{"id":46949,"date":"2023-04-06T20:01:46","date_gmt":"2023-02-12T18:18:09","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8kafka-stream%e6%9d%a5%e5%90%91line%e5%8f%91%e9%80%81%e9%80%9a%e7%9f%a5\/"},"modified":"2024-04-29T22:15:04","modified_gmt":"2024-04-29T14:15:04","slug":"%e4%bd%bf%e7%94%a8kafka-stream%e6%9d%a5%e5%90%91line%e5%8f%91%e9%80%81%e9%80%9a%e7%9f%a5","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8kafka-stream%e6%9d%a5%e5%90%91line%e5%8f%91%e9%80%81%e9%80%9a%e7%9f%a5\/","title":{"rendered":"\u4f7f\u7528Kafka Stream\u6765\u5411Line\u53d1\u9001\u901a\u77e5"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u5728\u5f00\u59cbIoT\u5f00\u53d1\u7684ESP32\u4e0a\u4f7f\u7528Kafka\u65f6\uff0c\u6211\u6253\u7b97\u7a0d\u5fae\u6269\u5c55\u4e00\u4e0b\uff0c\u5e76\u5c1d\u8bd5\u642d\u5efa\u4e00\u4e2a\u5c06\u901a\u77e5\u53d1\u9001\u5230Line\u7684\u529f\u80fd\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7bbf913a08637a69a35a\/2-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u6211\u8fd9\u91cc\u6240\u8bf4\u7684Kafka Stream -&gt; Firebase -&gt; Line<\/p>\n<p>\u5f00\u53d1\u73af\u5883- \u5efa\u7acb\u8f6f\u4ef6\u6216\u5e94\u7528\u7a0b\u5e8f\u65f6\u6240\u7528\u7684\u5de5\u5177\u3001\u6846\u67b6\u548c\u5e73\u53f0\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">windows 10<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Software<\/ul>\n<\/li>\n<\/ul>\n<p>node.js: 16.13.1(12.0\u4ee5\u964d\u3067\u3042\u308c\u3070\u554f\u984c\u306a\u3044\u30cf\u30ba)<\/p>\n<h1>\u7ed3\u5c40<\/h1>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7bbf913a08637a69a35a\/7-0.png\" alt=\"drawing\" \/><\/div>\n<p>&nbsp;<\/p>\n<h1>Line Messaging API\u65b9\u6848<\/h1>\n<p>\u8981\u505a\u7684\u4e8b\u60c5\u662f\u4ec0\u4e48\uff1f<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Firebase Functions &amp; Firestore\u30a2\u30d7\u30ea\u3092\u4f5c\u6210\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>Line Developers Console\u304b\u3089Messaging API\u306echannel\u3092\u4f5c\u308b<br \/>\nFirebase Functions\u3068Line Messaging API\u3092\u9023\u52d5\u3055\u305b\u308b<br \/>\n\u81ea\u8eab\u306e\u7aef\u672b\u304b\u3089\u8a8d\u8a3c\u3059\u308b<\/p>\n<h2>\u521b\u5efaFirebase Functions\u548cFirestore\u5e94\u7528\u7a0b\u5e8f<\/h2>\n<p>\u5728Firebase\u63a7\u5236\u53f0\u4e0a\u521b\u5efa\u4e00\u4e2a\u65b0\u9879\u76ee\u3002<\/p>\n<ul class=\"post-ul\">\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u540d: esp32-iot-notificator<\/ul>\n<p>\u4e00\u65e6\u9879\u76ee\u5b8c\u6210\uff0c\u5c31\u521b\u5efaFirestore\u6570\u636e\u5e93\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7bbf913a08637a69a35a\/16-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5982\u679c\u80fd\u591f\u521b\u5efa\u6570\u636e\u5e93\uff0c\u8bf7\u5148\u521b\u5efa\u96c6\u5408\u5143\u7d20\u3002\u96c6\u5408\u540d\u79f0\u4e3aline-notificate-users\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7bbf913a08637a69a35a\/18-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u63a5\u4e0b\u6765\u662f\u5bf9functions\u7684\u8bbe\u7f6e\u3002\u9700\u8981\u6539\u53d8\u5230\u6309\u91cf\u8ba1\u8d39\uff0c\u56e0\u6b64\u8981\u9f13\u8d77\u52c7\u6c14\u5207\u6362\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7bbf913a08637a69a35a\/20-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u7acb\u5373\u5728\u672c\u5730\u521b\u5efa\u9879\u76ee\u5e76\u7ee7\u7eed\u524d\u8fdb<\/p>\n<pre class=\"post-pre\"><code>firebase login <span class=\"nt\">--no-localhost<\/span> <span class=\"nt\">--interactive<\/span>\r\nfirebase init\r\n<\/code><\/pre>\n<p>\u5728\u4e0b\u9762\u6253\u52fe<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">firestore<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">functions<\/ul>\n<p>\u6682\u65f6\u5148\u4fee\u6b63functions\/src\/index.ts\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"o\">*<\/span> <span class=\"k\">as<\/span> <span class=\"nx\">functions<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">firebase-functions<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">export<\/span> <span class=\"kd\">const<\/span> <span class=\"nx\">callback<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">functions<\/span><span class=\"p\">.<\/span><span class=\"nx\">https<\/span><span class=\"p\">.<\/span><span class=\"nf\">onRequest<\/span><span class=\"p\">((<\/span><span class=\"nx\">request<\/span><span class=\"p\">,<\/span> <span class=\"nx\">response<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">functions<\/span><span class=\"p\">.<\/span><span class=\"nx\">logger<\/span><span class=\"p\">.<\/span><span class=\"nf\">info<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">response<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"nx\">request<\/span><span class=\"p\">.<\/span><span class=\"nx\">body<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"nx\">response<\/span><span class=\"p\">.<\/span><span class=\"nf\">status<\/span><span class=\"p\">(<\/span><span class=\"mi\">200<\/span><span class=\"p\">).