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JSP 中的 struts2+spring+hibernate分页代码[比较多]

出处:互联网   整理: 软晨网（RuanChen.com）   发布: 2009-09-13   浏览: 432 ::
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J2EE系统中分页显示，修改dao层，service层，action层，两个分页类文件，代码如下 dao层接口：
Java代码
复制代码 代码如下:
package com.last999.im.news.dao.impl;
import java.util.*;
import com.last999.im.news.dao.KindEntityDao;
import com.last999.im.news.entity.KindEntity;
import com.last999.im.news.web.PageTool;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.HibernateException;
import org.springframework.orm.hibernate3.HibernateCallback;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
public class KindEntityDaoHibernate extends HibernateDaoSupport implements KindEntityDao{
public KindEntity get(String uuid){
return (KindEntity)getHibernateTemplate().get(KindEntity.class,uuid);
}
public void save(KindEntity kindEntity){
getHibernateTemplate().save(kindEntity);
}
public void update(KindEntity kindEntity){
getHibernateTemplate().saveOrUpdate(kindEntity);
}
public void delete(KindEntity kindEntity){
getHibernateTemplate().delete(kindEntity);
}
public void delete(String uuid){
getHibernateTemplate().delete((KindEntity)getHibernateTemplate().get(KindEntity.class,uuid));
}
public List findAll(){
return getHibernateTemplate().find("from KindEntity");
}
public KindEntity findKindEntityByName(String name){
List k1 = getHibernateTemplate().find("from KindEntity as ke where ke.name = ?",name);
if (k1 != null && k1.size() == 1){
return (KindEntity)k1.get(0);
}
return null;
}
public int getRows(){
return getHibernateTemplate().find("from KindEntity").size();
}
public List getKindEntity(PageTool pageInfo){
final int size1=pageInfo.getSize();
final int startRow=(pageInfo.getCur()-1)*pageInfo.getSize();
return this.getHibernateTemplate().executeFind(new HibernateCallback(){
public List doInHibernate(Session session) throws HibernateException{
Query query = session.createQuery("from KindEntity");
query.setFirstResult(startRow);
query.setMaxResults(size1);
return query.list();
}
}
);
}
}
SERVICE层接口：
Java代码
复制代码 代码如下:
实现类：
Java代码
复制代码 代码如下:
action类：
Java代码
复制代码 代码如下:
分页辅助工具类：
Java代码
package com.last999.im.news.web;
public class PageTool{
private int cur=1;
private int size=6;
private int total=1;
public int getCur(){
return this.cur;
}
public void setCur(int cur) {
this.cur=cur;
}
public int getSize(){
return this.size;
}
public void setSize(int size) {
this.size=size;
}
public int getTotal(){
return this.total;
}
public void setTotal(int total) {
this.total=total;
}
public PageTool(){}
public PageTool(int cur,int size,int total){
this.cur=cur;
this.size=size;
this.total=total;
}
public PageTool(int size){
this.size=size;
this.cur=1;
this.total=1;
}
}
package com.last999.im.news.web;
public class PageTool{
private int cur=1;
private int size=6;
private int total=1;
public int getCur(){
return this.cur;
}
public void setCur(int cur) {
this.cur=cur;
}
public int getSize(){
return this.size;
}
public void setSize(int size) {
this.size=size;
}
public int getTotal(){
return this.total;
}
public void setTotal(int total) {
this.total=total;
}
public PageTool(){}
public PageTool(int cur,int size,int total){
this.cur=cur;
this.size=size;
this.total=total;
}
public PageTool(int size){
this.size=size;
this.cur=1;
this.total=1;
}
}
package com.last999.im.news.web;
public class PageTool{
private int cur=1;
private int size=6;
private int total=1;
public int getCur(){
return this.cur;
}
public void setCur(int cur) {
this.cur=cur;
}
public int getSize(){
return this.size;
}
public void setSize(int size) {
this.size=size;
}
public int getTotal(){
return this.total;
}
public void setTotal(int total) {
this.total=total;
}
public PageTool(){}
public PageTool(int cur,int size,int total){
this.cur=cur;
this.size=size;
this.total=total;
}
public PageTool(int size){
this.size=size;
this.cur=1;
this.total=1;
}
}
J2EE系统中分页显示，修改dao层，service层，action层，两个分页类文件，代码如下
PageMaker.java
Java代码
package com.last999.im.news.web;
import com.last999.im.news.web.PageTool;
public class PageMaker {
public PageMaker(){}
public String makeList(PageTool pageinfo,String url){
int linkNumber=10;
int halfLinkNumber=5;
String pageStyle="<style> .ptbl {border:1px solid #CEDBEF;font-size:12px;padding:0;font-family:Arial;width:auto} .ptbl a {text-decoration:none;color:#555555} .ptbl td {padding-top:0px;padding-bottom:0px;padding-left:4px;padding-right:4px} .strong {background:#CEDBEF;font-weight:800;color:#FF7D00} .strong a{color:#FF7D00} .page_input {background:#ffffff;border:1px solid #CEDBEF;border-top:none;border-bottom:none;color:#FF7D00;width:30px;margin:0px } </style>";
String pageTable="<table border='0'cellpadding='0' cellspacing='0' bgcolor='#CEDBEF' class='ptbl'><tr align='center' bgcolor='#FFFBFF'>";
//a string that will be decretion to show
StringBuffer pagelist=new StringBuffer("");
//get current page.
