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n8n 中文网amn8n.com

HN招聘信息抓取

高级

这是一个HR, AI领域的自动化工作流，包含 20 个节点。主要使用 Set, Code, Limit, Filter, Airtable 等节点，结合人工智能技术实现智能自动化。 Hacker News招聘信息抓取和解析

前置要求
  • •Airtable API Key
  • •可能需要目标 API 的认证凭证
  • •OpenAI API Key

使用的节点 (20)

Set
Code
Limit
Filter
Airtable
SplitOut
StickyNote
HttpRequest
ManualTrigger
ChainLlm
LmChatOpenAi
OutputParserStructured

分类

人力资源
人工智能
工作流预览
可视化展示节点连接关系，支持缩放和平移
React Flow
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": "0JsHmmyeHw5Ffz5m",
  "meta": {
    "instanceId": "d4d7965840e96e50a3e02959a8487c692901dfa8d5cc294134442c67ce1622d3",
    "templateCredsSetupCompleted": true
  },
  "name": "HN招聘信息抓取",
  "tags": [],
  "nodes": [
    {
      "id": "f7cdb3ee-9bb0-4006-829a-d4ce797191d5",
      "name": "当点击\"测试工作流\"时",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        -20,
        -220
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "0475e25d-9bf4-450d-abd3-a04608a438a4",
      "name": "便签",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        60,
        -620
      ],
      "parameters": {
        "width": 460,
        "height": 340,
        "content": "## 访问 https://hn.algolia.com"
      },
      "typeVersion": 1
    },
    {
      "id": "a686852b-ff84-430b-92bb-ce02a6808e19",
      "name": "拆分输出",
      "type": "n8n-nodes-base.splitOut",
      "position": [
        400,
        -220
      ],
      "parameters": {
        "options": {},
        "fieldToSplitOut": "hits"
      },
      "typeVersion": 1
    },
    {
      "id": "cdaaa738-d561-4fa0-b2c7-8ea9e6778eb1",
      "name": "便签1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1260,
        -620
      ],
      "parameters": {
        "width": 500,
        "height": 340,
        "content": "## 访问HN API"
      },
      "typeVersion": 1
    },
    {
      "id": "4f353598-9e32-4be4-9e7b-c89cc05305fd",
      "name": "OpenAI 聊天模型",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        2680,
        -20
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini"
        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "Fbb2ueT0XP5xMRme",
          "name": "OpenAi account 2"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "5bd0d7cc-497a-497c-aa4c-589d9ceeca14",
      "name": "结构化输出解析器",
      "type": "@n8n/n8n-nodes-langchain.outputParserStructured",
      "position": [
        2840,
        -20
      ],
      "parameters": {
        "schemaType": "manual",
        "inputSchema": "{\n  \"type\": \"object\",\n  \"properties\": {\n    \"company\": {\n      \"type\": [\n        \"string\",\n        null\n      ],\n      \"description\": \"Name of the hiring company\"\n    },\n    \"title\": {\n      \"type\": [\n        \"string\",\n        null\n      ],\n      \"description\": \"Job title/role being advertised\"\n    },\n    \"location\": {\n      \"type\": [\n        \"string\",\n        null\n      ],\n      \"description\": \"Work location including remote/hybrid status\"\n    },\n    \"type\": {\n      \"type\": [\n        \"string\",\n        null\n      ],\n      \"enum\": [\n        \"FULL_TIME\",\n        \"PART_TIME\",\n        \"CONTRACT\",\n        \"INTERNSHIP\",\n        \"FREELANCE\",\n        null\n      ],\n      \"description\": \"Employment type (Full-time, Contract, etc)\"\n    },\n    \"work_location\": {\n      \"type\": [\n        \"string\",\n        null\n      ],\n      \"enum\": [\n        \"REMOTE\",\n        \"HYBRID\",\n        \"ON_SITE\",\n        null\n      ],\n      \"description\": \"Work arrangement type\"\n    },\n    \"salary\": {\n      \"type\": [\n        \"string\",\n        null\n      ],\n      \"description\": \"Compensation details if provided\"\n    },\n    \"description\": {\n      \"type\": [\n        \"string\",\n        null\n      ],\n      \"description\": \"Main job description text including requirements and team info\"\n    },\n    \"apply_url\": {\n      \"type\": [\n        \"string\",\n        null\n      ],\n      \"description\": \"Direct application/job posting URL\"\n    },\n    \"company_url\": {\n      \"type\": [\n        \"string\",\n        null\n      ],\n      \"description\": \"Company website or careers page\"\n    }\n  }\n}\n"
      },
      "typeVersion": 1.2
    },
    {
