I'm trying to send data from my app to a rest API that is also being used by an Android app developed by another programmer. I have the JSON being converted into an NSData object using NSJSONSerialization.dataWithJSONObject and then attaching it to a NSURLRequest but the NSData object is a hexadecimal representation of the JSON String. According to the other developer his Android code is creating and transmitting the JSON object in UTF-8 encoding, so my question is how do I either send the JSON string as UTF-8 text or what is the best way to make the API able to handle both sources as seamlessly as possible?
EDIT: The code that I'm using now
func postToServer() {
let endPoint: String = "http://server.com"
guard let url = NSURL(string: endPoint) else {
print("ERROR: cannot create URL")
return
}
let urlRequest = NSMutableURLRequest(URL: url)
urlRequest.HTTPMethod = "POST"
urlRequest.setValue("application/json; charset=utf-8", forHTTPHeaderField: "Content-Type")
let loc = self.getLocation()
var content:[String: AnyObject] = ["action": "put-point", "request": ["rangeKey": self.id, "lng": loc.coordinate.longitude, "lat": loc.coordinate.latitude, "count": self.count]]
var data: NSData! = NSData()
do {
data = try NSJSONSerialization.dataWithJSONObject(content, options: NSJSONWritingOptions())
print(data)
} catch {
print ("Error")
}
urlRequest.HTTPBody = data
let config = NSURLSessionConfiguration.defaultSessionConfiguration()
let session = NSURLSession(configuration: config)
let task = session.dataTaskWithRequest(urlRequest, completionHandler:{ data, response, error in
guard error == nil else {
print("ERROR: Cannot call Get on endpoint")
print(error)
return
}
guard let responseData = data else {
print("ERROR: Did not receive any data")
return
}
print("DATA: \(data)")
})
task.resume()
}
You could do something like
let jsonObj = [...]
var data = NSData()
do {
data = try NSJSONSerialization.dataWithJSONObject(jsonObj, options: .PrettyPrinted)
let dataString = NSString(data: data, encoding: NSUTF8StringEncoding)!
} catch {
print("error: \(error)")
}
*Tried on Swift 2 & Xcode 7.3.1
Related
I need to do an HTTP POST for a page that simply returns a literal (which can be "OK" or "ERROR") I have a web tutorial that shows how to do this and it returns a JSON, I follow the tutorial and it works perfectly .
My problem is exactly there ... it returns a JSON and what my site returns is not a JSON but a simple literal ..
How do I get this literal that the site is returning ... I've tried several changes in the code below but without success.
let parameters = ["username": "#kilo_loco", "tweet": "HelloWorld"]
guard let url = URL(string: "http://xxxxxxxxxx.com/ola.php") else { return }
var request = URLRequest(url: url)
request.httpMethod = "POST"
//request.addValue("application/json", forHTTPHeaderField: "Content-Type")
guard let httpBody = try? JSONSerialization.data(withJSONObject: parameters, options: []) else { return }
request.httpBody = httpBody
let session = URLSession.shared
session.dataTask(with: request) { (data, response, error) in
if let response = response {
print ("*******")
print(response)
}
//print(data as Any)
if let data = data {
print("** TESTE **")
print(data)
//do {
// let json = try JSONSerialization.jsonObject(with: data, options: [])
//print(json)
//} catch {
// print(error)
// }
}
}.resume()
The Last "Print (data) returns the size in bytes and not the contents of the literal ..
You are missing parse Data to JSON Object, I think you have that code almos there but commented
do {
let json:AnyObject? = try JSONSerialization.jsonObject(with: data!, options: .mutableContainers) as? NSDictionary
if let parseJSON = json{
print(parseJSON)
}
}
Hope this helps you
I have a struggle in parsing JSON data using Oxford Dictionary API. I can retrieve JSON data and at this point, there is no problem. But the format is a bit strange. In the example of JSON data by OXford Document, it looks like;
"results": [
{
"id": "string",
"language": "string",
"lexicalEntries": [
{
"entries": [
{..........