int curpage=pageinfo.getCur();
int pagenumber=pageinfo.getTotal()/pageinfo.getSize()+1;
//make it's pre,next page
int prepage=curpage-1;
prepage=prepage<=0?1:prepage;
int nextpage=curpage+1;
nextpage=nextpage>=pagenumber?pagenumber:nextpage;
//finger out how many page total
pagelist.append(pageStyle);
pagelist.append(pageTable);
pagelist.append("<td>Record:<font color='red'>"+pageinfo.getTotal()+"</font></td>");
//frist page
//pagelist.append("<td><a href='"+url+"1'>|<</a></td>");
//pagelist.append("<td><a href='"+url+prepage+"'><</a></td>");
if (pagenumber<=linkNumber){
for(int i=1;i<=pagenumber;i++){
if(i==curpage)
pagelist.append("<td class='strong'>"+i+"</td>");
else
pagelist.append("<td><a href='"+url+i+"'>"+i+"</a></td>");
}
}else{
int begin=curpage-halfLinkNumber;
begin=(begin<=0)?1:begin;
begin=((halfLinkNumber+curpage)>pagenumber) ? (pagenumber-linkNumber+1):begin;
for(int i=begin;i<=linkNumber+begin-1;i++){
if(i==curpage){
pagelist.append("<td class='strong'>"+i+"</td>");
pagelist.append("\n");
}
else{
pagelist.append("<td><a href='<s:url action='"+url+"'><s:param name='ppp' value='"+i+"'/></s:url>'>"+i+"</a></td>");
pagelist.append("\n");
}
}
}
//pagelist.append("<td><a href='"+url+nextpage+"'>></a></td>");
//pagelist.append("<td><a href='"+url+pagenumber+"'>>|</a></td>");
pagelist.append("<td>Page:<font color='red'>"+pagenumber+"</font></td></tr></table>");
return pagelist.toString();
}
}
package com.last999.im.news.web;
import com.last999.im.news.web.PageTool;
public class PageMaker {
public PageMaker(){}
public String makeList(PageTool pageinfo,String url){
int linkNumber=10;
int halfLinkNumber=5;
String pageStyle="<style> .ptbl {border:1px solid #CEDBEF;font-size:12px;padding:0;font-family:Arial;width:auto} .ptbl a {text-decoration:none;color:#555555} .ptbl td {padding-top:0px;padding-bottom:0px;padding-left:4px;padding-right:4px} .strong {background:#CEDBEF;font-weight:800;color:#FF7D00} .strong a{color:#FF7D00} .page_input {background:#ffffff;border:1px solid #CEDBEF;border-top:none;border-bottom:none;color:#FF7D00;width:30px;margin:0px } </style>";
String pageTable="<table border='0'cellpadding='0' cellspacing='0' bgcolor='#CEDBEF' class='ptbl'><tr align='center' bgcolor='#FFFBFF'>";
//a string that will be decretion to show
StringBuffer pagelist=new StringBuffer("");
//get current page.
