所有 Firestore 代码示例

This page contains code samples for Firestore. To search and filter code samples for other Google Cloud products, see the Google Cloud sample browser.

Use a custom type on the client for Firestore documents (async)

Use a custom type on the client for Firestore documents (async).

Python

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• Add data to Cloud Firestore
• Adding data
• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Add a Firestore document

Add a Firestore document

C# Go Java Node.js PHP Python Ruby

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• Add data to Cloud Firestore
• Adding data

Add a Firestore document (async)

Add a Firestore document (async).

Python

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• Add data to Cloud Firestore
• Adding data

Add a Firestore document using a custom type

Add a Firestore document using a custom type

C# Go Java Python

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• Add data to Cloud Firestore
• Adding data

Add a Firestore document using a custom type (async)

Add a Firestore document using a custom type (async).

Python

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• Add data to Cloud Firestore
• Adding data

Add a Firestore document using a map

Add a Firestore document using a map

C# Go Java Node.js PHP Python Ruby

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• Add data to Cloud Firestore
• Adding data

Add a Firestore document using a map (async)

Add a Firestore document using a map (async).

Python

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• Add data to Cloud Firestore
• Adding data

Add a Firestore document using a nested map

Add a Firestore document using a nested map

C# Go Java Node.js PHP Python Ruby

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• Add data to Cloud Firestore
• Adding data

Add a Firestore document using a nested map (async)

Add a Firestore document using a nested map (async).

Python

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• Add data to Cloud Firestore
• Adding data

Add a Firestore document using an autogenerated id

Add a Firestore document using an autogenerated id

C# Go Java Node.js PHP Python Ruby

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• Add data to Cloud Firestore
• Adding data

Add a Firestore document using an autogenerated id (async)

Add a Firestore document using an autogenerated id (async).

Python

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• Add data to Cloud Firestore
• Adding data

Add a Firestore document with nested fields

Add a Firestore document with nested fields

C# Go Java Node.js PHP Python Ruby

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• Add data to Cloud Firestore
• Adding data

Add a Firestore document with nested fields (async)

Add a Firestore document with nested fields (async).

Python

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• Add data to Cloud Firestore
• Adding data

Add data to Firestore (async)

Add data to Firestore (async).

Python

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• Create a Firestore database by using a server client library
• Get started with Cloud Firestore

Add data to Firestore (async)

Add data to Firestore (async).

Python

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• Create a Firestore database by using a server client library
• Get started with Cloud Firestore

An example Firestore query with an invalid range

An example Firestore query with an invalid range

C# Go Java Node.js PHP Python Ruby

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

An example Firestore query with an invalid range (async)

An example Firestore query with an invalid range (async).

Python

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

An example of an invalid order and limit Firestore query

An example of an invalid order and limit Firestore query

C# Go Java Node.js PHP Python Ruby

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• Order and limit data with Cloud Firestore
• Ordering and limiting data

An example of an invalid order and limit Firestore query (async)

An example of an invalid order and limit Firestore query (async).

Python

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• Order and limit data with Cloud Firestore
• Ordering and limiting data

Conditionally updating a Firestore document in a transaction

Conditionally updating a Firestore document in a transaction

C# Go Java Node.js PHP Python Ruby

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• Transactions and batched writes
• Transactions and batched writes

Conditionally updating a Firestore document in a transaction (async)

Conditionally updating a Firestore document in a transaction (async).

Python

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• Transactions and batched writes
• Transactions and batched writes

Create a collection of Firestore documents

Create a collection of Firestore documents

C# Go Java Node.js PHP Python Ruby

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Create a collection of Firestore documents (async)

Create a collection of Firestore documents (async).

Python

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Create a Firestore collection reference

Create a Firestore collection reference

C# Go Java Node.js PHP Python Ruby

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• Cloud Firestore Data model
• Data model

Create a Firestore collection reference (async)

Create a Firestore collection reference (async).

Python

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• Cloud Firestore Data model
• Data model

Create a Firestore document reference

Create a Firestore document reference

C# Go Java Node.js PHP Python Ruby

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• Cloud Firestore Data model
• Data model

Create a Firestore document reference (async)

Create a Firestore document reference (async).

Python

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• Cloud Firestore Data model
• Data model

Create a Firestore document reference from a document path

Create a Firestore document reference from a document path

C# Go Java Node.js PHP Python Ruby

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• Cloud Firestore Data model
• Data model

Create a Firestore document reference from a document path (async)

Create a Firestore document reference from a document path (async).

