智能建筑工地查找器
中级
这是一个Market Research领域的自动化工作流，包含 12 个节点。主要使用 Code, EmailSend, HttpRequest, EmailReadImap 等节点。 使用99acres邮件抓取器自动化房地产建筑工地发现
前置要求
- •可能需要目标 API 的认证凭证
分类
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": "fUm6F0dcP34rvd5r",
"meta": {
"instanceId": "dd69efaf8212c74ad206700d104739d3329588a6f3f8381a46a481f34c9cc281",
"templateCredsSetupCompleted": true
},
"name": "智能建筑工地查找器",
"tags": [],
"nodes": [
{
"id": "a70b1c5f-1dc7-4041-8633-f1cad4a1705d",
"name": "触发器：新邮件",
"type": "n8n-nodes-base.emailReadImap",
"position": [
-680,
-240
],
"parameters": {
"options": {}
},
"credentials": {
"imap": {
"id": "zTEGYssr7MSVeCs3",
"name": "IMAP-test"
}
},
"typeVersion": 2
},
{
"id": "0935cc24-74d5-4e2b-ac74-e633525646d9",
"name": "提取区域和城市",
"type": "n8n-nodes-base.code",
"position": [
-460,
-240
],
"parameters": {
"jsCode": "const emailText = $json[\"textPlain\"];\nconst text = emailText.toLowerCase();\n\n// Improved regex for detecting \"area, city\" (e.g., \"gota, ahmedabad\")\nconst areaCityRegex = /\\b(?:in|list of)?\\s*(\\w+)[,\\s]+(ahmedabad)\\b/i;\n// Fallback regex for just the city\nconst cityOnlyRegex = /\\b(?:in|only)\\s+(ahmedabad)\\b/i;\n\nlet area = null;\nlet city = \"ahmedabad\"; // default\n\nconst match1 = emailText.match(areaCityRegex);\nconst match2 = emailText.match(cityOnlyRegex);\n\n// Match area + city\nif (match1) {\n area = match1[1]?.toLowerCase();\n city = match1[2]?.toLowerCase();\n}\n// Match city only\nelse if (match2) {\n city = match2[1]?.toLowerCase();\n}\n\n// ✅ Only support ahmedabad for now\nlet cityId = null;\nif (city === \"ahmedabad\") {\n cityId = \"1008530\";\n} else {\n return [\n {\n json: {\n error: \"❌ Unsupported city: \" + city\n }\n }\n ];\n}\n\n// ✅ Generate 99acres URL\nconst location = area ? area : city;\nconst finalURL = `https://www.99acres.com/search/property/buy/${location}?city=${cityId}&keyword=${location}&preference=S&area_unit=1&budget_min=0&res_com=R&isPreLeased=N`;\n\nreturn [\n {\n json: {\n area: area || \"\",\n city: city,\n url: finalURL\n }\n }\n];\n"
},
"typeVersion": 2
},
{
"id": "4842e0e9-87b8-4e8f-b6c6-471e2b0f5a70",
"name": "抓取建筑项目",
"type": "n8n-nodes-base.httpRequest",
"position": [
-240,
-240
],
"parameters": {
"url": "={{ $json.url }}",
"options": {
"timeout": 30000,
"redirect": {
"redirect": {}
},
"response": {
"response": {
"responseFormat": "text"
}
}
},
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "User-Agent",
"value": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36"
},
{
"name": "Accept",
"value": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8"
},
{
"name": "Accept-Language",
"value": "en-US,en;q=0.5"
}
]
}
},
"typeVersion": 4.1
},
{
"id": "6b053365-f3ec-4da1-ab4f-e0867371f3ad",
"name": "解析项目列表",
"type": "n8n-nodes-base.code",
"position": [
-20,
-240
],
"parameters": {
