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使用Claude和Gemini直接从PDF提取和处理信息

中级

这是一个AI领域的自动化工作流，包含 11 个节点。主要使用 Set, GoogleDrive, HttpRequest, ManualTrigger, ExtractFromFile 等节点，结合人工智能技术实现智能自动化。 使用Claude和Gemini直接从PDF提取和处理信息

前置要求
  • •Google Drive API 凭证
  • •可能需要目标 API 的认证凭证

使用的节点 (11)

Set
StickyNote
GoogleDrive
HttpRequest
ManualTrigger
ExtractFromFile

分类

人工智能
工作流预览
可视化展示节点连接关系，支持缩放和平移
React Flow
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": "f4f5d195bb2162a0972f737368404b18be694648d365d6c6771d7b4909d28167"
  },
  "nodes": [
    {
      "id": "b6cd232e-e82e-457b-9f03-c010b3eba148",
      "name": "当点击'测试工作流'时",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        -40,
        0
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "2b734806-e3c0-4552-a491-54ca846ed3ac",
      "name": "从文件中提取",
      "type": "n8n-nodes-base.extractFromFile",
      "position": [
        620,
        0
      ],
      "parameters": {
        "options": {},
        "operation": "binaryToPropery"
      },
      "typeVersion": 1
    },
    {
      "id": "2c199499-cc4f-405c-8560-765500b7acba",
      "name": "Google Drive",
      "type": "n8n-nodes-base.googleDrive",
      "position": [
        420,
        0
      ],
      "parameters": {
        "fileId": {
          "__rl": true,
          "mode": "list",
          "value": "18Ac2xorxirIBm9FNFDDB5aVUSPBCCg1U",
          "cachedResultUrl": "https://drive.google.com/file/d/18Ac2xorxirIBm9FNFDDB5aVUSPBCCg1U/view?usp=drivesdk",
          "cachedResultName": "Invoice-798FE2FA-0004.pdf"
        },
        "options": {},
        "operation": "download"
      },
      "credentials": {
        "googleDriveOAuth2Api": {
          "id": "AUEpxwlqBJghNMtb",
          "name": "Google Drive account"
        }
      },
      "typeVersion": 3
    },
    {
      "id": "e3031c0c-f059-4f30-9684-10014a277d55",
      "name": "调用具有 PDF 功能的 Gemini 2.0 Flash",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        880,
        220
      ],
      "parameters": {
        "url": "https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash-exp:generateContent",
        "method": "POST",
        "options": {},
        "jsonBody": "={\n  \"contents\": [\n    {\n      \"parts\": [\n        {\n          \"inline_data\": {\n            \"mime_type\": \"application/pdf\",\n            \"data\": \"{{ $json.data }}\"\n          }\n        },\n        {\n          \"text\": \"{{ $('Define Prompt').item.json.prompt }}\"\n        }\n      ]\n    }\n  ]\n}",
        "sendBody": true,
        "specifyBody": "json",
        "authentication": "predefinedCredentialType",
        "nodeCredentialType": "googlePalmApi"
      },
      "credentials": {
        "anthropicApi": {
          "id": "eOt6Ois0jSizRFMJ",
          "name": "Anthropic Mira Account"
        },
        "googlePalmApi": {
          "id": "IQrjvfoUd5LUft3b",
          "name": "Google Gemini(PaLM) Api account"
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "135df716-32a1-47e8-9ed8-30c830b803d6",
      "name": "调用具有 PDF 功能的 Claude 3.5 Sonnet",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        880,
        -140
      ],
      "parameters": {
        "url": "https://api.anthropic.com/v1/messages",
        "method": "POST",
        "options": {},
        "jsonBody": "={\n  \"model\": \"claude-3-5-sonnet-20241022\",\n    \"max_tokens\": 1024,\n    \"messages\": [{\n        \"role\": \"user\",\n        \"content\": [{\n            \"type\": \"document\",\n            \"source\": {\n                \"type\": \"base64\",\n                \"media_type\": \"application/pdf\",\n                \"data\": \"{{$json.data}}\"\n            }\n        },\n        {\n            \"type\": \"text\",\n            \"text\": \"{{ $('Define Prompt').item.json.prompt }}\"\n        }]\n    }]\n}",
        "sendBody": true,
        "sendHeaders": true,
        "specifyBody": "json",
        "authentication": "predefinedCredentialType",
        "headerParameters": {
          "parameters": [
