哥伦比亚发票处理
高级
这是一个Finance, AI领域的自动化工作流，包含 23 个节点。主要使用 Xml, Code, Merge, Filter, Switch 等节点，结合人工智能技术实现智能自动化。 使用Gmail、GPT-4o和Google Workspace提取并整理哥伦比亚发票
前置要求
- •Google Drive API 凭证
- •Google 账号和 Gmail API 凭证
- •Google Sheets API 凭证
- •OpenAI API Key
使用的节点 (23)
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": "Xs7x61YMFsbpB4vg",
"meta": {
"instanceId": "51270372ea87f40bc06437a6d111ae29e684e524a2e6c52d7a6f84dde18d4a17",
"templateCredsSetupCompleted": true
},
"name": "哥伦比亚发票处理",
"tags": [],
"nodes": [
{
"id": "3bcb9b75-a697-4948-974a-f4ea29947bfa",
"name": "遍历项目",
"type": "n8n-nodes-base.splitInBatches",
"position": [
880,
445
],
"parameters": {
"options": {}
},
"typeVersion": 3
},
{
"id": "03076b82-d824-4fe1-b659-7fbfa2f3fd87",
"name": "OpenAI 聊天模型",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
2420,
790
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini"
},
"options": {}
},
"credentials": {
"openAiApi": {
"id": "BfhecJBx32L0a2gT",
"name": "OpenAi account"
}
},
"typeVersion": 1.2
},
{
"id": "201ae476-d189-4ba7-9a96-6f272b95795d",
"name": "计算器",
"type": "@n8n/n8n-nodes-langchain.toolCalculator",
"position": [
2540,
790
],
"parameters": {},
"typeVersion": 1
},
{
"id": "9aca7e2d-af43-4de6-aa07-2e880d660d20",
"name": "结构化输出解析器",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
2660,
790
],
"parameters": {
"jsonSchemaExample": "{\n \"Tipo\": \"Factura\",\n \"Numero_Factura\": \"FAC-2025-00123\",\n \"Fecha_Emision\": \"2025-05-07\",\n \"CUFE\": \"f4a6c8b03e1e4e8b90f9e3e2945d8b23c5b4e2fa\",\n \"NIT_Emisor\": \"900123456\",\n \"Razon_Social_Emisor\": \"Comercializadora XYZ S.A.S.\",\n \"NIT_Receptor\": \"1012345678\",\n \"Valor_Antes_Impuesto\": 1000000,\n \"Impuesto\": 190000,\n \"Total\": 1190000,\n \"Resumen_Compra\": \"Compra de equipos de oficina incluyendo escritorios y sillas ejecutivas\"\n}"
},
"typeVersion": 1.2
},
{
"id": "7793086c-b1f7-49f7-b67a-77721087fea5",
"name": "收到邮件时",
"type": "n8n-nodes-base.gmailTrigger",
"notes": "Executed every 30 minutes as it's for personal invoices, one can wait",
"position": [
0,
445
],
"parameters": {
"simple": false,
"filters": {
"q": "has:attachment filename:zip"
},
"options": {
"downloadAttachments": true
},
"pollTimes": {
"item": [
{
"mode": "everyX",
"unit": "minutes",
"value": 30
}
]
}
},
"credentials": {
"gmailOAuth2": {
"id": "DIVionghQwRFOcIe",
"name": "Gmail account"
}
},
"notesInFlow": false,
"typeVersion": 1.2
},
{
"id": "97460873-8220-476b-97e7-cf433be3f9cd",
"name": "获取文件名和MIME类型",
"type": "n8n-nodes-base.code",
"position": [
220,
445
],
"parameters": {
"jsCode": "let results = [];\n\nfor (item of items) {\n for (key of Object.keys(item.binary)) {\n results.push({\n json: {\n fileName: item.binary[key].fileName,\n mimeType: item.binary[key].mimeType,\n },\n binary: {\n data: item.binary[key],\n }\n });\n }\n}\n\nreturn results;"
},
"typeVersion": 2
},
{
"id": "e01cdfc7-c343-444e-a6ca-57b2139c3b6e",
"name": "仅筛选ZIP文件",
"type": "n8n-nodes-base.filter",
"position": [
440,
445
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "ccb7942e-8cef-480c-98a4-b5b68d98a235",
"operator": {
"type": "string",
"operation": "endsWith"
},
"leftValue": "={{ $json.mimeType }}",
"rightValue": "zip"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "855b3a55-5d2e-4da1-aef7-76bf559da876",
"name": "解压发票",
"type": "n8n-nodes-base.compression",
"position": [
660,
445
],
"parameters": {},
"typeVersion": 1.1
},
{
"id": "c48abfc9-dff9-49ef-bb59-212f2f1eb472",
