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417 lines
17 KiB
417 lines
17 KiB
5 months ago
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// 大名科技（天津）有限公司版权所有 电话：18020030720 QQ：515096995
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//
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// 此源代码遵循位于源代码树根目录中的 LICENSE 文件的许可证
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using Aliyun.OSS.Util;
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using Furion.VirtualFileServer;
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using OnceMi.AspNetCore.OSS;
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namespace Admin.NET.Core.Service;
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/// <summary>
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/// 系统文件服务
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/// </summary>
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[ApiDescriptionSettings(Order = 410)]
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public class SysFileService : IDynamicApiController, ITransient
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{
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private readonly UserManager _userManager;
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private readonly SqlSugarRepository<SysFile> _sysFileRep;
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private readonly OSSProviderOptions _OSSProviderOptions;
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private readonly UploadOptions _uploadOptions;
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private readonly IOSSService _OSSService;
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public SysFileService(UserManager userManager,
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SqlSugarRepository<SysFile> sysFileRep,
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IOptions<OSSProviderOptions> oSSProviderOptions,
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IOptions<UploadOptions> uploadOptions,
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IOSSServiceFactory ossServiceFactory)
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{
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_userManager = userManager;
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_sysFileRep = sysFileRep;
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_OSSProviderOptions = oSSProviderOptions.Value;
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_uploadOptions = uploadOptions.Value;
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if (_OSSProviderOptions.IsEnable)
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_OSSService = ossServiceFactory.Create(Enum.GetName(_OSSProviderOptions.Provider));
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}
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/// <summary>
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/// 获取文件分页列表
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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[DisplayName("获取文件分页列表")]
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public async Task<SqlSugarPagedList<SysFile>> Page(PageFileInput input)
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{
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return await _sysFileRep.AsQueryable()
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.WhereIF(!string.IsNullOrWhiteSpace(input.FileName), u => u.FileName.Contains(input.FileName.Trim()))
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.WhereIF(!string.IsNullOrWhiteSpace(input.StartTime.ToString()) && !string.IsNullOrWhiteSpace(input.EndTime.ToString()),
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u => u.CreateTime >= input.StartTime && u.CreateTime <= input.EndTime)
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.OrderBy(u => u.CreateTime, OrderByType.Desc)
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.ToPagedListAsync(input.Page, input.PageSize);
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}
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/// <summary>
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/// 上传文件
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/// </summary>
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/// <param name="file"></param>
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/// <param name="path"></param>
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/// <returns></returns>
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[DisplayName("上传文件")]
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public async Task<SysFile> UploadFile([Required] IFormFile file, [FromQuery] string? path)
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{
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return await HandleUploadFile(file, path);
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}
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/// <summary>
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/// 上传文件Base64
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/// </summary>
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/// <param name="strBase64"></param>
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/// <param name="fileName"></param>
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/// <param name="contentType"></param>
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/// <param name="path"></param>
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/// <returns></returns>
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private async Task<SysFile> UploadFileFromBase64(string strBase64, string fileName, string contentType, string? path)
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{
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byte[] fileData = Convert.FromBase64String(strBase64);
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var ms = new MemoryStream();
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ms.Write(fileData);
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ms.Seek(0, SeekOrigin.Begin);
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if (string.IsNullOrEmpty(fileName))
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fileName = $"{YitIdHelper.NextId()}.jpg";
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if (string.IsNullOrEmpty(contentType))
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contentType = "image/jpg";
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IFormFile formFile = new FormFile(ms, 0, fileData.Length, "file", fileName)
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{
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Headers = new HeaderDictionary(),
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ContentType = contentType
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};
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return await UploadFile(formFile, path);
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}
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/// <summary>
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/// 上传文件Base64
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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[DisplayName("上传文件Base64")]
