page.java

来自「基于hibernate + struts框架 采用mssql数据库,因容量原因」· Java 代码 · 共 40 行

package com.hdlb.util;

import java.util.List;

import org.hibernate.Query;

public class Page {
	   
	   private List results;
	   private int pageSize;
	   private int page;
	   
	   public Page(Query query, int page, int pageSize) {
	       
	       this.page = page;
	       this.pageSize = pageSize;
	       results = query.setFirstResult(page * pageSize)
	           .setMaxResults(pageSize+1)
	           .list();
	   
	   }
	   
	   public boolean isNextPage() {
	       return results.size() > pageSize;
	   }
	   
	   public boolean isPreviousPage() {
	       return page > 0;
	   }
	   
	   public List getList() {
	       return isNextPage() ?
	           results.subList(0, pageSize-1) :
	           results;
	   }

	}