pager jar网址：http://java2s.com/Code/Jar/t/Downloadtaglibspagejar.htm
package com.binary.entity;
import java.util.List;
public class PageModel<T> {
private long total;//页数
private List<T> dates;//当前页的数据
public long getTotal() {
return total;
}
public void setTotal(long total) {
this.total = total;
}
public List<T> getDates() {
return dates;
}
public void setDates(List<T> dates) {
this.dates = dates;
}
}
package com.binary.entity;
public class Pager {
private int offset;//offset表示从那一页开始记录
public int getOffset() {
return offset;
}
public void setOffset(int offset) {
this.offset = offset;
}
}
package
com.binary.entity;
import
java.util.HashSet;
import
java.util.Set;
/**
* User entity.
@author
MyEclipse Persistence Tools
*/
public
class
User
implements
java.io.Serializable {
//
Fields
private
Integer id;
private
String uname;
private
String upass;
private
String meun;
//
Constructors
/**
default constructor
*/
public
User() {
}
/**
minimal constructor
*/
public
User(String meun) {
this
.meun =
meun;
}
/**
full constructor
*/
public
User(String uname, String upass, String meun, Set meuns) {
this
.uname =
uname;
this
.upass =
upass;
this
.meun =
meun;
}
//
Property accessors
public
Integer getId() {
return
this
.id;
}
public
void
setId(Integer id) {
this
.id =
id;
}
public
String getUname() {
return
this
.uname;
}
public
void
setUname(String uname) {
this
.uname =
uname;
}
public
String getUpass() {
return
this
.upass;
}
public
void
setUpass(String upass) {
this
.upass =
upass;
}
public
String getMeun() {
return
this
.meun;
}
public
void
setMeun(String meun) {
this
.meun =
meun;
}
}
import
java.util.List;
import
org.hibernate.Query;
import
org.hibernate.Session;
import
org.hibernate.SessionFactory;
import
org.hibernate.cfg.Configuration;
import
com.binary.entity.PageModel;
import
com.binary.entity.User;
public
class
UserDao {
public
PageModel<User> getUsers(
int
offset,
int
maxResult) {
Configuration cf
=
new
Configuration().configure();
SessionFactory sf
=
cf.buildSessionFactory();
Session session
=
sf.openSession();
Query q
= session.createQuery("from User"
);
PageModel
<User> users=
new
PageModel<User>
();
users.setTotal(q.list().size());
q.setFirstResult(offset);
q.setMaxResults(maxResult);
users.setDates(q.list());
session.close();
return
users;
}
}
package
com.dan.biz;
import
com.binary.entity.PageModel;
import
com.binary.entity.User;
import
com.dan.dao.UserDao;
public
class
UserBiz {
public
PageModel<User> getUsers(
int
offset,
int
maxResult) {
return
new
UserDao().getUsers(offset, maxResult);
}
}
package
com.dan.action;
import
org.apache.struts2.ServletActionContext;
import
com.binary.entity.PageModel;
import
com.binary.entity.Pager;
import
com.binary.entity.User;
import
com.dan.biz.UserBiz;
import
com.opensymphony.xwork2.ActionSupport;
public
class
UserAction
extends
ActionSupport {
private
Pager pager=
new
Pager();
//
存放偏移量
private
int
numPerPage=2;
//
每页的数据量
private
long
totalCount;
//
总页数
private
String str;
public
String getStr() {
return
str;
}
public
void
setStr(String str) {
this
.str =
str;
}
public
Pager getPager() {
return
pager;
}
public
void
setPager(Pager pager) {
this
.pager =
pager;
}
public
int
getNumPerPage() {
return
numPerPage;
}
public
void
setNumPerPage(
int
numPerPage) {
this
.numPerPage =
numPerPage;
}
public
long
getTotalCount() {
return
totalCount;
}
public
void
setTotalCount(
long
totalCount) {
this
.totalCount =
totalCount;
}
public
String execute() {
System.out.println(str);
UserBiz biz
=
new
UserBiz();
PageModel
<User> users=
biz.getUsers(pager.getOffset(), numPerPage);
totalCount
=
users.getTotal();
ServletActionContext.getRequest().setAttribute(
"user"
, users.getDates());
return
SUCCESS;
}
}
page.tag封装成tag标签
<%@tag pageEncoding="utf-8" %>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="pg" uri="/WEB-INF/lib/pager-taglib.jar" %>
<%@attribute name="color" required="true" %>
<%@attribute name="totalCount" required="true" rtexprvalue="true" %>
<%@attribute name="numPerPage" required="true" rtexprvalue="true" %>
<pg:pager items="${totalCount }" url="user" export="currentPageNumber=pageNumber"
maxPageItems
="${numPerPage }" maxIndexPages="5">
<pg:first>
<a href="${pageUrl }">首页</a>
</pg:first>
<pg:prev>
<a href="${pageUrl }">前页</a>
</pg:prev>
<pg:pages>
<c:choose>
<c:when test="${pageNumber == currentPageNumber}">
<font color="red">${pageNumber }</font>
</c:when>
<c:otherwise>
<a href="${pageUrl }">${pageNumber }</a>
</c:otherwise>
</c:choose>
</pg:pages>
<pg:next>
<a href="${pageUrl }&str=aaaa">下一页</a>
</pg:next>
<pg:last>
<a href="${pageUrl }">尾页</a>
</pg:last>
${pageUrl }
</pg:pager>
jsp代码
<%@ page language="java"
import
="java.util.*" pageEncoding="utf-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="pg" uri="/WEB-INF/lib/pager-taglib.jar" %>
<%@ taglib prefix="page" tagdir="/WEB-INF/tags" %>
<%
String path
=
request.getContextPath();
String basePath
= request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"
;
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'index.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
</head>
<body>
<c:forEach items="${user }" var="u">
${u.uname }
</c:forEach>
<page:page color="red" numPerPage="${numPerPage }" totalCount="${totalCount }"></page:page>
</body>
</html>