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[HttpPost]
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public async Task<SysFile> UploadFileFromBase64(UploadFileFromBase64Input input)
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{
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return await UploadFileFromBase64(input.FileDataBase64, input.FileName, input.ContentType, input.Path);
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}
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/// <summary>
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/// 上传多文件
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/// </summary>
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/// <param name="files"></param>
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/// <returns></returns>
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[DisplayName("上传多文件")]
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public async Task<List<SysFile>> UploadFiles([Required] List<IFormFile> files)
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{
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var filelist = new List<SysFile>();
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foreach (var file in files)
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{
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filelist.Add(await UploadFile(file, ""));
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}
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return filelist;
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}
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/// <summary>
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/// 根据文件Id或Url下载
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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[DisplayName("根据文件Id或Url下载")]
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public async Task<IActionResult> DownloadFile(FileInput input)
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{
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var file = input.Id > 0 ? await GetFile(input) : await _sysFileRep.GetFirstAsync(u => u.Url == input.Url);
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var fileName = HttpUtility.UrlEncode(file.FileName, Encoding.GetEncoding("UTF-8"));
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if (_OSSProviderOptions.IsEnable)
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{
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var filePath = string.Concat(file.FilePath, "/", file.Id.ToString() + file.Suffix);
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var stream = await (await _OSSService.PresignedGetObjectAsync(file.BucketName.ToString(), filePath, 5)).GetAsStreamAsync();
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return new FileStreamResult(stream.Stream, "application/octet-stream") { FileDownloadName = fileName + file.Suffix };
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}
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else
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{
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var filePath = Path.Combine(file.FilePath, file.Id.ToString() + file.Suffix);
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var path = Path.Combine(App.WebHostEnvironment.WebRootPath, filePath);
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return new FileStreamResult(new FileStream(path, FileMode.Open), "application/octet-stream") { FileDownloadName = fileName + file.Suffix };
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}
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}
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/// <summary>
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/// 下载指定文件Base64格式
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/// </summary>
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/// <param name="url"></param>
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/// <returns></returns>
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[AllowAnonymous]
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public async Task<string> DownloadFileBase64([FromBody] string url)
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{
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if (_OSSProviderOptions.IsEnable)
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{
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using var httpClient = new HttpClient();
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HttpResponseMessage response = await httpClient.GetAsync(url);
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if (response.IsSuccessStatusCode)
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{
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// 读取文件内容并将其转换为 Base64 字符串
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byte[] fileBytes = await response.Content.ReadAsByteArrayAsync();
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return Convert.ToBase64String(fileBytes);
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}
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else
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{
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throw new HttpRequestException($"Request failed with status code: {response.StatusCode}");
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}
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}
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else
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{
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var sysFile = await _sysFileRep.GetFirstAsync(u => u.Url == url) ?? throw Oops.Oh($"文件不存在");
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var filePath = Path.Combine(App.WebHostEnvironment.WebRootPath, sysFile.FilePath);
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if (!Directory.Exists(filePath))
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Directory.CreateDirectory(filePath);
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var realFile = Path.Combine(filePath, $"{sysFile.Id}{sysFile.Suffix}");
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if (!File.Exists(realFile))
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throw Oops.Oh($"文件[{realFile}]不在存");
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byte[] fileBytes = File.ReadAllBytes(realFile);
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return Convert.ToBase64String(fileBytes);
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}
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}
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/// <summary>
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/// 删除文件
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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[ApiDescriptionSettings(Name = "Delete"), HttpPost]
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[DisplayName("删除文件")]
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public async Task DeleteFile(DeleteFileInput input)
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{
