ios-NSJSONSerializaton沒有返回結果

NSJSONSerializaton沒有返回結果

用了很多方法的都沒有返回結果
先看一下代碼:

json文件：

{ "speakers" : 
  [
    {
    "name":"Value",
    "picture": "URL VALUE",
    "business":"VALUE",
    "desc":"VALUE",
    "twitter": "URL VALUE"
    }                   
    {
           ...

    }
  ]
}

開始在一個dictionary中保存speaker屬性
這個包含一個數組，有一些name，business屬性

objective代碼：

NSString *URLStr = @"URLofMyJsonFile";

NSURLRequest *JSONRequest = [NSURLRequest requestWithURL:[NSURL URLWithString:[NSString stringWithString:URLStr ]]];

NSData *JSONData = [NSURLConnection sendSynchronousRequest:JSONRequest returningResponse:nil error:nil];

NSError *parsingError = nil;

NSDictionary *speakerDictionnary = [NSJSONSerialization JSONObjectWithData:JSONData options:0 error:&parsingError];

NSArray *speakersArray = [speakerDictionnary objectForKey:@"news"];

for (NSDictionary *oneSpeaker in speakersArray) {
    NSLog(@"The speakers's name is %@", [oneSpeaker objectForKey:@"name"]);
    NSLog(@"The speakers's business is %@", [oneSpeaker objectForKey:@"business"]);
    NSLog(@"The speakers's desc is %@", [oneSpeaker objectForKey:@"desc"]);
}

最佳回答：

在dictionary之間需要逗號。

{ "speakers" : 
  [
    {
        "name":"Value",
        "picture": "URL VALUE",
        "business":"VALUE",
        "desc":"VALUE",
        "twitter": "URL VALUE"
    } <=== MISSING COMMA HERE       
    {
       ...
    }
  ]
}