"name": "仅用于样式",
"type": "n8n-nodes-base.noOp",
"position": [
1100,
270
],
"parameters": {},
"typeVersion": 1
},
{
"id": "b84984d5-f736-40be-b0b5-2d0a245c79a6",
"name": "获取提取文档的文件名和MIME类型",
"type": "n8n-nodes-base.code",
"position": [
1100,
470
],
"parameters": {
"jsCode": "let results = [];\n\nfor (item of items) {\n for (key of Object.keys(item.binary)) {\n results.push({\n json: {\n fileName: item.binary[key].fileName,\n mimeType: item.binary[key].mimeType,\n },\n binary: {\n data: item.binary[key],\n }\n });\n }\n}\n\nreturn results;"
},
"typeVersion": 2
},
{
"id": "9ff8e500-8135-4960-81f5-fbc0945d45db",
"name": "分离XML和PDF",
"type": "n8n-nodes-base.switch",
"position": [
1320,
470
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "pdf",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "69784ebe-7edd-4e50-89c3-8440a662f25a",
"operator": {
"type": "string",
"operation": "contains"
},
"leftValue": "={{ $json.mimeType }}",
"rightValue": "pdf"
}
]
},
"renameOutput": true
},
{
"outputKey": "xml",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "90f50e8d-bd72-4fdf-b854-e473b117377a",
"operator": {
"type": "string",
"operation": "contains"
},
"leftValue": "={{ $json.mimeType }}",
"rightValue": "xml"
}
]
},
"renameOutput": true
}
]
},
"options": {
"fallbackOutput": "none"
}
},
"typeVersion": 3.2
},
{
"id": "1132645b-9270-4581-9707-59bec4ee2417",
"name": "提取PDF数据",
"type": "n8n-nodes-base.extractFromFile",
"position": [
1760,
445
],
"parameters": {
"options": {
"joinPages": true
},
"operation": "pdf"
},
"typeVersion": 1
},
{
"id": "215b29f9-0e0a-4989-a6d3-65faa5941729",
"name": "提取XML数据",
"type": "n8n-nodes-base.extractFromFile",
"position": [
1540,
645
],
"parameters": {
"options": {},
"operation": "xml"
},
"typeVersion": 1
},
{
"id": "7fa1555e-11ae-4fca-b526-52d2b4a1773e",
"name": "转换为JSON",
"type": "n8n-nodes-base.xml",
"position": [
1760,
645
],
"parameters": {
"options": {}
},
"typeVersion": 1
},
{
"id": "cb581772-cb26-4d36-b1b9-c290f5a0a4ea",
"name": "合并两个文档",
"type": "n8n-nodes-base.merge",
"position": [
1980,
570
],
"parameters": {},
"typeVersion": 3.1
},
{
"id": "225b6fd6-4cfd-43d7-9c3e-fe20d97831d7",
"name": "将所有数据聚合到1个列表中",
"type": "n8n-nodes-base.aggregate",
"position": [
2200,
580
],
"parameters": {
"options": {},
"aggregate": "aggregateAllItemData"
},
"typeVersion": 1
},
{
"id": "947001a4-bcdc-4421-bdce-07d41fc85c88",
"name": "从PDF和XML提取数据",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
2452,
570
],
"parameters": {
"text": "=PDF:\n{{ $json.data[0].text }}\n\nXML: \n{{ $json.data[1].AttachedDocument['cac:Attachment']['cac:ExternalReference']['cbc:Description'] }}",
"options": {
"systemMessage": "=Extrae del PDF y el XML proporcionados la siguiente información:\n\t•\tTipo: Factura o Nota Crédito\n\t•\tNúmero de factura\n\t•\tFecha de emisión (formato: YYYY-MM-DD)\n\t•\tNIT del emisor (sin dígito de verificación, solo los números antes del guion)\n\t•\tNIT del receptor (sin dígito de verificación)\n\t•\tRazón social del emisor\n\t•\tValor antes de IVA\n\t•\tValor del IVA\n\t•\tValor total de la factura\n\t•\tCUFE\n\t•\tResumen de la compra (máximo 20 palabras, describiendo en términos generales qué se compró, usando solo mayúsculas donde corresponda gramaticalmente. Ejemplo: “CONSULTA DE PRIMERA VEZ POR OPTOMETRIA” → “Consulta de primera vez por optometría”)\n\nVerifica que:\nValor total = Valor antes de IVA + Valor del IVA, usando la herramienta Calculator."
