戴维营教育代码

01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23

//HTTP/HTTPS         //URL: [url]http://pic.baike.soso.com/p/20120424/bki-20120424022918-1539307851.jpg[/url]                   //创建一个URL对象         var url = NSURL(string: "/upload/otherpic73/203912.jpg")         //创建一个HTTP请求         var request = NSURLRequest(URL: url)         //发送同步请求，开始下载数据                   var response: NSURLResponse?         var error: NSError?         var data = NSURLConnection.sendSynchronousRequest(request, returningResponse: &response, error: &error)         println("\(response):\(error)")                   var httpResponse = response as NSHTTPURLResponse         //数据下载完成         if httpResponse.statusCode == 200 {             println("下载了\(data.length)字节")             data.writeToFile("/Users/cheetah/Desktop/test.jpg", atomically: true)         }         else {             println("下载失败: \(httpResponse.statusCode)")         }

文章标题：Swift同步下载数据
文章地址：http://www.jxjierui.cn/article/pijeeg.html