我已将我的项目迁移到Swift 3(并将更新的Alamofire更新为最新的Swift 3版本,并在Podfile中使用pod 'Alamofire', '~> 4.0'
)。
我现在在每个Alamofire.request上得到一个“额外参数调用”错误。例如:
let patientIdUrl = baseUrl + nextPatientIdUrl
Alamofire.request(.POST, patientIdUrl, parameters: nil, headers: nil, encoding: .JSON)
谁能告诉我为什么?
根据版本4.0.0的Alamofire文档,使用HTTP方法的URL请求如下:
Alamofire.request("https://httpbin.org/get") // method defaults to `.get`
Alamofire.request("https://httpbin.org/post", method: .post)
Alamofire.request("https://httpbin.org/put", method: .put)
Alamofire.request("https://httpbin.org/delete", method: .delete)
所以你的网址请求将是:
Alamofire.request(patientIdUrl, method: .post, parameters: nil, encoding: JSONEncoding.default, headers: nil)
并且样本请求将是:
Alamofire.request(url, method: .post, parameters: param, encoding: JSONEncoding.default, headers: [AUTH_TOKEN_KEY : AUTH_TOKEN])
.responseJSON { response in
print(response.request as Any) // original URL request
print(response.response as Any) // URL response
print(response.result.value as Any) // result of response serialization
}
希望这可以帮助!
我发现两件值得注意的事情。
Alamofire.request("https://yourServiceURL.com", method: .post,
而不是Alamofire.request(url: "https://yourServiceURL.com",
method: .post,
。[String:
String]
。明确声明它。我从Alamofire复制此代码,创建URLRequest并使用Alamofire.request(URLRequest)方法,避免此错误
originalRequest = try URLRequest(url: url, method: method, headers: headers)
let encodedURLRequest = try encoding.encode(originalRequest!, with: parameters)
我这样解决了这个问题:
只需删除额外的参数,只需parameters
,encoding
和headers
,如果这些参数为零,则可以删除然后离开,
Alamofire.request(yourURLString, method: .post)
func API()
{
if Reachability.isConnectedToNetwork()
{
let headers = ["Vauthtoken":"Bearer \(apiToken)"]
print(headers)
// let parameter = ["iLimit":"10","iOffset":"0","iThreadId":"1"]
ApiUtillity.sharedInstance.showSVProgressHUD(text: "Loding...")
Alamofire.request(ApiUtillity.sharedInstance.API(Join: "vehicle/CurrentVehicleLists"), method:.get, parameters:nil, headers: headers).responseJSON { response in
switch response.result {
case .success:
print(response)
ApiUtillity.sharedInstance.dismissSVProgressHUD()
let dictVal = response.result.value
let dictMain:NSDictionary = dictVal as! NSDictionary
let statusCode = dictMain.value(forKey: "status") as! Int
if(statusCode == 200)
{
}
else if statusCode == 401
{
}
else
{
}
case .failure(let error):
print(error)
ApiUtillity.sharedInstance.dismissSVProgressHUD()
}
}
} else
{
ApiUtillity.sharedInstance.dismissSVProgressHUD()
ApiUtillity.sharedInstance.showErrorMessage(Title: "Internet Connection", SubTitle: "Internet connection Faild", ForNavigation: self.navigationController!)
}
}
如果您在本地添加了Alamofire文件,请在请求之前不要使用“Alamofire”
let apipath = “your api URL”
request(apipath, method: .post, parameters: parameters, encoding: URLEncoding.default, headers: nil).responseJSON { response in switch(response.result) {
case .success(_):
do {
let JSON = try JSONSerialization.jsonObject(with: response.data! as Data, options:JSONSerialization.ReadingOptions(rawValue: 0))
guard let JSONDictionary: NSDictionary = JSON as? NSDictionary else {
print("Not a Dictionary")
return
}
print("Post Response : \(JSONDictionary)")
}
catch let JSONError as NSError {
print("\(JSONError)")
}
break
case .failure(_):
print("failure Http: \(String(describing: response.result.error?.localizedDescription))")
break
}
}
这个对我有用。 无需删除编码参数
Swift 5.x的更新
Alamofire使用Swift 5中引入的Result
类型。
此外Alamofire.request
已改为AF.request
,现在将用response.result
和.success
读取他们的开关.failure
值
AF.request("https://yourServiceURL.com", method: .get, parameters: [:], encoding: URLEncoding.default, headers: ["":""]).responseJSON { (response:DataResponse<Any>) in
switch response.result {
case let .success(value):
print(value)
case let .failure(error):
print(error)
}
}
Swift 3.x / 4.x.
