JSP翻页代码

<%@ pagecontentType="text/html;charset=utf-8" pageEncoding="utf-8"%>

<%@ page language="java"import="java.sql.*" %>

<scriptlanguage="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>

<scriptLANGUAGE="javascript">

function submit10()

{

self.location.replace("fenye.jsp")

}

</script>

<%//变量声明

java.sql.Connection sqlCon; //数据库连接对象

java.sql.Statement sqlStmt; //SQL语句对象

java.sql.ResultSet sqlRst; //结果集对象

java.lang.String strCon; //数据库连接字符串

java.lang.String strSQL; //SQL语句

int intPageSize; //一页显示的记录数

int intRowCount; //记录总数

int intPageCount; //总页数

int intPage; //待显示页码

java.lang.String strPage;

int i;

//设置一页显示的记录数

intPageSize = 10;

//取得待显示页码

strPage =request.getParameter("page");

if(strPage==null){//表明在QueryString中没有page这一个参数，此时显示第一页数据

intPage = 1;

}

else{//将字符串转换成整型

intPage =java.lang.Integer.parseInt(strPage);

if(intPage<1) intPage = 1;

}

//装载JDBC驱动程序

Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");

//设置数据库连接字符串

strCon ="jdbc:sqlserver://192.168.0.117;databaseName=Northwind";

//连接数据库

sqlCon = java.sql.DriverManager.getConnection(strCon,"sa","admin");

//创建一个可以滚动的只读的SQL语句对象

sqlStmt=sqlCon.createStatement(java.sql.ResultSet.TYPE_SCROLL_INSENSITIVE,java.sql.ResultSet.CONCUR_READ_ONLY);//准备SQL语句

strSQL = "select * from etsa";

//执行SQL语句并获取结果集

sqlRst = sqlStmt.executeQuery(strSQL);

//获取记录总数

sqlRst.last();//??光标在最后一行

intRowCount = sqlRst.getRow();//获得当前行号

//记算总页数

intPageCount = (intRowCount+intPageSize-1)/ intPageSize;

//调整待显示的页码

if(intPage>intPageCount) intPage =intPageCount;

%>

<html>

<head>

<metahttp-equiv="Content-Type" content="text/html;charset=utf-8">

<title>分頁</title>

</head>

<body>

<form method="POST"action="">

第<%=intPage%>页 共<%=intPageCount%>页

<%if(intPage<intPageCount){%>

<ahref="fenye.jsp?page=<%=intPage+1%>">下一页</a>

<%}%>

<%if(intPage>1){%>

<ahref="fenye.jsp?page=<%=intPage-1%>">上一页</a>

<%}%>

转到第:<inputtype="text" name="page" size="8"> 页

<input type="submit"value="GO" name="cndok">

</form>

<table border="1"cellspacing="0" cellpadding="0">

<%

if(intPageCount>0){

//将记录指针定位到待显示页的第一条记录上

sqlRst.absolute((intPage-1) * intPageSize +1);

//显示数据

i = 0;

String user_id,user_name;

while(i<intPageSize &&!sqlRst.isAfterLast()){

user_id=sqlRst.getString(1);

user_name=sqlRst.getString(2);

%>

<tr>

<td><%=user_id%></td>

<td><%=user_name%></td>

</tr>

<%

sqlRst.next();

i++;

}

}

%>

</table>

</body>

</html>

<%

//关闭结果集

sqlRst.close();

//关闭SQL语句对象

sqlStmt.close();

//关闭数据库

sqlCon.close();

%>