            {
              "name": "anthropic-version",
              "value": "2023-06-01"
            },
            {
              "name": "content-type",
              "value": "application/json"
            }
          ]
        },
        "nodeCredentialType": "anthropicApi"
      },
      "credentials": {
        "anthropicApi": {
          "id": "eOt6Ois0jSizRFMJ",
          "name": "Anthropic Mira Account"
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "5b8994d1-4bfd-4776-84ac-b3141aca6378",
      "name": "便签1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -700,
        -280
      ],
      "parameters": {
        "color": 7,
        "width": 601,
        "height": 585,
        "content": "## 工作流：使用 Claude 3.5 Sonnet 或 Gemini 2.0 Flash 从 PDF 提取数据"
      },
      "typeVersion": 1
    },
    {
      "id": "616241a9-6199-406b-88dc-0afc7d974250",
      "name": "便签",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        820,
        60
      ],
      "parameters": {
        "color": 5,
        "width": 320,
        "height": 360,
        "content": "您可以通过添加以下内容将结果输出为 JSON："
      },
      "typeVersion": 1
    },
    {
      "id": "bbac8d3d-d68f-4aa2-a41a-b06f7de2317b",
      "name": "定义提示",
      "type": "n8n-nodes-base.set",
      "position": [
        180,
        0
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "dba23ef5-95df-496a-8e24-c7c1544533d2",
              "name": "prompt",
              "type": "string",
              "value": "Extract the VAT numbers for each country"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "3c2e7265-76e5-4911-a950-7e6b0c89ec5a",
      "name": "便签2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        820,
        -200
      ],
      "parameters": {
        "color": 5,
        "width": 320,
        "height": 240,
        "content": "您可以使用[预填充响应格式](https://docs.anthropic.com/en/docs/test-and-evaluate/strengthen-guardrails/increase-consistency#prefill-claudes-response)强制 Claude 输出 JSON"
      },
      "typeVersion": 1
    },
    {
      "id": "f2b46305-5200-486e-ad4d-ecc0d2a14314",
      "name": "便签3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        380,
        -120
      ],
      "parameters": {
        "color": 5,
        "width": 380,
        "height": 280,
        "content": "这两个步骤首先下载 PDF 文件，然后将其转换为 base64"
      },
      "typeVersion": 1
    },
    {
      "id": "e5dff70f-b55a-4c23-9025-765a7cf19c4a",
      "name": "便签4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        120,
        -120
      ],
      "parameters": {
        "color": 5,
        "width": 220,
        "height": 280,
        "content": "此提示用于 Gemini 和 Claude 的调用中，以定义应提取和处理哪些信息"
      },
      "typeVersion": 1
    }
  ],
  "pinData": {},
  "connections": {
    "Google Drive": {
      "main": [
        [
          {
            "node": "Extract from File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Define Prompt": {
      "main": [
        [
          {
            "node": "Google Drive",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Extract from File": {
      "main": [
        [
          {
            "node": "Call Claude 3.5 Sonnet with PDF Capabilities",
            "type": "main",
            "index": 0
          },
          {
            "node": "Call Gemini 2.0 Flash with PDF Capabilities",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "When clicking 'Test workflow'": {
      "main": [
        [
          {
            "node": "Define Prompt",
            "type": "main",
            "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 - 人工智能

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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难度等级
中级
节点数量11
分类1
节点类型6
难度说明

适合有一定经验的用户，包含 6-15 个节点的中等复杂度工作流

作者
Agent Studio

Agent Studio

@agentstudio

We are a product studio that helps organizations leverage no-code and generative AI to automate internal processes and launch new digital products.

外部链接
在 n8n.io 查看 →

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