},
"promptType": "define",
"hasOutputParser": true
},
"typeVersion": 1.9
},
{
"id": "3eb86ff2-7a4b-4e17-af92-057b715fd69d",
"name": "创建初始PDF",
"type": "n8n-nodes-base.googleDrive",
"position": [
2530,
220
],
"parameters": {
"name": "={{ $json.fileName }}",
"driveId": {
"__rl": true,
"mode": "list",
"value": "My Drive"
},
"options": {},
"folderId": {
"__rl": true,
"mode": "list",
"value": "1v0sqvMCFAN02WzXdTuoYF8KGw7Y0Tmf1",
"cachedResultUrl": "https://drive.google.com/drive/folders/xxxxxxx",
"cachedResultName": "Facturas"
}
},
"credentials": {
"googleDriveOAuth2Api": {
"id": "UeBZlmzBxNp4aScN",
"name": "Google Drive account"
}
},
"typeVersion": 3
},
{
"id": "cbe7bcf2-972b-4110-8d1c-075fcc34497a",
"name": "合并两个流程",
"type": "n8n-nodes-base.merge",
"position": [
2860,
495
],
"parameters": {
"mode": "combine",
"options": {},
"combineBy": "combineAll"
},
"typeVersion": 3.1
},
{
"id": "14243355-766d-425d-90d1-6f114903636a",
"name": "用实际名称更新PDF",
"type": "n8n-nodes-base.googleDrive",
"position": [
3080,
495
],
"parameters": {
"fileId": {
"__rl": true,
"mode": "id",
"value": "={{ $json.id }}"
},
"options": {},
"operation": "update",
"changeFileContent": "",
"newUpdatedFileName": "={{ $json.output.Fecha_Emision }}-{{ $json.output.Numero_Factura }}.pdf"
},
"credentials": {
"googleDriveOAuth2Api": {
"id": "UeBZlmzBxNp4aScN",
"name": "Google Drive account"
}
},
"typeVersion": 3
},
{
"id": "aa623454-553a-4b95-b320-964c68dd7555",
"name": "获取当前日期",
"type": "n8n-nodes-base.code",
"notes": "Not in use actually...",
"position": [
3300,
495
],
"parameters": {
"jsCode": "const now = new Date();\n\n// Get Colombia time values\nconst options = { timeZone: 'America/Bogota', year: 'numeric', month: '2-digit', day: '2-digit' };\nconst formatter = new Intl.DateTimeFormat('en-CA', options); // en-CA gives YYYY-MM-DD format\nconst [year, month, day] = formatter.format(now).split('-');\n\nreturn [\n {\n json: {\n year,\n month,\n day\n }\n }\n];"
},
"typeVersion": 2
},
{
"id": "466a2885-adba-41ce-8a51-8c36db58a113",
"name": "创建或更新行",
"type": "n8n-nodes-base.googleSheets",
"position": [
3520,
620
],
"parameters": {
"columns": {
"value": {
"Key": "={{ $('Merge both flows').item.json.output.NIT_Emisor }}-{{ $('Merge both flows').item.json.output.Numero_Factura }}",
"CUFE": "={{ $('Merge both flows').item.json.output.CUFE }}",
"Tipo": "={{ $('Merge both flows').item.json.output.Tipo }}",
"Fecha": "={{ $('Merge both flows').item.json.output.Fecha_Emision }}",
"Total": "={{ $('Merge both flows').item.json.output.Total }}",
"Factura": "={{ $('Extract Data from PDF and XML').item.json.output.Numero_Factura }}",
"Impuesto": "={{ $('Merge both flows').item.json.output.Impuesto }}",
"Subtotal": "={{ $('Merge both flows').item.json.output.Valor_Antes_Impuesto }}",
"NIT Emisor": "={{ $('Merge both flows').item.json.output.NIT_Emisor }}",
"NIT Receptor": "={{ $('Merge both flows').item.json.output.NIT_Receptor }}",
"Razón Social": "={{ $('Merge both flows').item.json.output.Razon_Social_Emisor }}",
"Resumen Compra": "={{ $('Merge both flows').item.json.output.Resumen_Compra }}"
},
"schema": [
{
"id": "Factura",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Factura",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Tipo",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Tipo",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Key",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Key",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Fecha",
"type": "string",
"display": true,
"required": false,
"displayName": "Fecha",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Razón Social",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Razón Social",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "NIT Emisor",
"type": "string",
"display": true,
"required": false,
"displayName": "NIT Emisor",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "NIT Receptor",
"type": "string",
"display": true,
"required": false,
"displayName": "NIT Receptor",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Subtotal",
"type": "string",
"display": true,
"required": false,
"displayName": "Subtotal",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Impuesto",
"type": "string",
"display": true,
"required": false,
