分页Bean终极封装

 package org.guangsoft.vo;

 import java.util.List;

 public class Page
 {
     private Integer pageNum;
     private Integer pageSize;
     private Long totalCount;

     private Integer pageItemsStart;
     private Integer pageItemsEnd;
     private Integer pageCount;
     private Boolean hasPrePage;
     private Boolean hasNextPage;
     private Integer prePageNum;
     private Integer nextPageNum;
     private Integer firstPageNum;
     private Integer lastPageNum;
     private List dataList;

     public Page()
     {
         super();
     }
     public Page(Integer pageNum, Integer pageSize, Long totalCount)
     {
         super();
         this.pageNum = pageNum;
         this.pageSize = pageSize;
         this.totalCount = totalCount;

         pageItemsStart = (pageNum - 1) * pageSize;
         pageItemsEnd = pageItemsStart + pageSize - 1;
         pageCount = (int) Math.ceil(totalCount * 1.0 / pageSize);
         firstPageNum = totalCount > 0 ? 1 : 0;
         lastPageNum = totalCount > 0 ? pageCount : 0;
         hasPrePage = pageNum > 1 ? true : false;
         hasNextPage = pageNum < lastPageNum ? true : false;
         prePageNum = hasPrePage ? pageNum - 1 : 0;
         nextPageNum = hasNextPage ? pageNum + 1 : 0;
     }
     public Integer getPageNum()
     {
         return pageNum;
     }
     public void setPageNum(Integer pageNum)
     {
         this.pageNum = pageNum;
     }
     public Integer getPageSize()
     {
         return pageSize;
     }
     public void setPageSize(Integer pageSize)
     {
         this.pageSize = pageSize;
     }
     public Long getTotalCount()
     {
         return totalCount;
     }
     public void setTotalCount(Long totalCount)
     {
         this.totalCount = totalCount;
     }
     public Integer getPageItemsStart()
     {
         return pageItemsStart;
     }
     public void setPageItemsStart(Integer pageItemsStart)
     {
         this.pageItemsStart = pageItemsStart;
     }
     public Integer getPageItemsEnd()
     {
         return pageItemsEnd;
     }
     public void setPageItemsEnd(Integer pageItemsEnd)
     {
         this.pageItemsEnd = pageItemsEnd;
     }
     public Integer getPageCount()
     {
         return pageCount;
     }
     public void setPageCount(Integer pageCount)
     {
         this.pageCount = pageCount;
     }
     public Boolean getHasPrePage()
     {
         return hasPrePage;
     }
     public void setHasPrePage(Boolean hasPrePage)
     {
         this.hasPrePage = hasPrePage;
     }
     public Boolean getHasNextPage()
     {
         return hasNextPage;
     }
     public void setHasNextPage(Boolean hasNextPage)
     {
         this.hasNextPage = hasNextPage;
     }
     public Integer getPrePageNum()
     {
         return prePageNum;
     }
     public void setPrePageNum(Integer prePageNum)
     {
         this.prePageNum = prePageNum;
     }
     public Integer getNextPageNum()
     {
         return nextPageNum;
     }
     public void setNextPageNum(Integer nextPageNum)
     {
         this.nextPageNum = nextPageNum;
     }
     public Integer getFirstPageNum()
     {
         return firstPageNum;
     }
     public void setFirstPageNum(Integer firstPageNum)
     {
         this.firstPageNum = firstPageNum;
     }
     public Integer getLastPageNum()
     {
         return lastPageNum;
     }
     public void setLastPageNum(Integer lastPageNum)
     {
         this.lastPageNum = lastPageNum;
     }
     public List getDataList()
     {
         return dataList;
     }
     public void setDataList(List dataList)
     {
         this.dataList = dataList;
     }
 }