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· 2 min read
dotNET China

文件下载

[HttpGet, NonUnify]
public IActionResult FileDownload(string path, string fileName)
{
    string filePath = "这里获取完整的文件下载路径";
    return new FileStreamResult(new FileStream(filePath, FileMode.Open), "application/octet-stream") { FileDownloadName = fileName };
}
关于前端获取文件名

如果前端获取不到文件夹，可添加以下配置：

_httpContextAccessor.HttpContext.Response.Headers.Add("Content-Disposition", $"attachment; filename={文件名}");
_httpContextAccessor.HttpContext.Response.Headers.Add("Access-Control-Expose-Headers", "Content-Disposition");