[HttpGet]
public IActionResult GetFile(
string filepath)
{
if (
string.IsNullOrEmpty(filepath)) filepath =
"D:\\ABC.log";
var provider =
new FileExtensionContentTypeProvider();
FileInfo fileInfo =
new FileInfo(filepath);
var ext =
fileInfo.Extension;
new FileExtensionContentTypeProvider().Mappings.TryGetValue(ext,
out var contenttype);
return File(System.IO.File.ReadAllBytes(filepath), contenttype ??
"application/octet-stream", fileInfo.Name);
}
原来有方法可以获取到contenttype，忘了。
转载于:https://www.cnblogs.com/huanyun/p/11310659.html
相关资源：Web Api 通过文件流 下载文件到本地实例
