using FreeSql.Internal.Model;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
namespace restful
{
public class PagingInfo : BasePagingInfo
{
///
/// 无参构造函数
///
public PagingInfo()
{
}
///
/// 当前为第1页,每页大小的构造函数
///
///
public PagingInfo(int pageSize)
{
PageNumber = 1;
PageSize = pageSize;
}
///
/// 带当前页和每页大小的构造函数
///
///
///
public PagingInfo(int pageNumber, int pageSize)
{
PageNumber = pageNumber;
PageSize = pageSize;
}
///
/// 当前有多少页【只读】
///
public long PageCount => PageSize == 0 ? 0 : (Count + PageSize - 1) / PageSize;
///
/// 是否有上一页【只读】
///
public bool HasPrevious => PageNumber > 1 && PageNumber <= PageCount;
///
/// 是否有下一页【只读】
///
public bool HasNext => PageNumber < PageCount;
///
/// 是否在第一页【只读】
///
public bool IsFrist => PageNumber == 1;
///
/// 是否在最后一页【只读】
///
public bool IsLast => PageNumber == PageCount;
}
}