{"id":63864,"date":"2026-01-22T13:56:49","date_gmt":"2026-01-22T05:56:49","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/63864.html"},"modified":"2026-01-22T13:56:49","modified_gmt":"2026-01-22T05:56:49","slug":"%e3%80%90n8n%e6%95%99%e7%a8%8b%e3%80%91%ef%bc%9asse-trigger%e8%8a%82%e7%82%b9%ef%bc%8c%e5%ae%9e%e6%97%b6%e6%8e%a5%e6%94%b6%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%8e%a8%e9%80%81%e4%ba%8b%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/63864.html","title":{"rendered":"\u3010n8n\u6559\u7a0b\u3011\uff1aSSE Trigger\u8282\u70b9\uff0c\u5b9e\u65f6\u63a5\u6536\u670d\u52a1\u5668\u63a8\u9001\u4e8b\u4ef6"},"content":{"rendered":"<h2>\u3010n8n\u6559\u7a0b\u3011&#xff1a;SSE Trigger\u8282\u70b9&#xff0c;\u5b9e\u65f6\u63a5\u6536\u670d\u52a1\u5668\u63a8\u9001\u4e8b\u4ef6<\/h2>\n<p>\u672c\u6559\u7a0b\u5c06\u5e26\u4f60\u4ece\u96f6\u5f00\u59cb\u638c\u63e1 SSE Trigger \u8282\u70b9&#xff0c;\u4e00\u4e2a\u5f3a\u5927\u7684\u5b9e\u65f6\u6570\u636e\u63a5\u6536\u5de5\u5177\u3002\u5982\u679c\u4f60\u60f3\u8ba9 n8n \u5de5\u4f5c\u6d41\u80fd\u591f\u5b9e\u65f6\u63a5\u6536\u6765\u81ea\u670d\u52a1\u5668\u7684\u6d88\u606f\u63a8\u9001&#xff0c;\u800c\u4e0d\u662f\u88ab\u52a8\u7b49\u5f85\u8bf7\u6c42&#xff0c;\u90a3\u4e48\u8fd9\u4e2a\u6559\u7a0b\u5c31\u662f\u4e3a\u4f60\u51c6\u5907\u7684\u3002<\/p>\n<h3>&#x1f3af; \u5b66\u4e60\u76ee\u6807<\/h3>\n<ul>\n<li>\u2705 \u7406\u89e3\u4ec0\u4e48\u662f\u670d\u52a1\u5668\u53d1\u9001\u4e8b\u4ef6&#xff08;SSE&#xff09;<\/li>\n<li>\u2705 \u638c\u63e1 SSE Trigger \u8282\u70b9\u7684\u914d\u7f6e<\/li>\n<li>\u2705 \u5b66\u4f1a\u5b9e\u65f6\u63a5\u6536\u548c\u5904\u7406\u6570\u636e<\/li>\n<li>\u2705 \u521b\u5efa\u81ea\u5df1\u7684\u5b9e\u65f6\u76d1\u63a7\u5de5\u4f5c\u6d41<\/li>\n<\/ul>\n<hr \/>\n<p>\u70b9\u51fb\u83b7\u53d6\u6700\u65b0AI\u8d44\u8baf\u3001n8n\u5de5\u4f5c\u6d41\u3001\u5f00\u53d1\u7ecf\u9a8c\u5206\u4eab<\/p>\n<h3>&#x1f4d6; \u7b2c\u4e00\u90e8\u5206&#xff1a;\u6838\u5fc3\u6982\u5ff5\u901f\u89c8<\/h3>\n<h4>\u4ec0\u4e48\u662f SSE&#xff08;Server-Sent Events&#xff09;&#xff1f;<\/h4>\n<p>SSE \u662f\u4e00\u79cd\u670d\u52a1\u5668\u63a8\u9001\u6280\u672f&#xff0c;\u5b83\u901a\u8fc7 HTTP \u8fde\u63a5\u8ba9\u670d\u52a1\u5668\u80fd\u591f\u4e3b\u52a8\u5411\u5ba2\u6237\u7aef\u53d1\u9001\u6570\u636e\u3002\u60f3\u8c61\u8fd9\u6837\u4e00\u4e2a\u573a\u666f&#xff1a;<\/p>\n<ul>\n<li>\u4f20\u7edf\u65b9\u5f0f&#xff1a;\u4f60\u4e0d\u65ad\u6572\u9489\u9489\u95ee&#034;\u6570\u636e\u6765\u4e86\u6ca1&#xff1f;&#034;&#xff08;\u8f6e\u8be2&#xff09;<\/li>\n<li>SSE \u65b9\u5f0f&#xff1a;\u7cfb\u7edf\u6709\u4e86\u65b0\u6570\u636e\u5c31\u81ea\u52a8\u901a\u77e5\u4f60&#xff08;\u63a8\u9001&#xff09;<\/li>\n<\/ul>\n<p>SSE Trigger \u8282\u70b9\u7684\u4f5c\u7528\u5c31\u662f\u8ba9 n8n \u5de5\u4f5c\u6d41\u6210\u4e3a\u4e00\u4e2a**\u201c\u76d1\u542c\u5668\u201d**&#xff0c;\u65f6\u523b\u51c6\u5907\u63a5\u6536\u6765\u81ea\u6307\u5b9a URL \u7684\u670d\u52a1\u5668\u63a8\u9001\u4e8b\u4ef6\u3002<\/p>\n<h4>SSE \u5bf9\u6bd4\u5176\u4ed6\u89e6\u53d1\u65b9\u5f0f<\/h4>\n<table>\n<tr>\u89e6\u53d1\u65b9\u5f0f\u5de5\u4f5c\u539f\u7406\u9002\u7528\u573a\u666f\u5b9e\u65f6\u6027<\/tr>\n<tbody>\n<tr>\n<td>Webhook<\/td>\n<td>\u5916\u90e8\u7cfb\u7edf\u63a8\u9001\u6570\u636e<\/td>\n<td>\u63a5\u6536\u7b2c\u4e09\u65b9\u5e94\u7528\u4e8b\u4ef6<\/td>\n<td>\u2b50\u2b50\u2b50\u2b50\u2b50<\/td>\n<\/tr>\n<tr>\n<td>SSE Trigger<\/td>\n<td>\u8fde\u63a5\u670d\u52a1\u5668\u6301\u7eed\u63a5\u6536<\/td>\n<td>\u5b9e\u65f6\u6570\u636e\u6d41\u3001\u5e02\u573a\u884c\u60c5<\/td>\n<td>\u2b50\u2b50\u2b50\u2b50\u2b50<\/td>\n<\/tr>\n<tr>\n<td>Schedule<\/td>\n<td>\u5b9a\u65f6\u6267\u884c<\/td>\n<td>\u5b9a\u671f\u4efb\u52a1<\/td>\n<td>\u2b50<\/td>\n<\/tr>\n<tr>\n<td>HTTP Request<\/td>\n<td>\u4e3b\u52a8\u67e5\u8be2<\/td>\n<td>\u6309\u9700\u83b7\u53d6\u6570\u636e<\/td>\n<td>\u2b50\u2b50<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>&#x1f527; \u7b2c\u4e8c\u90e8\u5206&#xff1a;SSE Trigger \u8282\u70b9\u914d\u7f6e\u8be6\u89e3<\/h3>\n<h4>\u8282\u70b9\u53c2\u6570\u8bf4\u660e<\/h4>\n<p>SSE Trigger \u8282\u70b9\u914d\u7f6e\u975e\u5e38\u7b80\u6d01&#xff0c;\u53ea\u6709\u4e00\u4e2a\u6838\u5fc3\u53c2\u6570&#xff1a;<\/p>\n<h5>URL&#xff08;\u5fc5\u586b&#xff09;<\/h5>\n<ul>\n<li>\u8bf4\u660e&#xff1a;\u6307\u5b9a\u8981\u8fde\u63a5\u7684 