{"id":41410,"date":"2023-07-20T13:40:28","date_gmt":"2023-12-30T06:28:33","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8node-red%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8elasticsearch%e7%9a%84%e6%96%b9%e6%b3%95%e3%80%82\/"},"modified":"2024-04-30T14:28:03","modified_gmt":"2024-04-30T06:28:03","slug":"%e5%9c%a8node-red%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8elasticsearch%e7%9a%84%e6%96%b9%e6%b3%95%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8node-red%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8elasticsearch%e7%9a%84%e6%96%b9%e6%b3%95%e3%80%82\/","title":{"rendered":"\u5728Node-RED\u4e2d\u5982\u4f55\u4f7f\u7528Elasticsearch\u7684\u65b9\u6cd5"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u7531\u4e8e\u5728Node-RED\u4e2d\u7ecf\u5e38\u5411Elasticsearch\u6295\u653e\u6570\u636e\uff0c\u56e0\u6b64\u6211\u60f3\u5199\u4e00\u4e9b\u7ecf\u9a8c\u6280\u5de7\u3002<br \/>\n\u867d\u7136\u6709\u5404\u79cd\u9644\u52a0\u8282\u70b9\uff0c\u4f46Elasticsearch\u7684\u7248\u672c\u66f4\u65b0\u5f88\u5feb\uff0cAPI\u4e5f\u53ef\u80fd\u4f1a\u53d1\u751f\u53d8\u5316\u3002<br \/>\n\u56e0\u6b64\uff0c\u6211\u8ba4\u4e3a\u6700\u597d\u7684\u505a\u6cd5\u662f\u7ed3\u5408\u4f7f\u7528\u6807\u51c6\u8282\u70b9\u3002<\/p>\n<h1>\u8f6f\u4ef6\u73af\u5883<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Node-RED v1.0.3<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Elasticsearch 7.3.2<\/ul>\n<h2>\u5c06\u6d41\u7a0b\u7ec6\u5206\u5316<\/h2>\n<p>\u9996\u5148\uff0c\u5c06\u4e0eElasticsearch\u901a\u4fe1\u7684http\u8282\u70b9\u62c6\u5206\u6210\u5b50\u6d41\u7a0b\u3002\u8fd9\u6837\uff0c\u6bcf\u6b21\u5728\u5b89\u88c5\u8282\u70b9\u65f6\u90fd\u4e0d\u9700\u8981\u8bbe\u7f6e\u8bf8\u5982BASIC\u8eab\u4efd\u9a8c\u8bc1\u4e4b\u7c7b\u7684\u4fe1\u606f\u3002\u53e6\u5916\uff0c\u8ba9\u6211\u4eec\u59cb\u7ec8\u5728\u5934\u90e8\u6dfb\u52a0&#8221;Content-Type: &#8216;application\/json'&#8221;\u3002\u8fd9\u6837\u505a\u53ef\u4ee5\u8282\u7701\u4e00\u4e9b\u8fde\u63a5Elasticsearch\u7684\u8bbe\u7f6e\u65f6\u95f4\u3002<br \/>\n\u7531\u4e8eURL\u548c\u65b9\u6cd5\u4f1a\u6839\u636e\u8bf7\u6c42\u7684\u4e0d\u540c\u800c\u53d8\u5316\uff0c\u56e0\u6b64\u5728\u5b50\u6d41\u7a0b\u4e2d\u4e0d\u9700\u8981\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d467237434c4406ca536e\/6-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-12-07 19.29.26.png\" \/><\/div>\n<p>\u6211\u5199\u7684\u4ee3\u7801\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">[{<\/span><span class=\"nl\">\"id\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"3f7774f5.a6a20c\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"type\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"subflow\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"name\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"Elasticsearch\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"info\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"category\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"in\"<\/span><span class=\"p\">:[{<\/span><span class=\"nl\">\"x\"<\/span><span class=\"p\">:<\/span><span class=\"mi\">50<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"y\"<\/span><span class=\"p\">:<\/span><span class=\"mi\">30<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"wires\"<\/span><span class=\"p\">:[{<\/span><span class=\"nl\">\"id\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"c5bb15c.4c10de8\"<\/span><span class=\"p\">}]}],<\/span><span class=\"nl\">\"out\"<\/span><span class=\"p\">:[{<\/span><span class=\"nl\">\"x\"<\/span><span class=\"p\">:<\/span><span class=\"mi\">580<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"y\"<\/span><span class=\"p\">:<\/span><span class=\"mi\">30<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"wires\"<\/span><span