表单多文件处理示例
中级
这是一个File Management领域的自动化工作流,包含 10 个节点。主要使用 SplitOut、FormTrigger、ReadWriteFile、SplitInBatches 等节点。 使用表单处理多个文件:二进制数据和循环的教程
前置要求
- •无特殊前置要求,导入即可使用
工作流预览
可视化展示节点连接关系,支持缩放和平移
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": "A2JB4uRp5waIV6yk",
"meta": {
"instanceId": "7fa92e27b5251ec88f2defd7f57845c1dbcc7a04d820567eb23d60c71ce71d01",
"templateCredsSetupCompleted": true
},
"name": "FormLoadFileExample",
"tags": [],
"nodes": [
{
"id": "be53d6d3-2416-482e-a714-4573fed4bfbb",
"name": "遍历项目",
"type": "n8n-nodes-base.splitInBatches",
"position": [
-440,
-460
],
"parameters": {
"options": {}
},
"typeVersion": 3
},
{
"id": "699f5089-7416-414a-8e95-3bdb8637a6d9",
"name": "保存每个文件",
"type": "n8n-nodes-base.readWriteFile",
"position": [
-240,
-400
],
"parameters": {
"options": {
"append": false
},
"fileName": "=out_{{ $json.files.filename }}",
"operation": "write",
"dataPropertyName": "=files_{{$runIndex}}"
},
"typeVersion": 1
},
{
"id": "c8c5f9e6-670b-405b-af1d-72eeb372303e",
"name": "分离文件",
"type": "n8n-nodes-base.splitOut",
"position": [
-780,
-460
],
"parameters": {
"options": {
"includeBinary": true,
"destinationFieldName": "=files"
},
"fieldToSplitOut": "=files"
},
"executeOnce": false,
"typeVersion": 1
},
{
"id": "8f7252ac-4082-49b8-9e56-9d14689ee864",
"name": "表单 - 加载多个文件",
"type": "n8n-nodes-base.formTrigger",
"position": [
-1220,
-460
],
"webhookId": "ff49b14a-c796-47ce-a629-8508182bfc4f",
"parameters": {
"options": {},
"formTitle": "LOAD MULTIPLE FILES",
"formFields": {
"values": [
{
"fieldType": "file",
"fieldLabel": "files",
"requiredField": true,
"acceptFileTypes": "*.json"
}
]
},
"formDescription": "Select multiple json files to run this example."
},
"typeVersion": 2.2
},
{
"id": "72ee0e48-9a75-4c7d-af09-bcd5bbc5b2ba",
"name": "便签",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1400,
-760
],
"parameters": {
"width": 1740,
"height": 140,
"content": "## 学习 n8n"
},
"typeVersion": 1
},
{
"id": "962e91d5-eb75-4245-9dfb-4b13c15cdb0a",
"name": "便签1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1400,
-600
],
"parameters": {
"color": 6,
"width": 480,
"height": 400,
"content": "使用表单加载多个文件。"
},
"typeVersion": 1
},
{
"id": "2aee5134-abc4-45f9-a2db-cf205f18cff7",
"name": "便签2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-900,
-600
],
"parameters": {
"color": 6,
"width": 360,
"height": 400,
"content": "拆分输出将解决此问题,为每个文件触发一个事件。"
},
"typeVersion": 1
},
{
"id": "1ec83469-5dcd-4beb-9414-7f75a0727ed3",
"name": "便签3",
"type": "n8n-nodes-base.stickyNote",
"position": [
-520,
-600
],
"parameters": {
"color": 6,
"width": 460,
"height": 400,
"content": "现在我们可以使用循环逐个处理每个文件。"
},
"typeVersion": 1
},
{
"id": "2545fa3e-346b-4277-b494-f1c2d469dceb",
"name": "继续一次",
"type": "n8n-nodes-base.noOp",
"position": [
60,
-480
],
"parameters": {},
"executeOnce": true,
"typeVersion": 1
},
{
"id": "d1646761-2962-4afb-9033-d13f7d853290",
"name": "便签4",
"type": "n8n-nodes-base.stickyNote",
"position": [
-40,
-600
],
"parameters": {
"color": 6,
"width": 380,
"height": 400,
"content": "我们通常只希望使用单个事件继续下游处理,因此这个设置为\"运行一次\"的 NOP 节点将让我们实现这一点,无论文件数量如何。"
},
"typeVersion": 1
}
],
"active": false,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "21acb21b-3bca-4279-9725-7d4fcd88b25f",
"connections": {
"Continue Once": {
"main": [
[]
]
},
"Save Each File": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"Loop Over Items": {
"main": [
[
{
"node": "Continue Once",
"type": "main",
"index": 0
}
],
[
{
"node": "Save Each File",
"type": "main",
"index": 0
}
]
]
},
"Split Out Files": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"Form - Load Multiple Files": {
"main": [
[
{
"node": "Split Out Files",
"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?
这是一个中级难度的工作流,适用于File Management等场景。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
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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