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Jsp/javabean listing data by page

Source: Internet
Author: User
Tags stmt
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My first jsp paging code
Jsp file: pagedata. jsp // Display Data
Javabean: DataConn. java // connect to the database
Javabean: GetCount. java // number of data records obtained
DataConn. java file content:
Package aliang_org;
Import java. SQL .*;
Public class DataConn {
Public static Connection getDataConn (){
Connection conn = null;
Try {
Class. forName ("com. microsoft. jdbc. sqlserver. SQLServerDriver"). newInstance ();
Conn = DriverManager. getConnection ("jdbc: microsoft: sqlserver: // 127.0.0.1: 1433; DatabaseName = your", "your", "your ");
}
Catch (Exception ex ){
Ex. printStackTrace ();
}
Return conn;
}
}
GetCount. java file content:
Package aliang_org;
Import java. SQL .*;
Import java. util .*;
Import java. io .*;
Public class GetCount {
Private Connection conn;
Public GetCount () throws Exception {
Conn = DataConn. getDataConn ();
}
Public int getCounter () throws Exception {
Int ret = 0;
Statement stmt = conn. createStatement ();
ResultSet rset = stmt.exe cuteQuery ("select count (*) from UserInfos ");
While (rset. next ()){
Ret = rset. getInt (1 );
}
Return ret;
}
}
Pagedata. jsp file content:
<% @ Page contentType = "text/html; charset = gb2312" language = "java" %>
<% @ Page import = "aliang_org. *" %>
<% @ Page import = "java. util. *" %>
<% @ Page import = "java. io. *" %>
<% @ Page import = "java. SQL. *" %>
<Html>
<Head>
<Title>
Jsp/JavaBean listing data by page
</Title>
</Head>
<Body bgcolor = "# ffffff">
<H1> jsp/JavaBean listing data by page <Hr/>
<Jsp: useBean id = "dataConnection" class = "aliang_org.DataConn" scope = "page"/>

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