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网页变更检测与Google套件哈希追踪告警

中级

这是一个Other, IT Ops领域的自动化工作流，包含 14 个节点。主要使用 Set, Html, Gmail, Crypto, Markdown 等节点。 网页变更检测与Google套件哈希追踪告警

前置要求
  • •Google 账号和 Gmail API 凭证
  • •Google Drive API 凭证
  • •可能需要目标 API 的认证凭证
  • •Google Sheets API 凭证

使用的节点 (14)

Set
Html
Gmail
Crypto
Markdown
StickyNote
GoogleDrive
HttpRequest
GoogleSheets
ScheduleTrigger
RemoveDuplicates

分类

其他
IT 运维
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
{
  "meta": {
    "instanceId": "408f9fb9940c3cb18ffdef0e0150fe342d6e655c3a9fac21f0f644e8bedabcd9",
    "templateCredsSetupCompleted": true
  },
  "nodes": [
    {
      "id": "1083afcb-1257-45a3-b331-d93fb8769548",
      "name": "计划触发器",
      "type": "n8n-nodes-base.scheduleTrigger",
      "position": [
        -840,
        0
      ],
      "parameters": {
        "rule": {
          "interval": [
            {}
          ]
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "c3ec0759-a3d1-4866-978a-bfe4f49ee81d",
      "name": "获取内容哈希值",
      "type": "n8n-nodes-base.crypto",
      "position": [
        380,
        0
      ],
      "parameters": {
        "value": "={{ $json.data }}",
        "dataPropertyName": "hash"
      },
      "typeVersion": 1
    },
    {
      "id": "4ad92ad3-6f99-43a5-9a61-374adb3b28f7",
      "name": "变更通知",
      "type": "n8n-nodes-base.gmail",
      "position": [
        1220,
        0
      ],
      "webhookId": "cc4cbee1-ad57-48fb-810a-b21880357ab0",
      "parameters": {
        "sendTo": "jim@example.com",
        "message": "=site: {{ $('Variables').first().json.url }}\ndate: {{ $now.toISO() }}\nhash: {{ $json.hash }}\ncontents: {{ $json.gdrive }}",
        "options": {},
        "subject": "=Change detected for {{ $('Variables').first().json.url }}",
        "emailType": "text"
      },
      "credentials": {
        "gmailOAuth2": {
          "id": "Sf5Gfl9NiFTNXFWb",
          "name": "Gmail account"
        }
      },
      "typeVersion": 2.1
    },
    {
      "id": "9385242a-86b1-4624-ada9-949851b68054",
      "name": "Markdown",
      "type": "n8n-nodes-base.markdown",
      "position": [
        200,
        0
      ],
      "parameters": {
        "html": "={{ $json.content.trim() }}",
        "options": {}
      },
      "typeVersion": 1
    },
    {
      "id": "663b6ba2-cbf9-44ea-a062-f88ccb0640c1",
      "name": "变量",
      "type": "n8n-nodes-base.set",
      "position": [
        -460,
        0
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "fa706ed3-7425-4f0e-9590-d9478b4e6692",
              "name": "url",
              "type": "string",
              "value": "https://x.com/en/tos"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "2ef69fff-4d7a-439a-b317-ea5fa3ce7869",
      "name": "仅新哈希值",
      "type": "n8n-nodes-base.removeDuplicates",
      "position": [
        560,
        0
      ],
      "parameters": {
        "options": {
          "historySize": 1
        },
        "operation": "removeItemsSeenInPreviousExecutions",
        "dedupeValue": "={{ $json.hash }}"
      },
      "typeVersion": 2
    },
    {
      "id": "93e13d80-a26f-408f-be4e-b582ab9fd9bd",
      "name": "日志记录",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        1040,
        0
      ],
      "parameters": {
        "columns": {
          "value": {
            "hash": "={{ $('Get Hash of Contents').first().json.hash }}",
            "gdrive": "=https://drive.google.com/file/d/{{ $json.id }}/view?usp=sharing",
            "website": "={{ $('Variables').first().json.url }}",
            "date of change": "={{ $now.toISO() }}"
          },
          "schema": [
            {
              "id": "website",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "website",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "hash",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "hash",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "date of change",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "date of change",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "gdrive",
              "type": "string",
              "display": true,
              "removed": false,
              "required": false,
              "displayName": "gdrive",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            }
          ],
          "mappingMode": "defineBelow",
          "matchingColumns": [],
          "attemptToConvertTypes": false,
          "convertFieldsToString": false
        },
        "options": {},
        "operation": "append",
        "sheetName": {
          "__rl": true,
          "mode": "list",
          "value": "gid=0",
          "cachedResultUrl": "https://docs.google.com/spreadsheets/d/1K13OBMicH-ebhvJRYo4sHiOuHd1KIX2jiFxBLWy2UOk/edit#gid=0",
          "cachedResultName": "Sheet1"
        },
        "documentId": {
          "__rl": true,
          "mode": "list",
          "value": "1K13OBMicH-ebhvJRYo4sHiOuHd1KIX2jiFxBLWy2UOk",
          "cachedResultUrl": "https://docs.google.com/spreadsheets/d/1K13OBMicH-ebhvJRYo4sHiOuHd1KIX2jiFxBLWy2UOk/edit?usp=drivesdk",
          "cachedResultName": "86. Webpage Changes Tracker"
        }
      },
      "credentials": {
        "googleSheetsOAuth2Api": {
