statement
            .executeQuery( " select count(P_ID) from product " );
    rs.next();
    RecordCount  =  rs.getInt( 1 );

     // 取特定页数的数据
    String strColumn  =   "  P_ID,P_Name,LoginID,modTime,P_SingleIntro  " ;
    String strTable  =   "  Product  " ;
    String strSort  =   "   p_ID desc  " ;
    String PKID  =   " P_ID " ;
    String strSql  =   "" ;
    String strWhere  =   "" ;
    String START_ID  =  Integer.toString((PageNo  -   1 )  *  PageSize  +   1 );
    String END_ID  =  Integer.toString(PageNo  *  PageSize);
    strSql  =   "  SELECT  "   +  strColumn
             +   "  FROM (SELECT ROW_NUMBER() OVER(ORDER BY  "   +  strSort
             +   " ) AS rownum, "   +  strColumn  +   "   FROM  "   +  strTable
             +   "  WITH(NOLOCK)  "   +  strWhere
             +   " ) AS D  WHERE rownum BETWEEN  "   +  START_ID  +   "  AND  "
             +  END_ID  +   "  ORDER BY  "   +  strSort;
    rs  =  statement.executeQuery(strSql);

     // 获取总页数
    MaxPage  =  RecordCount  %  PageSize;
     if  (RecordCount  %  PageSize  ==   0 )  {
        MaxPage  =  RecordCount  /  PageSize;
    }   else   {
        MaxPage  =  RecordCount  /  PageSize  +   1 ;
    }
%>
< body  class = " UsePageBg " >
< table width = " 100% "  border = " 0 "   class = " InternalHeader " >
     < tr >
         < td width = " 24% " >< font size = 4 > 分页显示记录 font > td >
         < td width = " 76% " >< font size = 4 ><%= " 总共 "   +  RecordCount  +   " 条记录 - 当前页： "   +  PageNo  +   " / "
                     +  MaxPage %> font > td >
     tr >
table >

< br >
< table width = " 100% "  border = " 0 "   class = " NormalTableTwo " >
     < tr >
         < td  class = " InternalHeader " > 记录序号 td >
         < td  class = " InternalHeader " > 数据标识号 td >
         < td  class = " InternalHeader " > 产品名称 td >
         < td  class = " InternalHeader " > 作者 td >
         < td  class = " InternalHeader " > 提交时间 td >
         < td  class = " InternalHeader " > 简介 td >
     tr >

     <%
         long  i  =   1 ;
         while  (rs.next())  {
             long  bil  =  i  +  (PageNo  -   1 )  *  PageSize;
     %>
     < tr >
         < td  class = " NormalFieldTwo " ><%= bil %> td >
         < td  class = " NormalFieldTwo " ><%= rs.getString( 1 ) %> td >
         < td  class = " NormalFieldTwo " ><%= rs.getString( 2 ) %> td >
         < td  class = " NormalFieldTwo " ><%= rs.getString( 3 ) %> td >
         < td  class = " NormalFieldTwo " ><%= rs.getString( 4 ) %> td >
         < td  class = " NormalFieldTwo " ><%= rs.getString( 5 ) %> td >
     tr >
     <%
        i ++ ;
        }
     %>
table >
< br >
< table width = " 100% "  border = " 0 "   class = " InternalHeader " >
     < tr >
         < td >
         < div align = " center " >
         <%
            out.print( " " );
             // 显示第一页或者前一页的链接
             // 如果当前页不是第1页，则显示第一页和前一页的链接
             if  (PageNo  !=   1 )  {
                PrevStart  =  PageNo  -   1 ;
                out.print( " 第一页 :  " );
                out.print( " "   +  PrevStart
                         +   " >前一页 " );
            }
            out.print( " [ " );

             // 打印需要显示的页码
             for  ( int  c  =  CounterStart; c  <=  CounterEnd; c ++ )  {
                 if  (c  <  MaxPage)  {
                     if  (c  ==  PageNo)  {
                         if  (c  %  PageSize  ==   0 )  {
                            out.print(c);
                        }   else   {
                            out.print(c  +   "  , " );
                        }
                    }   else   if  (c  %  PageSize  ==   0 )  {
                        out.print( " "   +  c  +   " > "   +  c
                                 +   " " );
                    }   else   {
                        out.print( " "   +  c  +   " > "   +  c
                                 +   "  , " );
                    }
                }   else   {
                     if  (PageNo  ==  MaxPage)  {
                        out.print(c);
                         break ;
                    }   else   {
                        out.print( " "   +  c  +   " > "   +  c
                                 +   " " );
                         break ;
                    }
                }
            }

            out.print( " ] " );
            ;

             if  (PageNo  <  MaxPage)  {  // 如果当前页不是最后一页，则显示下一页链接
                NextPage  =  PageNo  +   1 ;
                out.print( " "   +  NextPage
                         +   " >下一页 " );
            }

             // 同时如果当前页不是最后一页，要显示最后一页的链接
             if  (PageNo  <  MaxPage)  {
                LastRec  =  RecordCount  %  PageSize;
                 if  (LastRec  ==   0 )  {
                    LastStartRecord  =  RecordCount  -  PageSize;
                }   else   {
                    LastStartRecord  =  RecordCount  -  LastRec;
                }

                out.print( " : " );
                out.print( " "   +  MaxPage
                         +   " >最后一页 " );
            }
            out.print( " " );
         %>
         div >
         td >
     tr >
table >
<%
    rs.close();
    statement.close();
    connection.close();
%>
body >
html >

 

 用到的类文件：Globals.java

/** * */ package net.data.util; /** *//** * @author Administrator * */ public class Globals { public static String username="sa"; public static String pwd="sa"; public static String DbName="TestData"; //public static String Server="192.168.30.6"; public static String Server="192.168.44.2:1433"; public static String Port="1433"; public static String driverName="com.microsoft.sqlserver.jdbc.SQLServerDriver"; // public static String connectionURL { // // return "jdbc:sqlserver://"+Server+":"+Port+";databaseName="+DbName; // } }  
/** */ /**
 * 
  */
package  net.data.util;

/** */ /**
 *  @author  Administrator
 *
  */
public   class  Globals  {
     public   static  String username = " sa " ;
     public   static  String pwd = " sa " ;
     public   static  String DbName = " TestData " ;
     // public static String Server="192.168.30.6";
     public   static  String Server = " 192.168.44.2:1433 " ;
     public   static  String Port = " 1433 " ;
    
     public   static  String driverName = " com.microsoft.sqlserver.jdbc.SQLServerDriver " ;
//     public static String connectionURL {
//         
//             return "jdbc:sqlserver: // "+Server+":"+Port+";databaseName="+DbName;
//     }


}

 

效果如图：