对FBSDKGraphRequest结果的类型化访问(FBSDK v4.1.0)
对FBSDKGraphRequest结果的类型化访问(FBSDK v4.1.0)
提问于 2015-05-27 12:18:26
我想知道是否有从FBSDKGraphRequest返回的结果的类型访问？
例如，我请求自己的个人资料，如下所示：
var theRequest = FBSDKGraphRequest(graphPath: "me", parameters: nil)
theRequest.startWithCompletionHandler({ (connection: FBSDKGraphRequestConnection!, result: AnyObject!, error: NSError!) -> Void in
// GET TYPED ACCESS TO MY ID
println(result.id)
// GET TYPED ACCESS TO MY GENDER
println(result.gender)
}
)这不起作用，因为result当前的类型是AnyObject，而AnyObject没有用于返回信息的字段。基本上，我想知道是否有一个类/协议，我可以转换结果，以便我有类型的访问。这个是可能的吗？到目前为止，这似乎不是我所研究的。
回答 1
Stack Overflow用户
发布于 2015-05-27 13:04:22
创建字典：
class ViewController: UIViewController {
var dict : NSDictionary!
}获取数据：
if((FBSDKAccessToken.currentAccessToken()) != nil){
FBSDKGraphRequest(graphPath: "me", parameters: ["fields": "id, name, first_name, last_name, picture.type(large), email"]).startWithCompletionHandler({ (connection, result, error) -> Void in
if (error == nil){
self.dict = result as NSDictionary
println(self.dict)
NSLog(self.dict.objectForKey("picture")?.objectForKey("data")?.objectForKey("url") as String)
}
})
}输出应为：
{
email = "ashishkakkad8@gmail.com";
"first_name" = Ashish;
id = 910855688971343;
"last_name" = Kakkad;
name = "Ashish Kakkad";
picture = {
data = {
"is_silhouette" = 0;
url = "https://fbcdn-profile-a.akamaihd.net/hprofile-ak-xfa1/v/t1.0-1/s200x200/22501_915701971820048_9046303472199214595_n.jpg?oh=f3b3564f1450c13332b3067a135cad5d&oe=55C71792&__gda__=1443571904_c4667dcb08d85682edfd77a90ee9c3ab";
};
};
}
2015-05-25 22:12:34.015 SwiftFB[2713:7830] https://fbcdn-profile-a.akamaihd.net/hprofile-ak-xfa1/v/t1.0-1/s200x200/22501_915701971820048_9046303472199214595_n.jpg?oh=f3b3564f1450c13332b3067a135cad5d&oe=55C71792&__gda__=1443571904_c4667dcb08d85682edfd77a90ee9c3ab页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/30473084
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