pod 'PromiseKit', '~> 6.2.1'  #能提供强大的 iOS 开发异步功能
pod 'Alamofire-SwiftyJSON', '~> 3.0.0' # 一个扩展，使序列化Alamofire的响应与swiftjson容易。

url: https://cps-api.inficloud.com.cn/api/self_center/uploadUrl 
 result: Optional({
  "code" : 1,
  "data" : {
    "url" : "https:\/\/cps-cos-dev-1304837101.cos.ap-guangzhou.myqcloud.com\/cps\/1628073407\/IMG_1628073407.jpg",
    "method" : "put",
    "sign" : "?sign=q-sign-algorithm%3Dsha1%26q-ak%3DAKIDDLH0Wt41kKjvteFhwzpSr2yhCUbWErq3%26q-sign-time%3D1628073407%3B1628074007%26q-key-time%3D1628073407%3B1628074007%26q-header-list%3D%26q-url-param-list%3D%26q-signature%3D9490d26a10fa00ee4af97377c1053b650a59288a"
  },
  "msg" : null
})

/// 上传图片到腾讯云
func txUploadImageAction(_ img: UIImage, _ url: String, _ sign:String) {
    UploadApi.txUploadImage(img,url,sign).done {[weak self] (url) in
        self?.headerIconView.image = img
    }.ensure {

    }.catch { (error) in

    }
}

import Foundation
import PromiseKit
import SwiftyJSON
import Alamofire
import Alamofire_SwiftyJSON

struct UploadApi {

	static func txUploadImage(_ image: UIImage, _ url: String, _ sign:String) -> Promise<String> {
	    let reURL = url + sign
	    
	    return Promise<String> { result in
	        do {
	            let newurl = try reURL.asURL()
	            if let imageData = UIImageJPEGRepresentation(image, 0.5) {
	                var uploadHeaders:HTTPHeaders = [:]
	                uploadHeaders["Content-Type"] = "image/jpeg; charset=utf-8"
	                let stream = InputStream(data: imageData)
	                //let length = UInt64(imageData.count)
	                upload(stream, to: newurl , method: .put,headers: uploadHeaders)
	                result.fulfill(url)
	            } else {
	                result.reject(RequestError(code: -1, message: "上传失败"))
	            }
	        } catch {
	            result.reject(RequestError(code: -1, message: "上传失败"))
	        }
	    }
	}

}

Android put方式上传图片