问如何在方法中快速添加授权请求

EN

let oauth_consumer_key = "******"
    let oauth_consumer_secret = "*****"
    let oauth_token = "*****"
    let oauth_token_secret = "*****"

    let url = URL(string: "http.myurl.com")
    let request = NSMutableURLRequest(url: url! as URL)

    let a = OAuthSwiftClient(consumerKey: oauth_consumer_key, consumerSecret: oauth_consumer_secret, oauthToken: oauth_token, oauthTokenSecret: oauth_token_secret, version: .oauth1)

    let credential = a.credential
    let parameters = [String: AnyObject]()
    let authorization = credential.authorizationHeader(method: .GET, url: url! as URL, parameters: parameters)