      "id": "b84ca004-6f3b-4577-8910-61b8584b161d",
      "name": "搜索“正在招聘”帖子",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        200,
        -220
      ],
      "parameters": {
        "url": "https://uj5wyc0l7x-dsn.algolia.net/1/indexes/Item_dev_sort_date/query",
        "method": "POST",
        "options": {},
        "jsonBody": "{\n  \"query\": \"\\\"Ask HN: Who is hiring\\\"\",\n  \"analyticsTags\": [\n    \"web\"\n  ],\n  \"page\": 0,\n  \"hitsPerPage\": 30,\n  \"minWordSizefor1Typo\": 4,\n  \"minWordSizefor2Typos\": 8,\n  \"advancedSyntax\": true,\n  \"ignorePlurals\": false,\n  \"clickAnalytics\": true,\n  \"minProximity\": 7,\n  \"numericFilters\": [],\n  \"tagFilters\": [\n    [\n      \"story\"\n    ],\n    []\n  ],\n  \"typoTolerance\": \"min\",\n  \"queryType\": \"prefixNone\",\n  \"restrictSearchableAttributes\": [\n    \"title\",\n    \"comment_text\",\n    \"url\",\n    \"story_text\",\n    \"author\"\n  ],\n  \"getRankingInfo\": true\n}",
        "sendBody": true,
        "sendQuery": true,
        "sendHeaders": true,
        "specifyBody": "json",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "queryParameters": {
          "parameters": [
            {
              "name": "x-algolia-agent",
              "value": "Algolia for JavaScript (4.13.1); Browser (lite)"
            },
            {
              "name": "x-algolia-application-id",
              "value": "UJ5WYC0L7X"
            }
          ]
        },
        "headerParameters": {
          "parameters": [
            {
              "name": "Accept",
              "value": "*/*"
            },
            {
              "name": "Accept-Language",
              "value": "en-GB,en-US;q=0.9,en;q=0.8"
            },
            {
              "name": "Connection",
              "value": "keep-alive"
            },
            {
              "name": "DNT",
              "value": "1"
            },
            {
              "name": "Origin",
              "value": "https://hn.algolia.com"
            },
            {
              "name": "Referer",
              "value": "https://hn.algolia.com/"
            },
            {
              "name": "Sec-Fetch-Dest",
              "value": "empty"
            },
            {
              "name": "Sec-Fetch-Mode",
              "value": "cors"
            },
            {
              "name": "Sec-Fetch-Site",
              "value": "cross-site"
            },
            {
              "name": "User-Agent",
              "value": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36"
            },
            {
              "name": "sec-ch-ua",
              "value": "\"Chromium\";v=\"133\", \"Not(A:Brand\";v=\"99\""
            },
            {
              "name": "sec-ch-ua-mobile",
              "value": "?0"
            },
            {
              "name": "sec-ch-ua-platform",
              "value": "\"macOS\""
            }
          ]
        }
      },
      "credentials": {
        "httpHeaderAuth": {
          "id": "oVEXp2ZbYCXypMVz",
          "name": "Algolia Auth"
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "205e66f6-cd6b-4cfd-a6ec-2226c35ddaac",
      "name": "获取相关数据",
      "type": "n8n-nodes-base.set",
      "position": [
        700,
        -220
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "73dd2325-faa7-4650-bd78-5fc97cc202de",
              "name": "title",
              "type": "string",
              "value": "={{ $json.title }}"
            },
            {
              "id": "44918eac-4510-440e-9ac0-bf14d2b2f3af",
              "name": "createdAt",
              "type": "string",
              "value": "={{ $json.created_at }}"
            },
            {
              "id": "00eb6f09-2c22-411c-949c-886b2d95b6eb",
              "name": "updatedAt",
              "type": "string",
              "value": "={{ $json.updated_at }}"
            },
            {
              "id": "2b4f9da6-f60e-46e0-ba9d-3242fa955a55",
              "name": "storyId",
              "type": "string",
              "value": "={{ $json.story_id }}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "16bc5628-8a29-4eac-8be9-b4e9da802e1e",
      "name": "获取最新帖子",
      "type": "n8n-nodes-base.filter",
      "position": [
        900,
        -220
