I m 制成一盘旋式扫描仪,利用JSON AP搜索YouTube视频。 然而,谷歌是 la的,因此它们只是将ATOM的饲料转化为JSON。 类似情况:
feed->entry[0]->author[0]->name->$t
这意味着很难从国家航空航天局获取信息,因为我需要获得一系列关键物体的关键物品。
To check if the structure is correct, I can choose two things:
我要选择第二点。 问题是,我刚才读过,这是不好的做法。 是的? 如果是的话,验证NSDictionaries的NSArrays的方法是否较短? 我的 app可能永远不会坠毁,即使用户在操作时间搬走了处理器,因此根本不能检查。
您能否帮助我? 感谢。
您是否尝试过GData AP? http://itunes.apple.com/us/app/skystop/id392782307?mt=8'rel=“nofollow”http://itunes.apple.com/us/app/skystop/id392782307?mt=8。 它基本上将XML档案用于你要求的任何工作,而且你可以将它变成一个名单或一个NSArray。
i m not sure i understand, the API itself works in JSON instead of ATOM so you need to di into every item ? If this is so then you are right, not much you can do except to seardch the web for helper libraries that might have been made even in google code to support this API.
In any case #2 is bad practice first of all since try catch usually consume more system resources then simple boolean cheek or checks. Second once you are in the catch block you are kind of in problem since all you can do is print an error to the user or yourself, if you want to go on parsing and checking, you can t... and last but not least (I m sure there are reasons I m not thinking of) except for the message you might get with the exception u are never to sure where it came from...
你们是否把我说了? 如果是的话,我建议利用外部框架为你工作。 在我自己的几个项目中,我使用Json-framework,而这项工作是公正的。
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