[英]Uploading image to server reached damaged using AFNetworking
我一直很努力地将图像上传到服务器,并且成功上传,但是在服务器端,如果我尝试打开图像, cannot be displayed because it contains errors
它说cannot be displayed because it contains errors
。我正在使用AFNetworking在将图像转换为JPEGRepresentation后上传图像。
let uploadManager : AFHTTPSessionManager = AFHTTPSessionManager()
uploadManager.responseSerializer = AFHTTPResponseSerializer() as AFHTTPResponseSerializer
uploadManager.requestSerializer = AFHTTPRequestSerializer() as AFHTTPRequestSerializer
uploadManager.requestSerializer.timeoutInterval = 20
uploadManager.POST(baseURL, parameters: nil, constructingBodyWithBlock: { (formData) -> Void in
let selectedImage = self.userImage.image
let imageData : NSData = UIImageJPEGRepresentation(selectedImage!, 0.5)!
formData.appendPartWithFileData(imageData, name: "1", fileName: "userimage\(self.objManager.userID)", mimeType: "image/jpeg")
print("Size of Image(Kbytes):\(imageData.length/1024)")
print(baseURL)
}, progress: nil, success: { (task, responseObject) -> Void in
let jsonData: NSData = responseObject as! NSData
let dataString = String(data: jsonData, encoding: NSUTF8StringEncoding)
print(dataString)
}) { (task, error) -> Void in
}
该图像来自imagePickerController
:
func imagePickerController(picker: UIImagePickerController, didFinishPickingImage image: UIImage, editingInfo: [String : AnyObject]?) {
print("Did finish picking the image succesfully")
self.userImage.image = image
picker.dismissViewControllerAnimated(true, completion: nil)
// call uploading image function
}
是什么导致图像损坏? 我一直在与后端开发人员联系,他的机制是接收字节数组! 将NSData发送到服务器,然后服务器将我的NSData转换为字节数组会损坏映像吗? 还是可以吗? 我该如何解决这个问题? 发送图像时我在做什么错?
1)在(task, error) -> Void in
如果存在打印错误,则显示(task, error) -> Void in
,因为如果出现问题,您将在此收到错误。
NSLog("%@", error.localizedDescription)
2)您确定name: "1"
吗? 因为这是后端获取文件数据的字段名称(请向后端开发人员询问此字段的名称)
3)在上传图片名称后附加文件类型jpeg
:
formData.appendPartWithFileData(imageData, name: "1", fileName: "userimage\(self.objManager.userID).jpeg", mimeType: "image/jpeg")
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