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😎优化base64文件上传

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This commit is contained in:
zuohuaijun 2024-09-13 17:33:59 +08:00
parent d686e3c32d
commit ee9f0a1798
1 changed files with 10 additions and 6 deletions
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16
Admin.NET/Admin.NET.Core/Service/File/SysFileService.cs
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@ -76,18 +76,22 @@ public class SysFileService : IDynamicApiController, ITransient
[DisplayName("上传文件Base64")] [DisplayName("上传文件Base64")]
public async Task<SysFile> UploadFileFromBase64(UploadFileFromBase64Input input) public async Task<SysFile> UploadFileFromBase64(UploadFileFromBase64Input input)
{ {
byte[] fileData = Convert.FromBase64String(input.FileDataBase64); var pattern = @"data:(?<type>.+?);base64,(?<data>[^""]+)";
var regex = new Regex(pattern, RegexOptions.Compiled);
var match = regex.Match(input.FileDataBase64);
byte[] fileData = Convert.FromBase64String(match.Groups["data"].Value);
var contentType = match.Groups["type"].Value;
if (string.IsNullOrEmpty(input.FileName))
input.FileName = $"{YitIdHelper.NextId()}.{contentType.AsSpan(contentType.LastIndexOf('/') + 1)}";
var ms = new MemoryStream(); var ms = new MemoryStream();
ms.Write(fileData); ms.Write(fileData);
ms.Seek(0, SeekOrigin.Begin); ms.Seek(0, SeekOrigin.Begin);
if (string.IsNullOrEmpty(input.FileName))
input.FileName = $"{YitIdHelper.NextId()}.jpg";
if (string.IsNullOrEmpty(input.ContentType))
input.ContentType = "image/jpg";
IFormFile formFile = new FormFile(ms, 0, fileData.Length, "file", input.FileName) IFormFile formFile = new FormFile(ms, 0, fileData.Length, "file", input.FileName)
{ {
Headers = new HeaderDictionary(), Headers = new HeaderDictionary(),
ContentType = input.ContentType ContentType = contentType
}; };
return await UploadFile(new FileUploadInput { File = formFile, Path = input.Path, FileType = input.FileType, IsPublic = input.IsPublic }); return await UploadFile(new FileUploadInput { File = formFile, Path = input.Path, FileType = input.FileType, IsPublic = input.IsPublic });
} }