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如何檢索由Firebase生成的隨機ID密鑰?檢索由Firebase生成的隨機ID密鑰?
舉例來說,如果我有這樣的:
users
|
|---- KT4NTZTzFduj3DNLQgg
| |
| |---- uid: "7ZLldIsRu3NQMOb6"
| |---- username: "John"
|
|
|---- TO39dsjk2wREF34kmcs // I want this
| |
| |---- uid: "455klfmckjsnenk2sxkm2"
| |---- username: "Micheal"
我想保持與價值等於邁克爾用戶名的關鍵。
firebase.database().ref('users').orderByChild("username").equalTo("Micheal").once("value", function(snapshot)
{
what should I write here??
});
我相信它'使用推()怎麼辦時snapshot.key'的[在火力地堡 – eshirima
可能的複製我拉唯一的ID](http://stackoverflow.com/questions/16637035/in-firebase-when-using-push-how-do-i-pull-the-unique-id) – dafyk