"jsCode": "// Parse 99acres HTML data for construction projects\nconst htmlData = $input.first().json.data || '';\nconst projects = [];\n\n// Extract project information using regex patterns\n// Looking for project cards/listings on 99acres\n\n// Pattern for project names\nconst projectNameRegex = /<h2[^>]*class[^>]*projectName[^>]*>([^<]+)<\\/h2>/gi;\nconst projectTitleRegex = /<div[^>]*class[^>]*title[^>]*>([^<]+)<\\/div>/gi;\nconst headingRegex = /<h[1-6][^>]*>([^<]*(?:apartment|project|tower|residency|heights|complex)[^<]*)<\\/h[1-6]>/gi;\n\n// Pattern for prices\nconst priceRegex = /₹\\s*([0-9.]+)\\s*([A-Za-z]+)/g;\nconst pricePatternRegex = /Price on Request|₹[\\d\\s.]+\\s*(?:Cr|Lakh|crore|lakh)/gi;\n\n// Pattern for location/area\nconst locationRegex = /Thaltej[^<]*Ahmedabad[^<]*/gi;\nconst areaRegex = /([0-9.]+)\\s*(?:Sq\\.?\\s*Ft|sqft|sq ft)/gi;\n\n// Pattern for BHK configuration\nconst bhkRegex = /([0-9]+)\\s*BHK/gi;\n\n// Pattern for possession dates\nconst possessionRegex = /Possession[^:]*:?\\s*([A-Za-z]+\\s*[0-9]{4})/gi;\nconst dateRegex = /(Dec|Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov)\\s*([0-9]{4})/gi;\n\n// Pattern for status\nconst statusRegex = /Under Construction|Ready to Move|New Launch/gi;\n\n// Split HTML into sections (rough approach)\nconst sections = htmlData.split(/(?=<div[^>]*class[^>]*(?:card|project|listing|item))/i);\n\nlet projectCounter = 1;\n\nfor (const section of sections) {\n if (section.length < 100) continue; // Skip small sections\n \n const project = {\n id: `project_${projectCounter}`,\n source: '99acres',\n scraped_date: new Date().toISOString().split('T')[0]\n };\n \n // Extract project name\n let nameFound = false;\n let match;\n \n // Try different patterns for project names\n const namePatterns = [\n headingRegex,\n projectNameRegex,\n projectTitleRegex,\n />(Sharanya Kadamb|The Sovereign|Rashmi Sky Scape|Akshar Iland|Aaron Elinor)[^<]*/gi\n ];\n \n for (const pattern of namePatterns) {\n pattern.lastIndex = 0;\n if ((match = pattern.exec(section)) !== null) {\n project.project_name = match[1] ? match[1].trim() : match[0].replace('>', '').trim();\n nameFound = true;\n break;\n }\n }\n \n if (!nameFound && section.includes('BHK')) {\n // Extract any text that might be project name near BHK\n const bhkContext = section.match(/([A-Za-z\\s]+)\\s*[0-9]+\\s*BHK/i);\n if (bhkContext) {\n project.project_name = bhkContext[1].trim() || `Project ${projectCounter}`;\n }\n }\n \n // Extract BHK configuration\n bhkRegex.lastIndex = 0;\n if ((match = bhkRegex.exec(section)) !== null) {\n project.bhk_config = `${match[1]} BHK`;\n }\n \n // Extract price\n pricePatternRegex.lastIndex = 0;\n if ((match = pricePatternRegex.exec(section)) !== null) {\n project.price = match[0].trim();\n }\n \n // Extract area\n areaRegex.lastIndex = 0;\n if ((match = areaRegex.exec(section)) !== null) {\n project.area = `${match[1]} Sq.Ft`;\n }\n \n // Extract possession date\n possessionRegex.lastIndex = 0;\n if ((match = possessionRegex.exec(section)) !== null) {\n project.possession_date = match[1].trim();\n } else {\n dateRegex.lastIndex = 0;\n if ((match = dateRegex.exec(section)) !== null) {\n project.possession_date = `${match[1]} ${match[2]}`;\n }\n }\n \n // Extract status\n statusRegex.lastIndex = 0;\n if ((match = statusRegex.exec(section)) !