Lire les plages de lignes (HBase)
Restez organisé à l'aide des collections
Enregistrez et classez les contenus selon vos préférences.
Lire les lignes avec plusieurs plages.
En savoir plus
Pour obtenir une documentation détaillée incluant cet exemple de code, consultez les pages suivantes :
Exemple de code
Sauf indication contraire, le contenu de cette page est régi par une licence Creative Commons Attribution 4.0, et les échantillons de code sont régis par une licence Apache 2.0. Pour en savoir plus, consultez les Règles du site Google Developers. Java est une marque déposée d'Oracle et/ou de ses sociétés affiliées.
[[["Facile à comprendre","easyToUnderstand","thumb-up"],["J'ai pu résoudre mon problème","solvedMyProblem","thumb-up"],["Autre","otherUp","thumb-up"]],[["Difficile à comprendre","hardToUnderstand","thumb-down"],["Informations ou exemple de code incorrects","incorrectInformationOrSampleCode","thumb-down"],["Il n'y a pas l'information/les exemples dont j'ai besoin","missingTheInformationSamplesINeed","thumb-down"],["Problème de traduction","translationIssue","thumb-down"],["Autre","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis content demonstrates how to read a range of rows in a Bigtable table using Java code.\u003c/p\u003e\n"],["\u003cp\u003eThe code provided uses a key range to specify the start and stop rows for the read operation.\u003c/p\u003e\n"],["\u003cp\u003eAuthentication is required to connect to Bigtable, and setting up Application Default Credentials is recommended.\u003c/p\u003e\n"],["\u003cp\u003eThe code initializes a Bigtable client, defines a scan operation with start and stop row keys, and then iterates through the resulting rows.\u003c/p\u003e\n"],["\u003cp\u003eThe content references further documentation for reading data, setting up the client library and sample browser.\u003c/p\u003e\n"]]],[],null,["Read rows with multiple ranges.\n\nExplore further\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Read examples](/bigtable/docs/reading-data)\n\nCode sample \n\nJava\n\n\nTo learn how to install and use the client library for Bigtable, see\n[Bigtable client libraries](/bigtable/docs/reference/libraries).\n\n\nTo authenticate to Bigtable, 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 /**\n * Example of reading a range of rows using a key range.\n */\n public static void readRowRange() {\n // TODO(developer): Replace these variables before running the sample.\n String projectId = \"my-project-id\";\n String instanceId = \"my-instance-id\";\n String tableId = \"mobile-time-series\";\n readRowRange(projectId, instanceId, tableId);\n }\n\n public static void readRowRange(String projectId, String instanceId, String tableId) {\n // Initialize client that will be used to send requests. This client only needs to be created\n // once, and can be reused for multiple requests.\n try (Connection connection = BigtableConfiguration.connect(projectId, instanceId)) {\n Table table = connection.getTable(TableName.valueOf(tableId));\n\n Scan rangeQuery =\n new Scan()\n .withStartRow(Bytes.toBytes(\"phone#4c410523#20190501\"))\n .withStopRow(Bytes.toBytes(\"phone#4c410523#201906201\"));\n\n ResultScanner rows = table.getScanner(rangeQuery);\n\n for (Result row : rows) {\n printRow(row);\n }\n\n } catch (IOException e) {\n System.out.println(\n \"Unable to initialize service client, as a network error occurred: \\n\" + e.toString());\n }\n }\n\nWhat's next\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=bigtable)."]]