带 SEO 优化的自动博客生成器

• •可能需要目标 API 的认证凭证
• •OpenAI API Key

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  "name": "带 SEO 优化的自动博客生成器",
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      "name": "获取 Leonardo 图片状态",
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      "parameters": {
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      "parameters": {
        "url": "={{ $json.generations_by_pk.generated_images[0].url }}",
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      "id": "c6c99530-e681-4fb1-9b20-33b00661a3ca",
      "name": "为图片添加 ALT 标签",
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        "url": "=https://public-api.wordpress.com/wp/v2/sites/YOURSITE/media/{{ $json.id }}",
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      "name": "Google 新闻 RSS",
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      "parameters": {
        "url": "https://news.google.com/rss/search?q=startups%20OR%20%22venture%20capital%22%20OR%20%22AI%20startup%22%20OR%20technology&hl=en-AU&gl=AU&ceid=AU:en",
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      "name": "GDELT 文档 API",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
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      ],
      "parameters": {
        "url": "https://api.gdeltproject.org/api/v2/doc/doc?query=startups%20OR%20%22venture%20capital%22%20OR%20%22AI%20startup%22%20OR%20technology&mode=artlist&maxrecords=50&format=json&sort=DateDesc",
        "options": {},
        "sendQuery": true,
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    },
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      "name": "语气与格式修订 – GPT",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
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      ],
      "parameters": {
        "url": "https://api.openai.com/v1/chat/completions",
        "method": "POST",
        "options": {},
        "jsonBody": "={{ $json }}",
        "sendBody": true,
        "specifyBody": "=json",
        "authentication": "predefinedCredentialType",
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        "openAiApi": {
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      "typeVersion": 4.2,
      "alwaysOutputData": true
    },
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      "id": "22d0a951-9259-46e9-ba85-406778059ab0",
      "name": "内部去重",
      "type": "n8n-nodes-base.code",
      "position": [
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        -1024
      ],
      "parameters": {
        "jsCode": "// Deduplicate items by canonicalized URL (strip UTM + hash).\nconst seen = new Set();\nconst out = [];\n\nfor (const item of $input.all()) {\n  let link = (item.json.link || item.json.url || \"\").toLowerCase();\n  if (!link) continue;\n\n  link = link\n    .replace(/(\\?|&)utm_[^=]+=[^&]*/g, \"\")  // drop UTM params\n    .replace(/#.*$/, \"\");                    // drop hash\n\n  if (!seen.has(link)) {\n    seen.add(link);\n    out.push({ json: { ...item.json, link } });\n  }\n}\n\nreturn out;\n"
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    },
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      "id": "7d86ccf5-fded-462f-b7c6-e61b257509b8",
      "name": "分类头条",
      "type": "n8n-nodes-base.code",
      "position": [
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      ],
      "parameters": {
        "jsCode": "const heads = $json.headlines || [];\nconst text  = heads.map(h => `${h.title} ${h.link}`).join(\" \").toLowerCase();\n\nlet topic = 'startups-tech';\nif (/(security|breach|ransomware|zero[-\\s]?day|cisa|patch|exploit|credential)/i.test(text)) topic = 'cybersecurity';\nelse if (/(ai|artificial intelligence|anthropic|openai|chatgpt|llm|genai|model|deep learning)/i.test(text)) topic = 'ai-ml';\nelse if (/(economy|inflation|interest rate|fed|recession|ipo|earnings|acquisition|merger|valuation|venture capital|funding|series)/i.test(text)) topic = 'business';\nelse if (/(cloud|aws|azure|gcp|kubernetes|devops|sdk|api|framework|github|vscode)/i.test(text)) topic = 'developer-tools';\nelse if (/(health|who|cdc|sleep|diet|exercise)/i.test(text)) topic = 'health';\n\nlet angle = 'news explainer';\nif (topic === 'business' && /(ipo|earnings)/i.test(text)) angle = 'numbers breakdown';\nif (topic === 'ai-ml' && /(model|release|policy)/i.test(text)) angle = 'capability analysis';\nif (topic === 'cybersecurity' && /(breach|ransomware|zero[-\\s]?day)/i.test(text)) angle = 'incident & mitigation';\n\nconst TRUST = {\n  'ai-ml': [\"arxiv.org\",\"openai.com\",\"anthropic.com\",\"deepmind.google\",\"huggingface.co\",\"nips.cc\",\"icml.cc\",\"paperswithcode.com\",\"nist.gov\",\"reuters.com\",\"apnews.com\",\"bbc.com\"],\n  'cybersecurity': [\"cisa.gov\",\"nist.gov\",\"krebsonsecurity.com\",\"bleepingcomputer.com\",\"cloudflare.com\",\"reuters.com\",\"bbc.com\",\"thehackernews.com\"],\n  'business': [\"reuters.com\",\"apnews.com\",\"ft.com\",\"bloomberg.com\",\"oecd.org\",\"imf.org\",\"worldbank.org\",\"sec.gov\"],\n  'developer-tools': [\"github.blog\",\"aws.amazon.com\",\"azure.microsoft.com\",\"cloud.google.com\",\"kubernetes.io\",\"vercel.com\",\"react.dev\",\"golang.org\",\"python.org\",\"docs.docker.com\"],\n  'health': [\"cdc.gov\",\"who.int\",\"nhs.uk\",\"mayoclinic.org\",\"pubmed.ncbi.nlm.nih.gov\",\"heart.org\",\"sleepfoundation.org\",\"reuters.com\"],\n  'startups-tech': [\"reuters.com\",\"apnews.com\",\"techcrunch.com\",\"theverge.com\",\"wired.com\",\"bbc.com\"]\n};\n\nreturn [{\n  json: {\n    ...