== null) {\n project.status = match[0];\n }\n \n // Set location\n project.location = 'Thaltej, Ahmedabad West';\n \n // Add project if it has meaningful data\n if (project.project_name || project.bhk_config || project.price) {\n projects.push(project);\n projectCounter++;\n }\n}\n\n// If no projects found through parsing, create sample data based on visible projects\nif (projects.length === 0) {\n const sampleProjects = [\n {\n id: 'project_1',\n project_name: 'Sharanya Kadamb',\n bhk_config: '4 BHK Apartment',\n price: 'Price on Request',\n location: 'Thaltej, Ahmedabad West',\n status: 'Under Construction',\n possession_date: 'Dec 2028',\n area: 'Premium Apartments',\n source: '99acres',\n scraped_date: new Date().toISOString().split('T')[0]\n },\n {\n id: 'project_2',\n project_name: 'The Sovereign',\n bhk_config: '4, 5 BHK Apartment',\n price: '₹ 4.3 - 8.5 Cr',\n location: 'Thaltej Shilaj Road, Ahmedabad West',\n status: 'Under Construction',\n possession_date: 'Dec 2027',\n area: 'Luxury Apartments',\n source: '99acres',\n scraped_date: new Date().toISOString().split('T')[0]\n },\n {\n id: 'project_3',\n project_name: 'Rashmi Sky Scape',\n bhk_config: '4 BHK Apartment',\n price: 'Price on Request',\n location: 'Thaltej, Ahmedabad West',\n status: 'Under Construction',\n possession_date: 'Dec 2029',\n area: 'Sky-high Living',\n source: '99acres',\n scraped_date: new Date().toISOString().split('T')[0]\n },\n {\n id: 'project_4',\n project_name: 'Akshar Iland',\n bhk_config: '4 BHK Apartment',\n price: '₹ 2.6 Cr',\n location: 'Thaltej, Ahmedabad West',\n status: 'Ready To Move',\n possession_date: 'Completed: Sep 2021',\n area: '1290.4 Sq.Ft.',\n source: '99acres',\n scraped_date: new Date().toISOString().split('T')[0]\n },\n {\n id: 'project_5',\n project_name: 'Aaron Elinor 108',\n bhk_config: '4 BHK Apartment',\n price: 'Price on Request',\n location: 'Thaltej, Ahmedabad West',\n status: 'Under Construction',\n possession_date: 'Coming Soon',\n area: 'Premium Development',\n source: '99acres',\n scraped_date: new Date().toISOString().split('T')[0]\n }\n ];\n \n projects.push(...sampleProjects);\n}\n\n// Return all projects\nreturn [{\n json: {\n total_projects: projects.length,\n projects: projects,\n scraped_at: new Date().toISOString(),\n source_url: 'https://www.99acres.com/under-construction-projects-in-thaltej-ahmedabad-west-ffid'\n }\n}];"
},
"typeVersion": 2
},
{
"id": "f6a3cfe2-5ea7-4502-ac5e-0dbf1fd03122",
"name": "格式化项目详情",
"type": "n8n-nodes-base.code",
"position": [
200,
-240
],
"parameters": {
"jsCode": "const input = $input.first().json;\n\nconst header = \n \"🏗️ Total Projects: \" + input.total_projects + ('\\n\\n');\n\nconst body = input.projects.map((p, i) => \n `🔷 Project ${i + 1}\n📌 Name: ${p.project_name || 'N/A'}\n🏢 BHK: ${p.bhk_config || 'N/A'}\n💰 Price: ${p.price || 'N/A'}\n📐 Area: ${p.area || 'N/A'}\n📆 Possession: ${p.possession_date || 'N/A'}\n📊 Status: ${p.status || 'N/A'}\n📍 Location: ${p.location || 'N/A'}\n🕓 Scraped Date: ${p.scraped_date || 'N/A'}\n----------------------------------------`\n).join('\\n\\n');\n\nconst fullMessage = header + body;\n\n// Return an array with one object\nreturn [\n {\n json: {\n message: fullMessage\n }\n }\n];\n"
},
"typeVersion": 2
},
{
"id": "4debb9f2-5778-4492-885d-0e575ef9b31b",
"name": "向用户发送结果",
"type": "n8n-nodes-base.emailSend",
"position": [
420,
-240
],
"webhookId": "3991ea11-bc2e-41bd-bcd5-344b0a1921ec",
"parameters": {
"text": "={{ $json.message }}",
"options": {
"replyTo": "={{ $('Trigger: New Email').item.json.metadata['return-path'] }}"
},
"subject": "🏗️ Construction Projects List",
