Obtenir des documents Firestore créés à partir de classes personnalisées
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Pour obtenir une documentation détaillée incluant cet exemple de code, consultez les articles suivants :
- Obtenir des données avec Cloud Firestore
- Obtenir des données
- Effectuer des requêtes simples et composées dans Cloud Firestore
- Interroger et filtrer les données
Exemple de code
C#
CollectionReference citiesRef = db.Collection("cities");
await citiesRef.Document("SF").SetAsync(new Dictionary<string, object>(){
{ "Name", "San Francisco" },
{ "State", "CA" },
{ "Country", "USA" },
{ "Capital", false },
{ "Population", 860000 }
});
await citiesRef.Document("LA").SetAsync(new Dictionary<string, object>(){
{ "Name", "Los Angeles" },
{ "State", "CA" },
{ "Country", "USA" },
{ "Capital", false },
{ "Population", 3900000 }
});
await citiesRef.Document("DC").SetAsync(new Dictionary<string, object>(){
{ "Name", "Washington D.C." },
{ "State", null },
{ "Country", "USA" },
{ "Capital", true },
{ "Population", 680000 }
});
await citiesRef.Document("TOK").SetAsync(new Dictionary<string, object>(){
{ "Name", "Tokyo" },
{ "State", null },
{ "Country", "Japan" },
{ "Capital", true },
{ "Population", 9000000 }
});
await citiesRef.Document("BJ").SetAsync(new Dictionary<string, object>(){
{ "Name", "Beijing" },
{ "State", null },
{ "Country", "China" },
{ "Capital", true },
{ "Population", 21500000 }
});
Console.WriteLine("Added example cities data to the cities collection.");Go
cities := []struct {
id string
c City
}{
{id: "SF", c: City{Name: "San Francisco", State: "CA", Country: "USA", Capital: false, Population: 860000}},
{id: "LA", c: City{Name: "Los Angeles", State: "CA", Country: "USA", Capital: false, Population: 3900000}},
{id: "DC", c: City{Name: "Washington D.C.", Country: "USA", Capital: true, Population: 680000}},
{id: "TOK", c: City{Name: "Tokyo", Country: "Japan", Capital: true, Population: 9000000}},
{id: "BJ", c: City{Name: "Beijing", Country: "China", Capital: true, Population: 21500000}},
}
for _, c := range cities {
_, err := client.Collection("cities").Doc(c.id).Set(ctx, c.c)
if err != nil {
return err
}
}Java
CollectionReference cities = db.collection("cities");
List<ApiFuture<WriteResult>> futures = new ArrayList<>();
futures.add(
cities
.document("SF")
.set(
new City(
"San Francisco",
"CA",
"USA",
false,
860000L,
Arrays.asList("west_coast", "norcal"))));
futures.add(
cities
.document("LA")
.set(
new City(
"Los Angeles",
"CA",
"USA",
false,
3900000L,
Arrays.asList("west_coast", "socal"))));
futures.add(
cities
.document("DC")
.set(
new City(
"Washington D.C.", null, "USA", true, 680000L, Arrays.asList("east_coast"))));
futures.add(
cities
.document("TOK")
.set(
new City(
"Tokyo", null, "Japan", true, 9000000L, Arrays.asList("kanto", "honshu"))));
futures.add(
cities
.document("BJ")
.set(
new City(
"Beijing",
null,
"China",
true,
21500000L,
Arrays.asList("jingjinji", "hebei"))));
// (optional) block on operation
ApiFutures.allAsList(futures).get();Node.js
const citiesRef = db.collection('cities');
await citiesRef.doc('SF').set({
name: 'San Francisco', state: 'CA', country: 'USA',
capital: false, population: 860000
});
await citiesRef.doc('LA').set({
name: 'Los Angeles', state: 'CA', country: 'USA',
capital: false, population: 3900000
});
await citiesRef.doc('DC').set({
name: 'Washington, D.C.', state: null, country: 'USA',
capital: true, population: 680000
});
await citiesRef.doc('TOK').set({
name: 'Tokyo', state: null, country: 'Japan',
capital: true, population: 9000000
});
await citiesRef.doc('BJ').set({
name: 'Beijing', state: null, country: 'China',
capital: true, population: 21500000
});PHP
$citiesRef = $db->collection('samples/php/cities');
$citiesRef->document('SF')->set([
'name' => 'San Francisco',
'state' => 'CA',
'country' => 'USA',
'capital' => false,
'population' => 860000
]);
$citiesRef->document('LA')->set([
'name' => 'Los Angeles',
'state' => 'CA',
'country' => 'USA',
'capital' => false,
'population' => 3900000
]);
$citiesRef->document('DC')->set([
'name' => 'Washington D.C.',
'state' => null,
'country' => 'USA',
'capital' => true,
'population' => 680000
]);
$citiesRef->document('TOK')->set([
'name' => 'Tokyo',
'state' => null,
'country' => 'Japan',
'capital' => true,
'population' => 9000000
]);
$citiesRef->document('BJ')->set([
'name' => 'Beijing',
'state' => null,
'country' => 'China',
'capital' => true,
'population' => 21500000
]);
printf('Added example cities data to the cities collection.' . PHP_EOL);Python
cities_ref = db.collection(u'cities')
cities_ref.document(u'BJ').set(
City(u'Beijing', None, u'China', True, 21500000, [u'hebei']).to_dict())
cities_ref.document(u'SF').set(
City(u'San Francisco', u'CA', u'USA', False, 860000,
[u'west_coast', u'norcal']).to_dict())
cities_ref.document(u'LA').set(
City(u'Los Angeles', u'CA', u'USA', False, 3900000,
[u'west_coast', u'socal']).to_dict())
cities_ref.document(u'DC').set(
City(u'Washington D.C.', None, u'USA', True, 680000,
[u'east_coast']).to_dict())
cities_ref.document(u'TOK').set(
City(u'Tokyo', None, u'Japan', True, 9000000,
[u'kanto', u'honshu']).to_dict())Ruby
cities_ref = firestore.col collection_path
cities_ref.doc("SF").set(
{
name: "San Francisco",
state: "CA",
country: "USA",
capital: false,
population: 860_000
}
)
cities_ref.doc("LA").set(
{
name: "Los Angeles",
state: "CA",
country: "USA",
capital: false,
population: 3_900_000
}
)
cities_ref.doc("DC").set(
{
name: "Washington D.C.",
state: nil,
country: "USA",
capital: true,
population: 680_000
}
)
cities_ref.doc("TOK").set(
{
name: "Tokyo",
state: nil,
country: "Japan",
capital: true,
population: 9_000_000
}
)
cities_ref.doc("BJ").set(
{
name: "Beijing",
state: nil,
country: "China",
capital: true,
population: 21_500_000
}
)Étapes suivantes
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