mirror of
https://gitee.com/ThingsGateway/ThingsGateway.git
synced 2025-10-27 21:57:10 +08:00
91 lines
3.6 KiB
C#
91 lines
3.6 KiB
C#
//------------------------------------------------------------------------------
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// 此代码版权声明为全文件覆盖，如有原作者特别声明，会在下方手动补充
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// 此代码版权（除特别声明外的代码）归作者本人Diego所有
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// 源代码使用协议遵循本仓库的开源协议及附加协议
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// Gitee源代码仓库：https://gitee.com/diego2098/ThingsGateway
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// Github源代码仓库：https://github.com/kimdiego2098/ThingsGateway
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// 使用文档：https://thingsgateway.cn/
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// QQ群：605534569
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//------------------------------------------------------------------------------
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using Microsoft.AspNetCore.Components.Forms;
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using Microsoft.AspNetCore.Mvc;
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using System.Text;
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using System.Web;
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using ThingsGateway.FriendlyException;
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namespace ThingsGateway.Admin.Application;
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internal sealed class FileService : IFileService
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{
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private IStringLocalizer<FileService> _localizer;
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public FileService(
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IStringLocalizer<FileService> localizer)
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{
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_localizer = localizer;
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}
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/// <summary>
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/// 获取本地存储文件流
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/// </summary>
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/// <param name="path">文件夹</param>
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/// <param name="fileName">文件名称</param>
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/// <param name="isPathFolder">第一个参数是否是包含文件名称的全路径</param>
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/// <returns>文件流</returns>
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public FileStreamResult GetFileStreamResult(string path, string fileName, bool isPathFolder = false)
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{
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if (isPathFolder) path = path.CombinePathWithOs(fileName);
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fileName = HttpUtility.UrlEncode(fileName, Encoding.GetEncoding("UTF-8"));//文件名转utf8不然前端下载会乱码
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//文件转流
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var result = new FileStreamResult(new FileStream(path, FileMode.Open), "application/octet-stream")
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{
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FileDownloadName = fileName
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};
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return result;
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}
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/// <summary>
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/// 按字节数组转为文件流
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/// </summary>
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/// <param name="byteArray">字节数组</param>
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/// <param name="fileName">文件名称</param>
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/// <returns>文件流</returns>
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public FileStreamResult GetFileStreamResult(byte[] byteArray, string fileName)
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{
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fileName = HttpUtility.UrlEncode(fileName, Encoding.GetEncoding("UTF-8"));//文件名转utf8不然前端下载会乱码
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//文件转流
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var result = new FileStreamResult(new MemoryStream(byteArray), "application/octet-stream")
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{
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FileDownloadName = fileName
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};
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return result;
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}
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/// <summary>
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/// 上传文件，保存在磁盘中
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/// </summary>
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/// <param name="pPath">保存路径</param>
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/// <param name="file">文件</param>
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/// <returns>最终全路径</returns>
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public Task<string> UploadFileAsync(IBrowserFile file, string pPath = "imports")
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{
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return file.StorageLocal(pPath);
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}
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/// <summary>
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/// 验证文件信息
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/// </summary>
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/// <param name="file">文件</param>
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/// <param name="maxSize">最大文件大小</param>
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/// <param name="allowTypes">扩展名称匹配</param>
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public void Verification(IBrowserFile file, int maxSize = 200, string[]? allowTypes = null)
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{
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if (file == null) throw Oops.Bah(_localizer["FileNullError"]);
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if (file.Size > maxSize * 1024 * 1024) throw Oops.Bah(_localizer["FileLengthError", maxSize]);
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var fileSuffix = Path.GetExtension(file.Name).ToLower().Split(".")[1]; // 文件后缀
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string[] allowTypeS = allowTypes == null ? ["xlsx"] : allowTypes;//允许上传的文件类型
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if (!allowTypeS.Contains(fileSuffix)) throw Oops.Bah(_localizer["FileTypeError", fileSuffix]);
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}
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}
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