使用 Node.js 時建立 TCP 連線
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使用 Node.js npm mysql 模組開啟與 MySQL 適用的 Cloud SQL 的 TCP 連線。
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如需包含這個程式碼範例的詳細說明文件,請參閱下列內容:
程式碼範例
Node.js
如要向 MySQL 適用的 Cloud SQL 進行驗證,請設定應用程式預設憑證。
詳情請參閱「為本機開發環境設定驗證」。
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[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],[],[],[],null,["# Create a TCP connection when using Node.js\n\nOpen a TCP connection to Cloud SQL for MySQL by using the Node.js npm mysql module.\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Connect from App Engine flexible environment](/sql/docs/mysql/connect-app-engine-flexible)\n- [Connect from App Engine standard environment](/sql/docs/mysql/connect-app-engine-standard)\n- [Connect from Cloud Build](/sql/docs/mysql/connect-build)\n- [Connect from Cloud Run](/sql/docs/mysql/connect-run)\n- [Connect from Cloud Run functions](/sql/docs/mysql/connect-functions)\n- [Connect using the Cloud SQL Auth Proxy](/sql/docs/mysql/connect-auth-proxy)\n- [Manage database connections](/sql/docs/mysql/manage-connections)\n\nCode sample\n-----------\n\n### Node.js\n\n\nTo authenticate to Cloud SQL for MySQL, 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 mysql = require('promise-mysql');\n const fs = require('fs');\n\n // createTcpPool initializes a TCP connection pool for a Cloud SQL\n // instance of MySQL.\n const createTcpPool = async config =\u003e {\n // Note: Saving credentials in environment variables is convenient, but not\n // secure - consider a more secure solution such as\n // Cloud Secret Manager (https://cloud.google.com/secret-manager) to help\n // keep secrets safe.\n const dbConfig = {\n host: process.env.INSTANCE_HOST, // e.g. '127.0.0.1'\n port: process.env.DB_PORT, // e.g. '3306'\n user: process.env.DB_USER, // e.g. 'my-db-user'\n password: process.env.DB_PASS, // e.g. 'my-db-password'\n database: process.env.DB_NAME, // e.g. 'my-database'\n // ... Specify additional properties here.\n ...config,\n };\n // Establish a connection to the database.\n return mysql.createPool(dbConfig);\n };\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=cloud_sql_mysql)."]]