具有二进制正文的iOS swift postреез请求

import UIKit

func sendBinaryData() {
    let url = URL(string: "http://example.com/upload")!
    let imageData = UIImage(named: "image.jpg")!.pngData()

    var request = URLRequest(url: url)
    request.httpMethod = "POST"
    request.httpBody = imageData
    request.setValue("image/jpeg", forHTTPHeaderField: "Content-Type")

    let task = URLSession.shared.dataTask(with: request) { (data, response, error) in
        if let error = error {
            print("Error: \(error)")
            return
        }
        if let response = response as? HTTPURLResponse {
            print("Status code: \(response.statusCode)")
        }
        if let data = data {
            print("Response data: \(data)")
        }
    }
    task.resume()
}