使用Imagen 3.0生成具有一致视觉风格的徽标和图像
高级
这是一个Design, AI, Marketing领域的自动化工作流，包含 21 个节点。主要使用 If, Set, Form, Html, Gmail 等节点，结合人工智能技术实现智能自动化。 使用Imagen 3.0生成具有一致视觉风格的徽标和图像
前置要求
- •Google 账号和 Gmail API 凭证
- •可能需要目标 API 的认证凭证
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
{
"meta": {
"instanceId": "408f9fb9940c3cb18ffdef0e0150fe342d6e655c3a9fac21f0f644e8bedabcd9",
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "ed993205-977a-43cd-8d0b-4faef216d766",
"name": "分离输出",
"type": "n8n-nodes-base.splitOut",
"position": [
360,
-120
],
"parameters": {
"options": {},
"fieldToSplitOut": "predictions"
},
"typeVersion": 1
},
{
"id": "67f2bb16-ee38-4bc8-9cc7-50a44614cc3b",
"name": "Imagen 3.0",
"type": "n8n-nodes-base.httpRequest",
"position": [
140,
-120
],
"parameters": {
"url": "https://generativelanguage.googleapis.com/v1beta/models/imagen-3.0-generate-002:predict",
"method": "POST",
"options": {},
"jsonBody": "={{\n{\n \"instances\": [\n {\n \"prompt\": [\n $json.candidates[0].content.parts[0].text,\n `Generate the following image: ${$('Variables').first().json.targetPrompt}`\n ].join(' ')\n }\n ],\n \"parameters\": {\n \"sampleCount\": $('Variables').first().json.numberSamples.toNumber()\n }\n}\n}}",
"sendBody": true,
"specifyBody": "json",
"authentication": "predefinedCredentialType",
"nodeCredentialType": "googlePalmApi"
},
"credentials": {
"googlePalmApi": {
"id": "dSxo6ns5wn658r8N",
"name": "Google Gemini(PaLM) Api account"
}
},
"typeVersion": 4.2
},
{
"id": "b1730c97-8c5c-48a5-90cf-7940f6c9e2d0",
"name": "变量",
"type": "n8n-nodes-base.set",
"position": [
-940,
-120
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "7616f991-76d0-4dd0-9385-f08ed14e8dfa",
"name": "sourceStyleUrl",
"type": "string",
"value": "={{ $json.SourceImage }}"
},
{
"id": "126cb06e-4d69-4163-ba76-c694103bf5bb",
"name": "targetPrompt",
"type": "string",
"value": "={{ $json.TargetPrompt }}"
},
{
"id": "055d247b-586d-4bb8-a319-262c241df48c",
"name": "numberSamples",
"type": "string",
"value": "={{\n(function(numSamples) {\n if (!numSamples) return 1;\n if (numSamples < 0) return 1;\n if (numSamples > 4) return 4;\n return numSamples;\n}($json['Number of Images']))\n}}"
},
{
"id": "77a27e0e-24f4-4358-8cdc-84552be6c0b5",
"name": "email",
"type": "string",
"value": "={{ $json['Your Email (Optional)'] }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "5c26062c-74cf-4140-8dcb-8688c8daec67",
"name": "下载图片",
"type": "n8n-nodes-base.httpRequest",
"position": [
-620,
-120
],
"parameters": {
"url": "={{ $json.sourceStyleUrl }}",
"options": {}
},
"typeVersion": 4.2
},
{
"id": "20744adb-cdf5-4558-b6e6-4206d7c1f356",
"name": "表单提交时",
"type": "n8n-nodes-base.formTrigger",
"position": [
-1400,
-120
],
"webhookId": "51f74db1-ffb4-491f-83b0-a44a7124be12",
"parameters": {
"options": {
"path": "style-copy-with-imagen3",
"ignoreBots": true,
"buttonLabel": "Generate!",
"appendAttribution": true
},
"formTitle": "Style Copy with Imagen 3.0",
"formFields": {
"values": [
{
"fieldLabel": "SourceImage",
"placeholder": "The image URL to copy the style from",
"requiredField": true
},
{
"fieldLabel": "TargetPrompt",
"placeholder": "The new image to generate",
"requiredField": true
},
{
"fieldType": "number",
"fieldLabel": "Number of Images",
"placeholder": "Default 1. Max. 4 images"
},
{
"fieldType": "email",
"fieldLabel": "Your Email (Optional)",
"placeholder": "The results will be sent to this email"
}
]
},
"responseMode": "lastNode",
"formDescription": "Use this form to generate an image using another image as a style reference."