int curpage=pageinfo.getCur();
int pagenumber=pageinfo.getTotal()/pageinfo.getSize()+1;
//make it's pre,next page
int prepage=curpage-1;
prepage=prepage<=0?1:prepage;
int nextpage=curpage+1;
nextpage=nextpage>=pagenumber?pagenumber:nextpage;
//finger out how many page total
pagelist.append(pageStyle);
pagelist.append(pageTable);
pagelist.append("<td>Record:<font color='red'>"+pageinfo.getTotal()+"</font></td>");
//frist page
//pagelist.append("<td><a href='"+url+"1'>|<</a></td>");
//pagelist.append("<td><a href='"+url+prepage+"'><</a></td>");
if (pagenumber<=linkNumber){
for(int i=1;i<=pagenumber;i++){
if(i==curpage)
pagelist.append("<td class='strong'>"+i+"</td>");
else
pagelist.append("<td><a href='"+url+i+"'>"+i+"</a></td>");
}
}else{
int begin=curpage-halfLinkNumber;
begin=(begin<=0)?1:begin;
begin=((halfLinkNumber+curpage)>pagenumber) ? (pagenumber-linkNumber+1):begin;
for(int i=begin;i<=linkNumber+begin-1;i++){
if(i==curpage){
pagelist.append("<td class='strong'>"+i+"</td>");
pagelist.append("\n");
}
else{
pagelist.append("<td><a href='<s:url action='"+url+"'><s:param name='ppp' value='"+i+"'/></s:url>'>"+i+"</a></td>");
pagelist.append("\n");
}
}
}
//pagelist.append("<td><a href='"+url+nextpage+"'>></a></td>");
//pagelist.append("<td><a href='"+url+pagenumber+"'>>|</a></td>");
pagelist.append("<td>Page:<font color='red'>"+pagenumber+"</font></td></tr></table>");
return pagelist.toString();
}
}
J2EE系统中分页显示，修改dao层，service层，action层，两个分页类文件，代码如下
package com.last999.im.news.web;
import com.last999.im.news.web.PageTool;
public class PageMaker {
public PageMaker(){}
public String makeList(PageTool pageinfo,String url){
int linkNumber=10;
int halfLinkNumber=5;
String pageStyle="<style> .ptbl {border:1px solid #CEDBEF;font-size:12px;padding:0;font-family:Arial;width:auto} .ptbl a {text-decoration:none;color:#555555} .ptbl td {padding-top:0px;padding-bottom:0px;padding-left:4px;padding-right:4px} .strong {background:#CEDBEF;font-weight:800;color:#FF7D00} .strong a{color:#FF7D00} .page_input {background:#ffffff;border:1px solid #CEDBEF;border-top:none;border-bottom:none;color:#FF7D00;width:30px;margin:0px } </style>";
String pageTable="<table border='0'cellpadding='0' cellspacing='0' bgcolor='#CEDBEF' class='ptbl'><tr align='center' bgcolor='#FFFBFF'>";
//a string that will be decretion to show
StringBuffer pagelist=new StringBuffer("");
//get current page.
int curpage=pageinfo.getCur();
int pagenumber=pageinfo.getTotal()/pageinfo.getSize()+1;
//make it's pre,next page
int prepage=curpage-1;
prepage=prepage<=0?1:prepage;
int nextpage=curpage+1;
nextpage=nextpage>=pagenumber?pagenumber:nextpage;
//finger out how many page total
pagelist.append(pageStyle);
pagelist.append(pageTable);
pagelist.append("<td>Record:<font color='red'>"+pageinfo.getTotal()+"</font></td>");
//frist page
//pagelist.append("<td><a href='"+url+"1'>|<</a></td>");
//pagelist.append("<td><a href='"+url+prepage+"'><</a></td>");
if (pagenumber<=linkNumber){
for(int i=1;i<=pagenumber;i++){
if(i==curpage)
pagelist.append("<td class='strong'>"+i+"</td>");
else
pagelist.append("<td><a href='"+url+i+"'>"+i+"</a></td>");
}
}else{
int begin=curpage-halfLinkNumber;
begin=(begin<=0)?1:begin;
begin=((halfLinkNumber+curpage)>pagenumber) ? (pagenumber-linkNumber+1):begin;
for(int i=begin;i<=linkNumber+begin-1;i++){
if(i==curpage){
pagelist.append("<td class='strong'>"+i+"</td>");
pagelist.append("\n");
}
else{
pagelist.append("<td><a href='<s:url action='"+url+"'><s:param name='ppp' value='"+i+"'/></s:url>'>"+i+"</a></td>");
pagelist.append("\n");
}
}
}
//pagelist.append("<td><a href='"+url+nextpage+"'>></a></td>");
//pagelist.append("<td><a href='"+url+pagenumber+"'>>|</a></td>");
pagelist.append("<td>Page:<font color='red'>"+pagenumber+"</font></td></tr></table>");
return pagelist.toString();
}
}



KindEntity.java

Java代码
package com.last999.im.news.entity;
/**
* @hibernate.class
* table="kind"
* dynamic-update="true"
*/
public class KindEntity extends Persistent{
private String title;
private String content;
private String parentId;
private String description;
/**
* @hibernate.property
*/
public String getDescription(){
return this.description;
}
public void setDescription(String description) {
this.description=description;
}
private String em1;
private String em2;
private String em3;
/**
* @hibernate.property
*/
public String getEm3(){
return this.em3;
}
