func sessionGetData(){
//创建URL对象
let urlString ="http://www.tuling123.com/”
let url= URL(string:urlString)
// 创建请求对象
let request = URLRequest(url:url!)
let session = URLSession.shared
let dataTask = session.dataTask(with: request,
completionHandler: ((data, response, error) -> Void in if error != nil(
print(error.debugDescription)
jelse(
let str = String(data: data!, encoding:
String.Encoding.utf8)
print(str!)
一
)as URLSessionTask
/ / 使用 resume 方法启动任务
dataTask.resume()
}