$json,                             // keep headlines & news_bullets\n    topic,\n    angle,\n    trustedDomains: TRUST[topic]\n  }\n}];\n"
      },
      "typeVersion": 2
    },
    {
      "id": "0397edc3-7806-44e5-95de-bb00bdcd2643",
      "name": "构建语气请求",
      "type": "n8n-nodes-base.code",
      "position": [
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        -416
      ],
      "parameters": {
        "jsCode": "const style = $node[\"Writing Style\"].json.style_guide || \"Human, practical, medium–low formality.\";\nconst dos = ($node[\"Writing Style\"].json.dos || []).join(\"\\n\");\nconst donts = ($node[\"Writing Style\"].json.donts || []).join(\"\\n\");\n\nconst headlinesArr = $node[\"Top Headlines\"].json.headlines || [];\nconst headlineList = headlinesArr.map(h => `• ${h.title} — ${h.link}`).join(\"\\n\");\n\nconst article = $node[\"Build GPT body\"].json_output || $node[\"Build GPT body\"].json || $json;\n\nreturn [{\n  json: {\n    model: \"gpt-4o-mini\",\n    temperature: 0.4,\n    response_format: { type: \"json_object\" },\n    messages: [\n      {\n        role: \"system\",\n        content:\n          \"You are an editor. Improve clarity/flow only. Do NOT change topic, claims, facts, links, or structure. \" +\n          \"Preserve HTML tags (<p>, <h2>, <ul>, <ol>, <li>, <strong>, <em>, <a>). \" +\n          \"Return a JSON object with keys: title, content.\"\n      },\n      {\n        role: \"user\",\n        content:\n          \"STYLE GUIDE:\\n\" + style +\n          \"\\n\\nDO:\\n\" + dos +\n          \"\\n\\nDON'T:\\n\" + donts +\n          \"\\n\\nHEADLINES (for alignment, do not change topic):\\n\" + headlineList +\n          \"\\n\\nARTICLE JSON TO POLISH (keep same keys & structure):\\n\" + JSON.stringify(article)\n      }\n    ]\n  }\n}];\n"
      },
      "typeVersion": 2
    },
    {
      "id": "4492c1bc-bc74-4fbf-83da-1d92e76f3354",
      "name": "字数保护",
      "type": "n8n-nodes-base.code",
      "position": [
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      ],
      "parameters": {
        "jsCode": "// Word Count Guard (after Tone & Format)\nfunction strip(html) { return (html || '').replace(/<[^>]+>/g, ' '); }\nconst text = strip($json.content || '');\nconst words = text.trim().split(/\\s+/).filter(Boolean).length;\n\nconst MIN = 1600;\nif (words >= MIN) {\n  return [{ json: { ...$json, word_count: words } }];\n}\n\n// too short → ask GPT to expand\nreturn [{\n  json: {\n    draft: $json,\n    word_count: words,\n    need_expand: true\n  }\n}];\n"
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    },
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        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "loose"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "1efd6c6f-5e54-4cc8-9bdb-a9e21ed735b5",
              "operator": {
                "type": "boolean",
                "operation": "true",
                "singleValue": true
              },
              "leftValue": "=={{ $json.need_expand }}",
              "rightValue": true
            }
          ]
        },
        "looseTypeValidation": true
      },
      "typeVersion": 2.2
    },
    {
      "id": "de8bd899-92e4-4748-bbea-804b040aacf8",
      "name": "扩展草稿",
      "type": "@n8n/n8n-nodes-langchain.openAi",
      "position": [
        1408,
        -512
      ],
      "parameters": {
        "modelId": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4.1",
          "cachedResultName": "GPT-4.1"
        },
        "options": {},
        "messages": {
          "values": [
            {
              "role": "system",
              "content": "=Expand this article to exceed 1,800 words by deepening “Why it matters”,\n“Winners/risks”, and a more detailed “Action plan”. Keep the same voice\nand existing links intact.\n\n{{ JSON.stringify($json.draft || $json) }}\n\n"
            }
          ]
        },
        "simplify": false,
        "jsonOutput": true
      },
      "credentials": {
        "openAiApi": {
          "id": "N0prwl5xJER42aO1",
          "name": "OpenAi account"
        }
      },
      "typeVersion": 1.8
    },
    {
      "id": "fa92a539-e8a8-4dd7-b723-f4b40f4ab291",
