Lire les lignes (HBase)
Restez organisé à l'aide des collections
Enregistrez et classez les contenus selon vos préférences.
Lit plusieurs lignes.
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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 code sample demonstrates how to read multiple rows from a Bigtable table using the Java client library.\u003c/p\u003e\n"],["\u003cp\u003eThe process involves initializing a connection to Bigtable, specifying the table, and creating a list of \u003ccode\u003eGet\u003c/code\u003e objects, each representing a row key to retrieve.\u003c/p\u003e\n"],["\u003cp\u003eThe code then executes the retrieval of the requested rows, and iterates through the results to print them individually.\u003c/p\u003e\n"],["\u003cp\u003eThe necessary credentials must be set up for the local development environment for successful authentication.\u003c/p\u003e\n"],["\u003cp\u003eFor more information about the bigtable library, you can use the references found within this document.\u003c/p\u003e\n"]]],[],null,["Reads multiple rows.\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 multiple row keys.\n */\n public static void readRows() {\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 readRows(projectId, instanceId, tableId);\n }\n\n public static void readRows(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 List\u003cGet\u003e queryRowList = new ArrayList\u003cGet\u003e();\n queryRowList.add(new Get(Bytes.toBytes(\"phone#4c410523#20190501\")));\n queryRowList.add(new Get(Bytes.toBytes(\"phone#4c410523#20190502\")));\n\n Result[] rows = table.get(queryRowList);\n\n for (Result row : rows) {\n printRow(row);\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)."]]