SSE \u670d\u52a1\u5668\u5730\u5740<\/li>\n<li>\u683c\u5f0f&#xff1a;\u5b8c\u6574\u7684 HTTP \u6216 HTTPS \u5730\u5740<\/li>\n<li>\u793a\u4f8b&#xff1a;\n<ul>\n<li>https:\/\/api.example.com\/stream\/events<\/li>\n<li>https:\/\/stock-api.demo.com\/sse\/ticker<\/li>\n<li>http:\/\/localhost:8080\/stream<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>\u914d\u7f6e\u6b65\u9aa4<\/h4>\n<li>\n<p>\u6dfb\u52a0 SSE Trigger \u8282\u70b9<\/p>\n<ul>\n<li>\u5728 n8n \u5de5\u4f5c\u6d41\u7f16\u8f91\u5668\u4e2d\u70b9\u51fb \u201c&#043;\u201d \u6dfb\u52a0\u8282\u70b9<\/li>\n<li>\u5728\u641c\u7d22\u6846\u8f93\u5165 \u201cSSE Trigger\u201d<\/li>\n<li>\u70b9\u51fb\u9009\u62e9\u8be5\u8282\u70b9<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u8f93\u5165 SSE \u670d\u52a1\u5668 URL<\/p>\n<ul>\n<li>\u5728\u8282\u70b9\u7684 URL \u53c2\u6570\u4e2d\u8f93\u5165\u4f60\u7684\u670d\u52a1\u5668\u5730\u5740<\/li>\n<li>\u786e\u4fdd URL \u662f\u6709\u6548\u7684\u4e14\u670d\u52a1\u5668\u652f\u6301 SSE \u534f\u8bae<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u4fdd\u5b58\u5e76\u6fc0\u6d3b<\/p>\n<ul>\n<li>\u70b9\u51fb \u201cSave\u201d \u4fdd\u5b58\u914d\u7f6e<\/li>\n<li>\u8282\u70b9\u4f1a\u5f00\u59cb\u76d1\u542c\u6307\u5b9a URL \u7684\u4e8b\u4ef6<\/li>\n<\/ul>\n<\/li>\n<h4>\u5de5\u4f5c\u539f\u7406\u6d41\u7a0b<\/h4>\n<p>\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n\u2502   n8n \u5de5\u4f5c\u6d41     \u2502<br \/>\n\u2502  (SSE Trigger)  \u2502<br \/>\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<br \/>\n         \u2502<br \/>\n         \u2502 \u5efa\u7acb\u957f\u8fde\u63a5&#xff08;HTTP streaming&#xff09;<br \/>\n         \u2193<br \/>\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n\u2502   SSE \u670d\u52a1\u5668    \u2502<br \/>\n\u2502  (\u4f60\u7684\u6570\u636e\u6e90)   \u2502<br \/>\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<br \/>\n         \u2502<br \/>\n         \u2502 \u63a8\u9001\u4e8b\u4ef6\u6570\u636e<br \/>\n         \u2193<br \/>\n    \u5904\u7406\u6570\u636e\u6d41<br \/>\n    \u2502 \u2192 \u683c\u5f0f\u5316<br \/>\n    \u2502 \u2192 \u6761\u4ef6\u5224\u65ad<br \/>\n    \u2502 \u2192 \u53d1\u9001\u901a\u77e5<br \/>\n    \u2514 \u2192 \u5b58\u50a8\u8bb0\u5f55<\/p>\n<hr \/>\n<h3>&#x1f4a1; \u7b2c\u4e09\u90e8\u5206&#xff1a;\u5b9e\u6218\u6848\u4f8b &#8211; \u6784\u5efa\u5b9e\u65f6\u80a1\u7968\u884c\u60c5\u76d1\u63a7\u5de5\u4f5c\u6d41<\/h3>\n<h4>\u6848\u4f8b\u573a\u666f<\/h4>\n<p>\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u5b9e\u65f6\u80a1\u7968\u4ef7\u683c\u76d1\u63a7\u7cfb\u7edf&#xff0c;\u5b83\u4f1a&#xff1a;<\/p>\n<ul>\n<li>\u8fde\u63a5\u5230\u6a21\u62df\u80a1\u7968 SSE \u670d\u52a1<\/li>\n<li>\u5b9e\u65f6\u63a5\u6536\u4ef7\u683c\u66f4\u65b0<\/li>\n<li>\u5f53\u4ef7\u683c\u8d85\u8fc7\u8bbe\u5b9a\u9608\u503c\u65f6\u89e6\u53d1\u8b66\u62a5<\/li>\n<li>\u8bb0\u5f55\u6240\u6709\u4e8b\u4ef6\u5230\u65e5\u5fd7<\/li>\n<\/ul>\n<h4>\u53ef\u6267\u884c\u5de5\u4f5c\u6d41\u4ee3\u7801<\/h4>\n<p>\u4ee5\u4e0b\u662f\u5b8c\u6574\u7684\u53ef\u6267\u884c\u5de5\u4f5c\u6d41 JSON \u4ee3\u7801&#xff0c;\u4f60\u53ef\u4ee5\u76f4\u63a5\u5bfc\u5165\u5230 n8n&#xff1a;<\/p>\n<p><span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token string-property property\">&#034;name&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;\u5b9e\u65f6\u80a1\u7968\u76d1\u63a7 &#8211; SSE Trigger \u5de5\u4f5c\u6d41&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token string-property property\">&#034;nodes&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token string-property property\">&#034;parameters&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token string-property property\">&#034;url&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;https:\/\/n8n.io&#034;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;id&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;SSE Trigger&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;name&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;SSE