func myImageUploadRequest()
        {
           
            let myUrl = URL(string: "https://m...content-available-to-author-only...i.com/api/v2/upload-single-photo-restaurant");
            let request = NSMutableURLRequest(url:myUrl!);
            request.httpMethod = "POST";
            let device_id = UIDevice.current.identifierForVendor!.uuidString
            print("lat is:",lat!)
            print("lng is:",lng!)
            var param:[String:Any] = [
                    "lat" : lat!,
                    "lng" : lng!,
                    "device_id" : device_id,
                    "name" : photoName.text!,
                    "datetime" : Const.getDate()
                    ] as [String : Any]
            
            
            let boundary = "----WebKitFormBoundary7MA4YWxkTrZu0gW"
            request.setValue("application/json", forHTTPHeaderField: "Accept")
            request.setValue("multipart/form-data; boundary=\(boundary)", forHTTPHeaderField: "Content-Type")
            let imageData = UIImageJPEGRepresentation(imgView.image!, 1)
            if(imageData==nil)  { return; }
            request.httpBody = createBodyWithParameters(parameters: param as? [String : String], filePathKey: "photo", imageDataKey: imageData! as NSData, boundary: boundary) as Data
            
            let task = URLSession.shared.dataTask(with: request as URLRequest) {
                data, response, error in
                
                if error != nil {
                    print("error=\(String(describing: error))")
                    return
                }
                
                // You can print out response object
                print("******* response = \(String(describing: response))")
                
                // Print out reponse body
                let responseString = NSString(data: data!, encoding: String.Encoding.utf8.rawValue)
                print("****** response data = \(responseString!)")
                
                do {
                    let json = try JSONSerialization.jsonObject(with: data!, options: []) as? NSDictionary
                    
                    print(json!)
                    
                    DispatchQueue.main.async(execute: {
                        self.imgView.image = UIImage(named: "img")
                        let msg = json?.object(forKey: "message")
                        UIViewController.removeSpinner(spinner: self.sv!)
                        self.stackViewUpload.isHidden=true
                        self.alertWithMsg(msg: msg as! String)
                    })
                }catch{
                    print(error)
                }
            }
            task.resume()
        }
        func createBodyWithParameters(parameters: [String: String]?, filePathKey: String?, imageDataKey: NSData, boundary: String) -> NSData {
            let body = NSMutableData();
            
            if parameters != nil {
                for (key, value) in parameters! {
                    body.appendString(string: "--\(boundary)\r\n")
                    body.appendString(string: "Content-Disposition: form-data; name=\"\(key)\"\r\n\r\n")
                    body.appendString(string: "\(value)\r\n")
                }
            }
            
            let filename = "user-profile.jpg"
            let mimetype = "image/jpg"
            
            body.appendString(string: "--\(boundary)\r\n")
            body.appendString(string: "Content-Disposition: form-data; name=\"\(filePathKey!)\"; filename=\"\(filename)\"\r\n")
            body.appendString(string: "Content-Type: \(mimetype)\r\n\r\n")
            body.append(imageDataKey as Data)
            body.appendString(string: "\r\n")
    
            body.appendString(string: "--\(boundary)--\r\n")
            
            return body
    
    }
    extension NSMutableData {
            
            func appendString(string: String) {
                let data = string.data(using: String.Encoding.utf8, allowLossyConversion: true)
                append(data!)
            }
    }