class=\"p\">:[{<\/span><span class=\"nl\">\"id\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"19d2a3b.d048a5c\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"port\"<\/span><span class=\"p\">:<\/span><span class=\"mi\">0<\/span><span class=\"p\">}]}],<\/span><span class=\"nl\">\"env\"<\/span><span class=\"p\">:[],<\/span><span class=\"nl\">\"color\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"#DDAA99\"<\/span><span class=\"p\">},{<\/span><span class=\"nl\">\"id\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"eeda88c1.f8b278\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"type\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"http request\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"z\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"3f7774f5.a6a20c\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"name\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"Elasticsearch\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"method\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"use\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"ret\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"txt\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"paytoqs\"<\/span><span class=\"p\">:<\/span><span class=\"kc\">false<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"url\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"tls\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"persist\"<\/span><span class=\"p\">:<\/span><span class=\"kc\">false<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"proxy\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"authType\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"basic\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"x\"<\/span><span class=\"p\">:<\/span><span class=\"mi\">340<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"y\"<\/span><span class=\"p\">:<\/span><span class=\"mi\">30<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"wires\"<\/span><span class=\"p\">:[[<\/span><span class=\"s2\">\"19d2a3b.d048a5c\"<\/span><span class=\"p\">]]},{<\/span><span class=\"nl\">\"id\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"c5bb15c.4c10de8\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"type\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"change\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"z\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"3f7774f5.a6a20c\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"name\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"msg.headers\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"rules\"<\/span><span class=\"p\">:[{<\/span><span class=\"nl\">\"t\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"delete\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"p\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"headers\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"pt\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"msg\"<\/span><span class=\"p\">},{<\/span><span class=\"nl\">\"t\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"set\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"p\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"headers\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"pt\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"msg\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"to\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"{<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">Content-Type<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">:<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">application\/json<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">,<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">Connection<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">:<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">close<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">}\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"tot\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"json\"<\/span><span