WhatsApp聊天机器人 - 餐厅信息助手（预订、菜单、营业时间）

• •PostgreSQL 数据库连接信息

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  "name": "WhatsApp 聊天机器人 – 餐厅信息助手（预订、菜单、营业时间）",
  "tags": [],
  "nodes": [
    {
      "id": "2990c149-51a8-4fa8-a9a6-2fe4c4e42b72",
      "name": "便签",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
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      "parameters": {
        "width": 1000,
        "content": "## 此工作流驱动一个 WhatsApp 聊天机器人，回答客户关于餐厅营业时间、菜单、预订、服务和优惠的问题。"
      },
      "typeVersion": 1
    },
    {
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      "name": "向客户发送回复",
      "type": "n8n-nodes-base.whatsApp",
      "position": [
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      ],
      "webhookId": "a607994c-4e44-4d84-8d8c-725cd4cd903e",
      "parameters": {
        "textBody": "={{ $json.output }}",
        "operation": "send",
        "phoneNumberId": "550325331503475",
        "additionalFields": {},
        "recipientPhoneNumber": "={{ $('Receive WhatsApp Message').item.json.contacts[0].wa_id }}"
      },
      "credentials": {
        "whatsAppApi": {
          "id": "b0PxTDPdWzznWnfG",
          "name": "WhatsApp-test "
        }
      },
      "typeVersion": 1
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      "name": "等待响应",
      "type": "n8n-nodes-base.wait",
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    {
      "id": "3021f85b-00af-417b-8022-dc5f717e4ab7",
      "name": "接收 WhatsApp 消息",
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        "whatsAppTriggerApi": {
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    {
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      "name": "提取客户查询",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
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      ],
      "parameters": {
        "text": "={{ $json.messages[0].text.body }}",
        "options": {
          "systemMessage": "=**You are a helpful and friendly WhatsApp chatbot for a restaurant.**\nWhen a customer sends a message, greet them politely and provide clear, short replies to their questions about:\n\n* Restaurant timings (opening/closing hours)\n* Table booking or reservation availability\n* Menu items (food types, popular dishes, specials)\n* Restaurant location or directions\n* Services offered (dine-in, takeaway, delivery)\n* Pricing and current offers\n* Confirming or cancelling a reservation\n\nIf the customer asks something unrelated to the restaurant, reply:\n🟢 *“I’m here to help with restaurant-related questions. Would you like to know our timings, menu, or book a table?”*\n\nIf a message is unclear or incomplete, respond with:\n🟢 *“Could you please clarify your question so I can assist you better?”*\n\nAlways keep the conversation short, polite, and informative.\n\n"
        },
        "promptType": "define"
      },
      "typeVersion": 1.9
    },
    {
      "id": "92c21a3b-01ad-4ec7-97e2-e5816f23ff81",
      "name": "使用 AI 生成回复",
      "type": "@n8n/n8n-nodes-langchain.lmChatOllama",
      "position": [
        -92,
        -20
      ],
      "parameters": {
        "model": "llama3.2-16000:latest",
        "options": {}
      },
      "credentials": {
        "ollamaApi": {
          "id": "h9CEBFmYALm3FvZf",
          "name": "Ollama account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "dd5381b8-337a-4b60-857c-4c84b682edd6",
      "name": "检查是否需要餐桌预订",
      "type": "n8n-nodes-base.if",
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      ],
      "parameters": {
        "options": {},
        "conditions": {
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              "operator": {
                "name": "filter.operator.equals",
                "type": "string",
                "operation": "equals"
              },
              "leftValue": "Booking",
              "rightValue": "add_your_value_here"
            }
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        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "6fd96474-c7b2-444c-9f9e-960f6897a76d",
      "name": "创建新的餐桌预订",
      "type": "n8n-nodes-base.postgres",
      "position": [
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      ],
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        "table": {
          "__rl": true,
          "mode": "name",
          "value": "id"
        },
        "schema": {
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          "mode": "list",
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      "typeVersion": 2.6
    },
    {
      "id": "f5a58ce9-c39e-40bf-989a-328e8e1a67b3",
      "name": "向客户发送预订确认",
      "type": "n8n-nodes-base.whatsApp",
      "position": [
        856,
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      ],
      "webhookId": "a607994c-4e44-4d84-8d8c-725cd4cd903e",
      "parameters": {
        "textBody": "={{ $json.output }}",
        "operation": "send",
        "phoneNumberId": "550325331503475",
        "additionalFields": {},
        "recipientPhoneNumber": "={{ $('Receive WhatsApp Message').item.json.contacts[0].wa_id }}"
      },
      "credentials": {
        "whatsAppApi": {
          "id": "b0PxTDPdWzznWnfG",
          "name": "WhatsApp-test "
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      },
      "typeVersion": 1
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  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
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  "versionId": "3bedc946-ce52-4aaa-b868-96b0e6b59b1b",
  "connections": {
    "Wait For Response": {
      "main": [
        [
          {
            "node": "Check If Table Booking Required",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Extract Customer Query": {
      "main": [
        [
          {
            "node": "Wait For Response",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Generate Reply with AI": {
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          {
            "node": "Extract Customer Query",
            "type": "ai_languageModel",
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          }
        ]
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    },
    "Create New Table Booking": {
      "main": [
        [
          {
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            "type": "main",
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          }
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      ]
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    "Receive WhatsApp Message": {
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        [
          {
            "node": "Create New Table Booking",
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            "index": 0
          }
        ],
        [
          {
            "node": "Send Reply to Customer",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}