<%
// Variable Declaration
Java. SQL. Connection sqlCon; // database Connection object
Java. SQL. Statement sqlStmt; // SQL Statement object
Java. SQL. ResultSet sqlRst; // result set object
Java. lang. String strCon; // database connection String
Java. lang. String strSQL; // SQL statement
Int intPageSize; // number of records displayed on one page
Int intRowCount; // The total number of records.
Int intPageCount; // the total number of pages.
Int intPage; // the page number to be displayed.
Int layer;
Int idlayer;
Idlayer = 1;
Java. lang. String outtext;
Outtext = "";
Java. lang. String strPage;
Int j;
Int I;
// Set the number of records displayed on one page
IntPageSize = 10;
// Obtain the page number to be displayed
StrPage = request. getParameter ("page ");
If (strPage = null) {// indicates that the page parameter is not found in QueryString. the first page of data is displayed.
IntPage = 1;
}
Else {// convert a string to an integer
IntPage = java. lang. Integer. parseInt (strPage );
If (intPage <1) intPage = 1;
}
// Load the JDBC driver
Class. forName ("org. gjt. mm. mysql. Driver"). newInstance ();
// Connect to the database
SqlCon = java. SQL. DriverManager. getConnection ("jdbc: mysql: // 218.22.156.3/kjeny_db", "kjeny", "cdgame ");
// Create a statement object
SqlStmt = sqlCon. createStatement (java. SQL. ResultSet. TYPE_SCROLL_INSENSITIVE, java. SQL. ResultSet. CONCUR_READ_ONLY );
// Execute the SQL statement and obtain the result set
SqlRst = sqlStmt.exe cuteQuery ("SELECT * FROM dxswlxh ");
// Obtain the total number of records
SqlRst. last ();
IntRowCount = sqlRst. getRow ();
// Calculate the total number of pages
IntPageCount = (intRowCount + intPageSize-1)/intPageSize;
// Adjust the page number to be displayed
If (intPage> intPageCount) intPage = intPageCount;
%>
<Html>
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = gb2312">
<Base target = "contents">
<LINK rel = "stylesheet" href?”css.css ">
<Script language = "JavaScript">
Function byteLen (str ){
Var iByteLen = 0;
If (str = null | str = "") {
IByteLen = 0;
} Else {
For (var I = 0; I <str. length; I ++ ){
If (str. charCodeAt (I) <0 × 80 ){
IByteLen ++;
} Else {
IByteLen + = 2;
}
}
}
Return iByteLen;
}
</Script>
</Head>
<Body topmargin = "0" leftmargin = "0" bgcolor = ccffcc>
<Table width = "100%"> <tr> <td bgcolor = "ff66cc">
> Paging
<Form method = post action = "pink. jsp? Page = 1 "target = ttop>
<Input type = submit value = "first page">
</Form>
<% If (intPage> 1 ){
%>
<Form method = post action = "pink. jsp? Page = intPage-1 %> "target = ttop>
<Input type = submit value = Previous Page>
</Form>
<% }%>
<% If (intPage <intPageCount)
{%>
<Form method = post action = "pink. jsp? Page = <% = intPage + 1%> "target = ttop>
<Input type = submit value = next page>
</Form>
<% }%>
<Form method = post action = "pink. jsp? Page = <% = intPageCount %> "target = ttop>
<Input type = submit value = "last page">
</Form>
Page: <% = intPage %>/<% = intPageCount %> page <% = intPageSize %> entries/Page
</Td> </tr> </table>
<Table>
<Td width = "% 100"> <ul> <%
If (intPageCount> 0 ){
SqlRst. absolute (intPage-1) * intPageSize + 1 );
I = 0;
While (I <intPageSize &&! SqlRst. isAfterLast ()){
String names = sqlRst. getString (3 );
String use_xi = sqlRst. getString (4 );
%>
<Li> <% = names %>-[<% = use_xi %>]
<%
SqlRst. next ();
I ++;
}
}
%>
</Ul> </td> </table>
</Body>
</Html>
<%
// Close the result set
SqlRst. close ();
// Close the SQL statement object
SqlStmt. close ();
// Close the database
SqlCon. close ();
%>
------
If the resultset is empty, Resultset. last () will throw an error message. So before that we need to use Resultset. next () to judge if there are some results.
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