class=\"p\">}],<\/span><span class=\"nl\">\"action\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"property\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"from\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"to\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"reg\"<\/span><span class=\"p\">:<\/span><span class=\"kc\">false<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"x\"<\/span><span class=\"p\">:<\/span><span class=\"mi\">170<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"y\"<\/span><span class=\"p\">:<\/span><span class=\"mi\">30<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"wires\"<\/span><span class=\"p\">:[[<\/span><span class=\"s2\">\"eeda88c1.f8b278\"<\/span><span class=\"p\">]]},{<\/span><span class=\"nl\">\"id\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"19d2a3b.d048a5c\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"type\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"json\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"z\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"3f7774f5.a6a20c\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"name\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"property\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"payload\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"action\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"\"<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"pretty\"<\/span><span class=\"p\">:<\/span><span class=\"kc\">false<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"x\"<\/span><span class=\"p\">:<\/span><span class=\"mi\">490<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"y\"<\/span><span class=\"p\">:<\/span><span class=\"mi\">30<\/span><span class=\"p\">,<\/span><span class=\"nl\">\"wires\"<\/span><span class=\"p\">:[[]]}]<\/span>\r\n<\/code><\/pre>\n<h2>1. \u6570\u636e\u5bfc\u5165<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u63a5\u6536\u6765\u81ea\u73af\u5883\u4f20\u611f\u5668\u7684\u4fe1\u6807\u5e76\u5c06\u6570\u636e\u6295\u5165Elasticsearch\u7684\u793a\u4f8b\uff0c\u5b83\u88ab\u79f0\u4e3a\u8fde\u63a5\u8bbe\u5907\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d467237434c4406ca536e\/11-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-12-07 19.40.59.png\" \/><\/div>\n<p>\u4ece\u8fde\u63a5\u626b\u63cf\u5668\u8282\u70b9\u4f20\u9012\u7684\u6570\u636e\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d467237434c4406ca536e\/13-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-12-07 19.42.03.png\" \/><\/div>\n<p>\u4e3a\u4e86\u5c06\u6b64\u6570\u636e\u8f93\u5165\u5230Elasticsearch\u4e2d\uff0c\u6211\u4eec\u5728Change\u8282\u70b9\u4e2d\u8bbe\u7f6emsg.method\u548cmsg.url\u3002<br \/>\nmsg.url\u4f7f\u7528\u524d\u4e00\u4e2a\u8282\u70b9\u7684\u503c\u6765\u751f\u6210\u52a8\u6001URL\u3002<br \/>\n\u867d\u7136\u7f16\u5199\u7a0b\u5e8f\u5f80\u5f80\u4f1a\u4f9d\u8d56\u4e8efunction\u8282\u70b9\uff0c\u4f46\u5b9e\u9645\u4e0a\u53ef\u4ee5\u4e0d\u4f7f\u7528\u5b83\u6765\u751f\u6210\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d467237434c4406ca536e\/15-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-12-07 19.46.37.png\" \/><\/div>\n<p>\u987a\u4fbf\u63d0\u4e00\u53e5\uff0c\u4f7f\u7528JSONata\u8868\u8fbe\u5f0f\u53ef\u4ee5\u5728Change\u8282\u70b9\u4e2d\u751f\u6210\u5f53\u524d\u65f6\u95f4\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d467237434c4406ca536e\/17-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-12-07 