Unlike the example above, the array in my JSON is not surrouned by [], but ()
Why is this happening??
Updated
I used Alamofire to produce it. The code is;
func getJSONData() {
let appId = ""
let appKey = ""
let language = "en"
let word = "play"
let word_id = word.lowercased()
let url = URL(string: "https://od-api.oxforddictionaries.com/api/v1/entries/\(language)/\(word_id)")!
var request = URLRequest(url: url)
request.addValue("application/json", forHTTPHeaderField: "Accept")
request.addValue(appId, forHTTPHeaderField: "app_id")
request.addValue(appKey, forHTTPHeaderField: "app_key")
Alamofire.request(request).responseJSON { response in
print("Request \(response.request)") // original URL request
print("Response \(response.response)") // HTTP URL response
print("Data \(response.data)") // server data
print("Result \(response.result)") // result of response serialization
if let JSON = response.result.value {
print("JSON: \(JSON)")
}
}
}
I followed all code in Oxford Dictionary Document, but the printed out JSON was far from the JSON in the document. So I tried to use Alamofire in the hope for it to work correctly, but the result was the same. https://developer.oxforddictionaries.com/documentation
Update2
Okay, I understood why this was an error. To people who might have the same problem, I post the answer for the problem I had.
enum JSONError: String, Error {
case NoData = "ERROR: no data"
case ConversionFailed = "ERROR: conversion from JSON failed"
}
func jsonParser() {
let appId = ""
let appKey = ""
let language = "en"
let word = "Ace"
let word_id = word.lowercased() //word id is case sensitive and lowercase is required
let url = URL(string: "https://od-api.oxforddictionaries.com:443/api/v1/entries/\(language)/\(word_id)")!
var request = URLRequest(url: url)
request.addValue("application/json", forHTTPHeaderField: "Accept")
request.addValue(appId, forHTTPHeaderField: "app_id")
request.addValue(appKey, forHTTPHeaderField: "app_key")
URLSession.shared.dataTask(with: request) { (data, response, error) in
do {
guard let data = data else {
throw JSONError.NoData
}
guard let json = try JSONSerialization.jsonObject(with: data, options: .allowFragments) as? NSDictionary else {
throw JSONError.ConversionFailed
}
if let stringJSON = String(data: data, encoding: String.Encoding.utf8) {
print(stringJSON)
}
print(json)
} catch let error as JSONError {
print(error.rawValue)
} catch let error as NSError {
print(error.debugDescription)
}
}.resume()
}
Strange printed JSON format This post helped me. This bugged me for a while. Thank you very much #EricAya
I'm simply trying to send a JSON string via a Swift3 httprequest.
Tried using a Dictionary, and an escaped string ...
func getToken(successHandler: #escaping (Any) -> Void, errorHandler: #escaping (Any) -> Void) {
var request = URLRequest(url: URL(string: "http://my-api.domain.com/getToken")!)
request.httpMethod = "POST"
request.setValue("application/json", forHTTPHeaderField: "Content-Type")
do
{
// try with Dictionary
let bodyJson: [String: String] = [
"username": "theusername"
]
let bodyJsonData = try JSONSerialization.data(withJSONObject: bodyJson, options: [])
// try with escaped String
let jsonString = "{" +
"\"username\": \"theusername\"," +
"}"
let jsonStringData = jsonString.data(using: String.Encoding.utf8)
//request.httpBody = bodyJsonData
request.httpBody = jsonStringData
let task = URLSession.shared.dataTask(with: request) { data, response, error in
guard error == nil else {
print(error)
errorHandler(error)
return
}
guard let data = data else {
print("Data is empty")
errorHandler("Data is empty")
return
}
var json: Any? = nil
do
{
json = try JSONSerialization.jsonObject(with: data, options: [])
DispatchQueue.main.asyncAfter(deadline: .now()) {
successHandler(json)
}
}
catch let error as NSError {
errorHandler(error)
}
}
task.resume()
}
catch
{
errorHandler(error)
}
}
I keep getting:
Handle Error: Error Domain=NSCocoaErrorDomain Code=3840 "JSON text did
not start with array or object and option to allow fragments not set."