Trigger&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;type&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;n8n-nodes-base.sseTrigger&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;typeVersion&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;position&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">250<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">300<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token string-property property\">&#034;parameters&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token string-property property\">&#034;functionCode&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;\/\/ \u63a5\u6536\u6765\u81ea SSE \u7684\u539f\u59cb\u6570\u636e\u5e76\u89e3\u6790\\\\nconst data &#061; $input.first().json;\\\\nconsole.log(&#039;\u6536\u5230 SSE \u4e8b\u4ef6:&#039;, data);\\\\n\\\\n\/\/ \u6a21\u62df\u80a1\u7968\u6570\u636e\u5904\u7406\\\\nreturn {\\\\n  json: {\\\\n    timestamp: new Date().toISOString(),\\\\n    symbol: data.symbol || &#039;STOCK-001&#039;,\\\\n    price: data.price || 100,\\\\n    previousPrice: data.previousPrice || 99,\\\\n    change: (data.price &#8211; data.previousPrice).toFixed(2),\\\\n    changePercent: (((data.price &#8211; data.previousPrice) \/ data.previousPrice) * 100).toFixed(2)\\\\n  }\\\\n};&#034;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;id&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;Function &#8211; \u89e3\u6790\u6570\u636e&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;name&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;Function &#8211; \u89e3\u6790\u6570\u636e&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;type&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;n8n-nodes-base.function&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;typeVersion&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;position&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">450<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">300<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;credentials&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token string-property property\">&#034;parameters&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token string-property property\">&#034;conditions&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          <span class=\"token string-property property\">&#034;string&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n              <span class=\"token string-property property\">&#034;value1&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;&#061;{{ $json.change }}&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token string-property property\">&#034;operation&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;notEmpty&#034;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n          <span class=\"token punctuation\">]<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;id&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;If &#8211; \u4ef7\u683c\u53d8\u52a8\u68c0\u6d4b&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;name&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;If &#8211; \u4ef7\u683c\u53d8\u52a8\u68c0\u6d4b&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;type&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;n8n-nodes-base.if&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;typeVersion&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;position&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">650<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">300<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token string-property property\">&#034;parameters&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token string-property property\">&#034;functionCode&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;\/\/ \u751f\u6210\u63d0\u9192\u6d88\u606f\\\\nconst data &#061; $input.first().json;\\\\nconst changePercent &#061; parseFloat(data.changePercent);\\\\nconst alertLevel &#061; Math.abs(changePercent) &gt; 2 ? &#039;\u9ad8&#039; : &#039;\u4e2d&#039;;\\\\n\\\\nreturn {\\\\n  json: {\\\\n    message: &#096;&#x1f514; ${data.symbol} \u4ef7\u683c\u66f4\u65b0: $${data.price} (\u53d8\u5316: ${data.change &gt; 0 ? &#039;&#043;&#039; : &#039;&#039;}${data.change}%, \u8b66\u62a5\u7b49\u7ea7: ${alertLevel})&#096;,\\\\n    alertLevel: alertLevel,\\\\n    shouldNotify: Math.abs(changePercent) &gt; 1,\\\\n    data: data\\\\n  }\\\\n};&#034;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;id&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;Function &#8211; \u751f\u6210\u8b66\u62a5&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;name&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;Function &#8211; \u751f\u6210\u8b66\u62a5&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;type&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;n8n-nodes-base.function&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;typeVersion&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;position&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">850<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">250<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token string-property property\">&#034;parameters&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token string-property property\">&#034;method&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;POST&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string-property property\">&#034;url&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;&#061;{{ $env.WEBHOOK_URL || &#039;https:\/\/webhook.site\/unique-id&#039; }}&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string-property property\">&#034;sendBody&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string-property property\">&#034;bodyParameters&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          <span class=\"token string-property property\">&#034;parameters&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n              <span class=\"token string-property property\">&#034;name&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;timestamp&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token string-property property\">&#034;value&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;&#061;{{ $json.data.timestamp }}&#034;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n              <span class=\"token string-property property\">&#034;name&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;alert_message&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token string-property property\">&#034;value&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;&#061;{{ $json.message }}&#034;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n              <span class=\"token string-property property\">&#034;name&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;stock_symbol&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token string-property property\">&#034;value&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;&#061;{{ $json.data.symbol }}&#034;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n              <span class=\"token string-property property\">&#034;name&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;price&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token string-property property\">&#034;value&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;&#061;{{ $json.data.price }}&#034;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n              <span class=\"token string-property property\">&#034;name&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;alert_level&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token string-property property\">&#034;value&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;&#061;{{ $json.alertLevel }}&#034;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n          <span class=\"token punctuation\">]<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;id&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;HTTP Request &#8211; \u53d1\u9001\u8b66\u62a5&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;name&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;HTTP Request &#8211; \u53d1\u9001\u8b66\u62a5&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;type&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;n8n-nodes-base.httpRequest&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;typeVersion&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;position&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">1050<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">250<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token string-property property\">&#034;parameters&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token string-property property\">&#034;table&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;stock_alerts&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string-property property\">&#034;columns&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;timestamp,symbol,price,change,alert_level&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string-property property\">&#034;mode&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;insert&#034;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;id&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;SQLite &#8211; \u8bb0\u5f55\u65e5\u5fd7&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;name&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;SQLite &#8211; \u8bb0\u5f55\u65e5\u5fd7&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;type&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;n8n-nodes-base.sqlite&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;typeVersion&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token string-property property\">&#034;position&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">1050<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">350<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token string-property property\">&#034;connections&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token string-property property\">&#034;SSE Trigger&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token string-property property\">&#034;main&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n        <span class=\"token punctuation\">[<\/span><br \/>\n          <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token string-property property\">&#034;node&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;Function &#8211; \u89e3\u6790\u6570\u636e&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string-property property\">&#034;type&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;main&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string-property property\">&#034;index&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><br \/>\n          <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">]<\/span><br \/>\n      <span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token string-property property\">&#034;Function &#8211; \u89e3\u6790\u6570\u636e&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token string-property property\">&#034;main&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n        <span class=\"token punctuation\">[<\/span><br \/>\n          <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token string-property property\">&#034;node&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;If &#8211; \u4ef7\u683c\u53d8\u52a8\u68c0\u6d4b&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string-property property\">&#034;type&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;main&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string-property property\">&#034;index&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><br \/>\n          <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">]<\/span><br \/>\n      <span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token string-property property\">&#034;If &#8211; \u4ef7\u683c\u53d8\u52a8\u68c0\u6d4b&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token string-property property\">&#034;main&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n        <span class=\"token punctuation\">[<\/span><br \/>\n          <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token string-property property\">&#034;node&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;Function &#8211; \u751f\u6210\u8b66\u62a5&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string-property