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[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["很难理解","hardToUnderstand","thumb-down"],["信息或示例代码不正确","incorrectInformationOrSampleCode","thumb-down"],["没有我需要的信息/示例","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],[],[],[],null,["# Delete a Firestore document\n\nDelete a single Firestore document\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Delete data from Cloud Firestore](https://firebase.google.com/docs/firestore/manage-data/delete-data)\n- [Delete documents and fields](/firestore/native/docs/manage-data/delete-data)\n\nCode sample\n-----------\n\n### C#\n\n\nTo authenticate to Firestore, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n DocumentReference cityRef = db.Collection(\"cities\").Document(\"DC\");\n await cityRef.DeleteAsync();\n\n### Go\n\n\nTo authenticate to Firestore, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n\n import (\n \t\"context\"\n \t\"log\"\n\n \t\"cloud.google.com/go/firestore\"\n )\n\n func deleteDoc(ctx context.Context, client *firestore.Client) error {\n \t_, err := client.Collection(\"cities\").Doc(\"DC\").Delete(ctx)\n \tif err != nil {\n \t\t// Handle any errors in an appropriate way, such as returning them.\n \t\tlog.Printf(\"An error has occurred: %s\", err)\n \t}\n\n \treturn err\n }\n\n### Java\n\n\nTo authenticate to Firestore, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n // asynchronously delete a document\n ApiFuture\u003cWriteResult\u003e writeResult = db.collection(\"cities\").document(\"DC\").delete();\n // ...\n System.out.println(\"Update time : \" + writeResult.get().getUpdateTime());\n\n### Node.js\n\n\nTo authenticate to Firestore, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n const res = await db.collection('cities').doc('DC').delete();\n\n### PHP\n\n\nTo authenticate to Firestore, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n $db-\u003ecollection('samples/php/cities')-\u003edocument('DC')-\u003edelete();\n\n### Python\n\n\nTo authenticate to Firestore, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n db.collection(\"cities\").document(\"DC\").delete()\n\n### Ruby\n\n\nTo authenticate to Firestore, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n city_ref = firestore.doc \"#{collection_path}/DC\"\n city_ref.delete\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=firestore)."]]