},
"typeVersion": 2.2
},
{
"id": "917db247-1be3-4814-a96d-145957aa5db3",
"name": "表单验证",
"type": "n8n-nodes-base.if",
"position": [
-1180,
-120
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "1b440b81-06c9-4133-bfd2-8ec07c7c3734",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ $json.SourceImage.isUrl() }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "65a8b617-318c-429a-b37e-45ead00dbb7e",
"name": "重试表单",
"type": "n8n-nodes-base.form",
"position": [
-940,
60
],
"webhookId": "0b4c88ed-d28b-4df4-abe6-4579e17c672d",
"parameters": {
"options": {
"formTitle": "Retry Submission",
"buttonLabel": "Generate!",
"formDescription": "Please enter a URL for the source image."
},
"formFields": {
"values": [
{
"fieldLabel": "SourceImage",
"placeholder": "The image URL to copy the style from",
"requiredField": true
},
{
"fieldLabel": "TargetPrompt",
"placeholder": "The new image to generate",
"requiredField": true
},
{
"fieldType": "number",
"fieldLabel": "Number of Images",
"placeholder": "Max. 4 images"
},
{
"fieldLabel": "Your Email (Optional)",
"placeholder": "The results will be sent to this email"
}
]
},
"limitWaitTime": true
},
"typeVersion": 1
},
{
"id": "8a0e8dae-9f6f-488e-9977-fd89e885f30e",
"name": "上传到 Cloudinary",
"type": "n8n-nodes-base.httpRequest",
"position": [
880,
-120
],
"parameters": {
"url": "https://api.cloudinary.com/v1_1/daglih2g8/image/upload",
"method": "POST",
"options": {},
"sendBody": true,
"sendQuery": true,
"contentType": "multipart-form-data",
"authentication": "genericCredentialType",
"bodyParameters": {
"parameters": [
{
"name": "file",
"parameterType": "formBinaryData",
"inputDataFieldName": "data"
}
]
},
"genericAuthType": "httpQueryAuth",
"queryParameters": {
"parameters": [
{
"name": "upload_preset",
"value": "n8n-workflows-preset"
}
]
}
},
"credentials": {
"httpQueryAuth": {
"id": "sT9jeKzZiLJ3bVPz",
"name": "Cloudinary API"
}
},
"typeVersion": 4.2
},
{
"id": "525725ea-effe-410b-8f39-ad01ae755d1a",
"name": "便签",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1480,
-340
],
"parameters": {
"color": 7,
"width": 760,
"height": 640,
"content": "## 1. 请求源样式和目标图像"
},
"typeVersion": 1
},
{
"id": "ba9d4bdc-b695-4acf-9593-2ce979053744",
"name": "便签1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-700,
-340
],
"parameters": {
"color": 7,
"width": 720,
"height": 440,
"content": "## 2. 使用Gemini 2.0进行视觉样式描述"
},
"typeVersion": 1
},
{
"id": "455f7956-6e39-4d84-af7e-d5908d4e5307",
"name": "便签2",
"type": "n8n-nodes-base.stickyNote",
"position": [
40,
-340
],
"parameters": {
"color": 7,
"width": 720,
"height": 440,
"content": "## 3. 使用Imagen 3.0生成图像"
},
"typeVersion": 1
},
{
"id": "0c1d5a7f-9102-4558-a830-ed558f72c086",
"name": "便签3",
"type": "n8n-nodes-base.stickyNote",
"position": [
780,
-340
],
"parameters": {
"color": 7,
"width": 980,
"height": 600,
"content": "## 4. 将结果渲染到HTML页面"
},
"typeVersion": 1
},
{
"id": "ccc1ff65-0416-4dae-9557-ba2f98c5ac80",
"name": "转换为文件1",
"type": "n8n-nodes-base.convertToFile",
"position": [
1320,
60
],
"parameters": {
"options": {
"encoding": "utf8",
"fileName": "={{ $('Variables').item.json.targetPrompt.toSnakeCase().urlEncode() }}.html"
},
"operation": "toText",