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "d7dd7175-2a50-45aa-bd3e-4c248c9193c4",
              "operator": {
                "type": "dateTime",
                "operation": "after"
              },
              "leftValue": "={{ $json.createdAt }}",
              "rightValue": "={{$now.minus({days: 30})}} "
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "92e1ef74-5ae1-4195-840b-115184db464f",
      "name": "分离子项（职位）",
      "type": "n8n-nodes-base.splitOut",
      "position": [
        1460,
        -220
      ],
      "parameters": {
        "options": {},
        "fieldToSplitOut": "kids"
      },
      "typeVersion": 1
    },
    {
      "id": "d0836aae-b98a-497f-a6f7-0ad563c262a0",
      "name": "转换为结构化数据",
      "type": "@n8n/n8n-nodes-langchain.chainLlm",
      "position": [
        2600,
        -220
      ],
      "parameters": {
        "text": "={{ $json.cleaned_text }}",
        "messages": {
          "messageValues": [
            {
              "message": "Extract the JSON data"
            }
          ]
        },
        "promptType": "define",
        "hasOutputParser": true
      },
      "typeVersion": 1.5
    },
    {
      "id": "fd818a93-627c-435d-91ba-5d759d5a9004",
      "name": "便签2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        2600,
        -620
      ],
      "parameters": {
        "width": 840,
        "height": 340,
        "content": "## 数据结构"
      },
      "typeVersion": 1
    },
    {
      "id": "b70c5578-5b81-467a-8ac2-65374e4e52f3",
      "name": "提取文本",
      "type": "n8n-nodes-base.set",
      "position": [
        1860,
        -220
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "6affa370-56ce-4ad8-8534-8f753fdf07fc",
              "name": "text",
              "type": "string",
              "value": "={{ $json.text }}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "acb68d88-9417-42e9-9bcc-7c2fa95c4afd",
      "name": "清理文本",
      "type": "n8n-nodes-base.code",
      "position": [
        2060,
        -220
      ],
      "parameters": {
        "jsCode": "// In a Function node in n8n\nconst inputData = $input.all();\n\nfunction cleanAllPosts(data) {\n    return data.map(item => {\n        try {\n            // Check if item exists and has the expected structure\n            if (!item || typeof item !== 'object') {\n                return { cleaned_text: '', error: 'Invalid item structure' };\n            }\n\n            // Get the text, with multiple fallbacks\n            let text = '';\n            if (typeof item === 'string') {\n                text = item;\n            } else if (item.json && item.json.text) {\n                text = item.json.text;\n            } else if (typeof item.json === 'string') {\n                text = item.json;\n            } else {\n                text = JSON.stringify(item);\n            }\n\n            // Make sure text is a string\n            text = String(text);\n            \n            // Perform the cleaning operations\n            try {\n                text = text.replace(/&#x2F;/g, '/');\n                text = text.replace(/&#x27;/g, \"'\");\n                text = text.replace(/&\\w+;/g, ' ');\n                text = text.replace(/<[^>]*>/g, '');\n                text = text.replace(/\\|\\s*/g, '| ');\n                text = text.replace(/\\s+/g, ' ');\n                text = text.replace(/\\s*(https?:\\/\\/[^\\s]+)\\s*/g, '\\n$1\\n');\n                text = text.replace(/\\n{3,}/g, '\\n\\n');\n                text = text.trim();\n            } catch (cleaningError) {\n                console.log('Error during text cleaning:', cleaningError);\n                // Return original text if cleaning fails\n                return { cleaned_text: text, warning: 'Partial cleaning applied' };\n            }\n\n            return { cleaned_text: text };\n            \n        } catch (error) {\n            console.log('Error processing item:', error);\n            return { \n                cleaned_text: '', \n                error: `Processing error: ${error.message}`,\n                original: item\n            };\n        }\n    }).filter(result => result.cleaned_text || result.error); \n}\n\ntry {\n    return cleanAllPosts(inputData);\n} catch (error) {\n    console.log('Fatal error:', error);\n    return [{ \n        cleaned_text: '', \n        error: `Fatal error: ${error.message}`,\n        input: inputData \n    }];\n}\n"
