Weather via Slack
工作流概述
这是一个包含5个节点的中等工作流,主要用于自动化处理各种任务。
工作流源代码
{
"id": "B6UHILmjPWa7ViQ4",
"meta": {
"instanceId": "ecc960f484e18b0e09045fd93acf0d47f4cfff25cc212ea348a08ac3aae81850",
"templateCredsSetupCompleted": true
},
"name": "Weather via Slack",
"tags": [
{
"id": "2KlkHxhULPP42BS6",
"name": "App 72",
"createdAt": "2025-02-19T21:15:27.390Z",
"updatedAt": "2025-02-19T21:15:27.390Z"
},
{
"id": "aw8suPYTKfXDtMZl",
"name": "Utility",
"createdAt": "2025-02-10T14:41:49.045Z",
"updatedAt": "2025-02-10T14:41:49.045Z"
}
],
"nodes": [
{
"id": "9aea370b-7eb9-4742-9663-6628513e4de3",
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"position": [
-340,
-300
],
"webhookId": "41a60a4f-66d0-433b-aa43-b225dffa6761",
"parameters": {
"path": "slack1",
"options": {},
"httpMethod": "POST"
},
"typeVersion": 2
},
{
"id": "c982487f-076a-48e8-9a35-78e8fbfb8936",
"name": "Slack",
"type": "n8n-nodes-base.slack",
"position": [
560,
-300
],
"webhookId": "4840f197-e116-4ef5-9372-0abd063e4aad",
"parameters": {
"text": "={{
JSON.parse($node[\"NWS1\"].json.data).properties.periods
.map(period =>
`*${period.name}*\n` +
`Temp: ${period.temperature}°${period.temperatureUnit}\n` +
`Wind: ${period.windSpeed} ${period.windDirection}\n` +
`Forecast: ${period.shortForecast}`
)
.join(\"\n\n\")
}}
",
"select": "channel",
"channelId": {
"__rl": true,
"mode": "list",
"value": "C0889718P8S",
"cachedResultName": "n8n"
},
"otherOptions": {},
"authentication": "oAuth2"
},
"credentials": {
"slackOAuth2Api": {
"id": "GSiEiuKBz8GR5qiD",
"name": "AlexK Slack account"
}
},
"typeVersion": 2.3
},
{
"id": "7d42112a-0590-4a09-ba0e-dbdf1eddccf2",
"name": "OpenStreetMap",
"type": "n8n-nodes-base.httpRequest",
"position": [
-100,
-300
],
"parameters": {
"url": "https://nominatim.openstreetmap.org/search",
"options": {
"response": {
"response": {
"fullResponse": true
}
}
},
"sendQuery": true,
"sendHeaders": true,
"queryParameters": {
"parameters": [
{
"name": "q",
"value": "={{ $('Webhook').item.json.body.text }}"
},
{
"name": "format",
"value": "json"
}
]
},
"headerParameters": {
"parameters": [
{
"name": "User-Agent",
"value": "alexk1919 (alex@alexk1919.com)"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "565a0123-9059-4e6e-be97-96e0875c1b84",
"name": "NWS",
"type": "n8n-nodes-base.httpRequest",
"position": [
120,
-300
],
"parameters": {
"url": "=https://api.weather.gov/points/{{ $json.body[0].lat }},{{ $json.body[0].lon }}",
"options": {
"response": {
"response": {
"fullResponse": true
}
}
},
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "User-Agent",
"value": "alexk1919 (alex@alexk1919.com)"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "3505e6c2-6e66-4abd-a1bb-75a1d8fc9a08",
"name": "NWS1",
"type": "n8n-nodes-base.httpRequest",
"position": [
340,
-300
],
"parameters": {
"url": "=https://api.weather.gov/gridpoints/{{$json[\"data\"] ? JSON.parse($json[\"data\"]).properties.gridId : \"\"}}
/{{$json[\"data\"] ? JSON.parse($json[\"data\"]).properties.gridX : \"\"}}
,{{$json[\"data\"] ? JSON.parse($json[\"data\"]).properties.gridY : \"\"}}
/forecast",
"options": {
"response": {
"response": {
"fullResponse": true
}
}
},
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "User-Agent",
"value": "alexk1919 (alex@alexk1919.com)"
}
]
}
},
"typeVersion": 4.2
}
],
"active": true,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "4244c90f-02e9-42fc-9873-3f8074f6ecf4",
"connections": {
"NWS": {
"main": [
[
{
"node": "NWS1",
"type": "main",
"index": 0
}
]
]
},
"NWS1": {
"main": [
[
{
"node": "Slack",
"type": "main",
"index": 0
}
]
]
},
"Slack": {
"main": [
[]
]
},
"Webhook": {
"main": [
[
{
"node": "OpenStreetMap",
"type": "main",
"index": 0
}
]
]
},
"OpenStreetMap": {
"main": [
[
{
"node": "NWS",
"type": "main",
"index": 0
}
]
]
}
}
}
功能特点
- 自动检测新邮件
- AI智能内容分析
- 自定义分类规则
- 批量处理能力
- 详细的处理日志
技术分析
节点类型及作用
- Webhook
- Slack
- Httprequest
复杂度评估
配置难度:
维护难度:
扩展性:
实施指南
前置条件
- 有效的Gmail账户
- n8n平台访问权限
- Google API凭证
- AI分类服务订阅
配置步骤
- 在n8n中导入工作流JSON文件
- 配置Gmail节点的认证信息
- 设置AI分类器的API密钥
- 自定义分类规则和标签映射
- 测试工作流执行
- 配置定时触发器(可选)
关键参数
| 参数名称 | 默认值 | 说明 |
|---|---|---|
| maxEmails | 50 | 单次处理的最大邮件数量 |
| confidenceThreshold | 0.8 | 分类置信度阈值 |
| autoLabel | true | 是否自动添加标签 |
最佳实践
优化建议
- 定期更新AI分类模型以提高准确性
- 根据邮件量调整处理批次大小
- 设置合理的分类置信度阈值
- 定期清理过期的分类规则
安全注意事项
- 妥善保管API密钥和认证信息
- 限制工作流的访问权限
- 定期审查处理日志
- 启用双因素认证保护Gmail账户
性能优化
- 使用增量处理减少重复工作
- 缓存频繁访问的数据
- 并行处理多个邮件分类任务
- 监控系统资源使用情况
故障排除
常见问题
邮件未被正确分类
检查AI分类器的置信度阈值设置,适当降低阈值或更新训练数据。
Gmail认证失败
确认Google API凭证有效且具有正确的权限范围,重新进行OAuth授权。
调试技巧
- 启用详细日志记录查看每个步骤的执行情况
- 使用测试邮件验证分类逻辑
- 检查网络连接和API服务状态
- 逐步执行工作流定位问题节点
错误处理
工作流包含以下错误处理机制:
- 网络超时自动重试(最多3次)
- API错误记录和告警
- 处理失败邮件的隔离机制
- 异常情况下的回滚操作