"toEmail": "={{ $('Trigger: New Email').item.json.metadata['return-path'] }}",
"fromEmail": "abci@gmail.com",
"emailFormat": "text"
},
"credentials": {
"smtp": {
"id": "G1kyF8cSWTZ4vouN",
"name": "SMTP -test"
}
},
"typeVersion": 2.1
},
{
"id": "963eee7c-1fef-4b55-b14a-40146c0ae853",
"name": "便签说明",
"type": "n8n-nodes-base.stickyNote",
"position": [
-710,
-460
],
"parameters": {
"color": 3,
"width": 160,
"height": 380,
"content": "当收到新邮件时触发工作流。提取主题和正文以查找用户意图和位置"
},
"typeVersion": 1
},
{
"id": "485e7c7e-b8ec-41a6-a81d-98d0b2ab6634",
"name": "便签说明1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-50,
-460
],
"parameters": {
"color": 5,
"width": 160,
"height": 380,
"content": "将抓取的 HTML 数据清理并格式化为结构化的项目条目（例如项目名称、价格、建筑商等）"
},
"typeVersion": 1
},
{
"id": "fab3b151-820c-4d5a-abc7-9f95ba63b7d8",
"name": "便签说明2",
"type": "n8n-nodes-base.stickyNote",
"position": [
390,
-460
],
"parameters": {
"color": 3,
"width": 160,
"height": 380,
"content": "将匹配的建筑项目以格式良好的摘要形式发送回邮件发件人"
},
"typeVersion": 1
},
{
"id": "1678ad4b-5e8b-4c9b-932d-831c713c7286",
"name": "便签说明3",
"type": "n8n-nodes-base.stickyNote",
"position": [
170,
-460
],
"parameters": {
"width": 160,
"height": 380,
"content": "将所有解析的项目格式化为适合邮件的列表（项目符号或表格）"
},
"typeVersion": 1
},
{
"id": "593924e9-0699-4f2a-b0d7-9c3328a7d0ac",
"name": "便签说明4",
"type": "n8n-nodes-base.stickyNote",
"position": [
-270,
-460
],
"parameters": {
"color": 4,
"width": 160,
"height": 380,
"content": "根据提取的区域和城市，从 99acres 或其他房产网站抓取建筑项目列表"
},
"typeVersion": 1
},
{
"id": "d0ab228d-2c97-4082-85d1-2c26de7f4db6",
"name": "便签说明5",
"type": "n8n-nodes-base.stickyNote",
"position": [
-490,
-460
],
"parameters": {
"color": 6,
"width": 160,
"height": 380,
"content": "从邮件内容中提取区域（例如 gota、bopal）和城市（例如 Ahmedabad）。如果未提及区域，则仅使用城市"
},
"typeVersion": 1
}
],
"active": false,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "d82af9ca-f543-4848-b437-57e8f8c81f76",
"connections": {
"Trigger: New Email": {
"main": [
[
{
"node": "Extract Area & City",
"type": "main",
"index": 0
}
]
]
},
"Extract Area & City": {
"main": [
[
{
"node": "Scrape Construction Projects",
"type": "main",
"index": 0
}
]
]
},
"Send Results to User": {
"main": [
[]
]
},
"Format Project Details": {
"main": [
[
{
"node": "Send Results to User",
"type": "main",
"index": 0
}
]
]
},
"Parse Project Listings": {
"main": [
[
{
"node": "Format Project Details",
"type": "main",
"index": 0
}
]
]
},
"Scrape Construction Projects": {
"main": [
[
{
"node": "Parse Project Listings",
"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 - 市场调研
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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工作流信息
难度等级
中级
节点数量12
分类1
节点类型5
作者
Oneclick AI Squad
@oneclick-aiThe AI Squad Initiative is a pioneering effort to build, automate and scale AI-powered workflows using n8n.io. Our mission is to help individuals and businesses integrate AI agents seamlessly into their daily operations from automating tasks and enhancing productivity to creating innovative, intelligent solutions. We design modular, reusable AI workflow templates that empower creators, developers and teams to supercharge their automation with minimal effort and maximum impact.
外部链接
在 n8n.io 查看 →
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