         }
     }
     func fireTask() {
-         task = session.dataTaskWithRequest(request,completionHandler: { (data, response, error) -> Void in
+        
+        task = session.dataTaskWithRequest(request,completionHandler: { (data, response, error) -> Void in
             self.callback(data: NSString(data: data!, encoding: NSUTF8StringEncoding), response: response, error: error)
         })
         task.resume()

                components += queryComponents("\(key)", value)
            }
        } else {
            components.extend([(escape(key), escape("\(value)"))])
        }
        
        return components

            //拼接url
            components += self.queryComponents(key, value)
        }
       
        return (components.map { "\($0)=\($1)" } as [String]).joinWithSeparator("&")

    }
    
    