19.51.55.png\" \/><\/div>\n<p>\u4f7f\u7528\u6a21\u677f\u8282\u70b9\u751f\u6210\u8981\u6295\u5165\u5230Elasticsearch\u7684JSON\u6570\u636e\u3002<br \/>\n\u4f7f\u7528Mustache\u6a21\u677f\uff0c\u53ef\u4ee5\u4f7f\u7528msg\u5bf9\u8c61\u5185\u7684\u6570\u636e\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d467237434c4406ca536e\/19-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-12-07 20.04.45.png\" \/><\/div>\n<p>\u8fd9\u4e2a\u6d41\u7a0b\u7684\u8f93\u51fa\u5728\u8fd9\u91cc\u3002(\u5305\u62ecElasticsearch\u5b50\u6d41\u7a0b)<\/p>\n<pre class=\"post-pre\"><code>[{\"id\":\"3f7774f5.a6a20c\",\"type\":\"subflow\",\"name\":\"Elasticsearch\",\"info\":\"\",\"category\":\"\",\"in\":[{\"x\":50,\"y\":30,\"wires\":[{\"id\":\"c5bb15c.4c10de8\"}]}],\"out\":[{\"x\":580,\"y\":30,\"wires\":[{\"id\":\"19d2a3b.d048a5c\",\"port\":0}]}],\"env\":[],\"color\":\"#DDAA99\"},{\"id\":\"eeda88c1.f8b278\",\"type\":\"http request\",\"z\":\"3f7774f5.a6a20c\",\"name\":\"Elasticsearch\",\"method\":\"use\",\"ret\":\"txt\",\"paytoqs\":false,\"url\":\"\",\"tls\":\"\",\"persist\":false,\"proxy\":\"\",\"authType\":\"basic\",\"x\":340,\"y\":30,\"wires\":[[\"19d2a3b.d048a5c\"]]},{\"id\":\"c5bb15c.4c10de8\",\"type\":\"change\",\"z\":\"3f7774f5.a6a20c\",\"name\":\"msg.headers\",\"rules\":[{\"t\":\"delete\",\"p\":\"headers\",\"pt\":\"msg\"},{\"t\":\"set\",\"p\":\"headers\",\"pt\":\"msg\",\"to\":\"{\\\"Content-Type\\\":\\\"application\/json\\\",\\\"Connection\\\":\\\"close\\\"}\",\"tot\":\"json\"}],\"action\":\"\",\"property\":\"\",\"from\":\"\",\"to\":\"\",\"reg\":false,\"x\":170,\"y\":30,\"wires\":[[\"eeda88c1.f8b278\"]]},{\"id\":\"19d2a3b.d048a5c\",\"type\":\"json\",\"z\":\"3f7774f5.a6a20c\",\"name\":\"\",\"property\":\"payload\",\"action\":\"\",\"pretty\":false,\"x\":490,\"y\":30,\"wires\":[[]]},{\"id\":\"e6695b94.08cca8\",\"type\":\"subflow:3f7774f5.a6a20c\",\"z\":\"f4557e75.b0f3f\",\"x\":640,\"y\":140,\"wires\":[[]]},{\"id\":\"7108220c.1b5d9c\",\"type\":\"change\",\"z\":\"f4557e75.b0f3f\",\"name\":\"POST _doc\",\"rules\":[{\"t\":\"set\",\"p\":\"method\",\"pt\":\"msg\",\"to\":\"POST\",\"tot\":\"str\"},{\"t\":\"set\",\"p\":\"url\",\"pt\":\"msg\",\"to\":\"http:\/\/localhost:9200\/sensor-\",\"tot\":\"str\"},{\"t\":\"change\",\"p\":\"url\",\"pt\":\"msg\",\"from\":\"$\",\"fromt\":\"re\",\"to\":\"payload.service\",\"tot\":\"msg\"},{\"t\":\"change\",\"p\":\"url\",\"pt\":\"msg\",\"from\":\"$\",\"fromt\":\"re\",\"to\":\"\/_doc\",\"tot\":\"str\"},{\"t\":\"set\",\"p\":\"date\",\"pt\":\"msg\",\"to\":\"$now()\",\"tot\":\"jsonata\"}],\"action\":\"\",\"property\":\"\",\"from\":\"\",\"to\":\"\",\"reg\":false,\"x\":280,\"y\":140,\"wires\":[[\"69e18d2a.9e18d4\"]]},{\"id\":\"69e18d2a.9e18d4\",\"type\":\"template\",\"z\":\"f4557e75.b0f3f\",\"name\":\"ES Query JSON\",\"field\":\"payload\",\"fieldType\":\"msg\",\"format\":\"handlebars\",\"syntax\":\"mustache\",\"template\":\"{\\n    \\\"date\\\": \\\"{{{date}}}\\\",\\n    \\\"device\\\": \\\"{{{payload.device}}}\\\",\\n    \\\"{{payload.service}}\\\": {{{payload.data}}}\\n}\",\"output\":\"str\",\"x\":460,\"y\":140,\"wires\":[[\"e6695b94.08cca8\"]]},{\"id\":\"d541687c.a302d8\",\"type\":\"linking-scanner\",\"z\":\"f4557e75.b0f3f\",\"name\":\"\",\"autostart\":true,\"duration\":\"\",\"interval\":\"30\",\"x\":100,\"y\":140,\"wires\":[[\"7108220c.1b5d9c\"]]}]\r\n<\/code><\/pre>\n<h2>2. \u65f6\u95f4\u5e8f\u5217\u67e5\u8be2<\/h2>\n<p>\u5982\u679c\u8981\u641c\u7d22\u6700\u65b0\u7684\u6e29\u5ea6\uff0c\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u6d41\u7a0b\u3002\u53ea\u9700\u4f7f\u7528Change\u8282\u70b9\u548cElasticsearch\u5b50\u6d41\u7a0b\u5373\u53ef\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d467237434c4406ca536e\/24-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-12-07 