          "id": "XHvC7jIRR8A2TlUl",
          "name": "Google Sheets account"
        }
      },
      "typeVersion": 4.5
    },
    {
      "id": "dea15963-61de-4371-b716-7683e0e703a9",
      "name": "便签",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -540,
        -160
      ],
      "parameters": {
        "color": 7,
        "width": 620,
        "height": 380,
        "content": "## 1. 获取网页内容"
      },
      "typeVersion": 1
    },
    {
      "id": "bcb1c0b1-fc77-4417-a9c0-6299ce8ca33e",
      "name": "便签1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        100,
        -160
      ],
      "parameters": {
        "color": 7,
        "width": 640,
        "height": 400,
        "content": "## 2. 使用哈希检测变更"
      },
      "typeVersion": 1
    },
    {
      "id": "eda51de6-80a2-42b1-83ba-66c551911c45",
      "name": "获取网页",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -280,
        0
      ],
      "parameters": {
        "url": "={{ $json.url }}",
        "options": {},
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "User-Agent",
              "value": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36"
            }
          ]
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "8aa998f1-1558-4b54-a95a-7be9360a819a",
      "name": "提取内容",
      "type": "n8n-nodes-base.html",
      "position": [
        -100,
        0
      ],
      "parameters": {
        "options": {},
        "operation": "extractHtmlContent",
        "extractionValues": {
          "values": [
            {
              "key": "content",
              "cssSelector": ".ct07",
              "returnValue": "html"
            }
          ]
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "ecb60054-563c-4c0b-949c-abdcd3896f6b",
      "name": "便签2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        760,
        -160
      ],
      "parameters": {
        "color": 7,
        "width": 660,
        "height": 400,
        "content": "## 3. 发生变更时通知"
      },
      "typeVersion": 1
    },
    {
      "id": "30774606-5e63-4d73-9894-ba14d5b1fc46",
      "name": "拍摄快照",
      "type": "n8n-nodes-base.googleDrive",
      "position": [
        860,
        0
      ],
      "parameters": {
        "name": "={{\n$('Variables').item.json.url\n  .extractDomain()\n  .replace('.','_')\n  + $json.hash\n  + '.md'\n}}",
        "content": "={{ $json.data }}",
        "driveId": {
          "__rl": true,
          "mode": "list",
          "value": "My Drive"
        },
        "options": {},
        "folderId": {
          "__rl": true,
          "mode": "list",
          "value": "1BbP5HRnjNkCvcDRFFg1bm0sNYBGZM6AU",
          "cachedResultUrl": "https://drive.google.com/drive/folders/1BbP5HRnjNkCvcDRFFg1bm0sNYBGZM6AU",
          "cachedResultName": "86. Monitor Webpage Changes"
        },
        "operation": "createFromText"
      },
      "credentials": {
        "googleDriveOAuth2Api": {
          "id": "yOwz41gMQclOadgu",
          "name": "Google Drive account"
        }
      },
      "typeVersion": 3
    },
    {
      "id": "9ae563ea-49a3-4dcc-9190-8746650018aa",
      "name": "便签3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1040,
        -760
      ],
      "parameters": {
        "width": 440,
        "height": 980,
        "content": "## 试试看"
      },
      "typeVersion": 1
    }
  ],
  "pinData": {},
  "connections": {
    "Markdown": {
      "main": [
        [
          {
            "node": "Get Hash of Contents",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Variables": {
      "main": [
        [
          {
            "node": "Fetch Webpage",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Log Record": {
      "main": [
        [
          {
            "node": "Notify of Change",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Fetch Webpage": {
      "main": [
        [
          {
            "node": "Extract Contents",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Only New Hashes": {
      "main": [
        [
          {
            "node": "Take a Snapshot",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Take a Snapshot": {
      "main": [
        [
          {
            "node": "Log Record",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Extract Contents": {
      "main": [
        [
          {
            "node": "Markdown",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Schedule Trigger": {
      "main": [
        [
          {
            "node": "Variables",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Hash of Contents": {
      "main": [
        [
          {
            "node": "Only New Hashes",
            "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 - 其他, IT 运维

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14
分类2
节点类型11
难度说明

适合有一定经验的用户，包含 6-15 个节点的中等复杂度工作流

作者
Jimleuk

Jimleuk

@jimleuk

Freelance consultant based in the UK specialising in AI-powered automations. I work with select clients tackling their most challenging projects. For business enquiries, send me an email at hello@jimle.uk LinkedIn: https://www.linkedin.com/in/jimleuk/ X/Twitter: https://x.com/jimle_uk

外部链接
在 n8n.io 查看 →

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