[英]Receiving response using AFNetworking in Swift
我是AFNetworking
,我正尝试遵循Raywenderlich的教程。 因此,我已经获得了用于JSON
解析的代码,并且正在努力将其转换为Swift
。 我尝试了许多教程和StackOverflow答案,但是找不到很好的解释性说明。
- (IBAction)jsonTapped:(id)sender
{
// 1
NSString *string = [NSString stringWithFormat:@"%@weather.php?format=json", BaseURLString];
NSURL *url = [NSURL URLWithString:string];
NSURLRequest *request = [NSURLRequest requestWithURL:url];
// 2
AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request];
operation.responseSerializer = [AFJSONResponseSerializer serializer];
[operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
// 3
self.weather = (NSDictionary *)responseObject;
self.title = @"JSON Retrieved";
[self.tableView reloadData];
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
// 4
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Error Retrieving Weather"
message:[error localizedDescription]
delegate:nil
cancelButtonTitle:@"Ok"
otherButtonTitles:nil];
[alertView show];
}];
// 5
[operation start];
}
那么,有人可以在AFNetworking
解析数据的基础上帮我吗?
问题是为什么要在Swift
使用Objc
。 AFNetworking
替代许多框架。
实际上,同一位开发人员已经在Swift
开发了网络库 Alamofire
您可以使用该框架并获得相同的响应:
这是它的演示示例!
func postWebserviceWithURL(strUrl: String, param: NSDictionary?, completionHandler: (NSDictionary?, NSError?) -> ()) -> (){
Alamofire.request(.POST, strUrl, parameters: param as? [String : AnyObject], encoding: ParameterEncoding.URL).responseJSON { response in
switch response.result {
case .Success(let data):
let json = data as? NSDictionary
completionHandler(json, nil)
case .Failure(let error):
completionHandler(nil, error)
self.showSingleAlert("app_name", message: error.localizedDescription)
}
}
}
是的,您可以轻松地快速使用AFnetworking库来创建Bridging-Header.h文件并将AFNetworking.h导入到Bridging-Header.h文件中。
并将下面的代码尝试到您的json方法中
let urlAsString = "<Your json URL in string>"
let manager = AFHTTPRequestOperationManager()
manager.POST(
urlAsString,
parameters: <Parameter>,
success: { (operation: AFHTTPRequestOperation!,
responseObject: AnyObject!) in
print("JSON: " + responseObject.description)
},
failure: { (operation: AFHTTPRequestOperation!
error: NSError!) in
}
)
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