分页的action都继承自 PageAction

public abstract class PageAction extends BaseAction
{
    private static final int DEFAULT_PAGE_SIZE = 10;

    protected int pageNo = 0;

    protected int pageSize = DEFAULT_PAGE_SIZE;

    public int getPageNo()
    {
        return pageNo;
    }

    public void setPageNo(int pageNo)
    {
        this.pageNo = pageNo;
    }

    public int getPageSize()
    {
        return pageSize;
    }

    public void setPageSize(int pageSize)
    {
        this.pageSize = pageSize < 1 ? DEFAULT_PAGE_SIZE : pageSize;
    }
}