CSVからJSON変換器（エラーハンドリングとSlack通知）
上級
これはEngineering分野の自動化ワークフローで、18個のノードを含みます。主にIf, Set, Code, Slack, Switchなどのノードを使用。 CSVからJSONへの変換ツール（エラーハンドリングとSlack通知機能付き）
前提条件
- •Slack Bot Token または Webhook URL
- •HTTP Webhookエンドポイント（n8nが自動生成）
- •ターゲットAPIの認証情報が必要な場合あり
カテゴリー
ワークフロープレビュー
ノード接続関係を可視化、ズームとパンをサポート
ワークフローをエクスポート
以下のJSON設定をn8nにインポートして、このワークフローを使用できます
{
"nodes": [
{
"id": "b73fed9b-d56c-4175-a310-8c09ed51acd2",
"name": "付箋ノート1",
"type": "n8n-nodes-base.stickyNote",
"position": [
80,
60
],
"parameters": {
"width": 464,
"height": 303,
"content": "## Testing \n\nTesting can be done with CURL or similar.\n\nFor File posting using Form Data\ncurl -X POST \"https://yoururl.com/webhook-test/tool/csv-to-json\" \\\n -H \"Content-Type: text/csv\" \\\n --data-binary @path/to/your/file.csv\n\n\nThis can also be tested using the Test workflow"
},
"typeVersion": 1
},
{
"id": "6ed4b2cc-444f-44e2-ab91-34337acd7a9b",
"name": "付箋ノート3",
"type": "n8n-nodes-base.stickyNote",
"position": [
1680,
580
],
"parameters": {
"color": 4,
"width": 396,
"height": 256,
"content": "## Response\nWhere possible we will be returning a binary object.\n```\nIf there is an error\n```\n{\n \"status\": \"error\",\n \"data\": \"error message to display\"\n}\n```"
},
"typeVersion": 1
},
{
"id": "4eff962e-e636-4704-835a-672ccd705e16",
"name": "ファイルから抽出",
"type": "n8n-nodes-base.extractFromFile",
"onError": "continueErrorOutput",
"position": [
680,
80
],
"parameters": {
"options": {},
"binaryPropertyName": "data0"
},
"typeVersion": 1
},
{
"id": "ccc66f1e-e000-4048-a492-b80fbf8c8fce",
"name": "エラーレスポンス",
"type": "n8n-nodes-base.respondToWebhook",
"onError": "continueErrorOutput",
"position": [
1900,
900
],
"parameters": {
"options": {
"responseCode": 500
},
"respondWith": "json",
"responseBody": "{\n \"status\": \"error\",\n \"data\": \"There was a problem converting your CSV. Please refresh the page and try again.\"\n}"
},
"typeVersion": 1
},
{
"id": "a7d34aba-6ded-4cc8-8866-7d4aa6ae3255",
"name": "成功レスポンス",
"type": "n8n-nodes-base.respondToWebhook",
"onError": "continueErrorOutput",
"position": [
1920,
220
],
"parameters": {
"options": {
"responseCode": 200
},
"respondWith": "json",
"responseBody": "={\n \"status\": \"OK\",\n \"data\": {{ JSON.stringify($json.jsondata) }}\n}"
},
"typeVersion": 1
},
{
"id": "3484b148-4ba5-4b54-9401-44010ac31178",
"name": "フィールド変更",
"type": "n8n-nodes-base.set",
"onError": "continueErrorOutput",
"position": [
680,
320
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "b2e3bec3-221e-4f1d-b439-f75174f68ed1",
"name": "csv",
"type": "string",
"value": "={{ $json.body }}"
}
]
}
},
"typeVersion": 3.3
},
{
"id": "f35635fe-8943-486b-b5fa-4f566dd8f938",
"name": "付箋ノート4",
"type": "n8n-nodes-base.stickyNote",
"position": [
60,
40
],
"parameters": {
"color": 7,
"width": 2298,
"height": 1027,
"content": ""