Python

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• Cloud Firestore Data model
• Data model

Create a Firestore document reference with an autogenerated id

Create a Firestore document reference with an autogenerated id

C# Go Java Node.js PHP Python Ruby

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• Add data to Cloud Firestore
• Adding data

Create a Firestore document reference with an autogenerated id (async)

Create a Firestore document reference with an autogenerated id (async).

Python

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• Add data to Cloud Firestore
• Adding data

Create a Firestore sharded counter

Create a Firestore sharded counter

C# Go PHP Python Ruby

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• Distributed counters
• Distributed counters

Create a Firestore sharded counter (async)

Create a Firestore sharded counter (async).

Python

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• Distributed counters
• Distributed counters

Create a Firestore subcollection reference

Create a Firestore subcollection reference

C# Go Java Node.js PHP Python Ruby

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• Cloud Firestore Data model
• Data model

Create a Firestore subcollection reference (async)

Create a Firestore subcollection reference (async).

Python

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• Cloud Firestore Data model
• Data model

Create a Firestore watch listener

Create a Firestore watch listener

C# Go Java Node.js Python Ruby

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• Get realtime updates with Cloud Firestore
• Getting real-time updates

Create Client with Project ID

Create Client with Project ID

C# Java PHP Python

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• Add data to Cloud Firestore
• Adding data
• Create a Firestore database by using a server client library
• Get data with Cloud Firestore
• Get started with Cloud Firestore
• Getting data

Create custom shard and counter types for Firestore distributed counters

Create custom shard and counter types for Firestore distributed counters

C# Go Python

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• Distributed counters
• Distributed counters

Create custom shard and counter types for Firestore distributed counters (async)

Create custom shard and counter types for Firestore distributed counters (async).

Python

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• Distributed counters
• Distributed counters

Creating a Firestore client

Creating a Firestore client

Go Java Node.js PHP Python Ruby

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• Add data to Cloud Firestore
• Adding data
• Create a Firestore database by using a server client library
• Get data with Cloud Firestore
• Get started with Cloud Firestore
• Getting data

Creating a Firestore client (async)

Creating a Firestore client (async).

Python

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• Adding data
• Create a Firestore database by using a server client library
• Getting data

Delete a Firestore collection

Delete a Firestore collection and documents within.

C# Go Java Node.js PHP Python Ruby

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• Delete data from Cloud Firestore
• Deleting data

Delete a Firestore collection (async)

Delete a Firestore collection and documents within (async).

Python

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• Delete data from Cloud Firestore
• Deleting data

Delete a Firestore document

Delete a single Firestore document

C# Go Java Node.js PHP Python Ruby

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• Delete data from Cloud Firestore
• Deleting data

Delete a Firestore document (async)

Delete a single Firestore document (async).

Python

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• Delete data from Cloud Firestore
• Deleting data

Delete a Firestore field

Delete a Firestore field

C# Go Java Node.js PHP Python Ruby

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• Delete data from Cloud Firestore
• Deleting data

Delete a Firestore field (async)

Delete a Firestore field (async).

Python

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• Delete data from Cloud Firestore
• Deleting data

Get a Firestore document using custom types

Get a Firestore document using custom types.

C# Go Java PHP Python

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• Get data with Cloud Firestore
• Getting data

Get a Firestore document using custom types (async)

Get a Firestore document using custom types (async).

Python

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• Get data with Cloud Firestore
• Getting data

Get all documents

Get all documents within a Firestore Collection

C# Go Java Node.js PHP Python Ruby

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• Get data with Cloud Firestore
• Getting data

Get all documents (async)

Get all documents within a Firestore Collection (async).

Python

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• Get data with Cloud Firestore
• Getting data

Get Firestore Documents created from custom classes

Get Firestore Documents created from custom classes

C# Go Java Node.js PHP Python Ruby

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• Get data with Cloud Firestore
• Getting data
• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Get Firestore Documents created from custom classes (async)

Get Firestore Documents created from custom classes (async).

Python

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• Get data with Cloud Firestore
• Getting data
• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Get Firestore documents in nested collections

Get Firestore documents in nested collections

C# Go Java Node.js PHP Python Ruby

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• Get data with Cloud Firestore
• Getting data

Get Firestore documents in nested collections (async)

Get Firestore documents in nested collections (async).

