简单的用于数据分页的PageBean

 

public   class  PageBean  ... {
    private int pageSize=10;
    private int dataCount=0;
    private int pageCount=0;
    private int currentlyPage=0;
    private int nextPage=0;
    private int lastPage=0;
    public PageBean(int dataCount)
    ...{
        if(dataCount>0)
        ...{
            this.setDataCount(dataCount);
            if(this.dataCount%this.pageSize==0)
                this.setPageCount(this.dataCount/this.pageSize);
            else
                this.setPageCount(this.dataCount/this.pageSize+1);
            this.setCurrentlyPage(1);
        }
    }
    public PageBean(int dataCount,int pageSize)
    ...{
        if(dataCount>0 && pageSize>0)
        ...{
            this.setDataCount(dataCount);
            this.setPageSize(pageSize);
            if(this.dataCount%this.pageSize==0)
                this.setPageCount(this.dataCount/this.pageSize);
            else
                this.setPageCount(this.dataCount/this.pageSize+1);
            this.setCurrentlyPage(1);
        }
    }
    public int getCurrentlyPage() ...{
        return currentlyPage;
    }
    public void setCurrentlyPage(int currentlyPage) ...{
        if(currentlyPage>0 && currentlyPage<=this.pageCount)
        ...{
            this.currentlyPage = currentlyPage;
            if(this.currentlyPage-1>0)
                this.setLastPage(this.currentlyPage-1);
            else
                this.setLastPage(1);
            if(this.currentlyPage+1<=this.pageCount)
                this.setNextPage(this.currentlyPage+1);
            else
                this.setNextPage(this.pageCount);
        }        
    }
    public int getDataCount() ...{
        return dataCount;
    }
    public int getLastPage() ...{
        return lastPage;
    }
    public int getNextPage() ...{
        return nextPage;
    }
    public int getPageCount() ...{
        return pageCount;
    }
    public int getPageSize() ...{
        return pageSize;
    }
    private void setDataCount(int dataCount) ...{
        this.dataCount = dataCount;
    }
    private void setLastPage(int lastPage) ...{
        this.lastPage = lastPage;
    }
    private void setNextPage(int nextPage) ...{
        this.nextPage = nextPage;
    }
    private void setPageCount(int pageCount) ...{
        this.pageCount = pageCount;
    }
    private void setPageSize(int pageSize) ...{
        this.pageSize = pageSize;
    }
            
}