8
n8n 中文网amn8n.com

使用 RAG 和 Google Gemini API 的 IPL 板球规则问答聊天机器人

高级

这是一个Engineering, Multimodal AI领域的自动化工作流,包含 24 个节点。主要使用 HttpRequest, ManualTrigger, Agent, ChatTrigger, LmChatGoogleGemini 等节点。 基于 RAG 和 Google Gemini API 的 IPL 板球规则问答聊天机器人

前置要求
  • 可能需要目标 API 的认证凭证
  • Google Gemini API Key
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
{
  "id": "CkgF5zRqCL4BS6I5",
  "meta": {
    "instanceId": "5c50f3d58b333c0490a31213f0ec76116e02346dcdd9088649ba9dd6fbe45ca1",
    "templateCredsSetupCompleted": true
  },
  "name": "使用 RAG 和 Google Gemini API 的 IPL 板球规则问答聊天机器人",
  "tags": [],
  "nodes": [
    {
      "id": "4c32f558-efff-4eff-b714-202c7419a96c",
      "name": "当收到聊天消息时",
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "position": [
        -1216,
        192
      ],
      "webhookId": "4df707a8-70c8-4fab-a970-a97ce7d7594f",
      "parameters": {
        "options": {}
      },
      "typeVersion": 1.1
    },
    {
      "id": "352186bb-07d1-4d7d-9f0f-b57e0880fc11",
      "name": "AI Agent",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        -1008,
        64
      ],
      "parameters": {
        "options": {
          "systemMessage": "You are a cricket expert. \n\nYou are tasked with answering questions on ipl cricket queries. Information should only be referred to and provided if it is provided explicitly in the data base to you. Your goal is to provide accurate information based on this information.\n\nIf information is not provided to you explicitly or if you can not answer the question using the provided information, say \"Sorry I donot know\""
        }
      },
      "typeVersion": 2.1
    },
    {
      "id": "15f7fbdc-ab77-4007-9a8e-8ddbe881d984",
      "name": "简单记忆",
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "position": [
        -784,
        336
      ],
      "parameters": {
        "contextWindowLength": 20
      },
      "typeVersion": 1.3
    },
    {
      "id": "dc61d50a-fdd8-4a21-974f-33aa8aab5c0a",
      "name": "简单向量存储",
      "type": "@n8n/n8n-nodes-langchain.vectorStoreInMemory",
      "position": [
        -720,
        176
      ],
      "parameters": {
        "mode": "retrieve-as-tool",
        "topK": 10,
        "memoryKey": {
          "__rl": true,
          "mode": "list",
          "value": "vector_store_key"
        },
        "toolDescription": "This is a repository of ipl cricket rules and international cricket rules"
      },
      "typeVersion": 1.3
    },
    {
      "id": "69f8782c-c5d2-4693-bc00-a2ab58c61e08",
      "name": "Google Gemini聊天模型",
      "type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
      "position": [
        -944,
        336
      ],
      "parameters": {
        "options": {
          "topP": 0.3
        }
      },
      "credentials": {
        "googlePalmApi": {
          "id": "3f4CCF4BMZnEfG6y",
          "name": "Google Gemini(PaLM) Api account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "33d9a2a4-6f13-4cbe-a3b3-19f3d0b7d6a1",
      "name": "嵌入 Google Gemini",
      "type": "@n8n/n8n-nodes-langchain.embeddingsGoogleGemini",
      "position": [
        -608,
        320
      ],
      "parameters": {},
      "credentials": {
        "googlePalmApi": {
          "id": "3f4CCF4BMZnEfG6y",
          "name": "Google Gemini(PaLM) Api account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "05bbad6c-877c-4d6d-90e1-6c82d6560ae2",
      "name": "简单向量存储1",
      "type": "@n8n/n8n-nodes-langchain.vectorStoreInMemory",
      "position": [
        -896,
        -544
      ],
      "parameters": {
        "mode": "insert",
        "memoryKey": {
          "__rl": true,
          "mode": "list",
          "value": "vector_store_key"
        }
      },
      "typeVersion": 1.3
    },
    {
      "id": "34948452-2e69-40cc-9b86-b78500873aab",
      "name": "嵌入 Google Gemini1",
      "type": "@n8n/n8n-nodes-langchain.embeddingsGoogleGemini",
      "position": [
        -896,
        -320
      ],
      "parameters": {},
      "credentials": {
        "googlePalmApi": {
          "id": "3f4CCF4BMZnEfG6y",
          "name": "Google Gemini(PaLM) Api account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "d6b2871c-78c6-4785-8913-262eb2364f7d",
      "name": "默认数据加载器",
      "type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
      "position": [
        -720,
        -400
      ],
      "parameters": {
        "options": {},
        "dataType": "binary",
        "textSplittingMode": "custom"
      },
      "typeVersion": 1.1
    },
    {
      "id": "6818e50a-ecc1-40e5-aac9-9d38fc85d3ec",
      "name": "递归字符文本分割器",
      "type": "@n8n/n8n-nodes-langchain.textSplitterRecursiveCharacterTextSplitter",
      "position": [
        -704,
        -256
      ],
      "parameters": {
        "options": {},
        "chunkOverlap": 200
      },
      "typeVersion": 1
    },
    {
      "id": "48da425a-c41f-4301-b4a7-df00f604ba5b",
      "name": "HTTP 请求",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -1040,
        -448
      ],
      "parameters": {
        "url": "https://documents.iplt20.com/bcci/documents/1742707993986_Match_Playing_Conditions.pdf",
        "options": {}
      },
      "typeVersion": 4.2
    },
    {
      "id": "3fc9062b-fdef-421d-a7a3-d348c83cb51c",
      "name": "当点击\"执行工作流\"时",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        -1232,
        -448
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "60491e32-d0c1-4e4a-922f-8ce976b481d1",
      "name": "便签",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -2576,
        -48