"displayName": "Impuesto",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Total",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Total",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "CUFE",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "CUFE",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Resumen Compra",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Resumen Compra",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [
"Key"
],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {},
"operation": "appendOrUpdate",
"sheetName": {
"__rl": true,
"mode": "list",
"value": "gid=0",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/xxxxx/edit#gid=0",
"cachedResultName": "Sheet1"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "1HmtB_MXS7oOJn86V3dcBjLdvnw3aWLkD36avc147zuI",
"cachedResultUrl": "https://docs.google.com/spreadsheets/xxxxx/edit?usp=drivesdk",
"cachedResultName": "Facturas"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"id": "phQyVnZ7ZojxewDR",
"name": "Google Sheets account"
}
},
"typeVersion": 4.5
},
{
"id": "e7076c9e-1998-4aab-bb43-9d9f89a3377f",
"name": "便签",
"type": "n8n-nodes-base.stickyNote",
"position": [
-60,
-480
],
"parameters": {
"width": 960,
"height": 880,
"content": "# 🧾 哥伦比亚电子发票处理"
},
"typeVersion": 1
}
],
"active": true,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "fefb527f-7457-46bc-a80c-ca290b163bce",
"connections": {
"Calculator": {
"ai_tool": [
[
{
"node": "Extract Data from PDF and XML",
"type": "ai_tool",
"index": 0
}
]
]
},
"Unzip Invoice": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"Convert to JSON": {
"main": [
[
{
"node": "Append both Docs",
"type": "main",
"index": 1
}
]
]
},
"Loop Over Items": {
"main": [
[
{
"node": "Just for style",
"type": "main",
"index": 0
}
],
[
{
"node": "Get filename and mimeType on extracted docs",
"type": "main",
"index": 0
}
]
]
},
"Append both Docs": {
"main": [
[
{
"node": "Aggregate all Data into 1 list",
"type": "main",
"index": 0
}
]
]
},
"Extract PDF Data": {
"main": [
[
{
"node": "Append both Docs",
"type": "main",
"index": 0
}
]
]
},
"Extract XML Data": {
"main": [
[
{
"node": "Convert to JSON",
"type": "main",
"index": 0
}
]
]
},
"Get Current Date": {
"main": [
[
{
"node": "Create or update row",
"type": "main",
"index": 0
}
]
]
},
"Merge both flows": {
"main": [
[
{
"node": "Update PDF with actual name",
"type": "main",
"index": 0
}
]
]
},
"On Email receipt": {
"main": [
[
{
"node": "Get Filename and mimeType",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "Extract Data from PDF and XML",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Split XML and PDF": {
"main": [
[
{
"node": "Create initial PDF",
"type": "main",
"index": 0
},
{
"node": "Extract PDF Data",
"type": "main",
"index": 0
}
],
[
{
"node": "Extract XML Data",
"type": "main",
"index": 0
}
]
]
},
"Create initial PDF": {
"main": [
[
{
"node": "Merge both flows",
"type": "main",
"index": 0
}
]
]
},
"Create or update row": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"Filter ZIP files only": {
"main": [
[
{
"node": "Unzip Invoice",
"type": "main",
"index": 0
}
]
]
},
"Structured Output Parser": {
"ai_outputParser": [
[
{
"node": "Extract Data from PDF and XML",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"Get Filename and mimeType": {
"main": [
[
{
"node": "Filter ZIP files only",
"type": "main",
"index": 0
}
]
]
},
"Update PDF with actual name": {
"main": [
[
{
"node": "Get Current Date",
"type": "main",
"index": 0
}
]
]
},
"Extract Data from PDF and XML": {
"main": [
[
{
"node": "Merge both flows",
"type": "main",
"index": 1
}
]
]
},
"Aggregate all Data into 1 list": {
"main": [
[
{
"node": "Extract Data from PDF and XML",
"type": "main",
"index": 0
}
]
]
},
"Get filename and mimeType on extracted docs": {
"main": [
[
{
"node": "Split XML and PDF",
"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 - 财务, 人工智能
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工作流信息
难度等级
高级
节点数量23
分类2
节点类型18
作者
Juan Sanchez
@juansaveExperienced cloud solutions professional with a strong focus on Microsoft technologies, including Microsoft 365, Azure, Entra, and the Power Platform. Skilled in designing and implementing automation using Power Automate and PowerShell. Proven track record in sales, marketing, and delivering managed services for cloud environments. Passionate about digital transformation, AI integration, and streamlining business processes through low-code platforms.
外部链接
在 n8n.io 查看 →
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