"sourceProperty": "html"
},
"typeVersion": 1.1
},
{
"id": "0252d373-3678-4851-819d-d36efb40dfb2",
"name": "生成HTML",
"type": "n8n-nodes-base.html",
"position": [
1080,
-120
],
"parameters": {
"html": "<h1>\n {{ $('Variables').item.json.targetPrompt.toSentenceCase() }}\n</h1>\n<div class=\"gallery\">\n{{\n$input.all()\n .chunk(2)\n .map(row =>\n `<div class=\"gallery-row\">\n ${row.map(item =>\n `<a href=\"${item.json.url}\" target=\"_blank\">\n <img src=\"${item.json.url}\" width=\"320px\" height=\"240px\" />\n </a>`).join('')}\n </div>`\n ).join('')\n}}\n</div>\n<div class=\"fineprint\">\n Generated by Imagen 3.0 (imagen-3.0-generate-002) @ {{ $now.format('d MMM yyyy') }}.\n</div>\n<div class=\"fineprint\">\n <h3>Style Prompt</h3>\n <div style=\"display:flex;gap: 10px;\">\n <div>\n <img\n src=\"{{ $('Download Image').item.json.sourceStyleUrl }}\"\n width=\"100px\"\n height=\"auto\"\n />\n </div>\n <div>\n {{ $('Gemini 2.0').first().json.candidates[0].content.parts[0].text }}\n </div>\n </div>\n</div>\n<style>\n body { padding: 32px 64px; font-family: sans-serif; background-color: #fffaf2; }\n h1 { max-width: 640px; }\n .gallery { display: inline-block; padding: 5px; border: 1px solid #ccc; background-color: white; margin-bottom: 32px;}\n .gallery-row { display: flex; }\n .gallery-row img { padding: 5px; background-color: white }\n .gallery-row img:hover { background-color: orange; } \n .fineprint { font-size: 0.7rem; max-width: 480px; text-align: justify;}\n .fineprint h3 { font-size: 0.8rem; }\n</style>"
},
"executeOnce": true,
"typeVersion": 1.2
},
{
"id": "b712bd74-8615-4080-aad2-dc0b0df0b07e",
"name": "转换为文件",
"type": "n8n-nodes-base.convertToFile",
"position": [
580,
-120
],
"parameters": {
"options": {
"fileName": "={{ $execution.id }}_{{ $itemIndex }}.{{ $json.mimeType.split('/')[1] }}",
"mimeType": "={{ $json.mimeType }}"
},
"operation": "toBinary",
"sourceProperty": "bytesBase64Encoded"
},
"typeVersion": 1.1
},
{
"id": "ee3e168a-038c-4524-93fc-ced5d4956fa1",
"name": "表单结束",
"type": "n8n-nodes-base.form",
"position": [
1540,
60
],
"webhookId": "c4bacbac-0347-4c35-9333-3704630b45ef",
"parameters": {
"options": {
"formTitle": "Generation Complete"
},
"operation": "completion",
"respondWith": "returnBinary",
"completionTitle": "Image Generation Successful",
"completionMessage": "Download has started.\nOpen the HTML file to view results."
},
"executeOnce": true,
"typeVersion": 1
},
{
"id": "c4b1648a-c7d9-46cd-af28-527f9b169ab6",
"name": "有电子邮件吗？",
"type": "n8n-nodes-base.if",
"position": [
1320,
-120
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "07d04523-f81a-4efa-b46a-cb640bcc608a",
"operator": {
"type": "string",
"operation": "notEmpty",
"singleValue": true
},
"leftValue": "={{ $('Variables').item.json.email }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "bc0a8188-27ff-4834-9c7a-8760531f4252",
"name": "发送结果到电子邮件",
"type": "n8n-nodes-base.gmail",
"position": [
1540,
-120
],
"webhookId": "de5684ed-6aa4-4c29-aac3-62e21c54c6f0",
"parameters": {
"sendTo": "={{ $('Variables').first().json.email }}",
"message": "={{ $json.html }}",
"options": {},
"subject": "=#{{$execution.id}} - Image Generated Successfully!"
