General 3D Presentation
工作流概述
这是一个包含15个节点的复杂工作流，主要用于自动化处理各种任务。
工作流源代码
{
"id": "vpZ1wpsniCvKYjCF",
"meta": {
"instanceId": "1e003a7ea4715b6b35e9947791386a7d07edf3b5bf8d4c9b7ee4fdcbec0447d7"
},
"name": "General 3D Presentation",
"tags": [],
"nodes": [
{
"id": "629ef84e-ffb7-4143-b0af-764bcb86a7fa",
"name": "When clicking ‘Test workflow’",
"type": "n8n-nodes-base.manualTrigger",
"position": [
360,
40
],
"parameters": {},
"typeVersion": 1
},
{
"id": "d2751dcb-fd03-4a87-a501-43f701d2704a",
"name": "Prompt",
"type": "n8n-nodes-base.httpRequest",
"position": [
580,
40
],
"parameters": {
"url": "https://api.piapi.ai/api/v1/task",
"method": "POST",
"options": {},
"jsonBody": "{
\"model\": \"midjourney\",
\"task_type\": \"imagine\",
\"input\": {
\"prompt\": \"A blind box character design, in the chibi style, a super cute little girl wearing a white long-sleeved dress and pearl earrings with her head bowed in a prayer pose, facing upwards, wearing an oversized off-white dress with large round pearls on the shoulders, minimalist simple dress with Ruffles, against a beige background, a full-body shot in a three-quarter profile view, with a black, blue, and gray color scheme, soft lighting, 3D rendering, clay material, high detail, in the Pixar style. Clean white skin, brown renaissance braided bun. --ar 1:1 --niji 6\",
\"aspect_ratio\": \"2:3\",
\"process_mode\": \"turbo\",
\"skip_prompt_check\": false
}
}",
"sendBody": true,
"sendHeaders": true,
"specifyBody": "json",
"headerParameters": {
"parameters": [
{
"name": "x-api-key"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "f3f4b801-4b2b-49bf-a9be-1f38e62720ac",
"name": "Midjourney Generator",
"type": "n8n-nodes-base.httpRequest",
"position": [
400,
280
],
"parameters": {
"url": "=https://api.piapi.ai/api/v1/task/{{ $json.data.task_id }}",
"options": {},
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "x-api-key"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "a7ecf5f5-73fd-4d5b-b851-568dde2e797a",
"name": "GPT-4o Image Generator",
"type": "n8n-nodes-base.httpRequest",
"position": [
1060,
80
],
"parameters": {
"url": "https://api.piapi.ai/v1/chat/completions",
"method": "POST",
"options": {},
"jsonBody": "={
\"model\": \"gpt-4o-image-preview\",
\"messages\": [
{
\"role\": \"user\",
\"content\": [
{
\"type\": \"image_url\",
\"image_url\": {
\"url\": \"{{ $json.random_temp_url }}\"
}
},
{
\"type\": \"text\",
\"text\": \"Convert this image into a 3D figurine image, with front view, with full details, profile. \"
}
]
}
],
\"stream\": true
}",
"sendBody": true,
"sendHeaders": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"headerParameters": {
"parameters": [
{
"name": "Authorization"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"id": "fsJeCNd9BkJ1CIrt",
"name": "Header Auth account 2"
}
},
"typeVersion": 4.2
},
{
"id": "25de6846-9a45-4cb8-8328-b5cb4e36889d",
"name": "Generate Kling Video",
"type": "n8n-nodes-base.httpRequest",
"position": [
1600,
200
],
"parameters": {
"url": "https://api.piapi.ai/api/v1/task",
"method": "POST",
"options": {},
"jsonBody": "={
\"model\": \"kling\",
\"task_type\": \"video_generation\",
\"input\": {
\"version\": \"1.6\",
\"aspect_ratio\": \"9:16\",
\"image_url\":\"{{ $json.image_url }}\",
\"prompt\": \"An anime character anchored mid-frame, gradually rotating to showcase 3D details\"
}
} ",
"sendBody": true,
"sendHeaders": true,
"specifyBody": "json",
"headerParameters": {
"parameters": [
{
"name": "x-api-key"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "410c252e-4901-4159-b8c2-d9a2fe04371d",
"name": "Get Video URL",
"type": "n8n-nodes-base.httpRequest",
"position": [
1820,
200
],
"parameters": {
"url": "=https://api.piapi.ai/api/v1/task/{{ $json.data.task_id }}",
"options": {},
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "x-api-key",
"value": "72858adea87ad16865d5b0a24c3d9b9f58a6e7b1a8a8a8a0d6b81a9f3a9812f3"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "9a2188d8-8520-485e-99e4-0ff07e4b86e7",
"name": "Wait for Image Generation",
"type": "n8n-nodes-base.wait",
"position": [
620,
520
],
"webhookId": "f3bcf634-8c4b-4bf9-a7f2-d4ee369f5349",
"parameters": {},
"typeVersion": 1.1
},
{
"id": "7f64087a-1567-4c62-a36d-d3b69d933d48",
"name": "Check Generation Status",
"type": "n8n-nodes-base.if",
"position": [
600,
280
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "a0f8758e-d6fd-44f8-bd79-bc3c4dceddcf",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.data.status }}",
"rightValue": "completed"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "838999b7-99f5-4f14-bfe2-4886bd565464",
"name": "Get Image URL of Midjourney",
"type": "n8n-nodes-base.code",
"position": [
840,
80
],
"parameters": {
"jsCode": "// JavaScript Code for Function Node
return {
random_temp_url: $input.all()[0].json.data.output.temporary_image_urls[
