/// <summary>
/// 根据图书类型和当前页数返回查询的图书
/// </summary>
/// <param name="typeID"></param>
/// <param name="pageIndex"></param>
/// <returns></returns>
public List <BookInfoModel> getBookInfoByType(string typeID, int pageIndex)
{
BookInfoDAL dal = new BookInfoDAL();
return(dal.getBookInfoByPage(typeID, (pageIndex - 1) * 20 + 1, pageIndex * 20));
}