<\/span><span class=\"nf\">send<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">callback<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<p>\u90e8\u7f72<\/p>\n<pre class=\"post-pre\"><code>firebase deploy\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5728Firebase\u7684\u754c\u9762\u4e0a\u6ce8\u518c\u4e86\u56de\u8c03\uff0c\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7bbf913a08637a69a35a\/30-0.png\" alt=\"image.png\" \/><\/div>\n<h2>\u5728Line\u5f00\u53d1\u8005\u63a7\u5236\u53f0\u4e0a\u521b\u5efaMessaging API\u7684\u9891\u9053\u3002<\/h2>\n<p>\u9996\u5148\uff0c\u6309\u7167\u4ecb\u7ecd\u4e2d\u4f7f\u7528LINE\u7684Messaging API\u6765\u8fdb\u884c\u4e3b\u52a8\u901a\u77e5\u7684\u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u9891\u9053\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7bbf913a08637a69a35a\/33-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5c06\u521a\u521a\u6ce8\u518c\u51fd\u6570\u7684\u56de\u8c03URL\u8bbe\u7f6e\u4e3aWebhook URL\u3002\u901a\u8fc7\u8bbe\u7f6e\u7684\u8fd9\u4e2a\u56de\u8c03\uff0c\u53ef\u4ee5\u5728Line\u7528\u6237\u6ce8\u518c\u5e94\u7528\u7a0b\u5e8f\u5e76\u5411\u9891\u9053\u53d1\u9001\u6d88\u606f\u65f6\u7b49\u60c5\u51b5\u4e0b\u8c03\u7528\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7bbf913a08637a69a35a\/35-0.png\" alt=\"image.png\" \/><\/div>\n<h2>\u5c06Firebase Functions\u4e0eLine Messaging API\u8fdb\u884c\u8fde\u63a5\u3002<\/h2>\n<p>\u9996\u5148\uff0c\u9700\u8981\u6574\u7406\u8981\u505a\u7684\u4e8b\u60c5\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7bbf913a08637a69a35a\/38-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u56e0\u6b64\uff0c\u9700\u8981\u5728\u4ee5\u4e0b\u65f6\u95f4\u6bb5\u5185\u7f16\u5199\u89e6\u53d1\u51fd\u6570\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30e6\u30fc\u30b6\u30fc\u304cchannel\u3092\u53cb\u9054\u627f\u8a8d\u3057\u305f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u80fd\u52d5\u7684\u306b\u6253\u3064<\/ul>\n<h3>\u7528\u6237\u540c\u610f\u4e86\u9891\u9053\u6216\u53d1\u9001\u4e86\u6d88\u606f<\/h3>\n<p>\u672c\u6b21\uff0c\u5f53\u6536\u5230\u6d88\u606f\u65f6\u4f1a\u81ea\u52a8\u8fdb\u884c\u6ce8\u518c\u3002\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u6536\u5230\u6d88\u606f\u65f6\u56de\u8c03\u63a5\u6536\u7684\u8bf7\u6c42\u76ee\u524d\u5982\u4e0b\uff08\u622a\u81f32022\u5e744\u670811\u65e5\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"events\"<\/span><span class=\"p\">:[<\/span>\r\n        <span class=\"p\">{<\/span>\r\n            <span class=\"nl\">\"message\"<\/span><span class=\"p\">:{<\/span>\r\n                <span class=\"nl\">\"id\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"15899930248440\"<\/span><span class=\"p\">,<\/span>\r\n                <span class=\"nl\">\"type\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"text\"<\/span><span class=\"p\">,<\/span>\r\n                <span class=\"nl\">\"text\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"\u304a\u3044\"<\/span>\r\n            <span class=\"p\">},<\/span>\r\n            <span class=\"nl\">\"source\"<\/span><span class=\"p\">:{<\/span>\r\n                <span class=\"nl\">\"type\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"user\"<\/span><span class=\"p\">,<\/span>\r\n                <span class=\"nl\">\"userId\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"&lt;line\u30e6\u30fc\u30b6\u30fc\u306eID&gt;\"<\/span>\r\n            <span class=\"p\">},<\/span>\r\n            <span class=\"nl\">\"type\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"message\"<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"nl\">\"replyToken\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"&lt;\u8fd4\u4fe1\u306a\u3069\u3067\u5fc5\u8981\u3068\u306a\u308b\u30c8\u30fc\u30af\u30f3&gt;\"<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"nl\">\"timestamp\"<\/span><span class=\"p\">:<\/span><span class=\"mi\">1649672154163<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"nl\">\"mode\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"active\"<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">],<\/span>\r\n    <span class=\"nl\">\"destination\"<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"&lt;channel\u306e\u30e6\u30fc\u30b6\u30fcID&gt;\"<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u91cc\u9700\u8981\u83b7\u53d6\u7684\u662fevents[].source.userId\u3002\u987a\u4fbf\u8bf4\u4e00\u4e0b\uff0c\u8fd9\u4e2auserId\u4e0d\u662f\u663e\u793a\u5728Line\u4e2a\u4eba\u8d44\u6599\u4e2d\u7684ID\uff0c\u800c\u662f\u5728\u6d88\u606f\u7684\u53d1\u9001\u548c\u63a5\u6536\u4e2d\u9700\u8981\u4f7f\u7528\u7684\u53e6\u4e00\u4e2aID\u3002<\/p>\n<p>\u5c06callback\u51fd\u6570\u63a5\u6536\u7684\u6570\u636e\u5b58\u50a8\u5230Firestore\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"o\">*<\/span> <span class=\"k\">as<\/span> <span class=\"nx\">functions<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">firebase-functions<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"o\">*<\/span> <span class=\"k\">as<\/span> <span class=\"nx\">admin<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">firebase-admin<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"nx\">admin<\/span><span class=\"p\">.