如何将文件放入 HttpResponseMessage 内容?
How to put a file in the HttpResponseMessage Content?
我想 return HttpResponseMessage 中的文件内容如下:
return Request.CreateResponse(HttpStatusCode.OK, {{a file here}});
或者这样:
return new HttpResponseMessage() {
StatusCode = HttpStatusCode.OK;
Content = {{ a file "example.zip" here}}
};
这可能吗?
您可以使用 System.Net.Http.HttpContent.StreamContent 实例将 FileStream 对象添加到 HttpResponseMessage 的内容 属性。像这样:
// Return archive stream
HttpResponseMessage result = new HttpResponseMessage(HttpStatusCode.OK);
result.Content = new StreamContent(fileStream);
result.Content.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
result.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment") {
FileName = fileName.ToString()
};
请注意,您可能还应该在实际应用程序中为文件内容添加 MD5 校验和。
我想 return HttpResponseMessage 中的文件内容如下:
return Request.CreateResponse(HttpStatusCode.OK, {{a file here}});
或者这样:
return new HttpResponseMessage() {
StatusCode = HttpStatusCode.OK;
Content = {{ a file "example.zip" here}}
};
这可能吗?
您可以使用 System.Net.Http.HttpContent.StreamContent 实例将 FileStream 对象添加到 HttpResponseMessage 的内容 属性。像这样:
// Return archive stream
HttpResponseMessage result = new HttpResponseMessage(HttpStatusCode.OK);
result.Content = new StreamContent(fileStream);
result.Content.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
result.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment") {
FileName = fileName.ToString()
};
请注意,您可能还应该在实际应用程序中为文件内容添加 MD5 校验和。