63 lines
1.6 KiB
C#
63 lines
1.6 KiB
C#
namespace OrpaonVision.Core.Results;
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/// <summary>
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/// 分页结果。
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/// </summary>
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/// <typeparam name="T">数据项类型。</typeparam>
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public sealed class PagedResult<T>
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{
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/// <summary>
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/// 数据项列表。
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/// </summary>
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public IReadOnlyList<T> Items { get; init; } = [];
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/// <summary>
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/// 总记录数。
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/// </summary>
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public int TotalCount { get; init; }
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/// <summary>
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/// 页码（从1开始）。
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/// </summary>
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public int PageIndex { get; init; }
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/// <summary>
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/// 每页大小。
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/// </summary>
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public int PageSize { get; init; }
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/// <summary>
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/// 总页数。
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/// </summary>
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public int TotalPages => (int)Math.Ceiling((double)TotalCount / PageSize);
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/// <summary>
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/// 是否有上一页。
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/// </summary>
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public bool HasPreviousPage => PageIndex > 1;
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/// <summary>
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/// 是否有下一页。
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/// </summary>
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public bool HasNextPage => PageIndex < TotalPages;
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/// <summary>
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/// 创建成功的分页结果。
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/// </summary>
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/// <param name="items">数据项列表。</param>
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/// <param name="totalCount">总记录数。</param>
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/// <param name="pageIndex">页码。</param>
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/// <param name="pageSize">每页大小。</param>
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/// <returns>分页结果。</returns>
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public static PagedResult<T> Success(IReadOnlyList<T> items, int totalCount, int pageIndex, int pageSize)
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{
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return new PagedResult<T>
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{
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Items = items,
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TotalCount = totalCount,
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PageIndex = pageIndex,
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PageSize = pageSize
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};
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}
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}
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