生成长文档
中级
这是一个Content Creation, Multimodal AI领域的自动化工作流，包含 14 个节点。主要使用 Set, Form, SplitOut, GoogleDocs, FormTrigger 等节点。 使用GPT-5和Google Docs从简单标题生成长篇文档
前置要求
- •OpenAI API Key
使用的节点 (14)
工作流预览
可视化展示节点连接关系，支持缩放和平移
导出工作流
复制以下 JSON 配置到 n8n 导入，即可使用此工作流
{
"id": "TkSOqdrMsNs3WpDK",
"meta": {
"instanceId": "a0e41110bf9f611e96e18e0663d80d746aeedc58368940bfe471a8d577a5069b",
"templateCredsSetupCompleted": true
},
"name": "生成长文档",
"tags": [],
"nodes": [
{
"id": "60f4490d-4cb9-4cc6-bf22-cd106c3ffef2",
"name": "结构化输出解析器",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
496,
48
],
"parameters": {
"jsonSchemaExample": "{\n \"blogTitle\": \"How to Build an AI Automation Workflow with n8n\",\n \"sections\": [\n {\n \"sectionId\": 1,\n \"sectionTitle\": \"Introduction: Why AI Automation Matters\",\n \"sectionSummary\": \"Explain the rise of AI automation and why it's valuable for productivity.\"\n },\n {\n \"sectionId\": 2,\n \"sectionTitle\": \"Tools You Need to Get Started\",\n \"sectionSummary\": \"List and briefly describe essential tools like n8n, OpenAI API, and Supabase.\"\n },\n {\n \"sectionId\": 3,\n \"sectionTitle\": \"Step-by-Step Workflow Setup\",\n \"sectionSummary\": \"Break down how to connect nodes, triggers, and APIs to build the automation.\"\n },\n {\n \"sectionId\": 4,\n \"sectionTitle\": \"Testing and Optimization\",\n \"sectionSummary\": \"Show how to test, debug, and improve the automation workflow.\"\n },\n {\n \"sectionId\": 5,\n \"sectionTitle\": \"Conclusion and Next Steps\",\n \"sectionSummary\": \"Wrap up the article and encourage readers to experiment with AI workflows.\"\n }\n ]\n}"
},
"typeVersion": 1.3
},
{
"id": "0aa103cc-e536-4041-a546-bf2ad16cd58d",
"name": "分离输出",
"type": "n8n-nodes-base.splitOut",
"position": [
928,
-192
],
"parameters": {
"include": "allOtherFields",
"options": {},
"fieldToSplitOut": "sections"
},
"typeVersion": 1
},
{
"id": "84a0b969-dcf6-484a-ac18-5ca1663926d0",
"name": "遍历项目",
"type": "n8n-nodes-base.splitInBatches",
"position": [
1152,
-192
],
"parameters": {
"options": {}
},
"typeVersion": 3
},
{
"id": "ad643365-42ef-4e62-9c3d-7da17915bb09",
"name": "简单记忆",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
1520,
-80
],
"parameters": {
"sessionKey": "={{ $('GetSections').item.json.documentId }}",
"sessionIdType": "customKey",
"contextWindowLength": 30
},
"typeVersion": 1.3
},
{
"id": "69495066-646b-4cd5-8bb2-01abb95c67c7",
"name": "获取章节",
"type": "n8n-nodes-base.set",
"position": [
704,
-192
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "5b79fc5b-55ae-42ed-a138-9150a7b86c70",
"name": "sections",
"type": "array",
"value": "={{ $json.output.sections }}"
},
{
"id": "73ed193b-9d56-4229-a1da-89037a241a3e",
"name": "documentId",
"type": "string",
"value": "={{ Math.random().toString(36).substring(2, 10).toUpperCase() }}"
}
]
}
},
"notesInFlow": true,
"typeVersion": 3.4
},
{
"id": "d45e18a1-274b-42f8-a516-cdd7fa472703",
"name": "创建文档",
"type": "n8n-nodes-base.googleDocs",
"position": [
128,
-336
],
"parameters": {
"title": "={{ $('On form submission').item.json.Title }}",
"folderId": "default"
},
"credentials": {
"googleDocsOAuth2Api": {
"id": "ue3sXJAM99TJeGwG",
"name": "Google Docs account"
}
},
"typeVersion": 2
},
{
"id": "3da122af-c430-4dc0-a237-2fd6008f5e0c",
"name": "更新文档",
"type": "n8n-nodes-base.googleDocs",
"position": [
1728,
-192
],
"parameters": {
"actionsUi": {
"actionFields": [
{
"text": "={{$json.output + \"\\n\\n\"}}\n",
"action": "insert"
}
]
},
"operation": "update",
"documentURL": "={{ $('CreateDocument').item.json.id }}"
},
"credentials": {
"googleDocsOAuth2Api": {
"id": "ue3sXJAM99TJeGwG",
"name": "Google Docs account"
}
},
"typeVersion": 2
},
{
"id": "988ad51b-7a09-4712-907e-d852a4d228ef",
"name": "gpt-5-mini",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
368,
48
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-5-mini",
"cachedResultName": "gpt-5-mini"
},
"options": {}
},
"credentials": {
"openAiApi": {
"id": "2TBvwobWbbHlIjKT",
"name": "OpenAi account"
}
},
