A JSP paging component

This is simple and practical. I will share it with you here. Package page; Import java. util. List; Import java. util. vector; Public class pagination { Private int sumpagenumber; Private int sumitemnumber; Private int pagenumber; Private int showitemnumber; Private string visitpageurl; Private string pagehtml; Public list interceptlistbystaritemnumber (list itemlist ){ Int startitem = (pageNumber-1) * showitemnumber; List tpitemlist = new vector (); If (itemlist = NULL ){ Return NULL; } Sumitemnumber = itemlist. Size (); If (sumitemnumber % showitemnumber = 0 ){ Sumpagenumber = sumitemnumber/showitemnumber; } Else { Sumpagenumber = sumitemnumber/showitemnumber + 1; } For (INT I = 0; I <itemlist. Size (); I ++ ){ // Do not exceed the maximum number of truncated entries, If (I) = (startitem + showitemnumber )){ Break; } // Add the object to the new list when the number of loops reaches the start. If (I)> = startitem ){ Tpitemlist. Add (itemlist. Get (I )); } } Return tpitemlist; }

Public String buildhtml (string twidth ){
String tablewidth = twidth;
String visitfirstpageurl = "";
String visitnextpageurl = "";
String visitpreviusurl = "";
String visitendurl = "";
Visitpageurl = visitpageurl + "? Showitemnumber = "+ showitemnumber +" & pagenumber = ";
If (pagenumber = 1 ){
Visitfirstpageurl = "[homepage] & nbsp ;";
Visitpreviusurl = "[Previous Page] & nbsp ;";
} Else {
Visitfirstpageurl = "<a href = '" + visitpageurl + "1'> [homepage] </a> & nbsp ;";
Visitpreviusurl = "<a href = '" + visitpageurl + (pageNumber-1) + "'> [Previous Page] </a> & nbsp ;";
}
If (pagenumber = sumpagenumber ){
Visitnextpageurl = "[Next Page] & nbsp ;";
Visitendurl = "[end page] & nbsp ;";
} Else {
Visitnextpageurl = "<a href = '" + visitpageurl + (pagenumber + 1) + "'> [Next Page] </a> & nbsp ;";
Visitendurl = "<a href = '" + visitpageurl + sumpagenumber + "'> [last page] </a> ";
}

Stringbuffer sb = new stringbuffer ();
SB. append ("<Table width =" + tablewidth );
SB. append ("> <tr> <TD align = right> ");
SB. append ("current is page [" + pagenumber + "] & nbsp ;");
SB. append ("total [" + sumpagenumber + "] Page & nbsp;" + "total [" + sumitemnumber + "] & nbsp ;");
SB. append (visitfirstpageurl );
SB. append (visitpreviusurl );
SB. append (visitnextpageurl );
SB. append (visitendurl );
SB. append ("</TD> & nbsp; </tr> </table> ");
Return sb. tostring ();
}

Public int getpagenumber (){
Return pagenumber;
}

Public void setpagenumber (INT pagenumber ){
This. pagenumber = pagenumber;
}

Public int getshowitemnumber (){
Return showitemnumber;
}

Public void setshowitemnumber (INT showitemnumber ){
This. showitemnumber = showitemnumber;
}

Public int getsumitemnumber (){
Return sumitemnumber;
}

Public int getsumpagenumber (){
Return sumpagenumber;
}

Public String getvisitpageurl (){
Return visitpageurl;
}

Public void setvisitpageurl (string visitpageurl ){
This. visitpageurl = visitpageurl;
}

Public String getpagehtml (){
Return pagehtml;
}
}

JSP page call:

<% @ Page import = "Page. *" %>
<% @ Page import = "Java. util. *" %>

<% @ Page contenttype = "text/html; charset = GBK" %>

JSP paging component:
<%
Vector list = new vector ();
For (INT I = 0; I <100; I ++)
List. Add (I + "");
Pagination = NULL;
String pagenumber = request. getparameter ("pagenumber ");

Int showitemnumber = 5;
If (pagenumber = NULL ){
Pagenumber = "1 ";
}
String html = "";
If (list! = NULL & list. Size ()> 0 ){
Pagination = new pagination ();
Pagination. setpagenumber (integer. parseint (pagenumber ));
Pagination. setshowitemnumber (showitemnumber );
Pagination. setvisitpageurl ("allshetuan. jsp ");
List = (vector) pagination. interceptlistbystaritemnumber (list );
For (INT I = 0; I <list. Size (); I ++)
{
Out. Print ("<br>" + list. Get (I ));
}
Html = pagination. buildhtml ("600 ");
Out. Print (HTML );
}

%>