Flutter如何从Firebase获取所有子集合?我需要AllDocument和All Collection

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未来类型产品(字符串currentUser)异步{等待databaseReference.collection('products')。getDocuments()。then(((QuerySnapshot snapShot){_type = snapShot.denter image description hereococments;_type.forEach((数据){print(data.documentID);在此处输入图片描述});});}

firebase flutter collections google-cloud-firestore document
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final productsRef = Firestore.instance.collection(products); productsRef.getDocuments().then(( QuerySnapshot snapshot){ snapshot.documents.forEach((DocumentSnapshot doc){ print(doc.data); }); });
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