Ios 如何从Firebase到table chat检索数据?
我从doc Firebase尝试过,但是我应该在哪里显示桌面聊天?到目前为止,我所尝试的:Ios 如何从Firebase到table chat检索数据?,ios,objective-c,firebase,firebase-realtime-database,Ios,Objective C,Firebase,Firebase Realtime Database,我从doc Firebase尝试过,但是我应该在哪里显示桌面聊天?到目前为止,我所尝试的: Firebase *ref = [[Firebase alloc] initWithUrl: @"https://simplechatapps.firebaseio.com"]; [[[ref queryOrderedByChild:@"message"] queryLimitedToLast:1] observeEventType:FEventTypeChildAdded withBlock:^(FDa
Firebase *ref = [[Firebase alloc] initWithUrl: @"https://simplechatapps.firebaseio.com"];
[[[ref queryOrderedByChild:@"message"] queryLimitedToLast:1] observeEventType:FEventTypeChildAdded withBlock:^(FDataSnapshot *snapshot) {
NSArray *message = snapshot.value[@"message"];
NSLog(@"%@",message);
}];
下面是数据的样子
--17
--chat
-Kal21gac2x2Za6q-Yq6
from: "13"
message: "hallo"
sender: "c52fb228be35675a"
time: "1484734081595"
to: "0"
注:17是聊天室
最终,我使用ZHCHAT来帮助我完成申请。
但是我在从firebase检索数据时遇到了死锁检查消息的类型,添加
NSLog(@“%@),NSStringFromClass([MessageClass])代码>@iphone类型为NSCFString