我正在尝试通过我的应用程序将图像从图库上传到服务器。这是我的代码:
func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : Any]) {
if let userID:String = userDefaults.string(forKey: "userID"){
let URL: String = "HERE_IS_URL"
let chosenImage = info[UIImagePickerControllerOriginalImage] as! UIImage
let imageData = UIImageJPEGRepresentation(chosenImage, 1.0)
dismiss(animated: true, completion: nil)
userProfilePicture.image = chosenImage
userProfilePicture.contentMode = .scaleToFill
let head: HTTPHeaders = [
"Content-type": "multipart/form-data",
"key": "key"
]
self.alamoManager?.upload(multipartFormData: { (multipartFormData) in
if let data = imageData{
multipartFormData.append(data, withName: "image", fileName: "image.png", mimeType: "image/png")
}
}, usingThreshold: UInt64.init(), to: URL, method: .get, headers: head) { (result) in
switch result{
case .success(let upload, _, _):
upload.responseJSON { response in
print("response: \(response)")
if let err = response.error{
print(err)
return
}
}
case .failure(let error):
print("Error in upload: \(error.localizedDescription)")
}
}
}
}
从图库中选择图像后,我在图像视图中设置图像。API 响应是这样的:
响应:FAILURE:错误域=NSURLErrorDomain Code=-1001“请求超时。”UserInfo={NSUnderlyingError=0x608000245760{Error Domain=kCFErrorDomainCF网络代码=-1001”(空)“UserInfo={_kCFStreamErrorCodeKey=-2102,_kCFSreamErrorDomainKey=4}}},NSErrorFailingURLStringKey=MY_URL,NSErrorFailingURLKey=MY-URL,_kCFtreamErrorDomainKey=4,NSLocalizedDescription=请求超时。}
我用的是Swift 4,Xcode 9。请让我知道我做错了什么?
这是我使用alamofire(swft 4)
上传图像的工作代码。
func uploadImage(userImage : UIImage?,withCompletionHandler:@escaping (_ result: Any) -> Void){
Alamofire.upload(
multipartFormData: { MultipartFormData in
if((userImage) != nil){
MultipartFormData.append(UIImageJPEGRepresentation(userImage!, 0.025)!, withName: "your_tag", fileName: "imageNew.jpeg", mimeType: "image/jpeg")
}
}, to: "your_url_here") { (result) in
switch result {
case .success(let upload, _, _):
upload.responseJSON { response in
// getting success
}
case .failure(let encodingError): break
// getting error
}
}
}
A、 F.A.I.K.应该有三种可能性。
1)图像类型可能不匹配(例如,后端应该可以接受扩展)。
2)图像大小很重要。
3)您需要发送带有适当key_tag的图像。