自 2025 年 4 月 29 日起,Gemini 1.5 Pro 和 Gemini 1.5 Flash 模型將無法用於先前未使用這些模型的專案,包括新專案。詳情請參閱「
模型版本和生命週期」。
使用生成式 AI 模型產生文字
透過集合功能整理內容
你可以依據偏好儲存及分類內容。
這個程式碼範例示範如何使用生成式 AI 模型,根據指定的文字輸入生成內容。
深入探索
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
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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,["# Generate text using Generative AI Model\n\nThis code sample demonstrates how to use Generative AI model to generate content for a given text input.\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Generate content with the Gemini API in Vertex AI](/vertex-ai/generative-ai/docs/model-reference/inference)\n- [Google Gen AI SDK](/vertex-ai/generative-ai/docs/sdks/overview)\n- [Migrate from the Gemini Developer API to the Gemini API in Vertex AI](/vertex-ai/generative-ai/docs/migrate/migrate-google-ai)\n- [Migrate your application to Gemini 2 with the Gemini API in Vertex AI](/vertex-ai/generative-ai/docs/migrate-to-v2)\n- [Quickstart: Generate text using the Vertex AI Gemini API](/vertex-ai/generative-ai/docs/start/quickstarts/quickstart-multimodal)\n- [Text generation](/vertex-ai/generative-ai/docs/multimodal/send-chat-prompts-gemini)\n\nCode sample\n-----------\n\n### Go\n\n\nBefore trying this sample, follow the Go setup instructions in the\n[Vertex AI quickstart using\nclient libraries](/vertex-ai/docs/start/client-libraries).\n\n\nFor more information, see the\n[Vertex AI Go API\nreference documentation](/go/docs/reference/cloud.google.com/go/aiplatform/latest/apiv1).\n\n\nTo authenticate to Vertex AI, 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 import (\n \t\"context\"\n \t\"fmt\"\n \t\"io\"\n\n \t\"google.golang.org/genai\"\n )\n\n // generateWithText shows how to generate text using a text prompt.\n func generateWithText(w io.Writer) error {\n \tctx := context.Background()\n\n \tclient, err := genai.NewClient(ctx, &genai.ClientConfig{\n \t\tHTTPOptions: genai.HTTPOptions{APIVersion: \"v1\"},\n \t})\n \tif err != nil {\n \t\treturn fmt.Errorf(\"failed to create genai client: %w\", err)\n \t}\n\n \tresp, err := client.Models.GenerateContent(ctx,\n \t\t\"gemini-2.5-flash\",\n \t\tgenai.Text(\"How does AI work?\"),\n \t\tnil,\n \t)\n \tif err != nil {\n \t\treturn fmt.Errorf(\"failed to generate content: %w\", err)\n \t}\n\n \trespText := resp.Text()\n\n \tfmt.Fprintln(w, respText)\n \t// Example response:\n \t// That's a great question! Understanding how AI works can feel like ...\n \t// ...\n \t// **1. The Foundation: Data and Algorithms**\n \t// ...\n\n \treturn nil\n }\n\n### Node.js\n\n\nBefore trying this sample, follow the Node.js setup instructions in the\n[Vertex AI quickstart using\nclient libraries](/vertex-ai/docs/start/client-libraries).\n\n\nFor more information, see the\n[Vertex AI Node.js API\nreference documentation](/nodejs/docs/reference/aiplatform/latest).\n\n\nTo authenticate to Vertex AI, 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 {GoogleGenAI} = require('@google/genai');\n\n const GOOGLE_CLOUD_PROJECT = process.env.GOOGLE_CLOUD_PROJECT;\n const GOOGLE_CLOUD_LOCATION = process.env.GOOGLE_CLOUD_LOCATION || 'global';\n\n async function generateContent(\n projectId = GOOGLE_CLOUD_PROJECT,\n location = GOOGLE_CLOUD_LOCATION\n ) {\n const ai = new GoogleGenAI({\n vertexai: true,\n project: projectId,\n location: location,\n });\n\n const response = await ai.models.generateContent({\n model: 'gemini-2.5-flash',\n contents: 'How does AI work?',\n });\n\n console.log(response.text);\n\n return response.text;\n }\n\n### Python\n\n\nBefore trying this sample, follow the Python setup instructions in the\n[Vertex AI quickstart using\nclient libraries](/vertex-ai/docs/start/client-libraries).\n\n\nFor more information, see the\n[Vertex AI Python API\nreference documentation](/python/docs/reference/aiplatform/latest).\n\n\nTo authenticate to Vertex AI, 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 from google import genai\n from google.genai.types import HttpOptions\n\n client = genai.Client(http_options=HttpOptions(api_version=\"v1\"))\n response = client.models.generate_content(\n model=\"gemini-2.5-flash\",\n contents=\"How does AI work?\",\n )\n print(response.text)\n # Example response:\n # Okay, let's break down how AI works. It's a broad field, so I'll focus on the ...\n #\n # Here's a simplified overview:\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=googlegenaisdk)."]]