Image Generation API
工作流概述
这是一个包含7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": "wDD4XugmHIvx3KMT",
"meta": {
"instanceId": "149cdf730f0c143663259ddc6124c9c26e824d8d2d059973b871074cf4bda531"
},
"name": "Image Generation API",
"tags": [],
"nodes": [
{
"id": "d743f947-ad45-4e59-97d4-79b98eaddedb",
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"position": [
260,
-20
],
"webhookId": "970dd3c6-de83-46fd-9038-33c470571390",
"parameters": {
"path": "970dd3c6-de83-46fd-9038-33c470571390",
"options": {},
"responseMode": "responseNode"
},
"typeVersion": 1.1
},
{
"id": "832e993e-69e9-475b-8322-776d88da0440",
"name": "Respond to Webhook",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
1400,
-20
],
"parameters": {
"options": {},
"respondWith": "binary"
},
"typeVersion": 1
},
{
"id": "53044a93-375f-48f2-971d-bf765bcdb7a0",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
180,
-120
],
"parameters": {
"width": 301.7420425026802,
"height": 260.80333469825376,
"content": "## Webhook Trigger
**This Node starts listening to requests to the Webhook URL**
"
},
"typeVersion": 1
},
{
"id": "c7b3b04e-903b-4d7c-bbf1-2bc2f1b1a426",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
180,
-460
],
"parameters": {
"width": 469.32758643852594,
"height": 297.34454352637044,
"content": "## Creating your Prompt-URL
**To use this Workflow you need to append your prompt to your Webhook URL in the following way**
1. Take your Webhook URL
2. Ideate a Prompt and Replace every Space (\" \") by %20 (Url Encoding)
3. Append \"?input=\" and right after that your encoded prompt to your url
4. Copy paste this into a webbrowser as soon as you run the Webhook"
},
"typeVersion": 1
},
{
"id": "473ff6e5-441a-4706-86a4-190936cc6ac1",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
540,
-54.959833265087354
],
"parameters": {
"width": 522.2493371551094,
"height": 109.59833265087394,
"content": "## Starting the Workflow
**To start the workflow paste the encoded URL into your webbrowser**
"
},
"typeVersion": 1
},
{
"id": "e8874f52-ef7e-4aea-be5b-81e3276da3d2",
"name": "OpenAI",
"type": "@n8n/n8n-nodes-langchain.openAi",
"position": [
1120,
-20
],
"parameters": {
"prompt": "={{ $json.query.input }}",
"options": {},
"resource": "image"
},
"typeVersion": 1.1
},
{
"id": "08c073a6-e01e-4b04-8051-502c918998c4",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
1280,
-120
],
"parameters": {
"width": 329.4629595446998,
"height": 278.4439182704484,
"content": "## Response
**Watch the image being rendered in your webbrowser**
"
},
"typeVersion": 1
}
],
"active": false,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "19f7e652-5417-4b02-a1f5-8796bbac25c3",
"connections": {
"OpenAI": {
"main": [
[
{
"node": "Respond to Webhook",
"type": "main",
"index": 0
}
]
]
},
"Webhook": {
"main": [
[
{
"node": "OpenAI",
"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
- Respondtowebhook
- Stickynote
- @N8N/N8N Nodes Langchain.Openai
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