<\/span><span class=\"nf\">initializeApp<\/span><span class=\"p\">();<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">db<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">admin<\/span><span class=\"p\">.<\/span><span class=\"nf\">firestore<\/span><span class=\"p\">();<\/span>\r\n<span class=\"nx\">db<\/span><span class=\"p\">.<\/span><span class=\"nf\">settings<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">ignoreUndefinedProperties<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">});<\/span>\r\n\r\n<span class=\"k\">export<\/span> <span class=\"kd\">const<\/span> <span class=\"nx\">callback<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">functions<\/span><span class=\"p\">.<\/span><span class=\"nx\">https<\/span><span class=\"p\">.<\/span><span class=\"nf\">onRequest<\/span><span class=\"p\">((<\/span><span class=\"nx\">request<\/span><span class=\"p\">,<\/span> <span class=\"nx\">response<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"kd\">const<\/span> <span class=\"nx\">userId<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">request<\/span><span class=\"p\">.<\/span><span class=\"nx\">body<\/span><span class=\"p\">.<\/span><span class=\"nx\">events<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">].<\/span><span class=\"nx\">source<\/span><span class=\"p\">.<\/span><span class=\"nx\">userId<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nx\">db<\/span><span class=\"p\">.<\/span><span class=\"nf\">collection<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">line-notificate-users<\/span><span class=\"dl\">\"<\/span><span class=\"p\">).<\/span><span class=\"nf\">doc<\/span><span class=\"p\">(<\/span><span class=\"nx\">userId<\/span><span class=\"p\">).<\/span><span class=\"nf\">set<\/span><span class=\"p\">({})<\/span>\r\n      <span class=\"p\">.<\/span><span class=\"nf\">then<\/span><span class=\"p\">(()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nx\">response<\/span><span class=\"p\">.<\/span><span class=\"nf\">status<\/span><span class=\"p\">(<\/span><span class=\"mi\">200<\/span><span class=\"p\">).<\/span><span class=\"nf\">send<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">Complete<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"p\">})<\/span>\r\n      <span class=\"p\">.<\/span><span class=\"k\">catch<\/span><span class=\"p\">((<\/span><span class=\"nx\">error<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nx\">response<\/span><span class=\"p\">.<\/span><span class=\"nf\">status<\/span><span class=\"p\">(<\/span><span class=\"mi\">500<\/span><span class=\"p\">).<\/span><span class=\"nf\">send<\/span><span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"p\">});<\/span>\r\n<span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<h3>\u4e3b\u52a8\u53d1\u6d88\u606f<\/h3>\n<p>\u5047\u8bbe\u6d88\u606f\u90e8\u5206\u7531Kafka\u8c03\u7528\u5e76\u5b58\u50a8\u5728Firestore\u4e2d\uff0c\u5411\u5b58\u50a8\u5728Firestore\u4e2d\u7684\u7528\u6237\u53d1\u9001\u6d88\u606f\u3002<\/p>\n<p>\u9996\u5148\uff0c\u5728package.json\u7684dependencies\u4e2d\u6dfb\u52a0\u6240\u9700\u7684\u5305\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"nl\">\"axios\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^0.26.1\"<\/span>\r\n<\/code><\/pre>\n<p>\u8f7b\u91cf\u7ea7\u5b89\u88c5<\/p>\n<pre class=\"post-pre\"><code>npm <span class=\"nb\">install<\/span>\r\n<\/code><\/pre>\n<p>\u5728index.ts\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u51fd\u6570\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"o\">*<\/span> <span class=\"k\">as<\/span> <span class=\"nx\">functions<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">firebase-functions<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"o\">*<\/span> <span class=\"k\">as<\/span> <span class=\"nx\">admin<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">firebase-admin<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">axios<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span><span class=\"nx\">AxiosInstance<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">axios<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"nx\">admin<\/span><span class=\"p\">.<\/span><span class=\"nf\">initializeApp<\/span><span class=\"p\">();<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">db<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">admin<\/span><span class=\"p\">.<\/span><span class=\"nf\">firestore<\/span><span class=\"p\">();<\/span>\r\n<span class=\"nx\">db<\/span><span class=\"p\">.<\/span><span class=\"nf\">settings<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">ignoreUndefinedProperties<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">});<\/span>\r\n\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">lineToken<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">&lt;line messaging api\u306e\u30c8\u30fc\u30af\u30f3&gt;<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">lineEndpoint<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">https:\/\/api.line.me\/v2\/bot\/message\/push<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">export<\/span> <span class=\"kd\">const<\/span> <span class=\"nx\">notificate<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">functions<\/span><span class=\"p\">.