UserInfo={NSDebugDescription=JSON text did not start with array or
object and option to allow fragments not set.}
I can't find how to try allowing fragments, all of the examples/tutorials are for Swift2.x :/
Unsure what to do!
// prepare json data
let mapDict = [ "1":"First", "2":"Second"]
let json = [ "title":"ABC" , "dict": mapDict ] as [String : Any]
do {
let jsonData = try JSONSerialization.data(withJSONObject: json, options: .prettyPrinted)
// create post request
let endpoint: String = "https://yourAPI"
let session = URLSession.shared
let url = NSURL(string: endpoint)!
let request = NSMutableURLRequest(url: url as URL)
request.httpMethod = "POST"
// insert json data to the request
request.httpBody = jsonData
let task = session.dataTask(with: request as URLRequest){ data,response,error in
if error != nil{
print(error?.localizedDescription)
return
}
}
task.resume()
} catch {
print("bad things happened")
}
I have create a client service class to make call GET request from web api. I tried to extended but have more web method POST,PUT,Delete.I don't find good example in how to create POST,PUT,Delete using swift closure.I just want to ask how to add POST,PUT,Delete to client service?
import Foundation
class ClientService{
func getClients(searchstring:String,pageNumber:Int,callBack:(NSArray)->()){
request("\(_settings.baseUrl)Client/\(searchstring)/\(String(pageNumber))/rrn/brns", callBack: callBack)
}
func request(url:String,callBack:(NSArray)->()){
let nsURL = NSURL(string:url);
let task = NSURLSession.sharedSession().dataTaskWithURL(nsURL!){
(data,response,error) in
do {
let response = try NSJSONSerialization.JSONObjectWithData(data!, options: NSJSONReadingOptions.MutableContainers) as! NSArray
callBack(response)
} catch let error as NSError {
print("json error: \(error.localizedDescription)")
}
}
task.resume()
}
init(){
self._settings = Settings();
}
var _settings:Settings!;
}
You are on the right track. I make a separate function for get, post, put, delete etc. But you could make them in a one function if you want.
Bear in mind, this code is just to illustrate how to do it. You will need to modify it for your needs.
func request(url:String, method: String, params: [String: String], completion: ([AnyObject])->() ){
if let nsURL = NSURL(string:url) {
let request = NSMutableURLRequest(URL: nsURL)
if method == "POST" {
// convert key, value pairs into param string
postString = params.map { "\($0.0)=\($0.1)" }.joinWithSeparator("&")
request.HTTPMethod = "POST"
request.HTTPBody = postString.dataUsingEncoding(NSUTF8StringEncoding)
}
else if method == "GET" {
postString = params.map { "\($0.0)=\($0.1)" }.joinWithSeparator("&")
request.HTTPMethod = "GET"
}
else if method == "PUT" {
putString = params.map { "\($0.0)=\($0.1)" }.joinWithSeparator("&")
request.HTTPMethod = "PUT"
request.HTTPBody = putString.dataUsingEncoding(NSUTF8StringEncoding)
}
// Add other verbs here
let task = NSURLSession.sharedSession().dataTaskWithRequest(request) {
(data, response, error) in
do {
// what happens if error is not nil?
// That means something went wrong.
// Make sure there really is some data
if let data = data {
let response = try NSJSONSerialization.JSONObjectWithData(data, options: NSJSONReadingOptions.MutableContainers)
completion(response)
}
else {
// Data is nil.
}
} catch let error as NSError {
print("json error: \(error.localizedDescription)")
}
}
task.resume()
}
else{
// Could not make url. Is the url bad?
