POST request with string parameters and array

Question

I want to make a POST request and pass some parameters. The parameters I want to pass is:

- Item : String
- Length : String
- Names : String Array
- Age : String

Today I´m doing this

var URL: NSURL = NSURL(string: "URL")!
var request:NSMutableURLRequest = NSMutableURLRequest(URL:URL)

request.HTTPMethod = "POST"
request.HTTPBody = // parameters here?
NSURLConnection.sendAsynchronousRequest(request, queue: NSOperationQueue.mainQueue()) {
               (response, data, error) in
               println(NSString(data: data, encoding: NSUTF8StringEncoding))
}

Can anyone provide help of how to pass the above parameters in my request? I´m not quite sure how to do that.

Vkt0r · Accepted Answer · 2016-02-04 21:37:58Z

2

The thing is that the HTTPBody expect a NSData object, so you can create Dictionary with the data you need as @dsk explain in this answer and then convert it to JSON to pass as parameters using the dataWithJSONObject function, like in the following way:

var request:NSMutableURLRequest = NSMutableURLRequest(URL:URL)
request.HTTPMethod = "POST"
request.setValue("application/json", forHTTPHeaderField: "Content-Type")

var values: [String: AnyObject] = [:]
values["item"] = "value"
values["length"] = "value"
values["names"] = ["value1", "value2"]
values["age"] = "value"

request.HTTPBody = try! NSJSONSerialization.dataWithJSONObject(values, options: [])

Nevertheless I strongly recommend you use Alamofire to handle all the networking process more easily.

I hope this help you.

answered Feb 4, 2016 at 21:37

Vkt0r

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Comments

xoudini · Accepted Answer · 2016-02-04 21:26:14Z

0

Add a variable for your parameters:

var params: [String: AnyObject] = [:]
params["item"] = "YOUR_STRING"
params["length"] = "YOUR_STRING"
params["names"] = ["YOUR_STRING1", "YOUR_STRING2"]
params["age"] = "YOUR_STRING"

Assuming the POST is a JSON request, add them to the HTTPBody as such:

request.HTTPBody = try NSJSONSerialization.dataWithJSONObject(params, options: [])

answered Feb 4, 2016 at 21:26

xoudini

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