<\/span><span class=\"nx\">https<\/span><span class=\"p\">.<\/span><span class=\"nf\">onRequest<\/span><span class=\"p\">((<\/span><span class=\"nx\">request<\/span><span class=\"p\">,<\/span> <span class=\"nx\">response<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">functions<\/span><span class=\"p\">.<\/span><span class=\"nx\">logger<\/span><span class=\"p\">.<\/span><span class=\"nf\">info<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">request.body.message<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"nx\">request<\/span><span class=\"p\">.<\/span><span class=\"nx\">body<\/span><span class=\"p\">.<\/span><span class=\"nx\">message<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"kd\">const<\/span> <span class=\"nx\">message<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">request<\/span><span class=\"p\">.<\/span><span class=\"nx\">body<\/span><span class=\"p\">.<\/span><span class=\"nx\">message<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nx\">db<\/span><span class=\"p\">.<\/span><span class=\"nf\">collection<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">line-notificate-users<\/span><span class=\"dl\">\"<\/span><span class=\"p\">).<\/span><span class=\"nf\">get<\/span><span class=\"p\">()<\/span>\r\n      <span class=\"p\">.<\/span><span class=\"nf\">then<\/span><span class=\"p\">((<\/span><span class=\"nx\">snapshot<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nx\">snapshot<\/span><span class=\"p\">.<\/span><span class=\"nf\">forEach<\/span><span class=\"p\">((<\/span><span class=\"nx\">doc<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n          <span class=\"kd\">const<\/span> <span class=\"nx\">userId<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">doc<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span><span class=\"p\">;<\/span>\r\n          <span class=\"kd\">const<\/span> <span class=\"nx\">data<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"na\">to<\/span><span class=\"p\">:<\/span> <span class=\"nx\">userId<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"na\">messages<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n              <span class=\"p\">{<\/span>\r\n                <span class=\"na\">type<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">text<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n                <span class=\"na\">text<\/span><span class=\"p\">:<\/span> <span class=\"nx\">message<\/span><span class=\"p\">,<\/span>\r\n              <span class=\"p\">},<\/span>\r\n            <span class=\"p\">],<\/span>\r\n          <span class=\"p\">};<\/span>\r\n          <span class=\"kd\">const<\/span> <span class=\"na\">apiClient<\/span><span class=\"p\">:<\/span> <span class=\"nx\">AxiosInstance<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">axios<\/span><span class=\"p\">.<\/span><span class=\"nf\">create<\/span><span class=\"p\">({<\/span>\r\n            <span class=\"na\">headers<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n              <span class=\"dl\">\"<\/span><span class=\"s2\">Content-type<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">application\/json<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n              <span class=\"dl\">\"<\/span><span class=\"s2\">Authorization<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">Bearer <\/span><span class=\"dl\">\"<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">lineToken<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"p\">},<\/span>\r\n          <span class=\"p\">});<\/span>\r\n          <span class=\"k\">return<\/span> <span class=\"nx\">apiClient<\/span><span class=\"p\">.<\/span><span class=\"nf\">post<\/span><span class=\"p\">(<\/span><span class=\"nx\">lineEndpoint<\/span><span class=\"p\">,<\/span> <span class=\"nx\">JSON<\/span><span class=\"p\">.<\/span><span class=\"nf\">stringify<\/span><span class=\"p\">(<\/span><span class=\"nx\">data<\/span><span class=\"p\">))<\/span>\r\n              <span class=\"p\">.<\/span><span class=\"nf\">then<\/span><span class=\"p\">((<\/span><span class=\"nx\">data<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n                <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">data<\/span><span class=\"p\">);<\/span>\r\n                <span class=\"nx\">functions<\/span><span class=\"p\">.<\/span><span class=\"nx\">logger<\/span><span class=\"p\">.<\/span><span class=\"nf\">info<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">send succeed<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\r\n                <span class=\"nx\">response<\/span><span class=\"p\">.<\/span><span class=\"nf\">status<\/span><span class=\"p\">(<\/span><span class=\"mi\">200<\/span><span class=\"p\">).