Alamofire.request("https://yourServiceURL.com", method: .post, parameters: parameters, encoding: JSONEncoding.default, headers: nil).responseJSON { (response:DataResponse<Any>) in
switch(response.result) {
case .success(_):
if let data = response.result.value{
print(response.result.value)
}
break
case .failure(_):
print(response.result.error)
break
}
}
并确保参数是类型
[String:Any]?
如果是Get
Alamofire.request("https://yourGetURL.com", method: .get, parameters: ["":""], encoding: URLEncoding.default, headers: nil).responseJSON { (response:DataResponse<Any>) in
switch(response.result) {
case .success(_):
if let data = response.result.value{
print(response.result.value)
}
break
case .failure(_):
print(response.result.error)
break
}
}
甚至可以使用
JSONEncoding.default
对于标题
如果您要传递标题,请确保其类型应为[String:String]
穿过Parameter Encoding Link
https://github.com/Alamofire/Alamofire/blob/master/Documentation/Alamofire%204.0%20Migration%20Guide.md#parameter-encoding-protocol
使用Swift 3.0和xCode 8.0发布方法Alamofire 4.0
Alamofire.request(URL, method: .post, parameters: PARAMS)
.responseJSON { closureResponse in
if String(describing: closureResponse.result) == "SUCCESS"
{
// Sucess code
}
else
{
// Failure Code
}
}
我的解决方案是,如果您使用标头,其类型必须是[String:String]。
此错误取决于参数值。它必须是[String:String]
let url = URL(string: "http://yourURLhere")!
let params: [String: String] = ["name": "oskarko", "email": "[email protected]", "sex": "male"]
Alamofire.request(url, method: .post, parameters: params, encoding: URLEncoding.default, headers: nil).validate(statusCode: 200..<600).responseJSON() { response in
switch response.result {
case .success:
var result = [String:String]()
if let value = response.result.value {
let json = JSON(value)
}
case .failure(let error):
print("RESPONSE ERROR: \(error)")
}
}
我刚解决了你遇到的同样问题。问题是我在标题中导入了Alamofire,因此我只是在呼叫请求时删除了Alamofire。像那样:
request(.POST,patientIdUrl,parameters:nil,headers:nil,encoding:.JSON)
我希望它可以帮到你。
当我的URL变量超出范围时,我在调用错误中遇到了同样的额外参数'method'。
在你的情况下,请确保baseUrl
和nextPatientIdUrl
在使用Alamofire.request(patientIdUrl,..)
方法时都在范围内。
希望这可以解决您的问题。谢谢!
对我来说,这是有效的。
对于GET请求
Alamofire.request("http://jsonplaceholder.typicode.com/todos/1/get").responseJSON { (response:DataResponse<Any>) in
switch(response.result) {
case .success(_):
if response.result.value != nil{
print(response.result.value!)
}
break
case .failure(_):
print(response.result.error)
break
}
}
对于POST
let parameters = NSDictionary(object: "nara", forKey: "simha" as NSCopying)
Alamofire.request("http://jsonplaceholder.typicode.com/posts", method: HTTPMethod.post, parameters: parameters as? Parameters, encoding: JSONEncoding.default, headers: nil).responseJSON { (response:DataResponse<Any>) in
switch(response.result) {
case .success(_):
if response.result.value != nil{
print(response.result.value!)
}
break
case .failure(_):
print(response.result.error)
break
}
}
谢谢@ Rajan Maheshwari。
我修复了这个问题:
注意:Alamofire方法签名在Swift 3中发生了变化