XCODE中的JSON解析不一致（可可错误3840）

Question

我使用相同的类和方法通过两个专门编写的API下载数据。其中一个API的作品很好，但另一个会产生错误3840

下面是代码：

+(NSDictionary *)executeSearchRequest:(NSString *)usingThisURL 
{ 
NSError* error = nil; 
usingThisURL = [NSString stringWithFormat:@"%@&format=json&nojsoncallback=1", usingThisURL]; 
NSLog(@"URL Sent to Athletic.net: %@", usingThisURL); 
// usingThisURL = [usingThisURL stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; 
// Preceding line makes one call fail and does not correct problem with other. 
NSLog(@"[%@ %@] sent %@", NSStringFromClass([self class]), NSStringFromSelector(_cmd), usingThisURL); 
NSData *jsonData = [[NSString stringWithContentsOfURL:[NSURL URLWithString:usingThisURL] encoding:NSUTF8StringEncoding error:nil] dataUsingEncoding:NSUTF8StringEncoding]; 

NSLog(@"jsonData: [%@]",jsonData); 

NSDictionary *results = jsonData ? [NSJSONSerialization JSONObjectWithData:jsonData options:NSJSONReadingMutableContainers|NSJSONReadingMutableLeaves error:&error] : nil; 
NSLog(@"json NSDictionary results: [%@]", results); 
if (error) NSLog(@"[%@ %@] JSON error: %@", NSStringFromClass([self class]), NSStringFromSelector(_cmd), error.localizedDescription); 
NSLog(@"[%@ %@] received %@", NSStringFromClass([self class]), NSStringFromSelector(_cmd), results); 
return results; 
} 

的一个数据看起来是正确解析这样的，当我把它拉下来使用终端和一个 “卷曲-v” 命令：

{"Search":{"Athlete": 
[{"@IDAthlete":"","@FirstName":"John","@LastName":"Doe","@Gender":"M","@IDSchool":"148","@SchoolName":"All American HS","@City":"Union","@State":"ST"}, 
{"@IDAthlete":"654321`","@FirstName":"Jane","@LastName":"Doe","@Gender":"F","@IDSchool":"18266","@SchoolName":"Any Ol HS","@City":"Union","@State":"ST"},]}} 

不解析看起来像这样的数据：

{"ROOT":{"@xmlns:sql":"urn:schemas-microsoft-com:xml-sql"/* School Info */,"row": 
{"@SelectedAthlete":"235434"},"HasTrack":{"@AthleteID":"235434"},"Athlete": 
{"@IDAthlete":"235434","@SchoolID":"148","@FirstName":"Jane","@LastName":"Doe","@Gender":"F", 
"SchType":[{"@SortID":"1","@SchoolType":"High School","@DispSchoolTypeAbbrev":"HS","School": 
{"@IDSchool":"148","@RegionID":"1","@SchoolName":"All American","SchoolDivision":[{"@DivisionID":"21036","Season":{"@IDSeason":"2012","@Display":"2012","Grade": 
{"@SingularGradeDesc":"11th Grade","@IDGrade":"11","Distance":[{"@Distance":"2600.00","@Units":"Meters","Result": ... 

我唯一能想到的就是JSON对以xmlns：sql开头的描述感到窒息，或者说这表明我有一个XML文件而不是JSON格式。 （我之前已经用XML解析过这些数据。）

我可以简单地操纵数据吗？还是需要修改生成API？

感谢您的帮助！

Answer 1

您的第二个JSON有一个字符串，/* School Info */，与"@xmlns:sql"键关联的值之后。我不知道它是如何得到的（在JSON中间有一个C风格的评论是没有意义的），但是如果你把它拿出来，你应该是好的。

如果您使用的工具类似http://jsonlint.com，它可以帮助识别这些类型的问题。