// You could call the completion handler (callback) here with some value indicating an error
}
}
Call it like this:
request("http://somedomain.etc", "POST", ["key1" : "value1", "key2", "values2"]) {
(result) in
// Handle result here.
}
You will note that I eliminated NSArray. [AnyObject] is the Swift way to do this.
I recommend that you add some sort of error indicator in the completion handler. That would let you detect that something went wrong and handle it.
Be very cautious when using ! to unwrap variables. This is the most common reason for apps crashing.
i use for mes projects Alamofire (Elegant HTTP Networking in Swift), and i love it
so example how to use POST
let parameters = [
"foo": "bar",
"baz": ["a", 1],
"qux": [
"x": 1,
"y": 2,
"z": 3
]
]
Alamofire.request(.POST, "https://httpbin.org/post", parameters: parameters)
// HTTP body: foo=bar&baz[]=a&baz[]=1&qux[x]=1&qux[y]=2&qux[z]=3
and here how to use Delete
Alamofire.request(.DELETE, "https://httpbin.org/delete")
go to documentation is very good
https://github.com/Alamofire/Alamofire
and if you want use swift without framework
this is example how to use POST
var request = NSMutableURLRequest(URL: NSURL(string: "http://localhost:4567/login"))
var session = NSURLSession.sharedSession()
request.HTTPMethod = "POST"
var params = ["username":"jameson", "password":"password"] as Dictionary<String, String>
var err: NSError?
request.HTTPBody = NSJSONSerialization.dataWithJSONObject(params, options: nil, error: &err)
request.addValue("application/json", forHTTPHeaderField: "Content-Type")
request.addValue("application/json", forHTTPHeaderField: "Accept")
var task = session.dataTaskWithRequest(request, completionHandler: {data, response, error -> Void in
println("Response: \(response)")
var strData = NSString(data: data, encoding: NSUTF8StringEncoding)
println("Body: \(strData)")
var err: NSError?
var json = NSJSONSerialization.JSONObjectWithData(data, options: .MutableLeaves, error: &err) as? NSDictionary
// Did the JSONObjectWithData constructor return an error? If so, log the error to the console
if(err != nil) {
println(err!.localizedDescription)
let jsonStr = NSString(data: data, encoding: NSUTF8StringEncoding)
println("Error could not parse JSON: '\(jsonStr)'")
}
else {
// The JSONObjectWithData constructor didn't return an error. But, we should still
// check and make sure that json has a value using optional binding.
if let parseJSON = json {
// Okay, the parsedJSON is here, let's get the value for 'success' out of it
var success = parseJSON["success"] as? Int
println("Succes: \(success)")
}
else {
// Woa, okay the json object was nil, something went worng. Maybe the server isn't running?
let jsonStr = NSString(data: data, encoding: NSUTF8StringEncoding)
println("Error could not parse JSON: \(jsonStr)")
}
}
})
task.resume()
Instead of using dataTaskWithUrl, you could create an HTTP request like this:
let request = NSMutableURLRequest(URL: url)
request.HTTPMethod = "POST"
request.HTTPBody = jsonData
request.setValue("application/json", forHTTPHeaderField: "Content-Type")
request.setValue(String (jsonData?.length), forHTTPHeaderField: "Content-Length")
let session = NSURLSession.sharedSession()
let task = session.dataTaskWithRequest(request) { data, res, error in
// etc etc
Everything else in your example above would be the same. You'd have to provide the json data, of course. For that, you could do something like this:
let data: [String: AnyObject] = ["nameValue": dataValue]
var jsonData: NSData? = nil
do {
jsonData = try NSJSONSerialization.dataWithJSONObject(data, options: NSJSONWritingOptions(rawValue: 0))
} catch {
// some error serializing
}
Swift 4 version (I think):
func restRequest(url:String, method: String, params: [String: String], completion: #escaping ([AnyObject])->() ){
if let nsURL = NSURL(string:url) {
let request = NSMutableURLRequest(url: nsURL as URL)
if method == "POST" {
// convert key, value pairs into param string
let postString = params.map { "\($0.0)=\($0.1)" }.joined(separator: "&")
request.httpMethod = "POST"
request.httpBody = postString.data(using: String.Encoding.utf8)
}
else if method == "GET" {
let postString = params.map { "\($0.0)=\($0.1)" }.joined(separator: "&")
request.httpMethod = "GET"
}
else if method == "PUT" {
let putString = params.map { "\($0.0)=\($0.1)" }.joined(separator: "&")
request.httpMethod = "PUT"
request.httpBody = putString.data(using: String.Encoding.utf8)
}
// Add other verbs here
let task = URLSession.shared.dataTask(with: request as URLRequest) {
(data, response, error) in
do {
// what happens if error is not nil?