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var file = await _sysFileRep.GetFirstAsync(u => u.Id == input.Id);
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if (file != null)
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{
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await _sysFileRep.DeleteAsync(file);
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if (_OSSProviderOptions.IsEnable)
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{
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await _OSSService.RemoveObjectAsync(file.BucketName.ToString(), string.Concat(file.FilePath, "/", $"{input.Id}{file.Suffix}"));
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}
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else
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{
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var filePath = Path.Combine(App.WebHostEnvironment.WebRootPath, file.FilePath, input.Id.ToString() + file.Suffix);
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if (File.Exists(filePath))
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File.Delete(filePath);
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}
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}
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}
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/// <summary>
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/// 更新文件
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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[ApiDescriptionSettings(Name = "Update"), HttpPost]
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[DisplayName("更新文件")]
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public async Task UpdateFile(FileInput input)
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{
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var isExist = await _sysFileRep.IsAnyAsync(u => u.Id == input.Id);
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if (!isExist) throw Oops.Oh(ErrorCodeEnum.D8000);
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await _sysFileRep.UpdateAsync(u => new SysFile() { FileName = input.FileName }, u => u.Id == input.Id);
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}
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/// <summary>
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/// 获取文件
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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private async Task<SysFile> GetFile([FromQuery] FileInput input)
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{
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var file = await _sysFileRep.GetFirstAsync(u => u.Id == input.Id);
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return file ?? throw Oops.Oh(ErrorCodeEnum.D8000);
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}
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/// <summary>
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/// 上传文件
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/// </summary>
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/// <param name="file">文件</param>
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/// <param name="savePath">路径</param>
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/// <returns></returns>
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private async Task<SysFile> HandleUploadFile(IFormFile file, string savePath)
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{
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if (file == null) throw Oops.Oh(ErrorCodeEnum.D8000);
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// 判断是否重复上传的文件
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var sizeKb = (long)(file.Length / 1024.0); // 大小KB
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var fileMd5 = string.Empty;
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if (_uploadOptions.EnableMd5)
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{
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using (var fileStream = file.OpenReadStream())
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{
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fileMd5 = OssUtils.ComputeContentMd5(fileStream, fileStream.Length);
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}
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/*
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* Mysql8 中如果使用了 utf8mb4_general_ci 之外的编码会出错，尽量避免在条件里使用.ToString()
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* 因为 Squsugar 并不是把变量转换为字符串来构造SQL语句，而是构造了CAST(123 AS CHAR)这样的语句，这样这个返回值是utf8mb4_general_ci，所以容易出错。
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*/
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var strSizeKb = sizeKb.ToString();
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var sysFile = await _sysFileRep.GetFirstAsync(u => u.FileMd5 == fileMd5 && (u.SizeKb == null || u.SizeKb == strSizeKb));
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if (sysFile != null) return sysFile;
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}
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var path = savePath;
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if (string.IsNullOrWhiteSpace(savePath))
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{
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path = _uploadOptions.Path;
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var reg = new Regex(@"(\{.+?})");
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var match = reg.Matches(path);
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match.ToList().ForEach(a =>
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{
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var str = DateTime.Now.ToString(a.ToString().Substring(1, a.Length - 2)); // 每天一个目录
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path = path.Replace(a.ToString(), str);
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});
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}
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if (!_uploadOptions.ContentType.Contains(file.ContentType))
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throw Oops.Oh(ErrorCodeEnum.D8001);
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if (sizeKb > _uploadOptions.MaxSize)
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throw Oops.Oh(ErrorCodeEnum.D8002);
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var suffix = Path.GetExtension(file.FileName).ToLower(); // 后缀
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if (string.IsNullOrWhiteSpace(suffix))
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{
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var contentTypeProvider = FS.GetFileExtensionContentTypeProvider();
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suffix = contentTypeProvider.Mappings.FirstOrDefault(u => u.Value == file.ContentType).Key;
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// 修改 image/jpeg 类型返回的 .jpe 后缀
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if (suffix == ".jpe")
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suffix = ".jpg";
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}