<\/span><span class=\"nf\">send<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">complete<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\r\n              <span class=\"p\">})<\/span>\r\n              <span class=\"p\">.<\/span><span class=\"k\">catch<\/span><span class=\"p\">((<\/span><span class=\"nx\">error<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n                <span class=\"nx\">functions<\/span><span class=\"p\">.<\/span><span class=\"nx\">logger<\/span><span class=\"p\">.<\/span><span class=\"nf\">error<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">send failure<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"nx\">error<\/span><span class=\"p\">);<\/span>\r\n                <span class=\"nx\">response<\/span><span class=\"p\">.<\/span><span class=\"nf\">status<\/span><span class=\"p\">(<\/span><span class=\"mi\">500<\/span><span class=\"p\">).<\/span><span class=\"nf\">send<\/span><span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">);<\/span>\r\n              <span class=\"p\">});<\/span>\r\n        <span class=\"p\">});<\/span>\r\n      <span class=\"p\">})<\/span>\r\n      <span class=\"p\">.<\/span><span class=\"k\">catch<\/span><span class=\"p\">((<\/span><span class=\"nx\">error<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nx\">functions<\/span><span class=\"p\">.<\/span><span class=\"nx\">logger<\/span><span class=\"p\">.<\/span><span class=\"nf\">error<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">snapshot failure<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"nx\">error<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"nx\">response<\/span><span class=\"p\">.<\/span><span class=\"nf\">status<\/span><span class=\"p\">(<\/span><span class=\"mi\">500<\/span><span class=\"p\">).<\/span><span class=\"nf\">send<\/span><span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"p\">});<\/span>\r\n<span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<h2>\u4ece\u81ea\u5df1\u7684\u8bbe\u5907\u8fdb\u884c\u8eab\u4efd\u8ba4\u8bc1<\/h2>\n<p>\u5728\u81ea\u5df1\u7684Line\u4e0a\u626b\u63cfMessage API\u4e2d\u7684QR\u7801\uff0c\u4ee5\u6210\u4e3a\u670b\u53cb\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7bbf913a08637a69a35a\/57-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u53d1\u9001\u90ae\u7968\u6216\u8005\u5176\u4ed6\u4e1c\u897f\u65f6\uff0c\u4f1a\u6536\u5230\u9ed8\u8ba4\u7684\u6d88\u606f\u56de\u590d\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7bbf913a08637a69a35a\/59-0.png\" alt=\"drawing\" \/><\/div>\n<p>\u7528\u4e0b\u9762\u7684\u547d\u4ee4\u5c1d\u8bd5\u53d1\u9001\u6d88\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code>curl <span class=\"nt\">-v<\/span> <span class=\"nt\">-X<\/span> POST https:\/\/us-central1-esp32-iot-notificator-42297.cloudfunctions.net\/notificate <span class=\"se\">\\<\/span>\r\n<span class=\"nt\">-H<\/span> <span class=\"s1\">'Content-Type: application\/json'<\/span> <span class=\"se\">\\<\/span>\r\n<span class=\"nt\">-d<\/span> <span class=\"s1\">'{ \"message\": \"hello bun bun youtu\" }'<\/span>\r\n<\/code><\/pre>\n<p>\u786e\u8ba4\u6536\u5230\u901a\u77e5\u7684\u7ebf\u8def\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7bbf913a08637a69a35a\/63-0.png\" alt=\"drawing\" \/><\/div>\n<h1>\u7ec4\u5efa Kafka Stream \u5e94\u7528\u7a0b\u5e8f<\/h1>\n<p>\u5728\u6d3b\u52a8\u4e2d\uff0c\u6211\u4eec\u4f1a\u6d4b\u91cf\u5149\u7167\u5ea6\u548c\u6c34\u5206\uff0c\u56e0\u6b64\u8fd9\u6b21\u6211\u4eec\u5c06\u901a\u8fc7\u6d41\u5a92\u4f53\u76d1\u6d4b\u5149\u7167\u5ea6\u7a81\u7136\u4e0a\u5347\u7684\u60c5\u51b5\uff0c\u5e76\u53d1\u9001\u901a\u77e5\u3002<\/p>\n<ul class=\"post-ul\">Broker\u30af\u30e9\u30b9\u30bf\u306e\u69cb\u7bc9\u306f\u5272\u611b<\/ul>\n<p>\u7acb\u5373\u5b9a\u4e49\u62d3\u6251\u7ed3\u6784\u3002\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">handson0429-summary\u306e\u30c8\u30d4\u30c3\u30af\u3092\u8aad\u307f\u53d6\u308a<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">json\u30d1\u30fc\u30b9<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">key\u5358\u4f4d\u306b\u7570\u5e38\u3092\u691c\u77e5\u3059\u308b(DeviceMetricAbnormalDetector)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u7570\u5e38\u691c\u77e5\u3057\u305f\u3089firebase\u3092\u53e9\u304f<\/ul>\n<pre class=\"post-pre\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">AbnormalDetectTopology<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"kd\">private<\/span> <span class=\"kd\">static<\/span> <span class=\"kd\">final<\/span> <span class=\"nc\">Logger<\/span> <span class=\"n\">log<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">LoggerFactory<\/span><span class=\"o\">.