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在上传使用alamofire 4得到以下参数的图像：无法使用alamofire 4参数上传图像？
Alamofire.DefaultDataResponse(request: url, response: Optional(<NSHTTPURLResponse: 0x17523cde0> { URL: rl} { status code: 409, headers {
"Cache-Control" = "no-cache";
Connection = "keep-alive";
"Content-Length" = 32;
"Content-Type" = "application/json";
Date = "Tue, 04 Apr 2017 20:23:50 GMT";
Server = "nginx/1.8.1 + Phusion Passenger 4.0.60";
Status = "409 Conflict";
Vary = Origin;
"X-Powered-By" = "Phusion Passenger 4.0.60";
"X-Request-Id" = "4bd65f3e-9cae-4f69-8d5f-139dfed6c148";
"X-Runtime" = "0.490166"; } }), data: Optional(32 bytes), error: nil, timeline: Timeline: { "Request Start Time": 513030074.617, "Initial Response Time": 513030127.999, "Request Completed Time":
513030230.298, "Serialization Completed Time": 513030230.303, "Latency": 53.382 secs, "Request Duration": 155.681 secs, "Serialization Duration": 0.005 secs, "Total Duration": 155.686 secs }, _metrics: Optional((Task Interval) <_NSConcreteDateInterval: 0x17163b000> (Start Date) 2017-04-04 20:21:14 +0000 + (Duration)
155.679614 seconds = (End Date) 2017-04-04 20:23:50 +0000 (Redirect Count) 0 (Transaction Metrics) (Request) <NSURLRequest: 0x170202da0> { URL: url } { status code: 409, headers {
"Cache-Control" = "no-cache";
Connection = "keep-alive";
"Content-Length" = 32;
"Content-Type" = "application/json";
Date = "Tue, 04 Apr 2017 20:23:50 GMT";
Server = "nginx/1.8.1 + Phusion Passenger 4.0.60";
Status = "409 Conflict";
Vary = Origin;
"X-Powered-By" = "Phusion Passenger 4.0.60";
"X-Request-Id" = "4bd65f3e-9cae-4f69-8d5f-139dfed6c148";
"X-Runtime" = "0.490166"; } } (Fetch Start) 2017-04-04 20:22:07 +0000 (Domain Lookup Start) 2017-04-04 20:22:07 +0000 (Domain Lookup End) 2017-04-04 20:22:07 +0000 (Connect Start) 2017-04-04 20:22:07
+0000 (Secure Connection Start) (null) (Secure Connection End) (null) (Connect End) 2017-04-04 20:22:07 +0000 (Request Start) 2017-04-04 20:22:07 +0000 (Request End) 2017-04-04 20:23:48 +0000 (Response Start) 2017-04-04 20:23:50 +0000 (Response End) 2017-04-04 20:23:50
+0000 (Protocol Name) http/1.1 (Proxy Connection) NO (Reused Connection) NO (Fetch Type) Network Load
没不懂。图片没有上传，但获得了这些回复。如果有人遇到这样的问题，请帮忙。