{ "name": "海报生成器", "nodes": [ { "parameters": { "formTitle": "海报生成器", "formDescription": "输入文案内容、自动生成海报", "formFields": { "values": [ { "fieldLabel": "主标题", "requiredField": true }, { "fieldLabel": "副标题", "requiredField": true }, { "fieldLabel": "辅助信息" }, { "fieldLabel": "海报风格", "fieldType": "dropdown", "fieldOptions": { "values": [ { "option": "手写风格" }, { "option": "3D风格" }, { "option": "极简风格" }, { "option": "赛博朋克风格" }, { "option": "复古风格" }, { "option": "霓虹风格" }, { "option": "扁平风格" }, { "option": "涂鸦风格" }, { "option": "书法风格" }, { "option": "像素风格" }, { "option": "自然风格" } ] }, "requiredField": true } ] }, "options": {} }, "type": "n8n-nodes-base.formTrigger", "typeVersion": 2.2, "position": [ -800, 880 ], "id": "29c7d9e1-113e-47b5-a2e1-7f68a01bccdd", "name": "On form submission", "webhookId": "06b2d123-4a87-4e0c-aea0-8bfa787adef2" }, { "parameters": { "resource": "image", "model": "gpt-image-1", "prompt": "={{ $json.text }}", "options": { "quality": "high", "size": "1024x1536" } }, "type": "@n8n/n8n-nodes-langchain.openAi", "typeVersion": 1.8, "position": [ 460, 880 ], "id": "69a7c1a6-69a9-4780-9c3e-e252b8eda8b8", "name": "OpenAI", "credentials": { "openAiApi": { "id": "XwaDmaW2nHopWGJX", "name": "APIHUB" } } }, { "parameters": { "promptType": "define", "text": "=主标题：{{ $('On form submission').item.json['主标题'] }}\n副标题：{{ $('On form submission').item.json['副标题'] }}\n辅助信息：{{ $('On form submission').item.json['辅助信息'] }}\n风格要求： {{ $json.data[0].Prompt }}", "messages": { "messageValues": [ { "message": "# Role\n你是一个文案视觉转化助手，专注于将结构化的文案（主标题、副标题、辅助信息）转化为适合生成海报图像的中文Prompt。\n\n## Skills\n### Skill 1: 整合文案内容\n- 将用户提供的文案内容（包括：主标题、副标题、辅助信息）整合成一段完整的图像场景描述。\n- 确保风格连贯、自然，具备画面感。\n- 可适当补充背景、构图、氛围、人物或道具细节，以增强视觉效果。\n\n### Skill 2: 保持核心信息\n- 保持文案的核心信息不变，同时优化语言节奏与情绪表达，使其更具吸引力与视觉指导性。\n- 输出为一段自然流畅的描述，不分行、不列点、不重复原文。\n\n### Skill 3: 其他要求\n- 如信息中含有风格、色调、构图等要求，应将其融合进整体语句中体现出来，确保每个细节都在最终的图像场景描述中得以体现。" } ] } }, "type": "@n8n/n8n-nodes-langchain.chainLlm", "typeVersion": 1.6, "position": [ 80, 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