<\/span><span class=\"na\">getLogger<\/span><span class=\"o\">(<\/span><span class=\"nc\">AbnormalDetectTopology<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">);<\/span>\r\n\r\n  <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"nc\">Topology<\/span> <span class=\"nf\">build<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nc\">StreamsBuilder<\/span> <span class=\"n\">builder<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">StreamsBuilder<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"nc\">Consumed<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">,<\/span> <span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">consumerOption<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Consumed<\/span><span class=\"o\">.<\/span><span class=\"na\">with<\/span><span class=\"o\">(<\/span><span class=\"nc\">Serdes<\/span><span class=\"o\">.<\/span><span class=\"na\">String<\/span><span class=\"o\">(),<\/span> <span class=\"nc\">Serdes<\/span><span class=\"o\">.<\/span><span class=\"na\">String<\/span><span class=\"o\">());<\/span>\r\n    <span class=\"nc\">KStream<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">,<\/span> <span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">events<\/span> <span class=\"o\">=<\/span> <span class=\"n\">builder<\/span><span class=\"o\">.<\/span><span class=\"na\">stream<\/span><span class=\"o\">(<\/span><span class=\"s\">\"handson0429-summary\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">consumerOption<\/span><span class=\"o\">);<\/span>\r\n\r\n    <span class=\"n\">events<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">filter<\/span><span class=\"o\">((<\/span><span class=\"n\">key<\/span><span class=\"o\">,<\/span> <span class=\"n\">value<\/span><span class=\"o\">)<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"n\">value<\/span> <span class=\"o\">!=<\/span> <span class=\"kc\">null<\/span><span class=\"o\">)<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">filter<\/span><span class=\"o\">((<\/span><span class=\"n\">key<\/span><span class=\"o\">,<\/span> <span class=\"n\">value<\/span><span class=\"o\">)<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">!<\/span><span class=\"n\">value<\/span><span class=\"o\">.<\/span><span class=\"na\">equals<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\"<\/span><span class=\"o\">))<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">mapValues<\/span><span class=\"o\">(<\/span><span class=\"n\">value<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"nc\">DeviceMetric<\/span><span class=\"o\">.<\/span><span class=\"na\">parse<\/span><span class=\"o\">(<\/span><span class=\"n\">value<\/span><span class=\"o\">))<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">filter<\/span><span class=\"o\">((<\/span><span class=\"n\">key<\/span><span class=\"o\">,<\/span> <span class=\"n\">value<\/span><span class=\"o\">)<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">!<\/span><span class=\"n\">value<\/span><span class=\"o\">.<\/span><span class=\"na\">getDeviceId<\/span><span class=\"o\">().<\/span><span class=\"na\">equals<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\"<\/span><span class=\"o\">))<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">map<\/span><span class=\"o\">((<\/span><span class=\"n\">key<\/span><span class=\"o\">,<\/span> <span class=\"n\">value<\/span><span class=\"o\">)<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"nc\">KeyValue<\/span><span class=\"o\">.<\/span><span class=\"na\">pair<\/span><span class=\"o\">(<\/span><span class=\"n\">value<\/span><span class=\"o\">.<\/span><span class=\"na\">getDeviceId<\/span><span class=\"o\">(),<\/span> <span class=\"n\">value<\/span><span class=\"o\">))<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">groupByKey<\/span><span class=\"o\">(<\/span><span class=\"nc\">Grouped<\/span><span class=\"o\">.<\/span><span class=\"na\">with<\/span><span class=\"o\">(<\/span><span class=\"nc\">Serdes<\/span><span class=\"o\">.<\/span><span class=\"na\">String<\/span><span class=\"o\">(),<\/span> <span class=\"nc\">JsonSerdes<\/span><span class=\"o\">.<\/span><span class=\"na\">DeviceMetric<\/span><span class=\"o\">()))<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">aggregate<\/span><span class=\"o\">(<\/span>\r\n            <span class=\"o\">()<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">DeviceMetricAbnormalDetector<\/span><span class=\"o\">(),<\/span>\r\n            <span class=\"o\">(<\/span><span class=\"n\">key<\/span><span class=\"o\">,<\/span> <span class=\"n\">value<\/span><span class=\"o\">,<\/span> <span class=\"n\">detector<\/span><span class=\"o\">)<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">{<\/span>\r\n              <span class=\"n\">detector<\/span><span class=\"o\">.<\/span><span class=\"na\">detect<\/span><span class=\"o\">(<\/span><span class=\"n\">value<\/span><span class=\"o\">.<\/span><span class=\"na\">getMoist<\/span><span class=\"o\">(),<\/span> <span class=\"n\">value<\/span><span class=\"o\">.<\/span><span class=\"na\">getLight<\/span><span class=\"o\">());<\/span>\r\n              <span class=\"k\">return<\/span> <span class=\"n\">detector<\/span><span class=\"o\">;<\/span>\r\n            <span class=\"o\">},<\/span>\r\n            <span class=\"nc\">Materialized<\/span><span class=\"o\">.