// Admin.NET 项目的版权、商标、专利和其他相关权利均受相应法律法规的保护。使用本项目应遵守相关法律法规和许可证的要求。
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//
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// 本项目主要遵循 MIT 许可证和 Apache 许可证(版本 2.0)进行分发和使用。许可证位于源代码树根目录中的 LICENSE-MIT 和 LICENSE-APACHE 文件。
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//
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// 不得利用本项目从事危害国家安全、扰乱社会秩序、侵犯他人合法权益等法律法规禁止的活动!任何基于本项目二次开发而产生的一切法律纠纷和责任,我们不承担任何责任!
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namespace Admin.NET.Core;
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/// <summary>
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/// Excel文件ActionResult
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/// </summary>
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/// <typeparam name="T"></typeparam>
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public class XlsxFileResult<T> : XlsxFileResultBase where T : class, new()
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{
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public string FileDownloadName { get; }
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public ICollection<T> Data { get; }
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/// <summary>
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///
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/// </summary>
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/// <param name="data"></param>
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/// <param name="fileDownloadName"></param>
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public XlsxFileResult(ICollection<T> data, string fileDownloadName = null)
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{
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FileDownloadName = fileDownloadName;
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Data = data;
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}
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public override async Task ExecuteResultAsync(ActionContext context)
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{
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var exporter = new ExcelExporter();
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var bytes = await exporter.ExportAsByteArray(Data);
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var fs = new MemoryStream(bytes);
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await DownloadExcelFileAsync(context, fs, FileDownloadName);
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}
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}
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/// <summary>
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///
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/// </summary>
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public class XlsxFileResult : XlsxFileResultBase
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{
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/// <summary>
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///
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/// </summary>
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/// <param name="stream"></param>
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/// <param name="fileDownloadName"></param>
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public XlsxFileResult(Stream stream, string fileDownloadName = null)
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{
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Stream = stream;
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FileDownloadName = fileDownloadName;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="bytes"></param>
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/// <param name="fileDownloadName"></param>
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public XlsxFileResult(byte[] bytes, string fileDownloadName = null)
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{
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Stream = new MemoryStream(bytes);
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FileDownloadName = fileDownloadName;
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}
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public Stream Stream { get; protected set; }
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public string FileDownloadName { get; protected set; }
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public override async Task ExecuteResultAsync(ActionContext context)
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{
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await DownloadExcelFileAsync(context, Stream, FileDownloadName);
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}
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}
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/// <summary>
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/// 基类
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/// </summary>
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public class XlsxFileResultBase : ActionResult
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{
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/// <summary>
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/// 下载Excel文件
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/// </summary>
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/// <param name="context"></param>
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/// <param name="stream"></param>
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/// <param name="downloadFileName"></param>
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/// <returns></returns>
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protected virtual async Task DownloadExcelFileAsync(ActionContext context, Stream stream, string downloadFileName)
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{
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var response = context.HttpContext.Response;
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response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
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downloadFileName ??= Guid.NewGuid().ToString("N") + ".xlsx";
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if (string.IsNullOrEmpty(Path.GetExtension(downloadFileName))) downloadFileName += ".xlsx";
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context.HttpContext.Response.Headers.Append("Content-Disposition", new[] { "attachment; filename=" + HttpUtility.UrlEncode(downloadFileName) });
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await stream.CopyToAsync(context.HttpContext.Response.Body);
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}
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}
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