Ios 如何解析didReceiveUserInfo用户信息参数?阿努阿伊
我正在尝试解析以下变量的Ios 如何解析didReceiveUserInfo用户信息参数?阿努阿伊,ios,swift,Ios,Swift,我正在尝试解析以下变量的userInfo变量: func session(_ session: WCSession, didReceiveUserInfo userInfo: [String : Any] = [:]) { 如果我打印(userInfo)我会看到: ["session": <__NSSingleObjectArrayI 0x608000011220>( { created = "2017-01-20 22:13:45 +0000"; device =
userInfo
变量:
func session(_ session: WCSession, didReceiveUserInfo userInfo: [String : Any] = [:]) {
如果我打印(userInfo)
我会看到:
["session": <__NSSingleObjectArrayI 0x608000011220>(
{
created = "2017-01-20 22:13:45 +0000";
device = "watchOS";
id = 8;
synced = 0;
"person_id" = 17;
}
)
]
然而,这失败了。因此,我的问题是访问“会话”的数据。我想把这本书改成字典
谢谢。看到您的输出,key
“session”
的值是一个NSArray
,其中包含一个对象,该对象是NSDictionary
,因此您可能需要从数组中检索一个元素:
if let sessions = userInfo["session"] as? [[String: Any]] {
//You may need to retrieve one element from the array
let sessionInfo = sessions[0]
//Use `sessionInfo` as [String: Any]
print(sessionInfo["created"]) //->Optional(2017-01-20 22:13:45 +0000)
//...
}
if let sessions = userInfo["session"] as? [[String: Any]] {
//You may need to retrieve one element from the array
let sessionInfo = sessions[0]
//Use `sessionInfo` as [String: Any]
print(sessionInfo["created"]) //->Optional(2017-01-20 22:13:45 +0000)
//...
}