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if (string.IsNullOrWhiteSpace(suffix))
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throw Oops.Oh(ErrorCodeEnum.D8003);
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var newFile = new SysFile
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{
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Id = YitIdHelper.NextId(),
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// BucketName = _OSSProviderOptions.IsEnable ? _OSSProviderOptions.Provider.ToString() : "Local",
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// 阿里云对bucket名称有要求，1.只能包括小写字母，数字，短横线（-）2.必须以小写字母或者数字开头 3.长度必须在3-63字节之间
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// 无法使用Provider
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BucketName = _OSSProviderOptions.IsEnable ? _OSSProviderOptions.Bucket : "Local",
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FileName = Path.GetFileNameWithoutExtension(file.FileName),
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Suffix = suffix,
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SizeKb = sizeKb.ToString(),
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FilePath = path,
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FileMd5 = fileMd5,
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};
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var finalName = newFile.Id + suffix; // 文件最终名称
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if (_OSSProviderOptions.IsEnable)
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{
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newFile.Provider = Enum.GetName(_OSSProviderOptions.Provider);
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var filePath = string.Concat(path, "/", finalName);
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await _OSSService.PutObjectAsync(newFile.BucketName, filePath, file.OpenReadStream());
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// http://<你的bucket名字>.oss.aliyuncs.com/<你的object名字>
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// 生成外链地址 方便前端预览
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switch (_OSSProviderOptions.Provider)
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{
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case OSSProvider.Aliyun:
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newFile.Url = $"{(_OSSProviderOptions.IsEnableHttps ? "https" : "http")}://{newFile.BucketName}.{_OSSProviderOptions.Endpoint}/{filePath}";
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break;
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case OSSProvider.Minio:
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// 获取Minio文件的下载或者预览地址
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// newFile.Url = await GetMinioPreviewFileUrl(newFile.BucketName, filePath);// 这种方法生成的Url是有7天有效期的，不能这样使用
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// 需要在MinIO中的Buckets开通对 Anonymous 的readonly权限
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newFile.Url = $"{(_OSSProviderOptions.IsEnableHttps ? "https" : "http")}://{_OSSProviderOptions.Endpoint}/{newFile.BucketName}/{filePath}";
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break;
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}
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}
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else
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{
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newFile.Provider = ""; // 本地存储 Provider 显示为空
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var filePath = Path.Combine(App.WebHostEnvironment.WebRootPath, path);
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if (!Directory.Exists(filePath))
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Directory.CreateDirectory(filePath);
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var realFile = Path.Combine(filePath, finalName);
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//IDetector detector;
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|
|
using (var stream = File.Create(realFile))
|
||
|
|
{
|
||
|
|
await file.CopyToAsync(stream);
|
||
|
|
//detector = stream.DetectFiletype();
|
||
|
|
}
|
||
|
|
//var realExt = detector.Extension; // 真实扩展名
|
||
|
|
//// 二次校验扩展名
|
||
|
|
//if (!string.Equals(realExt, suffix.Replace(".", ""), StringComparison.OrdinalIgnoreCase))
|
||
|
|
//{
|
||
|
|
// var delFilePath = Path.Combine(App.WebHostEnvironment.WebRootPath, realFile);
|
||
|
|
// if (File.Exists(delFilePath))
|
||
|
|
// File.Delete(delFilePath);
|
||
|
|
// throw Oops.Oh(ErrorCodeEnum.D8001);
|
||
|
|
//}
|
||
|
|
|
||
|
|
// 生成外链
|
||
|
|
var host = CommonUtil.GetLocalhost();
|
||
|
|
if (!host.EndsWith("/"))
|
||
|
|
host += "/";
|
||
|
|
newFile.Url = $"{host}{newFile.FilePath}/{newFile.Id + newFile.Suffix}";
|
||
|
|
}
|
||
|
|
await _sysFileRep.AsInsertable(newFile).ExecuteCommandAsync();
|
||
|
|
return newFile;
|
||
|
|
}
|
||
|
|
|
||
|
|
///// <summary>
|
||
|
|
///// 获取Minio文件的下载或者预览地址
|
||
|
|
///// </summary>
|
||
|
|
///// <param name="bucketName">桶名</param>
|
||
|
|
///// <param name="fileName">文件名</param>
|
||
|
|
///// <returns></returns>
|
||
|
|
//private async Task<string> GetMinioPreviewFileUrl(string bucketName, string fileName)
|
||
|
|
//{
|
||
|
|
// return await _OSSService.PresignedGetObjectAsync(bucketName, fileName, 7);
|
||
|
|
//}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// 上传头像
|
||
|
|
/// </summary>
|
||
|
|
/// <param name="file"></param>
|
||
|
|
/// <returns></returns>
|
||
|
|
[DisplayName("上传头像")]
|
||
|
|
public async Task<SysFile> UploadAvatar([Required] IFormFile file)
|
||
|
|
{
|
||
|
|
var sysFile = await UploadFile(file, "Upload/Avatar");
|
||
|
|
|
||
|
|
var sysUserRep = _sysFileRep.ChangeRepository<SqlSugarRepository<SysUser>>();
|
||
|
|
var user = sysUserRep.GetFirst(u => u.Id == _userManager.UserId);
|
||
|
|
// 删除已有头像文件
|
||
|
|
if (!string.IsNullOrWhiteSpace(user.Avatar))
|
||
|
|
{
|
||
|
|
var fileId = Path.GetFileNameWithoutExtension(user.Avatar);
|
||
|
|
await DeleteFile(new DeleteFileInput { Id = long.Parse(fileId) });
|
||
|
|
}
|
||
|
|
await sysUserRep.UpdateAsync(u => new SysUser() { Avatar = sysFile.Url }, u => u.Id == user.Id);
|
||
|
|
return sysFile;
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// 上传电子签名
|
||
|
|
/// </summary>
|
||
|
|
/// <param name="file"></param>
|
||
|
|
/// <returns></returns>
|
||
|
|
[DisplayName("上传电子签名")]
|
||
|
|
public async Task<SysFile> UploadSignature([Required] IFormFile file)
|
||
|
|
{
|
||
|
|
var sysFile = await UploadFile(file, "Upload/Signature");
|
||
|
|
|
||
|
|
var sysUserRep = _sysFileRep.ChangeRepository<SqlSugarRepository<SysUser>>();
|
||
|
|
var user = sysUserRep.GetFirst(u => u.Id == _userManager.UserId);
|
||
|
|
// 删除已有电子签名文件
|
||
|
|
if (!string.IsNullOrWhiteSpace(user.Signature) && user.Signature.EndsWith(".png"))
|
||
|
|
{
|
||
|
|
var fileId = Path.GetFileNameWithoutExtension(user.Signature);
|
||
|
|
await DeleteFile(new DeleteFileInput { Id = long.Parse(fileId) });
|
||
|
|
}
|
||
|
|
await sysUserRep.UpdateAsync(u => new SysUser() { Signature = sysFile.Url }, u => u.Id == user.Id);
|
||
|
|
return sysFile;
|
||
|
|
}
|
||
|
|
}
|