相关疑难解决方法(0)

我正在尝试向HTTP服务器发帖

顺便说一下这是我的代码:

  func sendPostToUrl(url:String, withParams params: [String: String?] ) {
    var request = NSMutableURLRequest(URL: NSURL(string: url)!)
    var session = NSURLSession.sharedSession()
    request.HTTPMethod = "POST"

    var err: NSError?
    var bodyData = ""
    for (key,value) in params{
        if (value==nil){ continue }
        let scapedKey = key.stringByAddingPercentEncodingWithAllowedCharacters(
                 .URLHostAllowedCharacterSet())!
        let scapedValue = value!.stringByAddingPercentEncodingWithAllowedCharacters(
                .URLHostAllowedCharacterSet())!
        bodyData += "\(scapedKey)=\(scapedValue)&"
    }
    request.HTTPBody = bodyData.dataUsingEncoding
               (NSUTF8StringEncoding, allowLossyConversion: true)

    var task = session.dataTaskWithRequest(request, 
    completionHandler: {data, response, error -> Void in
        println("Response: \(response)")
        let dataString = NSString(data: data, encoding: NSUTF8StringEncoding)
        println("Data: \(dataString)") …

我正在学习Swift,我不知道如何使用Swift将参数发送到服务器.在Objective-C中,我们可以使用"%@"占位符来完成此操作.但是对于Swift应该怎么做,假设我有一个需要电子邮件和密码的登录web服务.

现在我想知道的是,我将如何发送logintextfield和passwordtextfield文本到服务器,例如,

var bodyData = "email=logintextfield.text&password=passwordtextfield.text"