我试图弄清楚 API 调用中的数据来自哪里。具体来说,我想知道从哪里来req.user
,因为我知道没有参数被传递到 API 调用中。
这是服务器端代码(在 JS 中):
let APIHandler = (req, res) = > {
if (req.user) {
latitude = req.user.location.latitude
longitude = req.user.location.longitude
}
}
这是客户端代码(在 Swift 中):
let strURLTo = SERVICE.BASE_URL + apiName + limit
let headers = AuthorizationHeader.getAuthHeader(staticToken: false)
var urlComponents = URLComponents(string: strURLTo)
urlComponents?.queryItems = [URLQueryItem(name: "offset", value: String(offset)),
URLQueryItem(name: "limit", value: String(limit))]
let strURL = urlComponents?.url
RxAlamofire.requestJSON(.get,strURL!,parameters:[:],headers:headers)
.debug()
.subscribe(onNext: {(HeaderResponse, bodyResponse) in
if let dict = bodyResponse as? [String: AnyObject] {
if let respDict: [String: Any] = JSON(dict).dictionaryObject {
let response = ResponseModel.init(statusCode: HeaderResponse.statusCode, response:respDict)
self.subject_response.onNext(response)
}
}
}, onError: { (error) in
self.subject_response.onError(error)
})
.disposed(by: disposeBag)
最后是RxAlamofire.requestJson
定义:
public func requestJSON(_ method: Alamofire.HTTPMethod,
_ url: URLConvertible,
parameters: [String: Any]? = nil,
encoding: ParameterEncoding = URLEncoding.default,
headers: [String: String]? = nil)
-> Observable<(HTTPURLResponse, Any)>
{
return SessionManager.default.rx.responseJSON(
method,
url,
parameters: parameters,
encoding: encoding,
headers: headers
)
}
我尝试的是RxAlamofire.requestJSON
逐步跟踪函数,但我看不到实际 API 调用发生的任何地方(对我来说,它似乎只是概述了它期望/返回的类型)。此外,调用中没有参数RxAlamofire.requestJSON(.get,strURL!,parameters:[:],headers:headers)
。