黄金价格提醒
中级
这是一个Crypto Trading领域的自动化工作流,包含 10 个节点。主要使用 If, Html, HttpRequest, ScheduleTrigger 等节点。 基于网页抓取的LINE黄金价格阈值提醒
前置要求
- •可能需要目标 API 的认证凭证
分类
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": "CQ33IAKSfdDbLzmK",
"meta": {
"instanceId": "558d88703fb65b2d0e44613bc35916258b0f0bf983c5d4730c00c424b77ca36a"
},
"name": "黄金价格提醒",
"tags": [],
"nodes": [
{
"id": "771277db-5553-4d8f-8519-a27e25107178",
"name": "计划触发器",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
-480,
20
],
"parameters": {
"rule": {
"interval": [
{
"field": "hours",
"hoursInterval": 6
}
]
}
},
"typeVersion": 1.2
},
{
"id": "cf148eee-50dc-41a7-9555-a906676bbc81",
"name": "条件判断",
"type": "n8n-nodes-base.if",
"position": [
360,
20
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "6decc8be-9041-4975-b700-16f8360578b5",
"operator": {
"type": "number",
"operation": "gt"
},
"leftValue": "={{ parseFloat($json['#DetailPlace_uc_goldprices1_lblBLBuy'].replace(/[^\\d.]/g, '')) }}",
"rightValue": 52300
},
{
"id": "553a009d-a08a-4746-b546-d1a43352b07f",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "f98523e4-4dbc-486c-9a7e-babb024aa907",
"name": "便签",
"type": "n8n-nodes-base.stickyNote",
"position": [
-560,
-80
],
"parameters": {
"width": 260,
"height": 260,
"content": "计划每 6 小时检查一次当前黄金价格"
},
"typeVersion": 1
},
{
"id": "62bd43cd-755c-44b7-b30d-27416d61f9a5",
"name": "便签1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-280,
-80
],
"parameters": {
"color": 5,
"width": 260,
"height": 260,
"content": "要获取普通网页,我们可以使用无需任何授权的 HTTP 请求,输出将是 HTML 代码"
},
"typeVersion": 1
},
{
"id": "e6d39001-667e-4632-9b46-2890e2c9aa60",
"name": "便签2",
"type": "n8n-nodes-base.stickyNote",
"position": [
0,
-80
],
"parameters": {
"color": 5,
"width": 260,
"height": 260,
"content": "我们需指定从之前的 HTML 代码中提取什么,例如价格——您可以通过右键点击 > 检查来查找元素"
},
"typeVersion": 1
},
{
"id": "ec2e7f8b-1867-436a-8537-af9c69d9c726",
"name": "获取网页",
"type": "n8n-nodes-base.httpRequest",
"position": [
-200,
20
],
"parameters": {
"url": "https://www.goldtraders.or.th/",
"options": {}
},
"typeVersion": 4.2
},
{
"id": "35f7cac8-ce35-4ba8-893d-aa69e0ea5141",
"name": "提取价格",
"type": "n8n-nodes-base.html",
"position": [
80,
20
],
"parameters": {
"options": {},
"operation": "extractHtmlContent",
"extractionValues": {
"values": [
{
"key": "#DetailPlace_uc_goldprices1_lblBLBuy",
"cssSelector": "#DetailPlace_uc_goldprices1_lblBLBuy"
}
]
}
},
"typeVersion": 1.2
},
{
"id": "a8f8d4ed-124d-4921-a03a-25459a015100",
"name": "便签3",
"type": "n8n-nodes-base.stickyNote",
"position": [
280,
-140
],
"parameters": {
"color": 4,
"width": 260,
"height": 320,
"content": "我们不希望收到所有提醒。因此,我们仅在价格超过给定数字时过滤提醒一次。"
},
"typeVersion": 1
},
{
"id": "1a3cce75-f2d0-4934-b0c9-7c7f8b4e5681",
"name": "发送 Line 消息",
"type": "n8n-nodes-base.httpRequest",
"position": [
660,
-120
],
"parameters": {
"url": "https://api.line.me/v2/bot/message/push",
"method": "POST",
"options": {},
"jsonBody": "={\n \"to\": \"Ue9cc622e33e5333e3784298412ec9aed\",\n \"messages\":[\n {\n \"type\":\"text\",\n \"text\":\"ราคาทองวันนี้ {{ $json['#DetailPlace_uc_goldprices1_lblBLBuy'] }}\"\n }\n ]\n}",
"sendBody": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpHeaderAuth": {
"id": "lKd3b2nc8uNJ148Z",
"name": "Line @271dudsw MiniBear"
}
},
"typeVersion": 4.2
},
{
"id": "b979a549-4717-49f1-8678-e3b699682dc9",
"name": "便签4",
"type": "n8n-nodes-base.stickyNote",
"position": [
580,
-220
],
"parameters": {
"width": 260,
"height": 260,
"content": "当条件满足时,它将通过 Line 发送消息。这也可以是其他平台,例如 Telegram 或电子邮件"
},
"typeVersion": 1
}
],
"active": false,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "ac7f75f8-6820-4ec3-9934-0fbcc45cfad3",
"connections": {
"If": {
"main": [
[
{
"node": "Send Line Message",
"type": "main",
"index": 0
}
]
]
},
"Get Webpage": {
"main": [
[
{
"node": "Extract Price",
"type": "main",
"index": 0
}
]
]
},
"Extract Price": {
"main": [
[
{
"node": "If",
"type": "main",
"index": 0
}
]
]
},
"Schedule Trigger": {
"main": [
[
{
"node": "Get Webpage",
"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 - 加密货币交易
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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