// MARK: - 同步Post方式
     func synchronousPost()
     {
         //创建NSURL对象
         var url:NSURL! = NSURL(string: "http://m.weather.com.cn/data/101010100.html")

         //创建请求对象
         var request : NSMutableURLRequest = NSMutableURLRequest(URL: url, cachePolicy: NSURLRequestCachePolicy.UseProtocolCachePolicy, timeoutInterval: )

         request.HTTPMethod = "POST"//设置请求方式为POST，默认为GET

         var str:String = "type=focus-c";//设置参数
         var data:NSData = str.dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: true)!
         request.HTTPBody = data;

         //响应对象
         var response:NSURLResponse?

         //错误对象
         var error:NSError?

         //发出请求
         var received:NSData? = NSURLConnection.sendSynchronousRequest(request, returningResponse: &response, error: &error)

         if (error != nil)
         {
             println(error?.code)
             println(error?.description)
         }else
         {
             var jsonString = NSString(data: received!, encoding: NSUTF8StringEncoding)

             println(jsonString)
         }
     }