property\">&#034;type&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;main&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string-property property\">&#034;index&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><br \/>\n          <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><br \/>\n      <span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token string-property property\">&#034;Function &#8211; \u751f\u6210\u8b66\u62a5&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token string-property property\">&#034;main&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n        <span class=\"token punctuation\">[<\/span><br \/>\n          <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token string-property property\">&#034;node&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;HTTP Request &#8211; \u53d1\u9001\u8b66\u62a5&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string-property property\">&#034;type&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;main&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string-property property\">&#034;index&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><br \/>\n          <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n          <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token string-property property\">&#034;node&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;SQLite &#8211; \u8bb0\u5f55\u65e5\u5fd7&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string-property property\">&#034;type&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;main&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string-property property\">&#034;index&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><br \/>\n          <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">]<\/span><br \/>\n      <span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>\u5de5\u4f5c\u6d41\u5bfc\u5165\u6b65\u9aa4<\/h4>\n<li>\u590d\u5236\u4e0a\u9762\u7684\u5b8c\u6574 JSON \u4ee3\u7801<\/li>\n<li>\u6253\u5f00 n8n \u5de5\u4f5c\u6d41\u7f16\u8f91\u5668<\/li>\n<li>\u70b9\u51fb\u53f3\u4e0a\u89d2\u83dc\u5355 \u2192 \u201cImport from File\/URL\u201d<\/li>\n<li>\u9009\u62e9&#034;Import from URL&#034;\u6216\u7c98\u8d34 JSON<\/li>\n<li>\u70b9\u51fb&#034;Import&#034;\u5b8c\u6210<\/li>\n<h4>\u5de5\u4f5c\u6d41\u6267\u884c\u6d41\u7a0b<\/h4>\n<p>1\ufe0f\u20e3 SSE Trigger \u8fde\u63a5<br \/>\n   \u2193<br \/>\n   \u76d1\u542c https:\/\/n8n.io \u7684\u670d\u52a1\u5668\u63a8\u9001\u4e8b\u4ef6<\/p>\n<p>2\ufe0f\u20e3 \u89e3\u6790\u6570\u636e<br \/>\n   \u2193<br \/>\n   \u63d0\u53d6\u80a1\u7968\u4ee3\u7801\u3001\u4ef7\u683c\u3001\u53d8\u52a8\u60c5\u51b5<\/p>\n<p>3\ufe0f\u20e3 \u6761\u4ef6\u5224\u65ad<br \/>\n   \u2193<br \/>\n   \u68c0\u67e5\u662f\u5426\u6709\u4ef7\u683c\u53d8\u52a8<\/p>\n<p>4\ufe0f\u20e3 \u751f\u6210\u8b66\u62a5<br \/>\n   \u2193<br \/>\n   \u8ba1\u7b97\u53d8\u5316\u5e45\u5ea6&#xff0c;\u786e\u5b9a\u8b66\u62a5\u7b49\u7ea7<\/p>\n<p>5\ufe0f\u20e3 \u53cc\u8def\u8f93\u51fa<br \/>\n   \u251c\u2500 HTTP \u8bf7\u6c42&#xff1a;\u53d1\u9001\u8b66\u62a5\u901a\u77e5<br \/>\n   \u2514\u2500 \u6570\u636e\u5e93&#xff1a;\u8bb0\u5f55\u5386\u53f2\u65e5\u5fd7<\/p>\n<hr \/>\n<h3>&#x1f680; \u7b2c\u56db\u90e8\u5206&#xff1a;\u8fdb\u9636\u6280\u5de7<\/h3>\n<h4>1. \u5904\u7406\u8ba4\u8bc1&#xff08;\u5982\u9700\u8981&#xff09;<\/h4>\n<p>\u5982\u679c\u4f60\u7684 SSE \u670d\u52a1\u5668\u9700\u8981\u8eab\u4efd\u9a8c\u8bc1&#xff0c;\u53ef\u4ee5\u5728 URL \u4e2d\u5305\u542b\u8ba4\u8bc1\u4fe1\u606f&#xff1a;<\/p>\n<p>https:\/\/username:password&#064;api.example.com\/stream<\/p>\n<p>\u6216\u4f7f\u7528\u73af\u5883\u53d8\u91cf&#xff1a;<\/p>\n<p>https:\/\/{{ $env.SSE_API_KEY }}&#064;api.example.com\/stream<\/p>\n<h4>2. \u9519\u8bef\u5904\u7406<\/h4>\n<p>\u4f7f\u7528 Error Trigger \u8282\u70b9\u6355\u83b7\u8fde\u63a5\u5931\u8d25&#xff1a;<\/p>\n<p><span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token string-property property\">&#034;id&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;Error Trigger&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token string-property property\">&#034;name&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;Error