      "name": "代码",
      "type": "n8n-nodes-base.code",
      "position": [
        2368,
        -640
      ],
      "parameters": {
        "jsCode": "// Node: Keep Generation Id\nconst id =\n  $json.sdGenerationJob?.generationId ||\n  $json.generationId ||\n  $json.generations_by_pk?.id ||\n  $json.id;\n\nif (!id) throw new Error('No generationId found in previous node output');\n\nreturn [{ json: { generationId: id } }];\n"
      },
      "typeVersion": 2
    },
    {
      "id": "492255f9-f46f-4cec-9619-8d3353342526",
      "name": "写作风格",
      "type": "n8n-nodes-base.code",
      "position": [
        1392,
        -1024
      ],
      "parameters": {
        "jsCode": "const base = $input.first().json || {};\nconst style_guide = [\n  \"Use first person a few times (“I”), friendly and practical.\",\n  \"Medium–low formality. No fluff or buzzwords.\",\n  \"Start with a concrete hook tied to one headline.\",\n  \"Explain what happened, why it matters, who it affects, and what to do next.\",\n  \"Embed 4–8 inline links to reputable external sources using descriptive anchor text.\",\n  \"Name the source in the sentence when you cite a fact (e.g., Reuters, WHO, CISA).\",\n  \"Clean HTML only: <p>, <h2>, <ul>, <ol>, <li>, <strong>, <em>, <a>.\",\n  \"Short paragraphs (2–4 sentences).\",\n  \"Include sections: What happened; Why it matters; Winners/losers or risks; Actionable plan; FAQ.\"\n].join(\"\\n\");\n\nconst do_list = [\n  \"Pick one headline as the lead and summarize it in 2–3 sentences with a link.\",\n  \"Pull 1–2 supporting links from trusted domains.\",\n  \"Add a 4–step action plan tailored to operators/founders.\",\n  \"End with a grounded takeaway.\"\n];\n\nconst dont_list = [\n  \"Don’t speculate without saying it’s an opinion.\",\n  \"Don’t add links to random low-quality blogs.\",\n  \"Don’t use clickbait.\"\n];\n\nreturn [{\n  json: {\n    ...base,\n    style_guide,\n    dos: do_list,\n    donts: dont_list\n  }\n}];\n\n"
      },
      "typeVersion": 2
    },
    {
      "id": "e1ac258d-ae70-46a4-9bc2-b6d079fc96c6",
      "name": "便签",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1328,
        -1104
      ],
      "parameters": {
        "height": 208,
        "content": "将写作风格更改为您偏好的样式"
      },
      "typeVersion": 1
    },
    {
      "id": "35eaa09f-a031-4015-b544-9496c6903007",
      "name": "便签1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        208,
        -1168
      ],
      "parameters": {
        "height": 448,
        "content": "从 Google 新闻 RSS 提取头条新闻"
      },
      "typeVersion": 1
    },
    {
      "id": "35649c90-f9fe-4774-88a2-98f78c7d5f0c",
      "name": "便签2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        608,
        -1120
      ],
      "parameters": {
        "color": 3,
        "width": 704,
        "height": 224,
        "content": "去除重复项，提取当日头条新闻并进行分类"
      },
      "typeVersion": 1
    },
    {
      "id": "d35c8f18-3202-48c6-a2c2-7b0433192632",
      "name": "便签3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1584,
        -1104
      ],
      "parameters": {
        "color": 6,
        "width": 176,
        "height": 208,
        "content": "构建您的 GPT 正文，准备进行研究"
      },
      "typeVersion": 1
    },
    {
      "id": "76300c38-d17b-44f4-a340-0eb44b48c087",
      "name": "便签4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        496,
        -480
      ],
      "parameters": {
        "width": 896,
        "height": 192,
        "content": "研究、构建叙述语气并格式化文章。然后通过字数保护确保文章超过 1600 字，如果未达到则通过扩展草稿处理"
      },
      "typeVersion": 1
    },
    {
      "id": "28fc1334-f466-4d90-8345-b30fbdda0b03",
      "name": "便签5",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1696,
        -480
      ],
      "parameters": {
        "width": 464,
        "height": 192,
        "content": "从文章中提取信息并为 Leonardo 编写提示以创建标题图片"
      },
      "typeVersion": 1
    },
    {
      "id": "c20137e7-5518-465c-92d2-988f7b16f2f8",
      "name": "Leonardo 提示生成器",
      "type": "@n8n/n8n-nodes-langchain.openAi",
      "position": [
        1856,
        -400
      ],
      "parameters": {
        "modelId": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4.1-mini",
          "cachedResultName": "GPT-4.1-MINI"
        },
        "options": {},
        "messages": {
          "values": [
            {
              "content": "=Generate a single-line English description of an editorial-style image to visually represent the following article.\n\nThe image must follow these rules:\n- Cinematic, editorial look (not cartoonish or abstract).\n- No visible text or logos.\n- Must work for a blog post featured image in Google News and Discover (ideal size: 1200x628 px).\n- The article title is: \"{{ $json.title }}\"\n- Article content: {{ $json.content }}.\n\nOutput just the English prompt, without quotes or formatting."