      },
      "typeVersion": 2
    },
    {
      "id": "a0727b55-565d-47c0-9ab5-0f001f4b9941",
      "name": "测试限制（可选）",
      "type": "n8n-nodes-base.limit",
      "position": [
        2280,
        -220
      ],
      "parameters": {
        "maxItems": 5
      },
      "typeVersion": 1
    },
    {
      "id": "650baf5e-c2ac-443d-8a2b-6df89717186f",
      "name": "便签3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        580,
        -620
      ],
      "parameters": {
        "width": 540,
        "height": 340,
        "content": "## 清理结果"
      },
      "typeVersion": 1
    },
    {
      "id": "1ca5c39f-f21d-455a-b63a-702e7e3ba02b",
      "name": "将结果写入 Airtable",
      "type": "n8n-nodes-base.airtable",
      "position": [
        3040,
        -220
      ],
      "parameters": {
        "base": {
          "__rl": true,
          "mode": "list",
          "value": "appM2JWvA5AstsGdn",
          "cachedResultUrl": "https://airtable.com/appM2JWvA5AstsGdn",
          "cachedResultName": "HN Who is hiring?"
        },
        "table": {
          "__rl": true,
          "mode": "list",
          "value": "tblGvcOjqbliwM7AS",
          "cachedResultUrl": "https://airtable.com/appM2JWvA5AstsGdn/tblGvcOjqbliwM7AS",
          "cachedResultName": "Table 1"
        },
        "columns": {
          "value": {
            "type": "={{ $json.output.type }}",
            "title": "={{ $json.output.title }}",
            "salary": "={{ $json.output.salary }}",
            "company": "={{ $json.output.company }}",
            "location": "={{ $json.output.location }}",
            "apply_url": "={{ $json.output.apply_url }}",
            "company_url": "={{ $json.output.company_url }}",
            "description": "={{ $json.output.description }}"
          },
          "schema": [
            {
              "id": "title",
              "type": "string",
              "display": true,
              "removed": false,
              "readOnly": false,
              "required": false,
              "displayName": "title",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "company",
              "type": "string",
              "display": true,
              "removed": false,
              "readOnly": false,
              "required": false,
              "displayName": "company",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "location",
              "type": "string",
              "display": true,
              "removed": false,
              "readOnly": false,
              "required": false,
              "displayName": "location",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "type",
              "type": "string",
              "display": true,
              "removed": false,
              "readOnly": false,
              "required": false,
              "displayName": "type",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "salary",
              "type": "string",
              "display": true,
              "removed": false,
              "readOnly": false,
              "required": false,
              "displayName": "salary",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "description",
              "type": "string",
              "display": true,
              "removed": false,
              "readOnly": false,
              "required": false,
              "displayName": "description",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "apply_url",
              "type": "string",
              "display": true,
              "removed": false,
              "readOnly": false,
              "required": false,
              "displayName": "apply_url",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "company_url",
              "type": "string",
              "display": true,
              "removed": false,
              "readOnly": false,
              "required": false,
              "displayName": "company_url",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "posted_date",
              "type": "string",
              "display": true,
              "removed": true,
              "readOnly": false,
              "required": false,
              "displayName": "posted_date",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            }