Python

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• Get data with Cloud Firestore
• Getting data

Getting a Firestore document while using shards

Getting a Firestore document while using shards

C# Go Node.js PHP Python Ruby

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• Distributed counters
• Distributed counters

Getting a Firestore document while using shards (async)

Getting a Firestore document while using shards (async).

Python

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• Distributed counters
• Distributed counters

Getting Firestore documents from a collection

Getting Firestore documents from a collection

C# Go Java Node.js PHP Python Ruby

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• Create a Firestore database by using a server client library
• Get started with Cloud Firestore

Getting started with Firestore

Getting started with Firestore

Kotlin Node.js

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• Kotlin on Google Cloud

Handle Firestore watch listener errors

Handle Firestore watch listener errors

Go Java Node.js Ruby

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• Get realtime updates with Cloud Firestore
• Getting real-time updates

Increment a Firestore document field

Update a Firestore document field using Increment. If a field doesn't exist, Firestore creates the field, and then increments it.

C# Go Java Node.js PHP Python Ruby

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• Add data to Cloud Firestore
• Adding data

Increment a Firestore document field (async)

Update a Firestore document field using Increment (async).

Python

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• Add data to Cloud Firestore
• Adding data

Incrementing a Firestore document field while using shards

Incrementing a Firestore document field while using shards

C# Go Node.js PHP Python Ruby

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• Distributed counters
• Distributed counters

Incrementing a Firestore document field while using shards (async)

Incrementing a Firestore document field while using shards (async).

Python

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• Distributed counters
• Distributed counters

Monitor query result changes with Firestore Watch

Monitor query result changes with Firestore Watch

C# Go Java Node.js Python Ruby

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• Get realtime updates with Cloud Firestore
• Getting real-time updates

Observe change types with Firestore watch listeners

Observe change types with Firestore watch listeners

C# Go Java Node.js Python Ruby

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• Get realtime updates with Cloud Firestore
• Getting real-time updates

Ordering a Firestore query on multiple fields

Ordering a Firestore query on multiple fields

C# Go Java Node.js PHP Python Ruby

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• Order and limit data with Cloud Firestore
• Ordering and limiting data

Ordering a Firestore query on multiple fields (async)

Ordering a Firestore query on multiple fields (async).

Python

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• Order and limit data with Cloud Firestore
• Ordering and limiting data

Ordering a Firestore query with a filter

Ordering a Firestore query with a filter

C# Go Java Node.js PHP Python Ruby

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• Order and limit data with Cloud Firestore
• Ordering and limiting data

Ordering a Firestore query with a filter (async)

Ordering a Firestore query with a filter (async).

Python

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• Order and limit data with Cloud Firestore
• Ordering and limiting data

Ordering and limiting Firestore queries

Ordering and limiting Firestore queries

C# Go Java Node.js PHP Python Ruby

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• Order and limit data with Cloud Firestore
• Ordering and limiting data

Ordering and limiting Firestore queries (async)

Ordering and limiting Firestore queries (async).

Python

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• Order and limit data with Cloud Firestore
• Ordering and limiting data

Ordering and limiting Firestore queries in descending order

Ordering and limiting Firestore queries in descending order

C# Go Java Node.js PHP Python Ruby

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• Order and limit data with Cloud Firestore
• Ordering and limiting data

Ordering and limiting Firestore queries in descending order (async)

Ordering and limiting Firestore queries in descending order (async).

Python

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• Order and limit data with Cloud Firestore
• Ordering and limiting data

Ordering and limiting Firestore queries with a filter

Ordering and limiting Firestore queries with a filter

C# Go Java Node.js PHP Python Ruby

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• Order and limit data with Cloud Firestore
• Ordering and limiting data

Ordering and limiting Firestore queries with a filter (async)

Ordering and limiting Firestore queries with a filter (async).

Python

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• Order and limit data with Cloud Firestore
• Ordering and limiting data

Performs a batch update on a Firestore document

Performs a batch update on a Firestore document

C# Go Java Node.js PHP Python Ruby

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• Transactions and batched writes
• Transactions and batched writes

Performs a batch update on a Firestore document (async)

Performs a batch update on a Firestore document (async).

Python

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• Transactions and batched writes
• Transactions and batched writes

Query a collection group using a partitioned query

Query a collection group using a partitioned query

Go

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Query a Firestore collection

Query a Firestore collection

C# Go Java Node.js PHP Python Ruby

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• Get data with Cloud Firestore
• Getting data
• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Query a Firestore collection (async)

Query a Firestore collection (async).