// That means something went wrong.
// Make sure there really is some data
if let data = data {
let response = try JSONSerialization.JSONObjectWithData(data, options: JSONSerialization.ReadingOptions.MutableContainers)
completion(response)
}
else {
// Data is nil.
}
} catch let error as NSError {
print("json error: \(error.localizedDescription)")
}
}
task.resume()
}
else{
// Could not make url. Is the url bad?
// You could call the completion handler (callback) here with some value indicating an error
}
}
I'm trying to run a HTTP Request in Swift, to POST 2 parameters to a URL.
Example:
Link: www.thisismylink.com/postName.php
Params:
id = 13
name = Jack
What is the simplest way to do that?
I don't even want to read the response. I just want to send that to perform changes on my database through a PHP file.
The key is that you want to:
set the httpMethod to POST;
optionally, set the Content-Type header, to specify how the request body was encoded, in case server might accept different types of requests;
optionally, set the Accept header, to request how the response body should be encoded, in case the server might generate different types of responses; and
set the httpBody to be properly encoded for the specific Content-Type; e.g. if application/x-www-form-urlencoded request, we need to percent-encode the body of the request.
E.g., in Swift 3 and later you can:
let url = URL(string: "https://httpbin.org/post")!
var request = URLRequest(url: url)
request.setValue("application/x-www-form-urlencoded", forHTTPHeaderField: "Content-Type")
request.setValue("application/json", forHTTPHeaderField: "Accept")
request.httpMethod = "POST"
let parameters: [String: Any] = [
"id": 13,
"name": "Jack & Jill"
]
request.httpBody = parameters.percentEncoded()
let task = URLSession.shared.dataTask(with: request) { data, response, error in
guard
let data = data,
let response = response as? HTTPURLResponse,
error == nil
else { // check for fundamental networking error
print("error", error ?? URLError(.badServerResponse))
return
}
guard (200 ... 299) ~= response.statusCode else { // check for http errors
print("statusCode should be 2xx, but is \(response.statusCode)")
print("response = \(response)")
return
}
// do whatever you want with the `data`, e.g.:
do {
let responseObject = try JSONDecoder().decode(ResponseObject<Foo>.self, from: data)
print(responseObject)
} catch {
print(error) // parsing error
if let responseString = String(data: data, encoding: .utf8) {
print("responseString = \(responseString)")
} else {
print("unable to parse response as string")
}
}
}
task.resume()
Where the following extensions facilitate the percent-encoding request body, converting a Swift Dictionary to a application/x-www-form-urlencoded formatted Data:
extension Dictionary {
func percentEncoded() -> Data? {
map { key, value in
let escapedKey = "\(key)".addingPercentEncoding(withAllowedCharacters: .urlQueryValueAllowed) ?? ""
let escapedValue = "\(value)".addingPercentEncoding(withAllowedCharacters: .urlQueryValueAllowed) ?? ""
return escapedKey + "=" + escapedValue
}
.joined(separator: "&")
.data(using: .utf8)
}
}
extension CharacterSet {
static let urlQueryValueAllowed: CharacterSet = {
let generalDelimitersToEncode = ":#[]#" // does not include "?" or "/" due to RFC 3986 - Section 3.4
let subDelimitersToEncode = "!$&'()*+,;="
var allowed: CharacterSet = .urlQueryAllowed
allowed.remove(charactersIn: "\(generalDelimitersToEncode)\(subDelimitersToEncode)")
return allowed
}()
}
And the following Decodable model objects facilitate the parsing of the application/json response using JSONDecoder:
// sample Decodable objects for https://httpbin.org
struct ResponseObject<T: Decodable>: Decodable {
let form: T // often the top level key is `data`, but in the case of https://httpbin.org, it echos the submission under the key `form`
}
struct Foo: Decodable {
let id: String
let name: String
}
This checks for both fundamental networking errors as well as high-level HTTP errors. This also properly percent escapes the parameters of the query.
