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通过 Webhook 验证 JSON 字符串

中级

这是一个Building Blocks领域的自动化工作流,包含 6 个节点。主要使用 Code, Webhook, RespondToWebhook 等节点。 通过Webhook验证JSON字符串

前置要求
  • HTTP Webhook 端点(n8n 会自动生成)
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": "6GzSyLakqBN2hYIe",
  "meta": {
    "instanceId": "1777696fb9fddfee653e70940936c2b1e28ba1f1bde53b7182fbd6eb01988706"
  },
  "name": "通过 Webhook 验证 JSON 字符串",
  "tags": [],
  "nodes": [
    {
      "id": "72785a1d-32f6-4f0d-a412-5327c059ddd3",
      "name": "Webhook:接收 JSON 字符串",
      "type": "n8n-nodes-base.webhook",
      "position": [
        -680,
        -140
      ],
      "webhookId": "2604aa77-b575-4c3f-b1df-feab9c775603",
      "parameters": {
        "path": "validate-json-string",
        "options": {},
        "httpMethod": "POST",
        "responseMode": "responseNode"
      },
      "typeVersion": 2
    },
    {
      "id": "940b04da-3f16-434d-8181-9452dd3ba007",
      "name": "使用结果响应 Webhook",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
        100,
        -140
      ],
      "parameters": {
        "options": {},
        "respondWith": "allIncomingItems"
      },
      "typeVersion": 1.2
    },
    {
      "id": "4546866f-9376-47cf-ac19-caf0eb197cca",
      "name": "代码:验证 JSON 字符串",
      "type": "n8n-nodes-base.code",
      "position": [
        -300,
        -140
      ],
      "parameters": {
        "jsCode": "// This node validates if the 'jsonString' in the webhook body is valid JSON.\n// It returns 'valid: true' or 'valid: false' along with an error message if invalid.\n\nconst results = [];\n\nfor (const item of $input.all()) {\n  try {\n    // Attempt to parse the jsonString from the webhook body\n    // Ensure 'jsonString' exists before attempting to parse\n    if (item.json.body && typeof item.json.body.jsonString === 'string') {\n      JSON.parse(item.json.body.jsonString);\n      results.push({ json: { valid: true } });\n    } else {\n      // Handle cases where jsonString is missing or not a string\n      results.push({ json: { valid: false, error: \"Input 'jsonString' is missing or not a string.\" } });\n    }\n  } catch (e) {\n    // If parsing fails, push the error message\n    results.push({ json: { valid: false, error: e.message } });\n  }\n}\n\nreturn results;"
      },
      "typeVersion": 2
    },
    {
      "id": "52ea0a9b-863d-4d09-b96b-ab707571738b",
      "name": "注意:Webhook 输入",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -760,
        -360
      ],
      "parameters": {
        "width": 280,
        "height": 380,
        "content": "## Webhook 输入"
      },
      "typeVersion": 1
    },
    {
      "id": "f3f93504-93b2-40e9-93e6-45366a681ac0",
      "name": "注意:JSON 验证逻辑",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -420,
        -320
      ],
      "parameters": {
        "color": 2,
        "width": 350,
        "height": 360,
        "content": "## JSON 验证逻辑"
      },
      "typeVersion": 1
    },
    {
      "id": "e8632087-424b-40b4-a894-301885137f49",
      "name": "注意:Webhook 响应",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        0,
        -320
      ],
      "parameters": {
        "color": 3,
        "width": 350,
        "height": 360,
        "content": "## Webhook 响应"
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "ecec4bf1-c92e-485f-9f8f-fc98441310eb",
  "connections": {
    "Code: Validate JSON String": {
      "main": [
        [
          {
            "node": "Respond to Webhook with Result",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Webhook: Receive JSON String": {
      "main": [
        [
          {
            "node": "Code: Validate JSON String",
            "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?

中级 - 构建模块

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。

工作流信息
难度等级
中级
节点数量6
分类1
节点类型4
难度说明

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

作者
ist00dent

ist00dent

@ist00dent

I’m a dedicated automation engineer passionate about no-code and low-code solutions. I design and implement robust n8n workflows—integrating APIs, databases, and messaging—to eliminate manual tasks and accelerate delivery. Leveraging Python and C#, I build scalable, adaptable automations that empower teams to focus on high-value work.

外部链接
在 n8n.io 查看

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