},
"typeVersion": 1
},
{
"id": "cede2fad-f0ee-4082-a403-81f6d8eb188e",
"name": "スイッチ",
"type": "n8n-nodes-base.switch",
"position": [
340,
400
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "File",
"conditions": {
"options": {
"version": 1,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"operator": {
"type": "object",
"operation": "notEmpty",
"singleValue": true
},
"leftValue": "={{ $binary }}",
"rightValue": ""
}
]
},
"renameOutput": true
},
{
"outputKey": "Data/Text",
"conditions": {
"options": {
"version": 1,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "8930ce1a-a4cc-4094-b08f-a23a13dec40c",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.headers['content-type'] }}",
"rightValue": "text/plain"
}
]
},
"renameOutput": true
},
{
"outputKey": "appJSON",
"conditions": {
"options": {
"version": 1,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "e3108952-daa2-425c-8c70-7d2ce0949e0c",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.headers['content-type'] }}",
"rightValue": "=application/json"
}
]
},
"renameOutput": true
}
]
},
"options": {
"fallbackOutput": "extra"
}
},
"typeVersion": 3
},
{
"id": "a2d92aeb-25eb-4d3c-82ad-16d2124099a8",
"name": "エラーチャンネルへ送信",
"type": "n8n-nodes-base.slack",
"position": [
2380,
880
],
"webhookId": "d8e1201d-cbcc-4153-a164-51d7b3e17c84",
"parameters": {
"text": ":interrobang: Error in XML to JSON tool",
"select": "channel",
"blocksUi": "={\n\t\"blocks\": [\n{\n\t\t\t\"type\": \"section\",\n\t\t\t\"text\": {\n\t\t\t\t\"type\": \"mrkdwn\",\n\t\t\t\t\"text\": \":interrobang: Error in CSV to JSON tool\"\n\t\t\t}\n\t\t},\n\t\t{\n\t\t\t\"type\": \"section\",\n\t\t\t\"text\": {\n\t\t\t\t\"type\": \"mrkdwn\",\n\t\t\t\t\"text\": \"*Time:*\\n{{ $now.format('dd/MM/yyyy HH:mm:ss') }}\\n*Execution ID:*\\n{{ $execution.id }}\\n\"\n\t\t\t},\n\t\t\t\"accessory\": {\n\t\t\t\t\"type\": \"button\",\n\t\t\t\t\"text\": {\n\t\t\t\t\t\"type\": \"plain_text\",\n\t\t\t\t\t\"text\": \"Go to Error\",\n\t\t\t\t\t\"emoji\": true\n\t\t\t\t},\n\t\t\t\t\"value\": \"error\",\n\t\t\t\t\"url\": \"[insert URL here]{{ $workflow.id }}/executions/{{ $execution.id }}\",\n\t\t\t\t\"action_id\": \"button-action\",\n\t\t\t\t\"style\": \"primary\"\n\t\t\t}\n\t\t}\n\t]\n}",
"channelId": {
"__rl": true,
"mode": "id",
"value": "C0832GBAEN4"
},
"messageType": "block",
"otherOptions": {},
"authentication": "oAuth2"
},
"typeVersion": 2.1
},
{
"id": "b21c88d1-6f21-4ada-95ef-8ea91463e7ad",
"name": "Convert Raw Text To CSV",
"type": "n8n-nodes-base.code",
"onError": "continueRegularOutput",
"position": [
940,
300
],
"parameters": {