public void setEm3(String em3) {
this.em3=em3;
}
/**
* @hibernate.property
*/
public String getEm2(){
return this.em2;
}
public void setEm2(String em2) {
this.em2=em2;
}
/**
* @hibernate.property
*/
public String getEm1(){
return this.em1;
}
public void setEm1(String em1) {
this.em1=em1;
}
/**
* @hibernate.property
*/
public String getParentId(){
return this.parentId;
}
public void setParentId(String parentId) {
this.parentId=parentId;
}
/**
* @hibernate.property
* @hibernate.column name="content" sql-type="TEXT"
*/
public String getContent(){
return this.content;
}
public void setContent(String content) {
this.content=content;
}
/**
* @hibernate.property
*/
public String getTitle(){
return this.title;
}
public void setTitle(String title) {
this.title=title;
}
}
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package com.last999.im.news.entity;
/**
* @hibernate.class
* table="kind"
* dynamic-update="true"
*/
public class KindEntity extends Persistent{
private String title;
private String content;
private String parentId;
private String description;
/**
* @hibernate.property
*/
public String getDescription(){
return this.description;
}
public void setDescription(String description) {
this.description=description;
}
private String em1;
private String em2;
private String em3;
/**
* @hibernate.property
*/
public String getEm3(){
return this.em3;
}
public void setEm3(String em3) {
this.em3=em3;
}
/**
* @hibernate.property
*/
public String getEm2(){
return this.em2;
}
public void setEm2(String em2) {
this.em2=em2;
}
/**
* @hibernate.property
*/
public String getEm1(){
return this.em1;
}
public void setEm1(String em1) {
this.em1=em1;
}
/**
* @hibernate.property
*/
public String getParentId(){
return this.parentId;
}
public void setParentId(String parentId) {
this.parentId=parentId;
}
/**
* @hibernate.property
* @hibernate.column name="content" sql-type="TEXT"
*/
public String getContent(){
return this.content;
}
public void setContent(String content) {
this.content=content;
}
/**
* @hibernate.property
*/
public String getTitle(){
return this.title;
}
public void setTitle(String title) {
this.title=title;
}
}
package com.last999.im.news.entity;
/**
* @hibernate.class
* table="kind"
* dynamic-update="true"
*/
public class KindEntity extends Persistent{
private String title;
private String content;
private String parentId;
private String description;
/**
* @hibernate.property
*/
public String getDescription(){
return this.description;
}
public void setDescription(String description) {
this.description=description;
}
private String em1;
private String em2;
private String em3;
/**
* @hibernate.property
*/
public String getEm3(){
return this.em3;
}
public void setEm3(String em3) {
this.em3=em3;
}
/**
* @hibernate.property
*/
public String getEm2(){
return this.em2;
}
public void setEm2(String em2) {
this.em2=em2;
}
/**
* @hibernate.property
*/
public String getEm1(){
return this.em1;
}
public void setEm1(String em1) {
this.em1=em1;
}
/**
* @hibernate.property
*/
public String getParentId(){
return this.parentId;
}
public void setParentId(String parentId) {
this.parentId=parentId;
}
/**
* @hibernate.property
* @hibernate.column name="content" sql-type="TEXT"
*/
public String getContent(){
return this.content;
}
public void setContent(String content) {
this.content=content;
}
/**
* @hibernate.property
*/
public String getTitle(){
return this.title;
}
public void setTitle(String title) {
this.title=title;
}
}



为什么没有在页面接收的代码:

Html代码
<%@ page contentType="text/html;charset=utf-8" language="java" %>
<%@ taglib prefix="s" uri="/struts-tags"%>
<html>
<head>
<title>
showkind
</title>
</head>
<html>
<body>
<center>
<table border="1">
<tr>
<td>
<table border="0" width="755" bgcolor="#eeeeee">
<tr>
<font size="3">
<b>
These are all the kinds:
</b>
</font>
</tr>
<tr>
<td width="%25">title</td>
<td width="%25">description</td>
<td width="%25">parentId</td>
<td width="25%">Content</td>
</tr>
<s:iterator value="%{kindList}" id="kind">
<tr>
<td>
<s:property value="#kind.title"/>
</td>
<td>
<s:property value="#kind.description"/>
</td>
<td>
<s:property value="#kind.parentId"/>
</td>
<td>
<s:property value="#kind.content"/>
</td>
<!--
<td>
<a href="<s:url action='kindDelete'><s:param name='uuid' value='#kind.uuid'/></s:url>">Delete</a>
</td>
-->
</s:iterator>
</tr>
</table>
</td>
</tr>
</table>
<s:property value="pager" escape="false"/>
</center>
</body>
</html>