Python

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• Get data with Cloud Firestore
• Getting data
• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Query a Firestore collection group with an eq filter

Query a Firestore collection group with an eq filter

C# Go Java Node.js PHP Python Ruby

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Query a Firestore collection group with an eq filter (async)

Query a Firestore collection group with an eq filter (async).

Python

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Query a Firestore collection with a boolean eq filter

Query a Firestore collection with a boolean eq filter

C# Go Java Node.js PHP Python Ruby

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Query a Firestore collection with a boolean eq filter (async)

Query a Firestore collection with a boolean eq filter (async).

Python

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Query a Firestore collection with a cursor end at filter

Query a Firestore collection with a cursor end at filter

C# Go Java Node.js PHP Python Ruby

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• Paginate data with query cursors
• Paginating data with query cursors

Query a Firestore collection with a cursor end at filter (async)

Query a Firestore collection with a cursor end at filter (async).

Python

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• Paginate data with query cursors
• Paginating data with query cursors

Query a Firestore collection with a cursor start at document filter

Query a Firestore collection with a cursor start at document filter

C# Go Java Node.js PHP Python Ruby

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• Paginate data with query cursors
• Paginating data with query cursors

Query a Firestore collection with a cursor start at document filter (async)

Query a Firestore collection with a cursor start at document filter (async).

Python

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• Paginate data with query cursors
• Paginating data with query cursors

Query a Firestore collection with a cursor start at field (multiple) filter

Query a Firestore collection with a cursor start at field (multiple) filter

C# Go Java Node.js PHP Python Ruby

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• Paginate data with query cursors
• Paginating data with query cursors

Query a Firestore collection with a cursor start at field (multiple) filter (async)

Query a Firestore collection with a cursor start at field (multiple) filter (async).

Python

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• Paginate data with query cursors
• Paginating data with query cursors

Query a Firestore collection with a cursor start at field filter

Query a Firestore collection with a cursor start at field filter

C# Go Java Node.js PHP Python Ruby

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• Paginate data with query cursors
• Paginating data with query cursors

Query a Firestore collection with a cursor start at field filter (async)

Query a Firestore collection with a cursor start at field filter (async).

Python

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• Paginate data with query cursors
• Paginating data with query cursors

Query a Firestore collection with a not eq filter

Query a Firestore collection with a not eq filter

Java Node.js PHP Ruby

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Query a Firestore collection with a not in filter

Query a Firestore collection with a not in filter

Java Node.js PHP Ruby

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Query a Firestore collection with a string eq filter

Query a Firestore collection with a string eq filter

C# Go Java Node.js PHP Python Ruby

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Query a Firestore collection with a string eq filter (async)

Query a Firestore collection with a string eq filter (async).

Python

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Query a Firestore collection with an array_contains filter

Query a Firestore collection with an array_contains filter

C# Go Java Node.js PHP Python Ruby

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Query a Firestore collection with an array_contains filter (async)

Query a Firestore collection with an array_contains filter (async).

Python

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Query a Firestore collection with an array_contains_any filter

Query a Firestore collection with an array_contains_any filter

C# Go Java Node.js PHP Python Ruby

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Query a Firestore collection with an array_contains_any filter (async)

Query a Firestore collection with an array_contains_any filter (async).

Python

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Query a Firestore collection with an in array filter

Query a Firestore collection with an in array filter

C# Go Java Node.js PHP Python Ruby

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Query a Firestore collection with an in array filter (async)

Query a Firestore collection with an in array filter (async).

Python

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Query a Firestore collection with an in filter

Query a Firestore collection with an in filter

C# Go Java Node.js PHP Python Ruby

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Query a Firestore collection with an in filter (async)

Query a Firestore collection with an in filter (async).

Python

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Query a Firestore collection with multiple eq filters

Query a Firestore collection with multiple eq filters

C# Go Java Node.js PHP Python Ruby

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View in documentation

• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Query a Firestore collection with multiple eq filters (async)

Query a Firestore collection with multiple eq filters (async).

Python

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• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Query a subcollection

Demonstrates how to query a subcollection.

Kotlin

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• Get data with Cloud Firestore
• Getting data

Querying Firestore collections with one range

Querying Firestore collections with one range

C# Go Java Node.js PHP Python Ruby

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View in documentation

• Perform simple and compound queries in Cloud Firestore
• Querying and filtering data

Querying Firestore collections with one range (async)

Querying Firestore collections with one range (async).

Python