<\/span><span class=\"na\">as<\/span><span class=\"o\">(<\/span><span class=\"s\">\"metric-abnormal-detector\"<\/span><span class=\"o\">)<\/span>\r\n                <span class=\"o\">.<\/span><span class=\"na\">with<\/span><span class=\"o\">(<\/span><span class=\"nc\">Serdes<\/span><span class=\"o\">.<\/span><span class=\"na\">String<\/span><span class=\"o\">(),<\/span> <span class=\"nc\">JsonSerdes<\/span><span class=\"o\">.<\/span><span class=\"na\">DeviceMetricAbnormalDetector<\/span><span class=\"o\">()))<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">filter<\/span><span class=\"o\">((<\/span><span class=\"n\">key<\/span><span class=\"o\">,<\/span> <span class=\"n\">value<\/span><span class=\"o\">)<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"n\">value<\/span><span class=\"o\">.<\/span><span class=\"na\">abnormal<\/span><span class=\"o\">)<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">toStream<\/span><span class=\"o\">()<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">foreach<\/span><span class=\"o\">(<\/span>\r\n            <span class=\"o\">(<\/span><span class=\"n\">key<\/span><span class=\"o\">,<\/span> <span class=\"n\">value<\/span><span class=\"o\">)<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">{<\/span>\r\n              <span class=\"k\">try<\/span> <span class=\"o\">{<\/span>\r\n                <span class=\"kt\">var<\/span> <span class=\"n\">client<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">HttpClient<\/span><span class=\"o\">.<\/span><span class=\"na\">newHttpClient<\/span><span class=\"o\">();<\/span>\r\n                <span class=\"kt\">var<\/span> <span class=\"n\">json<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"{ \\\"message\\\" : \\\"\"<\/span> <span class=\"o\">+<\/span> <span class=\"n\">key<\/span> <span class=\"o\">+<\/span> <span class=\"s\">\"\u304c\u7729\u3057\u3044\u3063\u3066\u3055\\\" }\"<\/span><span class=\"o\">;<\/span>\r\n                <span class=\"kt\">var<\/span> <span class=\"n\">req<\/span> <span class=\"o\">=<\/span>\r\n                    <span class=\"nc\">HttpRequest<\/span><span class=\"o\">.<\/span><span class=\"na\">newBuilder<\/span><span class=\"o\">()<\/span>\r\n                        <span class=\"o\">.<\/span><span class=\"na\">uri<\/span><span class=\"o\">(<\/span> <span class=\"no\">URI<\/span><span class=\"o\">.<\/span><span class=\"na\">create<\/span><span class=\"o\">(<\/span> <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">getenv<\/span><span class=\"o\">(<\/span><span class=\"s\">\"NOTIFICATE_ENDPOINT\"<\/span><span class=\"o\">)))<\/span>\r\n                        <span class=\"o\">.<\/span><span class=\"na\">header<\/span><span class=\"o\">(<\/span><span class=\"s\">\"Content-Type\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"application\/json\"<\/span><span class=\"o\">)<\/span>\r\n                        <span class=\"o\">.<\/span><span class=\"na\">POST<\/span><span class=\"o\">(<\/span><span class=\"nc\">BodyPublishers<\/span><span class=\"o\">.<\/span><span class=\"na\">ofString<\/span><span class=\"o\">(<\/span><span class=\"n\">json<\/span><span class=\"o\">))<\/span>\r\n                        <span class=\"o\">.<\/span><span class=\"na\">build<\/span><span class=\"o\">();<\/span>\r\n                <span class=\"kt\">var<\/span> <span class=\"n\">res<\/span> <span class=\"o\">=<\/span> <span class=\"n\">client<\/span><span class=\"o\">.<\/span><span class=\"na\">send<\/span><span class=\"o\">(<\/span><span class=\"n\">req<\/span><span class=\"o\">,<\/span> <span class=\"nc\">HttpResponse<\/span><span class=\"o\">.<\/span><span class=\"na\">BodyHandlers<\/span><span class=\"o\">.<\/span><span class=\"na\">ofString<\/span><span class=\"o\">());<\/span>\r\n                <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">res<\/span><span class=\"o\">.<\/span><span class=\"na\">body<\/span><span class=\"o\">());<\/span>\r\n              <span class=\"o\">}<\/span> <span class=\"k\">catch<\/span> <span class=\"o\">(<\/span><span class=\"nc\">Exception<\/span> <span class=\"n\">e<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n                <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"na\">toString<\/span><span class=\"o\">());<\/span>\r\n              <span class=\"o\">}<\/span>\r\n            <span class=\"o\">});<\/span>\r\n\r\n    <span class=\"k\">return<\/span> <span class=\"n\">builder<\/span><span class=\"o\">.