"jsCode": "const csvData = $input.all()[0]?.json?.csv;\n\n// Use a regex to split on either ',' or ';'\nconst lines = csvData.split(\"\\n\");\nconst headers = lines[0].split(/,|;/);\n\nconst jsonData = lines.slice(1).map((line) => {\n // Split on ',' or ';' for each line\n const data = line.split(/,|;/);\n let obj = {};\n headers.forEach((header, i) => {\n obj[header] = data[i];\n });\n return obj;\n});\n\nif (jsonData.length === 0) {\n throw new Error(\"No data to process\");\n}\n\nreturn jsonData;\n"
},
"typeVersion": 2,
"alwaysOutputData": true
},
{
"id": "a9803789-0397-4f5f-9cd2-cb630f983efc",
"name": "付箋ノート",
"type": "n8n-nodes-base.stickyNote",
"position": [
2380,
40
],
"parameters": {
"color": 7,
"width": 700,
"height": 600,
"content": "## Sample of Raw CSV Data Send\nUse the HTTP request node below to see how to send the Raw CSV data into this workflow. Don't forget to include the \\n's "
},
"typeVersion": 1
},
{
"id": "8fb97224-706b-41de-a7ab-cbe2191436e9",
"name": "値の確認",
"type": "n8n-nodes-base.if",
"position": [
1180,
300
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "d8d4cfda-f384-4154-8ad2-c3eabcb8c7ce",
"operator": {
"type": "string",
"operation": "notExists",
"singleValue": true
},
"leftValue": "={{ $json.error }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "4484f424-429b-449f-85c2-dd6a135972a0",
"name": "Send Raw CSV",
"type": "n8n-nodes-base.httpRequest",
"position": [
2480,
200
],
"parameters": {
"url": "[insert URL here]",
"body": "album, year, US_peak_chart_post\nThe White Stripes, 1999, -\nDe Stijl, 2000, -\nWhite Blood Cells, 2001, 61\nElephant, 2003, 6\nGet Behind Me Satan, 2005, 3\nIcky Thump, 2007, 2\nUnder Great White Northern Lights, 2010, 11\nLive in Mississippi, 2011, -\nLive at the Gold Dollar, 2012, -\nNine Miles from the White City, 2013, -\n",
"method": "POST",
"options": {
"response": {
"response": {
"responseFormat": "file"
}
}
},
"sendBody": true,
"contentType": "raw",
"rawContentType": "text/plain"
},
"typeVersion": 4.2
},
{
"id": "70a46bce-32da-4868-a960-3ee1cefbed1f",
"name": "POST",
"type": "n8n-nodes-base.webhook",
"position": [
140,
420
],
"webhookId": "add125c9-1591-4e1c-b68c-8032b99b6010",
"parameters": {
"path": "tool/csv-to-json",
"options": {
"binaryPropertyName": "data"
},
"httpMethod": "POST",
"responseMode": "responseNode"
},
"typeVersion": 1.1
},
{
"id": "116cfc2c-6e5f-4367-8c80-e1341e7d196a",
"name": "集約",
"type": "n8n-nodes-base.aggregate",
"position": [
1580,
220
],
"parameters": {
"options": {},
"aggregate": "aggregateAllItemData",
"destinationFieldName": "jsondata"
},
"typeVersion": 1
},
{
"id": "967dc555-2599-4fb0-b3e1-00164bae4120",
"name": "集約1",
"type": "n8n-nodes-base.aggregate",
"position": [
1580,
360
],
"parameters": {
"options": {},
"aggregate": "aggregateAllItemData",
"destinationFieldName": "jsondata"
},
"typeVersion": 1
},
{
"id": "51c77def-cdf7-41da-bfd1-e585f0553672",
"name": "成功レスポンス2",
"type": "n8n-nodes-base.respondToWebhook",
"onError": "continueErrorOutput",
"position": [
1900,
400
],
"parameters": {
"options": {
