                        課程
                    
                        /移動(dòng)開發(fā)
                        
                            /iOS
                        
                        /Swift Weather APP

failure里的operation報(bào)錯(cuò)

let manager = AFHTTPRequestOperationManager()

? ? ? ? let url = "http://api.openweathermap.org/data/2.5/weather"

? ? ? ? let params = ["lat": latitude, "long": longitude, "cnt": 0]

? ? ? ? manager.GET(url,

? ? ? ? ? ? parameters: params,

? ? ? ? ? ? success: { (operation:AFHTTPRequestOperation!,

? ? ? ? ? ? ? ? responseObject: AnyObject!) in

? ? ? ? ? ? ? ? print("JSON: " + responseObject.description!)

? ? ? ? ? ? },

? ? ? ? ? ? failure: { (operation:AFHTTPRequestOperation!,

? ? ? ? ? ? ? ? error: NSError!) in

? ? ? ? ? ? ? ? print("Error: " + error.localizedDescription)

? ? ? ? })

failure里提示/Users/enchanterzero/Desktop/1/Weather/Weather/ViewController.swift:52:22: Cannot convert value of type '(AFHTTPRequestOperation!, NSError!) -> _' to expected argument type '((AFHTTPRequestOperation?, NSError) -> Void)?'