Trigger&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token string-property property\">&#034;type&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;n8n-nodes-base.errorTrigger&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token string-property property\">&#034;parameters&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3. \u6dfb\u52a0\u8fde\u63a5\u8d85\u65f6\u63a7\u5236<\/h4>\n<p>\u5728\u8fde\u63a5\u7684 Function \u8282\u70b9\u4e2d\u6dfb\u52a0\u8d85\u65f6\u68c0\u67e5&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u68c0\u67e5\u8fde\u63a5\u72b6\u6001<\/span><br \/>\n<span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>$input<span class=\"token punctuation\">.<\/span><span class=\"token function\">first<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>json<span class=\"token punctuation\">.<\/span>error<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  console<span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;SSE \u8fde\u63a5\u5931\u8d25:&#039;<\/span><span class=\"token punctuation\">,<\/span> $input<span class=\"token punctuation\">.<\/span><span class=\"token function\">first<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>json<span class=\"token punctuation\">.<\/span>error<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">json<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">status<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;failed&#039;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">json<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">status<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;connected&#039;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>4. \u6570\u636e\u8fc7\u6ee4\u4f18\u5316<\/h4>\n<p>\u4f7f\u7528 Filter \u8282\u70b9\u53ea\u5904\u7406\u7b26\u5408\u6761\u4ef6\u7684\u6570\u636e&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u53ea\u5904\u7406\u4ef7\u683c\u53d8\u52a8\u8d85\u8fc7 1% \u7684\u4e8b\u4ef6<\/span><br \/>\n<span class=\"token keyword\">const<\/span> changePercent <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">parseFloat<\/span><span class=\"token punctuation\">(<\/span>$json<span class=\"token punctuation\">.<\/span>changePercent<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">return<\/span> Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">abs<\/span><span class=\"token punctuation\">(<\/span>changePercent<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<hr \/>\n<h3>\u26a0\ufe0f \u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/h3>\n<h4>Q1&#xff1a;\u5de5\u4f5c\u6d41\u6fc0\u6d3b\u540e\u6ca1\u6709\u63a5\u6536\u5230\u4e8b\u4ef6&#xff1f;<\/h4>\n<p>\u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<ul>\n<li>\u2705 \u786e\u8ba4 SSE \u670d\u52a1\u5668\u5730\u5740\u662f\u5426\u6b63\u786e<\/li>\n<li>\u2705 \u68c0\u67e5\u7f51\u7edc\u8fde\u63a5\u548c\u9632\u706b\u5899\u8bbe\u7f6e<\/li>\n<li>\u2705 \u9a8c\u8bc1\u670d\u52a1\u5668\u662f\u5426\u771f\u7684\u5728\u63a8\u9001\u6570\u636e<\/li>\n<li>\u2705 \u68c0\u67e5 n8n \u65e5\u5fd7\u67e5\u770b\u5177\u4f53\u9519\u8bef\u4fe1\u606f<\/li>\n<\/ul>\n<h4>Q2&#xff1a;\u5982\u4f55\u6d4b\u8bd5 SSE Trigger \u662f\u5426\u5de5\u4f5c&#xff1f;<\/h4>\n<p>\u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528\u514d\u8d39\u7684 SSE \u6d4b\u8bd5\u670d\u52a1&#xff1a;https:\/\/stocksera.pythonanywhere.com\/api\/stock\/real-time\/<\/li>\n<li>\u6216\u521b\u5efa\u7b80\u5355\u7684\u672c\u5730 Node.js SSE \u670d\u52a1\u5668\u6765\u6d4b\u8bd5<\/li>\n<\/ul>\n<h4>Q3&#xff1a;\u4e00\u4e2a\u5de5\u4f5c\u6d41\u4e2d\u53ef\u4ee5\u6709\u591a\u4e2a SSE Trigger \u5417&#xff1f;<\/h4>\n<p>\u56de\u7b54&#xff1a; \u53ef\u4ee5\u7684&#xff01;\u6bcf\u4e2a SSE Trigger \u8fde\u63a5\u5230\u4e0d\u540c\u7684 URL&#xff0c;\u5c31\u80fd\u540c\u65f6\u76d1\u542c\u591a\u4e2a\u6570\u636e\u6e90\u3002<\/p>\n<h4>Q4&#xff1a;SSE \u8fde\u63a5\u4f1a\u81ea\u52a8\u91cd\u8fde\u5417&#xff1f;<\/h4>\n<p>\u56de\u7b54&#xff1a; n8n \u7684 SSE Trigger \u4f1a\u5728\u8fde\u63a5\u65ad\u5f00\u65f6\u81ea\u52a8\u5c1d\u8bd5\u91cd\u65b0\u8fde\u63a5&#xff0c;\u4f46\u53ef\u80fd\u9700\u8981\u51e0\u79d2\u949f\u3002<\/p>\n<hr \/>\n<h3>&#x1f4ca; \u6027\u80fd\u5efa\u8bae<\/h3>\n<ul>\n<li>\u5355\u4e2a\u5de5\u4f5c\u6d41&#xff1a;\u53ef\u4ee5\u7a33\u5b9a\u5904\u7406\u6bcf\u79d2\u6570\u767e\u4e2a\u4e8b\u4ef6<\/li>\n<li>\u591a\u4e2a\u5de5\u4f5c\u6d41&#xff1a;\u8003\u8651\u670d\u52a1\u5668\u8d44\u6e90&#xff0c;\u5efa\u8bae\u76d1\u63a7 CPU \u548c\u5185\u5b58\u4f7f\u7528<\/li>\n<li>\u6570\u636e\u53bb\u91cd&#xff1a;\u5982\u679c\u6536\u5230\u91cd\u590d\u4e8b\u4ef6&#xff0c;\u4f7f\u7528 Set \u8282\u70b9\u53bb\u91cd<\/li>\n<li>\u6279\u91cf\u5904\u7406&#xff1a;\u4f7f\u7528 Wait \u8282\u70b9\u7d2f\u79ef\u4e8b\u4ef6\u540e\u6279\u91cf\u5904\u7406<\/li>\n<\/ul>\n<hr \/>\n<h3>&#x1f393; \u603b\u7ed3<\/h3>\n<table>\n<tr>\u8981\u70b9\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>SSE \u662f\u4ec0\u4e48<\/td>\n<td>\u670d\u52a1\u5668\u63a8\u9001\u4e8b\u4ef6&#xff0c;\u5b9e\u73b0\u5b9e\u65f6\u6570\u636e\u6d41<\/td>\n<\/tr>\n<tr>\n<td>\u4f55\u65f6\u4f7f\u7528<\/td>\n<td>\u9700\u8981\u5b9e\u65f6\u63a5\u6536\u670d\u52a1\u5668\u6570\u636e\u66f4\u65b0<\/td>\n<\/tr>\n<tr>\n<td>\u6838\u5fc3\u53c2\u6570<\/td>\n<td>URL&#xff08;\u670d\u52a1\u5668\u5730\u5740&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u6700\u4f73\u5b9e\u8df5<\/td>\n<td>\u7ed3\u5408 Function \u8282\u70b9\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u6761\u4ef6\u5224\u65ad<\/td>\n<\/tr>\n<tr>\n<td>\u76d1\u63a7\u65e5\u5fd7<\/td>\n<td>\u8bb0\u5f55\u6240\u6709\u63a5\u6536\u7684\u4e8b\u4ef6\u4fbf\u4e8e\u8c03\u8bd5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<ul>\n<li>\u5b98\u65b9\u6587\u6863<\/li>\n<li>n8n\u7cfb\u5217\u6559\u7a0b<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u3010n8n\u6559\u7a0b\u3011&#xff1a;SSE Trigger\u8282\u70b9&#xff0c;\u5b9e\u65f6\u63a5\u6536\u670d\u52a1\u5668\u63a8\u9001\u4e8b\u4ef6<br \/>\n\u672c\u6559\u7a0b\u5c06\u5e26\u4f60\u4ece\u96f6\u5f00\u59cb\u638c\u63e1 SSE Trigger \u8282\u70b9&#xff0c;\u4e00\u4e2a\u5f3a\u5927\u7684\u5b9e\u65f6\u6570\u636e\u63a5\u6536\u5de5\u5177\u3002\u5982\u679c\u4f60\u60f3\u8ba9 n8n \u5de5\u4f5c\u6d41\u80fd\u591f\u5b9e\u65f6\u63a5\u6536\u6765\u81ea\u670d\u52a1\u5668\u7684\u6d88\u606f\u63a8\u9001&#xff0c;\u800c\u4e0d\u662f\u88ab\u52a8\u7b49\u5f85\u8bf7\u6c42&#xff0c;\u90a3\u4e48\u8fd9\u4e2a\u6559\u7a0b\u5c31\u662f\u4e3a\u4f60\u51c6\u5907\u7684\u3002<br \/>\n&#x1f3af; \u5b66\u4e60\u76ee\u6807<br \/>\n\u2705 \u7406\u89e3\u4ec0\u4e48\u662f\u670d\u52a1\u5668\u53d1\u9001\u4e8b\u4ef6&#xff08;SSE&#xff09;\u2705 \u638c\u63e1 SSE Trigger \u8282\u70b9\u7684\u914d\u7f6e\u2705<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[66,52,53,50],"topic":[],"class_list":{"0":"post-63864","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-server","7":"tag-ai","8":"tag-aigc","10":"tag-50"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010n8n\u6559\u7a0b\u3011\uff1aSSE Trigger\u8282\u70b9\uff0c\u5b9e\u65f6\u63a5\u6536\u670d\u52a1\u5668\u63a8\u9001\u4e8b\u4ef6 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/63864.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010n8n\u6559\u7a0b\u3011\uff1aSSE Trigger\u8282\u70b9\uff0c\u5b9e\u65f6\u63a5\u6536\u670d\u52a1\u5668\u63a8\u9001\u4e8b\u4ef6 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u3010n8n\u6559\u7a0b\u3011&#xff1a;SSE Trigger\u8282\u70b9&#xff0c;\u5b9e\u65f6\u63a5\u6536\u670d\u52a1\u5668\u63a8\u9001\u4e8b\u4ef6 \u672c\u6559\u7a0b\u5c06\u5e26\u4f60\u4ece\u96f6\u5f00\u59cb\u638c\u63e1 SSE Trigger \u8282\u70b9&#xff0c;\u4e00\u4e2a\u5f3a\u5927\u7684\u5b9e\u65f6\u6570\u636e\u63a5\u6536\u5de5\u5177\u3002\u5982\u679c\u4f60\u60f3\u8ba9 n8n \u5de5\u4f5c\u6d41\u80fd\u591f\u5b9e\u65f6\u63a5\u6536\u6765\u81ea\u670d\u52a1\u5668\u7684\u6d88\u606f\u63a8\u9001&#xff0c;\u800c\u4e0d\u662f\u88ab\u52a8\u7b49\u5f85\u8bf7\u6c42&#xff0c;\u90a3\u4e48\u8fd9\u4e2a\u6559\u7a0b\u5c31\u662f\u4e3a\u4f60\u51c6\u5907\u7684\u3002 &#x1f3af; \u5b66\u4e60\u76ee\u6807 \u2705 \u7406\u89e3\u4ec0\u4e48\u662f\u670d\u52a1\u5668\u53d1\u9001\u4e8b\u4ef6&#xff08;SSE&#xff09;\u2705 \u638c\u63e1 SSE Trigger \u8282\u70b9\u7684\u914d\u7f6e\u2705\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/63864.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-22T05:56:49+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" 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