func synchronousGet(){
// 1、创建URL对象；
let url:URL! = URL(string:"http://samples.openweathermap.org/data/2.5/weather?lat=47&lon=144&appid=b1b15e88fa797225412429c1c50c");
// 2、创建Request对象
// url: 请求路径
// cachePolicy: 缓存协议
// timeoutInterval: 网络请求超时时间(单位：秒)
let urlRequest:URLRequest = URLRequest(url: url, cachePolicy: .useProtocolCachePolicy, timeoutInterval: 20)
// 3、响应对象
var response:URLResponse?
// 4、发出请求
do {
let received = try NSURLConnection.sendSynchronousRequest(urlRequest, returning: &response)
let dic = try JSONSerialization.jsonObject(with: received, options: JSONSerialization.ReadingOptions.allowFragments) as! NSDictionary //(必须写as! NSDictionary 不然会出错)
print("@@@@@@@@@@@@@\(dic)")
} catch let error{
print(error.localizedDescription);
}
}
能帮你解决问题就打个赏吧
