swift - Xcode 7 beta NSURLConnection 错误

Question

我在我的服务器中调用一个函数并且应用程序崩溃了，但它在模拟器上运行良好。我的代码：

class func changeTweet(tweet:String)
{
let data = NSMutableData()
let urlPath: String = "http://127.0.0.1:5000/registerword?word=\(tweet)"
let url: NSURL = NSURL(string: urlPath)!
var request = NSMutableURLRequest(URL: url)
let request1: NSURLRequest = NSURLRequest(URL: url)
let response: AutoreleasingUnsafeMutablePointer<NSURLResponse?
>=nil

//crashes on this line:
let dataVal: NSData = try! NSURLConnection.sendSynchronousRequest(request1, returningResponse: response) 

var err: NSErrorPointer
let string = NSString(data: dataVal, encoding: NSUTF8StringEncoding)
if let str = string
{
  print("Server Response: \(str)")
}
}

PS：我已经在plist上添加了密钥

Answer 1

尝试这个：

让数据：NSData = 试试！NSURLConnection.sendSynchronousRequest(request, returnedResponse: &response)

我认为这是您需要的响应前面的 &。