JSP實現(xiàn)的簡單分頁顯示效果代碼

%@ page contentType="text/html;charset=gb2312" %>
%@ page language="java" import="java.sql.*" %>
script language="javascript">
function newwin(url) {
var
newwin=window.open(url,"newwin","toolbar=no,location=no,directories=no,status=no, menubar=no,scrollbars=yes,resizable=yes,width=600,height=450");
newwin.focus();
return false;
}
/SCRIPT>
script LANGUAGE="javascript">
function submit10()
{
self.location.replace("fenye1.jsp")
}
/SCRIPT>
%//變量聲明
java.sql.Connection sqlCon; //數(shù)據(jù)庫連接對象
java.sql.Statement sqlStmt; //SQL語句對象
java.sql.ResultSet sqlRst; //結(jié)果集對象
java.lang.String strCon; //數(shù)據(jù)庫連接字符串
java.lang.String strSQL; //SQL語句
int intPageSize; //一頁顯示的記錄數(shù)
int intRowCount; //記錄總數(shù)
int intPageCount; //總頁數(shù)
int intPage; //待顯示頁碼
java.lang.String strPage;
int i;
//設(shè)置一頁顯示的記錄數(shù)
intPageSize = 4;
//取得待顯示頁碼
strPage = request.getParameter("page");
if(strPage==null){//表明在QueryString中沒有page這一個參數(shù)，此時顯示第一頁數(shù)據(jù)
intPage = 1;
}
else{//將字符串轉(zhuǎn)換成整型
intPage = java.lang.Integer.parseInt(strPage);
if(intPage1) intPage = 1;
}
//裝載JDBC驅(qū)動程序
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
//設(shè)置數(shù)據(jù)庫連接字符串
strCon = "jdbc:odbc:heyang";
//連接數(shù)據(jù)庫
sqlCon = java.sql.DriverManager.getConnection(strCon,"sa","");
//創(chuàng)建一個可以滾動的只讀的SQL語句對象
sqlStmt =
sqlCon.createStatement(java.sql.ResultSet.TYPE_SCROLL_INSENSITIVE,java.sql.Result
Set.CONCUR_READ_ONLY);//準備SQL語句
strSQL = "select user_id,user_name from userinfo order by user_id desc";
//執(zhí)行SQL語句并獲取結(jié)果集
sqlRst = sqlStmt.executeQuery(strSQL);
//獲取記錄總數(shù)
sqlRst.last();//??光標在最后一行
intRowCount = sqlRst.getRow();//獲得當前行號
//記算總頁數(shù)
intPageCount = (intRowCount+intPageSize-1) / intPageSize;
//調(diào)整待顯示的頁碼
if(intPage>intPageCount) intPage = intPageCount;
%>
html>
head>
meta http-equiv="Content-Type" content="text/html; charset=gb2312">
title>會員管理/title>
/head>
body>
form method="POST" action="fenye1.jsp">
第%=intPage%>頁 共%=intPageCount%>頁
%if(intPageintPageCount){%>a
href="fenye1.jsp?page=%=intPage+1%>">下一頁
/a>%}%> %if(intPage>1){%>a href="fenye1.jsp?page=%=intPage-1%>">
上一頁/a>%}%>
轉(zhuǎn)到第:input type="text" name="page" size="8"> 頁
span>input class=buttonface type='submit' value='GO' name='cndok'>/span>
/form>
table border="1" cellspacing="0" cellpadding="0">
tr>
th>用戶名/th>
th width='8%'>刪除/th>
/tr>
%
if(intPageCount>0){
//將記錄指針定位到待顯示頁的第一條記錄上
sqlRst.absolute((intPage-1) * intPageSize + 1);
//顯示數(shù)據(jù)
i = 0;
String user_id,user_name;
while(iintPageSize  !sqlRst.isAfterLast()){
user_id=sqlRst.getString(1);
user_name=sqlRst.getString(2);
%>
tr>
td>%=user_id%>/td>
td>%=user_name%>/td>
td width='8%' align='center'>a href="delete.jsp?user_id=%=user_id%>"
onClick="return newwin(this.href);">刪除/a>/td>
/tr>
%
sqlRst.next();
i++;
}
}
%>
/table>
/body>
/html>
%
//關(guān)閉結(jié)果集
sqlRst.close();
//關(guān)閉SQL語句對象
sqlStmt.close();
//關(guān)閉數(shù)據(jù)庫
sqlCon.close();
%>