与 XML 文件聊天
中级
这是一个Document Extraction, AI RAG领域的自动化工作流,包含 10 个节点。主要使用 Set, Xml, Code, HttpRequest, Agent 等节点。 使用 GPT 和 LangChain 分析与聊天 XML 文件
前置要求
- •可能需要目标 API 的认证凭证
- •OpenAI API Key
使用的节点 (10)
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": "1pfNtfDuGq3yud8G",
"meta": {
"instanceId": "546be790303d737c735a8648874bae91a6b66b48cd2b10cbe4cbfb78039ceb03",
"templateCredsSetupCompleted": true
},
"name": "与 XML 文件聊天",
"tags": [],
"nodes": [
{
"id": "4f235bd2-f128-4875-958a-2cddc66c05c8",
"name": "执行工作流触发器",
"type": "n8n-nodes-base.executeWorkflowTrigger",
"position": [
-200,
240
],
"parameters": {},
"typeVersion": 1
},
{
"id": "28d8e809-12d7-4381-9e0b-7c4ac95f0739",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
40,
0
],
"parameters": {
"model": "gpt-3.5-turbo-0125",
"options": {
"temperature": 0
}
},
"credentials": {
"openAiApi": {
"id": "xGszewSHddi4rRZl",
"name": "OpenAi account"
}
},
"typeVersion": 1
},
{
"id": "dba1ce53-98d8-4337-a7cf-47b13a7afc08",
"name": "聊天触发器",
"type": "@n8n/n8n-nodes-langchain.chatTrigger",
"position": [
-200,
-120
],
"webhookId": "2b9d9c42-adf4-425d-b0a5-e4f60c750e63",
"parameters": {},
"typeVersion": 1
},
{
"id": "cb21eb41-af05-447b-89eb-627c7f5f0e4e",
"name": "AI 代理",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
20,
-220
],
"parameters": {
"agent": "reActAgent",
"options": {
"suffix": "Here is an XML file. Please parse it and answer questions based on its structure and content. I might ask you to extract specific nodes, attributes, or explain its hierarchy. First, read and understand the XML. Then wait for my questions."
}
},
"typeVersion": 1.3
},
{
"id": "aa4a86eb-c634-4a03-a127-0c2c47932ba9",
"name": "HTTP 请求",
"type": "n8n-nodes-base.httpRequest",
"position": [
240,
240
],
"parameters": {
"url": "={{ $json.xml_url }}",
"options": {}
},
"typeVersion": 4.2
},
{
"id": "14deaea3-f968-48fa-8979-2d65f8251ce7",
"name": "XML",
"type": "n8n-nodes-base.xml",
"position": [
460,
240
],
"parameters": {
"options": {}
},
"typeVersion": 1
},
{
"id": "99775ddb-ddbb-426c-a008-442201212c66",
"name": "获取 XML",
"type": "@n8n/n8n-nodes-langchain.toolWorkflow",
"position": [
160,
0
],
"parameters": {
"workflowId": {
"__rl": true,
"mode": "id",
"value": "1pfNtfDuGq3yud8G"
},
"description": "获取 XML",
"workflowInputs": {
"value": {},
"schema": [],
"mappingMode": "defineBelow",
"matchingColumns": [],
"attemptToConvertTypes": false,
"convertFieldsToString": false
}
},
"typeVersion": 2.2
},
{
"id": "f4535013-2fe7-4ccc-b01d-0fe1fc161251",
"name": "便签",
"type": "n8n-nodes-base.stickyNote",
"position": [
-920,
-160
],
"parameters": {
"width": 620,
"height": 520,
"content": "## 与 XML 聊天"
},
"typeVersion": 1
},
{
"id": "14e9e36d-b6ec-43a1-8094-308e925f6b87",
"name": "准备输出",
"type": "n8n-nodes-base.code",
"position": [
680,
240
],
"parameters": {
"jsCode": "return {\n 'response': $input.all()\n}"
},
"typeVersion": 2
},
{
"id": "e93ae034-9c9b-4dac-b694-a37ec55cfbef",
"name": "设置 XML URL",
"type": "n8n-nodes-base.set",
"position": [
20,
240
],
"parameters": {
"fields": {
"values": [
{
"name": "xml_url",
"stringValue": "https://www.w3schools.com/xml/note.xml"
}
]
},
"options": {}
},
"typeVersion": 3.2
}
],
"active": false,
"pinData": {
"Execute Workflow Trigger": [
{
"json": {
"query": "222",
"operation": "row"
}
}
]
},
"settings": {
"executionOrder": "v1"
},
"versionId": "7c401d7f-c51d-40c5-982d-0751a92fd048",
"connections": {
"XML": {
"main": [
[
{
"node": "Prepare output",
"type": "main",
"index": 0
}
]
]
},
"Get XML": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Set XML URL": {
"main": [
[
{
"node": "HTTP Request",
"type": "main",
"index": 0
}
]
]
},
"Chat Trigger": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"HTTP Request": {
"main": [
[
{
"node": "XML",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Execute Workflow Trigger": {
"main": [
[
{
"node": "Set XML URL",
"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 - 文档提取, AI RAG 检索增强
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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