Note, I used a name of Jack & Jill, to illustrate the proper x-www-form-urlencoded result of name=Jack%20%26%20Jill, which is “percent encoded” (i.e. the space is replaced with %20 and the & in the value is replaced with %26).
See previous revision of this answer for Swift 2 rendition.
Swift 4 and above
func postRequest() {
// declare the parameter as a dictionary that contains string as key and value combination. considering inputs are valid
let parameters: [String: Any] = ["id": 13, "name": "jack"]
// create the url with URL
let url = URL(string: "www.thisismylink.com/postName.php")! // change server url accordingly
// create the session object
let session = URLSession.shared
// now create the URLRequest object using the url object
var request = URLRequest(url: url)
request.httpMethod = "POST" //set http method as POST
// add headers for the request
request.addValue("application/json", forHTTPHeaderField: "Content-Type") // change as per server requirements
request.addValue("application/json", forHTTPHeaderField: "Accept")
do {
// convert parameters to Data and assign dictionary to httpBody of request
request.httpBody = try JSONSerialization.data(withJSONObject: parameters, options: .prettyPrinted)
} catch let error {
print(error.localizedDescription)
return
}
// create dataTask using the session object to send data to the server
let task = session.dataTask(with: request) { data, response, error in
if let error = error {
print("Post Request Error: \(error.localizedDescription)")
return
}
// ensure there is valid response code returned from this HTTP response
guard let httpResponse = response as? HTTPURLResponse,
(200...299).contains(httpResponse.statusCode)
else {
print("Invalid Response received from the server")
return
}
// ensure there is data returned
guard let responseData = data else {
print("nil Data received from the server")
return
}
do {
// create json object from data or use JSONDecoder to convert to Model stuct
if let jsonResponse = try JSONSerialization.jsonObject(with: responseData, options: .mutableContainers) as? [String: Any] {
print(jsonResponse)
// handle json response
} else {
print("data maybe corrupted or in wrong format")
throw URLError(.badServerResponse)
}
} catch let error {
print(error.localizedDescription)
}
}
// perform the task
task.resume()
}
For anyone looking for a clean way to encode a POST request in Swift 5.
You don’t need to deal with manually adding percent encoding.
Use URLComponents to create a GET request URL. Then use query property of that URL to get properly percent escaped query string.
let url = URL(string: "https://example.com")!
var components = URLComponents(url: url, resolvingAgainstBaseURL: false)!
components.queryItems = [
URLQueryItem(name: "key1", value: "NeedToEscape=And&"),
URLQueryItem(name: "key2", value: "vålüé")
]
let query = components.url!.query
The query will be a properly escaped string:
key1=NeedToEscape%3DAnd%26&key2=v%C3%A5l%C3%BC%C3%A9
Now you can create a request and use the query as HTTPBody:
var request = URLRequest(url: url)
request.httpMethod = "POST"
request.httpBody = Data(query.utf8)
Now you can send the request.