"responseCode": 200
},
"respondWith": "json",
"responseBody": "={{ JSON.stringify($json.jsondata) }}"
},
"typeVersion": 1
}
],
"pinData": {},
"connections": {
"70a46bce-32da-4868-a960-3ee1cefbed1f": {
"main": [
[
{
"node": "cede2fad-f0ee-4082-a403-81f6d8eb188e",
"type": "main",
"index": 0
}
]
]
},
"cede2fad-f0ee-4082-a403-81f6d8eb188e": {
"main": [
[
{
"node": "4eff962e-e636-4704-835a-672ccd705e16",
"type": "main",
"index": 0
}
],
[
{
"node": "3484b148-4ba5-4b54-9401-44010ac31178",
"type": "main",
"index": 0
}
],
[
{
"node": "ccc66f1e-e000-4048-a492-b80fbf8c8fce",
"type": "main",
"index": 0
}
],
[
{
"node": "ccc66f1e-e000-4048-a492-b80fbf8c8fce",
"type": "main",
"index": 0
}
]
]
},
"116cfc2c-6e5f-4367-8c80-e1341e7d196a": {
"main": [
[
{
"node": "a7d34aba-6ded-4cc8-8866-7d4aa6ae3255",
"type": "main",
"index": 0
}
]
]
},
"967dc555-2599-4fb0-b3e1-00164bae4120": {
"main": [
[
{
"node": "51c77def-cdf7-41da-bfd1-e585f0553672",
"type": "main",
"index": 0
}
]
]
},
"3484b148-4ba5-4b54-9401-44010ac31178": {
"main": [
[
{
"node": "b21c88d1-6f21-4ada-95ef-8ea91463e7ad",
"type": "main",
"index": 0
}
],
[
{
"node": "ccc66f1e-e000-4048-a492-b80fbf8c8fce",
"type": "main",
"index": 0
}
]
]
},
"8fb97224-706b-41de-a7ab-cbe2191436e9": {
"main": [
[
{
"node": "967dc555-2599-4fb0-b3e1-00164bae4120",
"type": "main",
"index": 0
}
],
[
{
"node": "ccc66f1e-e000-4048-a492-b80fbf8c8fce",
"type": "main",
"index": 0
}
]
]
},
"ccc66f1e-e000-4048-a492-b80fbf8c8fce": {
"main": [
[
{
"node": "a2d92aeb-25eb-4d3c-82ad-16d2124099a8",
"type": "main",
"index": 0
}
],
[
{
"node": "a2d92aeb-25eb-4d3c-82ad-16d2124099a8",
"type": "main",
"index": 0
}
]
]
},
"a7d34aba-6ded-4cc8-8866-7d4aa6ae3255": {
"main": [
[],
[
{
"node": "a2d92aeb-25eb-4d3c-82ad-16d2124099a8",
"type": "main",
"index": 0
}
]
]
},
"4eff962e-e636-4704-835a-672ccd705e16": {
"main": [
[
{
"node": "116cfc2c-6e5f-4367-8c80-e1341e7d196a",
"type": "main",
"index": 0
}
],
[
{
"node": "ccc66f1e-e000-4048-a492-b80fbf8c8fce",
"type": "main",
"index": 0
}
]
]
},
"51c77def-cdf7-41da-bfd1-e585f0553672": {
"main": [
[],
[
{
"node": "a2d92aeb-25eb-4d3c-82ad-16d2124099a8",
"type": "main",
"index": 0
}
]
]
},
"b21c88d1-6f21-4ada-95ef-8ea91463e7ad": {
"main": [
[
{
"node": "8fb97224-706b-41de-a7ab-cbe2191436e9",
"type": "main",
"index": 0
}
]
]
}
}
}よくある質問
このワークフローの使い方は？
上記のJSON設定コードをコピーし、n8nインスタンスで新しいワークフローを作成して「JSONからインポート」を選択、設定を貼り付けて認証情報を必要に応じて変更してください。
このワークフローはどんな場面に適していますか？
上級 - エンジニアリング
有料ですか？
このワークフローは完全無料です。ただし、ワークフローで使用するサードパーティサービス（OpenAI APIなど）は別途料金が発生する場合があります。
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ワークフロー情報
難易度
上級
ノード数18
カテゴリー1
ノードタイプ11
作成者
n8n Team
@n8n-teamMeet the official n8n team. We specialize in building workflows that transform intricate tasks into seamless operations.
外部リンク
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