20.26.53.png\" \/><\/div>\n<p>Change\u8282\u70b9\u4f1a\u5c06\u641c\u7d22\u67e5\u8be2\u8bbe\u7f6e\u7ed9msg.method\uff0cmsg.url\u548cmsg.payload\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d467237434c4406ca536e\/26-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-12-07 20.29.16.png\" \/><\/div>\n<p>\u4ee5\u4e0b\u662fElasticsearch\u7684\u67e5\u8be2\u8bed\u53e5\u3002\u5c06\u65e5\u671f\u6309\u7167\u964d\u5e8f\u6392\u5217\uff0c\u5e76\u4e14\u53ea\u8bf7\u6c42\u7b2c\u4e00\u6761\u8bb0\u5f55\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d467237434c4406ca536e\/28-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-12-07 20.32.02.png\" \/><\/div>\n<p>\u7ed3\u679c\u5c06\u5982\u4e0b\u6240\u793a\u3002\u6570\u636e\u5c06\u8fd4\u56de\u5230msg.payload.hits.hits[0]._source\u4e2d\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d467237434c4406ca536e\/30-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-12-07 20.27.13.png\" \/><\/div>\n<p>\u6700\u8fd110\u5206\u949f\u7684\u5e73\u5747\u503c\u662f\u901a\u8fc7\u4ee5\u4e0b\u641c\u7d22\u67e5\u8be2\u8fdb\u884c\u8ba1\u7b97\u7684\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d467237434c4406ca536e\/32-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-12-07 20.44.59.png\" \/><\/div>\n<p>msg.payload.aggregations.temperature_avg.buckets[0].aggs.value\u5df2\u7ecf\u5305\u542b\u5728\u5185\u4e86\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d467237434c4406ca536e\/34-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-12-07 20.45.22.png\" \/><\/div>\n<h2>3. \u5355\u8bcd\u5206\u6790<\/h2>\n<p>\u5728Elasticsearch\u4e2d\uff0c\u53ef\u4ee5\u8fdb\u884c\u5206\u8bcd\u7b49\u64cd\u4f5c\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d467237434c4406ca536e\/37-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-12-07 21.08.26.png\" \/><\/div>\n<p>\u5982\u679c\u60a8\u60f3\u5c06\u65e5\u6587\u62c6\u5206\u6210\u5355\u8bcd\uff0c\u60a8\u9700\u8981\u5b89\u88c5Elasticsearch\u63d2\u4ef6analysis-kuromoji\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d467237434c4406ca536e\/39-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-12-07 21.10.10.png\" \/><\/div>\n<p>\u7ed3\u679c\u5b58\u50a8\u5728msg.payload.tokens[]\u4e2d\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d467237434c4406ca536e\/41-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-12-07 21.12.58.png\" \/><\/div>\n<p>\u6211\u8ba4\u4e3a\u53ea\u8981\u6709\u5355\u8bcd\uff0c\u5c31\u80fd\u591f\u8fdb\u884c\u5355\u8bcd\u5206\u6790\u7b49\u64cd\u4f5c\u3002<\/p>\n<p>\u5728Node-RED\u4e2d\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u548c\u6620\u5c04\u6765\u66f4\u65b0\u7528\u6237\u8bcd\u5178\uff0c\u540c\u65f6\u8fd8\u53ef\u4ee5\u4f7f\u7528\u6587\u4ef6\u8282\u70b9\u4e0e\u5176\u7ec4\u5408\u3002<\/p>\n<h1>\u6700\u540e<\/h1>\n<p>\u5728\u6211\u4e2a\u4eba\u770b\u6765\uff0c\u6211\u8ba4\u4e3aNode-RED\u548cElasticsearch\u975e\u5e38\u9002\u5408\u642d\u914d\u4f7f\u7528\u3002\u5728\u5b9e\u9645\u5de5\u4f5c\u4e2d\uff0c\u6211\u4eec\u4f1a\u5c06\u5206\u6790\u6570\u636e\u5d4c\u5165\u5230\u539f\u59cb\u6570\u636e\u4e2d\uff0c\u5e76\u4f7f\u7528Kibana\u8fdb\u884c\u53ef\u89c6\u5316\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u7531\u4e8e\u5728Node-RED\u4e2d\u7ecf\u5e38\u5411Elasticsearch\u6295\u653e\u6570\u636e\uff0c\u56e0\u6b64\u6211\u60f3\u5199\u4e00\u4e9b\u7ecf\u9a8c\u6280\u5de7\u3002 \u867d\u7136\u6709\u5404\u79cd\u9644 [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-41410","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5728Node-RED\u4e2d\u5982\u4f55\u4f7f\u7528Elasticsearch\u7684\u65b9\u6cd5 - Blog - Silicon Cloud<\/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.silicloud.com\/zh\/blog\/\u5728node-red\u4e2d\u5982\u4f55\u4f7f\u7528elasticsearch\u7684\u65b9\u6cd5\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" 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