          ],
          "mappingMode": "defineBelow",
          "matchingColumns": [],
          "attemptToConvertTypes": false,
          "convertFieldsToString": false
        },
        "options": {},
        "operation": "create"
      },
      "credentials": {
        "airtableTokenApi": {
          "id": "IudXLNj7CDuc5M5a",
          "name": "Airtable Personal Access Token account"
        }
      },
      "typeVersion": 2.1
    },
    {
      "id": "d71fa024-86a0-4f74-b033-1f755574080c",
      "name": "便签说明4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -520,
        -300
      ],
      "parameters": {
        "width": 380,
        "height": 500,
        "content": "## Hacker News - 招聘信息抓取"
      },
      "typeVersion": 1
    },
    {
      "id": "7466fb0c-9f0c-4adf-a6de-b2cf09032719",
      "name": "HI API：获取单个职位发布",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        1660,
        -220
      ],
      "parameters": {
        "url": "=https://hacker-news.firebaseio.com/v0/item/{{ $json.kids }}.json?print=pretty",
        "options": {}
      },
      "typeVersion": 4.2
    },
    {
      "id": "184abccf-5838-49bf-9922-e0300c6b145e",
      "name": "HN API：获取主帖子",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        1260,
        -220
      ],
      "parameters": {
        "url": "=https://hacker-news.firebaseio.com/v0/item/{{ $json.storyId }}.json?print=pretty",
        "options": {}
      },
      "typeVersion": 4.2
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "387f7084-58fa-4643-9351-73c870d3f028",
  "connections": {
    "Split Out": {
      "main": [
        [
          {
            "node": "Get relevant data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Clean text": {
      "main": [
        [
          {
            "node": "Limit for testing (optional)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Extract text": {
      "main": [
        [
          {
            "node": "Clean text",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get latest post": {
      "main": [
        [
          {
            "node": "HN API: Get Main Post",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get relevant data": {
      "main": [
        [
          {
            "node": "Get latest post",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "Trun into structured data",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "HN API: Get Main Post": {
      "main": [
        [
          {
            "node": "Split out children (jobs)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Structured Output Parser": {
      "ai_outputParser": [
        [
          {
            "node": "Trun into structured data",
            "type": "ai_outputParser",
            "index": 0
          }
        ]
      ]
    },
    "Split out children (jobs)": {
      "main": [
        [
          {
            "node": "HI API: Get the individual job post",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Trun into structured data": {
      "main": [
        [
          {
            "node": "Write results to airtable",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Limit for testing (optional)": {
      "main": [
        [
          {
            "node": "Trun into structured data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Search for Who is hiring posts": {
      "main": [
        [
          {
            "node": "Split Out",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "When clicking ‘Test workflow’": {
      "main": [
        [
          {
            "node": "Search for Who is hiring posts",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "HI API: Get the individual job post": {
      "main": [
        [
          {
            "node": "Extract text",
            "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 - 人力资源, 人工智能

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
高级
节点数量20
分类2
节点类型12
难度说明

适合高级用户，包含 16+ 个节点的复杂工作流

作者
Julian Kaiser

Julian Kaiser

@jksr

Full Stack Developer turned AI & Automation Engineer, implementing intelligent solutions with custom code, LLMs & n8n. Use my link to book a consultation on automating your business processes.

外部链接
在 n8n.io 查看 →

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