使用 Gemini 和 Pollinations AI 自动生成并发布 AI 图片到 Facebook

• •可能需要目标 API 的认证凭证
• •Facebook Graph API 凭证
• •Google Gemini API Key

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  "nodes": [
    {
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      "name": "便签",
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      "position": [
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      ],
      "parameters": {
        "color": 2,
        "width": 400,
        "height": 560,
        "content": "🌟 使用 Gemini 和 Facebook 页面集成的自动化 AI 图像创建"
      },
      "typeVersion": 1
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    {
      "id": "6bed68e2-f333-4aa1-9002-5af796b829b1",
      "name": "设置计划",
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      "name": "Google Gemini聊天模型",
      "type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
      "position": [
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        160
      ],
      "parameters": {
        "options": {},
        "modelName": "models/gemini-2.5-flash-lite-preview-06-17"
      },
      "credentials": {
        "googlePalmApi": {
          "id": "y5KI7bWJDr54AEy4",
          "name": "Google Gemini(PaLM) Api account"
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      "parameters": {
        "color": 3,
        "width": 400,
        "height": 400,
        "content": "🧱 推荐的节点重命名（为了清晰）"
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        "width": 400,
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        "content": "🛠 发布提示"
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      "name": "记录计划时间",
      "type": "n8n-nodes-base.code",
      "position": [
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      ],
      "parameters": {
        "jsCode": "return [\n  {\n    json: {\n      message: \"Schedule Trigger aktif.\",\n      triggeredAt: new Date().toISOString(),\n      time: $json.time || \"Not Found\"\n    }\n  }\n];\n"
      },
      "typeVersion": 2
    },
    {
      "id": "81b1a688-f7ec-4f7d-8ab3-106eb7a45df4",
      "name": "生成图像提示（Gemini）",
      "type": "@n8n/n8n-nodes-langchain.chainLlm",
      "position": [
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      ],
      "parameters": {
        "text": "=Create 1 random AI image prompt in the style of [cinematic / surreal / steampunk / retro futuristic]. The prompt should be unique, fantastic, and full of imagination. the prompt should be in good and correct English.\n\nOutput Without any additional explanation",
        "promptType": "define"
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      "typeVersion": 1.6
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    {
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      "name": "创建 Pollinations URL",
      "type": "n8n-nodes-base.code",
      "position": [
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      ],
      "parameters": {
        "jsCode": "const width = 1024;\nconst height = 1024;\nconst randomSeed = Math.floor(Math.random() * 100000);\n\nconst finalPrompt = $json.text;\nconst imageUrl = `https://image.pollinations.ai/prompt/${encodeURIComponent(finalPrompt)}.jpg?width=${width}&height=${height}&seed=${randomSeed}&model=flux&nologo=true`;\n\nreturn [\n  {\n    json: {\n      text: finalPrompt,\n      imageUrl\n    }\n  }\n];\n"
      },
      "typeVersion": 2
    },
    {
      "id": "10ab3f57-9088-4b47-86a9-88681174d392",
      "name": "获取 AI 图像",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
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        -40
      ],
      "parameters": {
        "url": "={{ $json.imageUrl }}",
        "options": {}
      },
      "typeVersion": 4.2
    },
    {
      "id": "e57ca15b-5d39-4a03-8ba7-5830ebdf773e",
      "name": "发布图像到 Facebook",
      "type": "n8n-nodes-base.facebookGraphApi",
      "position": [
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        -40
      ],
      "parameters": {
        "edge": "photos",
        "node": "me",
        "options": {
          "queryParameters": {
            "parameter": [
              {
                "name": "prompt",
                "value": "={{ $json.text }}"
              },
              {
                "name": "caption",
                "value": "={{ $json.text }}\n\n\n#FreeImage #AIGeneratedArt #CreativeFreedom #FreeToUse #freeimagegenerator"
              }
            ]
          }
        },
        "sendBinaryData": true,
        "graphApiVersion": "v22.0",
        "httpRequestMethod": "POST",
        "binaryPropertyName": "data"
      },
      "credentials": {
        "facebookGraphApi": {
          "id": "np3V4HlSQIPqGUSS",
          "name": "Facebook Graph account 6"
        }
      },
      "typeVersion": 1
    }
  ],
  "pinData": {},
  "connections": {
    "Fetch AI Image": {
      "main": [
        [
          {
            "node": "Post Image to Facebook",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Set The Schedule": {
      "main": [
        [
          {
            "node": "Log Schedule Time",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Log Schedule Time": {
      "main": [
        [
          {
            "node": "Generate Image Prompt (Gemini)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Create Pollinations URL": {
      "main": [
        [
          {
            "node": "Fetch AI Image",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Google Gemini Chat Model": {
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