"typeVersion": 1.2
},
{
"id": "033dd289-00c8-4753-b0b1-0f78cdfd9e63",
"name": "gpt-5",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
1392,
-80
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-5",
"cachedResultName": "gpt-5"
},
"options": {
"timeout": 600000
}
},
"credentials": {
"openAiApi": {
"id": "2TBvwobWbbHlIjKT",
"name": "OpenAi account"
}
},
"typeVersion": 1.2
},
{
"id": "17a2ab80-75e7-4f72-92cb-c4d06b2fbf3c",
"name": "内容撰写器",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
1376,
-304
],
"parameters": {
"text": "=Help write section: {{ $json.sections.sectionId }}. {{ $json.sections.sectionTitle }}",
"options": {
"systemMessage": "=You are a professional content generator and technical writer. \nYour task is to generate complete Markdown sections based on a provided JSON structure.\n\n#JSON structure:\n{{ $('ContentPlanner').item.json.output.toJsonString() }}\n\n# 🧠 Instructions\nGenerate a complete, well-structured Markdown document.\nInclude all sections in order using their **sectionId**.\nEach section should include:\n- Heading in the format: `# {sectionId}. {sectionTitle}` \n- Section must not exceed {{Math.floor($('On form submission').item.json['Word Count'] / $('GetSections').item.json.sections.length)}} words\n\n",
"passthroughBinaryImages": false
},
"promptType": "define"
},
"typeVersion": 2.2
},
{
"id": "338f10a7-01f3-454e-bd82-4b59b2be54f3",
"name": "内容规划器",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
352,
-192
],
"parameters": {
"text": "={{ $('On form submission').item.json.Title }}",
"options": {
"systemMessage": "# ✍️ Prompt: Blog Outline Generator Agent\n\n## **Role**\nYou are a **professional content planner and blog strategist**.\n\n## **Goal**\nAnalyze the user’s topic or idea, then **generate a complete blog post outline** with clear structure, logical flow, and engaging section titles.\n\n## **Instructions**\n1. Read the user’s description or topic carefully. \n2. Identify the **main goal** of the article (inform, persuade, educate, or inspire). \n3. Create a **structured outline** with key sections and short explanations for each. \n4. Include **subheadings** (H2, H3) and **logical progression** from introduction to conclusion. \n5. Focus on **clarity, SEO-friendly phrasing, and reader engagement**. \n6. Do **not** write the full article — only the **outline and section summaries**."
},
"promptType": "define",
"hasOutputParser": true
},
"typeVersion": 2.2
},
{
"id": "67ecec8d-12d3-4923-bbde-ca710d2465d4",
"name": "表单提交时",
"type": "n8n-nodes-base.formTrigger",
"position": [
-96,
-336
],
"webhookId": "9525bb2f-3046-43ee-872a-9f5ee8c32248",
"parameters": {
"options": {},
"formTitle": "Generate Long Content",
"formFields": {
"values": [
{
"fieldLabel": "Title",
"placeholder": "title or short description",
"requiredField": true
},
{
"fieldType": "number",
"fieldLabel": "Word Count",
"requiredField": true
}
]
},
"formDescription": "Help generate long document from a title"
},
"typeVersion": 2.3
},
{
"id": "6e4ebbe6-c39d-4b9a-832a-69824b207f06",
"name": "表单",
"type": "n8n-nodes-base.form",
"position": [
416,
-480
],
"webhookId": "bc18f06b-e004-4e39-b7f0-eed867ec524a",
"parameters": {
"options": {
"customCss": ":root {\n\t--font-family: 'Open Sans', sans-serif;\n\t--font-weight-normal: 400;\n\t--font-weight-bold: 600;\n\n\t/* Typography — larger & more readable */\n\t--font-size-body: 16px;\n\t--font-size-label: 15px;\n\t--font-size-test-notice: 13px;\n\t--font-size-input: 15px;\n\t--font-size-header: 24px;\n\t--font-size-paragraph: 16px;\n\t--font-size-link: 14px;\n\t--font-size-error: 13px;\n\t--font-size-html-h1: 34px;\n\t--font-size-html-h2: 26px;\n\t--font-size-html-h3: 20px;\n\t--font-size-html-h4: 18px;\n\t--font-size-html-h5: 16px;\n\t--font-size-html-h6: 14px;\n\t--font-size-subheader: 16px;\n\n\t/* Colors — higher contrast & friendlier accents */\n\t--color-background: #f7f8fc;\n\t--color-test-notice-text: #b45309; /* deeper amber for contrast */\n\t--color-test-notice-bg: #fff7ed;\n\t--color-test-notice-border: #fed7aa;\n\n\t--color-card-bg: #ffffff;\n\t--color-card-border: #e5e7eb;\n\t--color-card-shadow: rgba(31, 41, 55, 0.06);\n\n\t--color-link: #2563eb; /* accessible blue for standard links */\n\t--color-header: #1f2937; /* slate-800 */\n\t--color-label: #374151; /* slate-700 */\n\t--color-input-border: #cbd5e1; /* slate-300 */\n\t--color-input-text: #111827; /* slate-900 */\n\t--color-focus-border: #7c3aed; /* vivid violet focus ring */\n\t--color-submit-btn-bg: #ff6d5a; /* brand coral kept */\n\t--color-submit-btn-text: #ffffff;\n\t--color-error: #dc2626; /* red-600 */\n\t--color-required: #ef4444; /* red-500 */\n\t--color-clear-button-bg: #6b7280; /* slate-500 */\n\t--color-html-text: #374151; /* slate-700 */\n\t--color-html-link: #ff6d5a; /* brand accent for content links */\n\t--color-header-subtext: #6b7280; /* slate-500 */\n\n\t/* Border Radii — slightly softer */\n\t--border-radius-card: 10px;\n\t--border-radius-input: 8px;\n\t--border-radius-clear-btn: 50%;\n\t--card-border-radius: 10px;\n\n\t/* Spacing — room to breathe */\n\t--padding-container-top: 32px;\n\t--padding-card: 28px;\n\t--padding-test-notice-vertical: 12px;\n\t--padding-test-notice-horizontal: 24px;\n\t--margin-bottom-card: 20px;\n\t--padding-form-input: 14px;\n\t--card-padding: 28px;\n\t--card-margin-bottom: 20px;\n\n\t/* Dimensions — wider layout */\n\t--container-width: 720px;\n\t--submit-btn-height: 52px;\n\t--checkbox-size: 20px;\n\n\t/* Others — subtle shadow & clearer placeholders */\n\t--box-shadow-card: 0px 6px 20px 0px var(--color-card-shadow);\n\t--opacity-placeholder: 0.6;\n}\n"
},
"operation": "completion",
"completionTitle": "Generating your document… Please wait a few minutes, then access the link below",
"completionMessage": "=https://docs.google.com/document/d/{{ $('CreateDocument').item.json.id }}"
},
"typeVersion": 2.3
},
{
"id": "f3db576d-70cb-46ce-a6ec-f291c486807e",
"name": "便签4",
"type": "n8n-nodes-base.stickyNote",
"position": [
-992,
-592
],
"parameters": {
"width": 848,
"height": 992,
"content": "# 🧭 概述"
},
"typeVersion": 1
}
],
"active": true,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "aac61755-8db8-4852-b401-a5cb8e5c21ef",
"connections": {
"gpt-5": {
"ai_languageModel": [
[
{
"node": "ContentWriter",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Split Out": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"gpt-5-mini": {
"ai_languageModel": [
[
{
"node": "ContentPlanner",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"GetSections": {
"main": [
[
{
"node": "Split Out",
"type": "main",
"index": 0
}
]
]
},
"ContentWriter": {
"main": [
[
{
"node": "UpdateDocument",
"type": "main",
"index": 0
}
]
]
},
"Simple Memory": {
"ai_memory": [
[
{
"node": "ContentWriter",
"type": "ai_memory",
"index": 0
}
]
]
},
"ContentPlanner": {
"main": [
[
{
"node": "GetSections",
"type": "main",
"index": 0
}
]
]
},
"CreateDocument": {
"main": [
[
{
"node": "Form",
"type": "main",
"index": 0
},
{
"node": "ContentPlanner",
"type": "main",
"index": 0
}
]
]
},
"UpdateDocument": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"Loop Over Items": {
"main": [
[],
[
{
"node": "ContentWriter",
"type": "main",
"index": 0
}
]
]
},
"On form submission": {
"main": [
[
{
"node": "CreateDocument",
"type": "main",
"index": 0
}
]
]
},
"Structured Output Parser": {
"ai_outputParser": [
[
{
"node": "ContentPlanner",
"type": "ai_outputParser",
"index": 0
}
]
]
}
}
}常见问题
如何使用这个工作流？
复制上方的 JSON 配置代码，在您的 n8n 实例中创建新工作流并选择「从 JSON 导入」，粘贴配置后根据需要修改凭证设置即可。
这个工作流适合什么场景？
中级 - 内容创作, 多模态 AI
需要付费吗？
本工作流完全免费，您可以直接导入使用。但请注意，工作流中使用的第三方服务（如 OpenAI API）可能需要您自行付费。
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工作流信息
难度等级
中级
节点数量14
分类2
节点类型11
作者
Nghia Nguyen
@nghiaaidevI am Nguyen Trung Nghia, a Software Engineer passionate about AI Automation. I build intelligent automation systems that help businesses reduce costs, increase productivity, and scale faster with the power of AI technology.
外部链接
在 n8n.io 查看 →
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