      ],
      "parameters": {
        "color": 6,
        "width": 2144,
        "height": 624,
        "content": "## 步骤 2"
      },
      "typeVersion": 1
    },
    {
      "id": "1909411f-90b0-4cd5-823a-39f4f918cc5e",
      "name": "便签 1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -2576,
        -624
      ],
      "parameters": {
        "width": 2160,
        "height": 544,
        "content": "## 步骤 1"
      },
      "typeVersion": 1
    },
    {
      "id": "63e38b73-3e30-47d7-86bb-afa2ad92dc2b",
      "name": "便签7",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -2576,
        -768
      ],
      "parameters": {
        "color": 5,
        "width": 2160,
        "height": 128,
        "content": "## 此工作流程包含 2 个主要步骤"
      },
      "typeVersion": 1
    },
    {
      "id": "f45e2852-88a8-4f70-a124-01f2b06d9a19",
      "name": "便签 2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1232,
        -544
      ],
      "parameters": {
        "color": 3,
        "width": 278,
        "height": 80,
        "content": "## 步骤 1.1"
      },
      "typeVersion": 1
    },
    {
      "id": "0b72e856-23c6-42c2-860e-8f761f861d95",
      "name": "便签 3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -608,
        -304
      ],
      "parameters": {
        "color": 3,
        "width": 166,
        "height": 128,
        "content": "## 步骤 1.2"
      },
      "typeVersion": 1
    },
    {
      "id": "96c343b7-3961-49c1-97e0-35b4eee90d78",
      "name": "便签 4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1088,
        -240
      ],
      "parameters": {
        "color": 3,
        "width": 150,
        "height": 80,
        "content": "## 步骤 1.4"
      },
      "typeVersion": 1
    },
    {
      "id": "f78516ba-4b17-4e48-9450-ba5d7cb123f1",
      "name": "便签 5",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -592,
        -544
      ],
      "parameters": {
        "color": 3,
        "width": 150,
        "height": 80,
        "content": "## 步骤 1.5"
      },
      "typeVersion": 1
    },
    {
      "id": "b97281a4-6b1f-41a1-9a1e-c48be5a6854c",
      "name": "便签6",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1248,
        96
      ],
      "parameters": {
        "color": 4,
        "width": 160,
        "height": 80,
        "content": "## 步骤 2.1"
      },
      "typeVersion": 1
    },
    {
      "id": "a8de0dce-eaa0-441d-b050-5374741f3b5f",
      "name": "便签8",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -976,
        464
      ],
      "parameters": {
        "color": 4,
        "width": 160,
        "height": 80,
        "content": "## 步骤 2.4"
      },
      "typeVersion": 1
    },
    {
      "id": "1f405862-c83e-4687-b919-3e128bcd2073",
      "name": "便签9",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -608,
        64
      ],
      "parameters": {
        "color": 4,
        "width": 160,
        "height": 80,
        "content": "## 步骤 2.3"
      },
      "typeVersion": 1
    },
    {
      "id": "dfb4cbe2-f6b0-45c4-bda7-d5f33a3b8e5f",
      "name": "便签 10",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -800,
        464
      ],
      "parameters": {
        "color": 4,
        "width": 160,
        "height": 80,
        "content": "## 步骤 2.2"
      },
      "typeVersion": 1
    },
    {
      "id": "c5cfbb0b-2d09-40b8-ba18-5c4028d8a556",
      "name": "便签11",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -928,
        -32
      ],
      "parameters": {
        "color": 4,
        "width": 160,
        "height": 80,
        "content": "## 步骤 2.5"
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "98c130a5-eef0-4246-8a95-88a29c4e8ce6",
  "connections": {
    "HTTP Request": {
      "main": [
        [
          {
            "node": "Simple Vector Store1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Simple Memory": {
      "ai_memory": [
        [
          {
            "node": "AI Agent",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    },
    "Default Data Loader": {
      "ai_document": [
        [
          {
            "node": "Simple Vector Store1",
            "type": "ai_document",
            "index": 0
          }
        ]
      ]
    },
    "Simple Vector Store": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Embeddings Google Gemini": {
      "ai_embedding": [
        [
          {
            "node": "Simple Vector Store",
            "type": "ai_embedding",
            "index": 0
          }
        ]
      ]
    },
    "Google Gemini Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "AI Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Embeddings Google Gemini1": {
      "ai_embedding": [
        [
          {
            "node": "Simple Vector Store1",
            "type": "ai_embedding",
            "index": 0
          }
        ]
      ]
    },
    "When chat message received": {
      "main": [
        [
          {
            "node": "AI Agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Recursive Character Text Splitter": {
      "ai_textSplitter": [
        [
          {
            "node": "Default Data Loader",
            "type": "ai_textSplitter",
            "index": 0
          }
        ]
      ]
    },
    "When clicking ‘Execute workflow’": {
      "main": [
        [
          {
            "node": "HTTP Request",
            "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?

高级 - 工程, 多模态 AI

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。

工作流信息
难度等级
高级
节点数量24
分类2
节点类型11
难度说明

适合高级用户,包含 16+ 个节点的复杂工作流

外部链接
在 n8n.io 查看

分享此工作流