Math.floor(Math.random() * $input.all()[0].json.data.output.temporary_image_urls.length)
]
};"
},
"typeVersion": 2
},
{
"id": "09824819-7a6c-4416-ba40-811e9d785678",
"name": "Get Image URL of GPT-4o-image",
"type": "n8n-nodes-base.code",
"position": [
1280,
80
],
"parameters": {
"jsCode": "const chunks = $input.first().json.data.split('\n\n');
let imageUrl = null;
for (let i = chunks.length - 1; i >= 0; i--) {
const chunk = chunks[i];
if (!chunk.startsWith('data: ')) continue;
try {
const jsonStr = chunk.substring(6);
if (jsonStr.trim() === '[DONE]') continue;
const data = JSON.parse(jsonStr);
if (data.choices && data.choices[0].delta.content) {
const content = data.choices[0].delta.content;
const urlMatch = content.match(/!\[.*?\]\((https?:\/\/[^\s]+)\)/);
if (urlMatch && urlMatch[1]) {
imageUrl = urlMatch[1];
break;
}
}
} catch (e) {
continue;
}
}
return {
image_url: imageUrl,
finish_reason: imageUrl ? \"success\" : \"not_found\"
};"
},
"typeVersion": 2
},
{
"id": "22c8f566-6a27-4773-b4ab-45be2fbad8de",
"name": "Check Generation Status of GPT-4o",
"type": "n8n-nodes-base.if",
"position": [
1260,
320
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "08a2ebe6-dc95-4b8a-ada1-1173645cc3f4",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.finish_reason }}",
"rightValue": "not_found"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "00ce5488-e96c-4ff1-8727-ed2d787ae0f5",
"name": "Check Video Generation Status",
"type": "n8n-nodes-base.if",
"position": [
2000,
200
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "f36fa981-22e0-46db-af8c-c2ac55242c27",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.data.status }}",
"rightValue": "completed"
},
{
"id": "637ea756-1ad9-434c-b6b2-b100ee4c3cad",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "6d53cac4-b35b-41b1-b60a-6faba78b4439",
"name": "Wait for Video Generation",
"type": "n8n-nodes-base.wait",
"position": [
1960,
420
],
"webhookId": "c7b2590d-96a3-4c7c-8821-3023fead254b",
"parameters": {
"amount": 20
},
"typeVersion": 1.1
},
{
"id": "4cd00e7b-bfbd-45bc-b775-401055921b45",
"name": "Fetch Final Video URL",
"type": "n8n-nodes-base.code",
"position": [
2300,
300
],
"parameters": {
"jsCode": "// Process the entire response
return {
video_url: $input.all()[0].json.data.output.video_url,
watermark_free_url: $input.all()[0].json.data.output.works[0].video.resource_without_watermark
};"
},
"typeVersion": 2
},
{
"id": "617d6647-4c49-4e7f-91f3-5fd6d5e95fe7",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
340,
-220
],
"parameters": {
"width": 460,
"height": 220,
"content": "## General 3D Presentation
This workflow creates 360° or 180° spinning videos of high-quality 3D models with [PiAPI](https://piapi.ai) API. 🙋
### Required Instruction:
1. Fill in params of Prompt node.
2. Fill in x-api-key in Mijdourney Generator node and Generate Kling Video node, fill in Header Parameters of GPT-4o Image Generator (e.g., Bearer + your X-API-Key)"
},
"typeVersion": 1
}
],
"active": false,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "c6a9b53c-8d6c-4ffa-b95c-e7cf88734cc9",
"connections": {
"Prompt": {
"main": [
[
{
"node": "Midjourney Generator",
"type": "main",
"index": 0
}
]
]
},
"Get Video URL": {
"main": [
[
{
"node": "Check Video Generation Status",
"type": "main",
"index": 0
}
]
]
},
"Generate Kling Video": {
"main": [
[
{
"node": "Get Video URL",
"type": "main",
"index": 0
}
]
]
},
"Midjourney Generator": {
"main": [
[
{
"node": "Check Generation Status",
"type": "main",
"index": 0
}
]
]
},
"GPT-4o Image Generator": {
"main": [
[
{
"node": "Get Image URL of GPT-4o-image",
"type": "main",
"index": 0
}
]
]
},
"Check Generation Status": {
"main": [
[
{
"node": "Get Image URL of Midjourney",
"type": "main",
"index": 0
}
],
[
{
"node": "Wait for Image Generation",
"type": "main",
"index": 0
}
]
]
},
"Wait for Image Generation": {
"main": [
[
{
"node": "Midjourney Generator",
"type": "main",
"index": 0
}
]
]
},
"Wait for Video Generation": {
"main": [
[
{
"node": "Get Video URL",
"type": "main",
"index": 0
}
]
]
},
"Get Image URL of Midjourney": {
"main": [
[
{
"node": "GPT-4o Image Generator",
"type": "main",
"index": 0
}
]
]
},
"Check Video Generation Status": {
"main": [
[
{
"node": "Fetch Final Video URL",
"type": "main",
"index": 0
}
],
[
{
"node": "Wait for Video Generation",
"type": "main",
"index": 0
}
]
]
},
"Get Image URL of GPT-4o-image": {
"main": [
[
{
"node": "Check Generation Status of GPT-4o",
"type": "main",
"index": 0
}
]
]
},
"Check Generation Status of GPT-4o": {
"main": [
[
{
"node": "GPT-4o Image Generator",
"type": "main",
"index": 0
}
],
[
{
"node": "Generate Kling Video",
"type": "main",
"index": 0
}
]
]
},
"When clicking ‘Test workflow’": {
"main": [
[
{
"node": "Prompt",
"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
- Manualtrigger
- Httprequest
- Wait
- If
- Code
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