            },
            {
              "role": "system",
              "content": "You are an expert in crafting AI image generation prompts for editorial and news images. You help generate cinematic, editorial-style prompts for blog images that perform well in Google News and Google Discover. Avoid any text or logos in the result."
            }
          ]
        }
      },
      "credentials": {
        "openAiApi": {
          "id": "N0prwl5xJER42aO1",
          "name": "OpenAi account"
        }
      },
      "typeVersion": 1.8
    },
    {
      "id": "82b37390-e45a-43c5-b147-54d0d894a298",
      "name": "便签6",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        2192,
        -704
      ],
      "parameters": {
        "color": 3,
        "width": 1136,
        "height": 176,
        "content": "创建图片并上传到 WordPress，更改为您的网站/博客位置"
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "callerPolicy": "workflowsFromSameOwner",
    "executionOrder": "v1"
  },
  "versionId": "cf90d239-f6d1-4a5b-b10f-7d0c99cb9ec7",
  "connections": {
    "If1": {
      "main": [
        [
          {
            "node": "Expand Draft",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Get Title, Content, and Image FileName",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Code": {
      "main": [
        [
          {
            "node": "Wait",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Wait": {
      "main": [
        [
          {
            "node": "Get Leonardo Image Status",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Merge News": {
      "main": [
        [
          {
            "node": "Within dedupe",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Expand Draft": {
      "main": [
        [
          {
            "node": "Get Title, Content, and Image FileName",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Top Headlines": {
      "main": [
        [
          {
            "node": "Classify Headlines",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Within dedupe": {
      "main": [
        [
          {
            "node": "Top Headlines",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Writing Style": {
      "main": [
        [
          {
            "node": "Build GPT body",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Build GPT body": {
      "main": [
        [
          {
            "node": "Research Topic – GPT",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "GDELT Docs API": {
      "main": [
        [
          {
            "node": "Merge News",
            "type": "main",
            "index": 1
          }
        ]
      ]
    },
    "Google News RSS": {
      "main": [
        [
          {
            "node": "Merge News",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Add ALT to Image": {
      "main": [
        [
          {
            "node": "Create WordPress Post",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Schedule Trigger": {
      "main": [
        [
          {
            "node": "Google News RSS",
            "type": "main",
            "index": 0
          },
          {
            "node": "GDELT Docs API",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Word Count Guard": {
      "main": [
        [
          {
            "node": "If1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Build Tone Request": {
      "main": [
        [
          {
            "node": "Tone & Format Revision – GPT",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Classify Headlines": {
      "main": [
        [
          {
            "node": "Writing Style",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Leonardo Image": {
      "main": [
        [
          {
            "node": "Upload Image to Wordpress",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Create WordPress Post": {
      "main": [
        []
      ]
    },
    "Research Topic – GPT": {
      "main": [
        [
          {
            "node": "Build Tone Request",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Leonardo Prompt Creator": {
      "main": [
        [
          {
            "node": "Leonardo: Create Post Image",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Leonardo Image Status": {
      "main": [
        [
          {
            "node": "Get Leonardo Image",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Upload Image to Wordpress": {
      "main": [
        [
          {
            "node": "Add ALT to Image",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Leonardo: Create Post Image": {
      "main": [
        [
          {
            "node": "Code",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Tone & Format Revision – GPT": {
      "main": [
        [
          {
            "node": "Word Count Guard",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Title, Content, and Image FileName": {
      "main": [
        [
          {
            "node": "Leonardo Prompt Creator",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}