},
"credentials": {
"gmailOAuth2": {
"id": "Sf5Gfl9NiFTNXFWb",
"name": "Gmail account"
}
},
"typeVersion": 2.1
},
{
"id": "f18ab53b-d8e2-4625-a8f6-8b97959a15d1",
"name": "图像转Base64",
"type": "n8n-nodes-base.extractFromFile",
"position": [
-400,
-120
],
"parameters": {
"options": {},
"operation": "binaryToPropery"
},
"typeVersion": 1
},
{
"id": "ac6c1353-035c-4045-aed9-46285b757b98",
"name": "Gemini 2.0",
"type": "n8n-nodes-base.httpRequest",
"position": [
-180,
-120
],
"parameters": {
"url": "https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash:generateContent",
"method": "POST",
"options": {},
"jsonBody": "={\n \"contents\": [{\n \"parts\": [\n {\n \"inline_data\": {\n \"mime_type\":\"{{ $('Download Image').item.binary.data.mimeType }}\",\n \"data\": \"{{ $json.data }}\"\n }\n },\n {\"text\": \"Describe the visual style of this image. Do not include any character names or IP in the description. Include names of any famous artists associated with this style if known.\"}\n ]\n }]\n }",
"sendBody": true,
"specifyBody": "json",
"authentication": "predefinedCredentialType",
"nodeCredentialType": "googlePalmApi"
},
"credentials": {
"googlePalmApi": {
"id": "dSxo6ns5wn658r8N",
"name": "Google Gemini(PaLM) Api account"
}
},
"typeVersion": 4.2
},
{
"id": "fae8c5f0-9d6f-4e45-8f7a-82f361bf9b1b",
"name": "便签4",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1920,
-840
],
"parameters": {
"width": 400,
"height": 1140,
"content": "## 试试看！"
},
"typeVersion": 1
}
],
"pinData": {},
"connections": {
"Split Out": {
"main": [
[
{
"node": "Convert to File",
"type": "main",
"index": 0
}
]
]
},
"Variables": {
"main": [
[
{
"node": "Download Image",
"type": "main",
"index": 0
}
]
]
},
"Gemini 2.0": {
"main": [
[
{
"node": "Imagen 3.0",
"type": "main",
"index": 0
}
]
]
},
"Has Email?": {
"main": [
[
{
"node": "Send Results to Email",
"type": "main",
"index": 0
}
]
]
},
"Imagen 3.0": {
"main": [
[
{
"node": "Split Out",
"type": "main",
"index": 0
}
]
]
},
"Retry Form": {
"main": [
[
{
"node": "Form Validation",
"type": "main",
"index": 0
}
]
]
},
"Generate HTML": {
"main": [
[
{
"node": "Convert to File1",
"type": "main",
"index": 0
},
{
"node": "Has Email?",
"type": "main",
"index": 0
}
]
]
},
"Download Image": {
"main": [
[
{
"node": "Image to Base64",
"type": "main",
"index": 0
}
]
]
},
"Convert to File": {
"main": [
[
{
"node": "Upload to Cloudinary",
"type": "main",
"index": 0
}
]
]
},
"Form Validation": {
"main": [
[
{
"node": "Variables",
"type": "main",
"index": 0
}
],
[
{
"node": "Retry Form",
"type": "main",
"index": 0
}
]
]
},
"Image to Base64": {
"main": [
[
{
"node": "Gemini 2.0",
"type": "main",
"index": 0
}
]
]
},
"Convert to File1": {
"main": [
[
{
"node": "Form Ending",
"type": "main",
"index": 0
}
]
]
},
"On form submission": {
"main": [
[
{
"node": "Form Validation",
"type": "main",
"index": 0
}
]
]
},
"Upload to Cloudinary": {
"main": [
[
{
"node": "Generate HTML",
"type": "main",
"index": 0
}
]
]
},
"Send Results to Email": {
"main": [
[]
]
}
}
}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？
高级 - 设计, 人工智能, 营销
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
高级
节点数量21
分类3
节点类型11
作者
Jimleuk
@jimleukFreelance consultant based in the UK specialising in AI-powered automations. I work with select clients tackling their most challenging projects. For business enquiries, send me an email at hello@jimle.uk LinkedIn: https://www.linkedin.com/in/jimleuk/ X/Twitter: https://x.com/jimle_uk
外部链接
在 n8n.io 查看 →
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