Heres the method I used in my logging library: https://github.com/goktugyil/QorumLogs
This method fills html forms inside Google Forms.
var url = NSURL(string: urlstring)
var request = NSMutableURLRequest(URL: url!)
request.HTTPMethod = "POST"
request.setValue("application/x-www-form-urlencoded; charset=utf-8", forHTTPHeaderField: "Content-Type")
request.HTTPBody = postData.dataUsingEncoding(NSUTF8StringEncoding)
var connection = NSURLConnection(request: request, delegate: nil, startImmediately: true)
let session = URLSession.shared
let url = "http://...."
let request = NSMutableURLRequest(url: NSURL(string: url)! as URL)
request.httpMethod = "POST"
request.addValue("application/json", forHTTPHeaderField: "Content-Type")
var params :[String: Any]?
params = ["Some_ID" : "111", "REQUEST" : "SOME_API_NAME"]
do{
request.httpBody = try JSONSerialization.data(withJSONObject: params, options: JSONSerialization.WritingOptions())
let task = session.dataTask(with: request as URLRequest as URLRequest, completionHandler: {(data, response, error) in
if let response = response {
let nsHTTPResponse = response as! HTTPURLResponse
let statusCode = nsHTTPResponse.statusCode
print ("status code = \(statusCode)")
}
if let error = error {
print ("\(error)")
}
if let data = data {
do{
let jsonResponse = try JSONSerialization.jsonObject(with: data, options: JSONSerialization.ReadingOptions())
print ("data = \(jsonResponse)")
}catch _ {
print ("OOps not good JSON formatted response")
}
}
})
task.resume()
}catch _ {
print ("Oops something happened buddy")
}
All the answers here use JSON objects. This gave us problems with the
$this->input->post()
methods of our Codeigniter controllers. The CI_Controller cannot read JSON directly.
We used this method to do it WITHOUT JSON
func postRequest() {
// Create url object
guard let url = URL(string: yourURL) else {return}
// Create the session object
let session = URLSession.shared
// Create the URLRequest object using the url object
var request = URLRequest(url: url)
// Set the request method. Important Do not set any other headers, like Content-Type
request.httpMethod = "POST" //set http method as POST
// Set parameters here. Replace with your own.
let postData = "param1_id=param1_value¶m2_id=param2_value".data(using: .utf8)
request.httpBody = postData
// Create a task using the session object, to run and return completion handler
let webTask = session.dataTask(with: request, completionHandler: {data, response, error in
guard error == nil else {
print(error?.localizedDescription ?? "Response Error")
return
}
guard let serverData = data else {
print("server data error")
return
}
do {
if let requestJson = try JSONSerialization.jsonObject(with: serverData, options: .mutableContainers) as? [String: Any]{
print("Response: \(requestJson)")
}
} catch let responseError {
print("Serialisation in error in creating response body: \(responseError.localizedDescription)")
let message = String(bytes: serverData, encoding: .ascii)
print(message as Any)
}
// Run the task
webTask.resume()
}
Now your CI_Controller will be able to get param1 and param2 using $this->input->post('param1') and $this->input->post('param2')
#IBAction func btn_LogIn(sender: AnyObject) {
let request = NSMutableURLRequest(URL: NSURL(string: "http://demo.hackerkernel.com/ios_api/login.php")!)
request.HTTPMethod = "POST"
let postString = "email: test#test.com & password: testtest"
request.HTTPBody = postString.dataUsingEncoding(NSUTF8StringEncoding)
let task = NSURLSession.sharedSession().dataTaskWithRequest(request){data, response, error in
guard error == nil && data != nil else{
print("error")
return
}
if let httpStatus = response as? NSHTTPURLResponse where httpStatus.statusCode != 200{
print("statusCode should be 200, but is \(httpStatus.statusCode)")
print("response = \(response)")
}
let responseString = String(data: data!, encoding: NSUTF8StringEncoding)
print("responseString = \(responseString)")
}
task.resume()
}