ssh分页2

1、分页的实体Bean

@Repository
public class PageList {
@Autowired//注释调用service
private ToolService toolservice;
@Autowired
private Fenye fenye;
private int nowpage = 1;//当前页
private int countpage = 1;//总页数
private int countList = 1;//总记录数
private int begin = 0;//开始条数
private int pageNum = 4;//每一页显示条数


public List getpageList(String hql,String nowpage){
int n = 1;
try{
n = Integer.parseInt(nowpage);
}catch(Exception e){
n = 1;
}

int listnum = this.toolservice.getPageNum(hql);
this.setNowpage(n);
this.setCountList(listnum);
this.returnNowpage();
List list = this.toolservice.getPageList(hql, this.begin, this.pageNum);
return list;
}
/**
* 得到返回的页数
*/
public void returnNowpage(){
if(this.nowpage >= this.countpage){
if(this.countpage> 1){
this.begin = (this.countpage - 1) * this.pageNum;
this.nowpage = this.countpage;
} else {
this.begin = 0;
this.nowpage = 1;
}
} else {
if (this.nowpage <= 1) {
this.begin = 0;
this.nowpage = 1;
} else {
this.begin = (this.nowpage - 1) * this.pageNum;

}
}

}

public ToolService getToolservice() {
return toolservice;
}
public void setToolservice(ToolService toolservice) {
this.toolservice = toolservice;
}
public int getNowpage() {
return nowpage;
}
public void setNowpage(int nowpage) {
this.nowpage = nowpage;
}

public Fenye getFenye() {
return fenye;
}
public void setFenye(Fenye fenye) {
this.fenye = fenye;
}

public int getCountpage() {
return countpage;
}
public void setCountpage(int countpage) {
this.countpage = countpage;
}
public int getCountList() {
return countList;
}
public void setCountList(int countList) {
this.countList = countList;
this.countpage = (this.countList -1)/this.pageNum + 1;//计算总页数
}

public int getBegin() {
return begin;
}
public void setBegin(int begin) {
this.begin = begin;
}
public int getPageNum() {
return pageNum;
}
public void setPageNum(int pageNum) {
this.pageNum = pageNum;
}

}

2、DAO层的方法

A:

public List findTermEmploy(String hql, int begin,int last) {

Session session = this.hibernatetemplate.getSessionFactory().openSession();
List list1 = session.createQuery(hql).setFirstResult(begin).setMaxResults(last).list();
List list = new ArrayList();
int sessionclose = 0;//控制session是否关闭
for(int i=0;i<list1.size();i++){
Employee employee = (Employee) list1.get(i);
list.add(list1.get(i));
sessionclose++;
}
if(sessionclose >= list1.size()){
session.close();
}

return list;
}

B:

public List findByPage(final String hql, final Object value,final int offset, final int pageSize) {

List list=hibernateTemplate
.executeFind(new HibernateCallback()
{

public Object doInHibernate(org.hibernate.Session session)
throws HibernateException, SQLException {
List result=session.createQuery(hql)
.setParameter(0, value)
.setFirstResult(offset)
.setMaxResults(pageSize)
.list();
return result;
}
});

return list;

}

3、在Action里面用注释的方式注入分页Bean

调用它的的getpageList(String hql,String nowpage)方法就好了，传入HQL语句和要寻找的页码

4、在JSP页面里，

上一页：nowpage =${nowpage + 1}

下一页：nowpage =${nowpage - 1}

首 页：nowpage = 1;

尾 页：nowpage = pageCount;//总页数