Flutter 查看快照之间的更改-firestore颤振
您知道如何在firestore和Flatter的上下文中查看特定集合的快照之间的更改吗 想法是只处理添加/删除/更新类型等差异。这里有:Flutter 查看快照之间的更改-firestore颤振,flutter,google-cloud-firestore,Flutter,Google Cloud Firestore,您知道如何在firestore和Flatter的上下文中查看特定集合的快照之间的更改吗 想法是只处理添加/删除/更新类型等差异。这里有: Firestore.instance.collection("your_collection").snapshots().listen((querySnapShot){ querySnapShot.documentChanges.forEach((documentChange){ if (documentC
Firestore.instance.collection("your_collection").snapshots().listen((querySnapShot){
querySnapShot.documentChanges.forEach((documentChange){
if (documentChange.type == DocumentChangeType.added){
print("document: ${documentChange.document.data} added");
} else if (documentChange.type == DocumentChangeType.modified){
print("document: ${documentChange.document.data} modified");
} else if (documentChange.type == DocumentChangeType.removed){
print("document: ${documentChange.document.data} removed");
}
});
});