<\/span><span class=\"na\">build<\/span><span class=\"o\">();<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>DeviceMetricAbnormalDetector\u7684\u6837\u5b50\u5c31\u662f\u8fd9\u6837\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">DeviceMetricAbnormalDetector<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"nc\">Long<\/span> <span class=\"n\">moist<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0L<\/span><span class=\"o\">;<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"nc\">Long<\/span> <span class=\"n\">light<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0L<\/span><span class=\"o\">;<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"nc\">Boolean<\/span> <span class=\"n\">abnormal<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">false<\/span><span class=\"o\">;<\/span>\r\n\r\n  <span class=\"kd\">public<\/span> <span class=\"nf\">DeviceMetricAbnormalDetector<\/span><span class=\"o\">()<\/span> <span class=\"o\">{}<\/span>\r\n\r\n  <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">detect<\/span><span class=\"o\">(<\/span><span class=\"nc\">Long<\/span> <span class=\"n\">newMoist<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Long<\/span> <span class=\"n\">newLight<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"o\">((<\/span><span class=\"n\">newLight<\/span> <span class=\"o\">-<\/span> <span class=\"n\">light<\/span><span class=\"o\">)<\/span> <span class=\"o\">&gt;<\/span> <span class=\"mi\">1000L<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n      <span class=\"n\">abnormal<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">true<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"o\">}<\/span> <span class=\"k\">else<\/span> <span class=\"o\">{<\/span>\r\n      <span class=\"n\">abnormal<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">false<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"o\">}<\/span>\r\n    <span class=\"n\">light<\/span> <span class=\"o\">=<\/span> <span class=\"n\">newLight<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"n\">moist<\/span> <span class=\"o\">=<\/span> <span class=\"n\">newMoist<\/span><span class=\"o\">;<\/span>\r\n  <span class=\"o\">}<\/span>\r\n\r\n  <span class=\"nd\">@Override<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"nc\">String<\/span> <span class=\"nf\">toString<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"s\">\"{\"<\/span>\r\n        <span class=\"o\">+<\/span> <span class=\"s\">\"moist='\"<\/span>\r\n        <span class=\"o\">+<\/span> <span class=\"n\">moist<\/span>\r\n        <span class=\"o\">+<\/span> <span class=\"s\">\"'\"<\/span>\r\n        <span class=\"o\">+<\/span> <span class=\"s\">\", light='\"<\/span>\r\n        <span class=\"o\">+<\/span> <span class=\"n\">light<\/span>\r\n        <span class=\"o\">+<\/span> <span class=\"s\">\"'\"<\/span>\r\n        <span class=\"o\">+<\/span> <span class=\"s\">\", abnormal='\"<\/span>\r\n        <span class=\"o\">+<\/span> <span class=\"n\">abnormal<\/span>\r\n        <span class=\"o\">+<\/span> <span class=\"s\">\"'\"<\/span>\r\n        <span class=\"o\">+<\/span> <span class=\"s\">\"}\"<\/span><span class=\"o\">;<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u5e94\u7528\u7a0b\u5e8f\u6307\u5b9a\u62d3\u6251\u7ed3\u6784<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"kd\">class<\/span> <span class=\"nc\">App<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nc\">Topology<\/span> <span class=\"n\">topology<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">AbnormalDetectTopology<\/span><span class=\"o\">.<\/span><span class=\"na\">build<\/span><span class=\"o\">();<\/span>\r\n\r\n    <span class=\"nc\">Properties<\/span> <span class=\"n\">props<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Properties<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"n\">props<\/span><span class=\"o\">.<\/span><span class=\"na\">put<\/span><span class=\"o\">(<\/span><span class=\"nc\">StreamsConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">APPLICATION_ID_CONFIG<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"device-metric-summarizer\"<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"n\">props<\/span><span class=\"o\">.<\/span><span class=\"na\">put<\/span><span class=\"o\">(<\/span>\r\n        <span class=\"nc\">StreamsConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">BOOTSTRAP_SERVERS_CONFIG<\/span><span class=\"o\">,<\/span>\r\n        <span class=\"s\">\"kafka-broker-001:9092,kafka-broker-002:9092,kafka-broker-003:9092\"<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"n\">props<\/span><span class=\"o\">.<\/span><span class=\"na\">put<\/span><span class=\"o\">(<\/span><span class=\"nc\">StreamsConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">CACHE_MAX_BYTES_BUFFERING_CONFIG<\/span><span class=\"o\">,<\/span> <span class=\"mi\">0<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"n\">props<\/span><span class=\"o\">.<\/span><span class=\"na\">put<\/span><span class=\"o\">(<\/span><span class=\"nc\">StreamsConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">DEFAULT_KEY_SERDE_CLASS_CONFIG<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Serdes<\/span><span class=\"o\">.<\/span><span class=\"na\">String<\/span><span class=\"o\">().<\/span><span class=\"na\">getClass<\/span><span class=\"o\">());<\/span>\r\n    <span class=\"n\">props<\/span><span class=\"o\">.<\/span><span class=\"na\">put<\/span><span class=\"o\">(<\/span><span class=\"nc\">StreamsConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">DEFAULT_VALUE_SERDE_CLASS_CONFIG<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Serdes<\/span><span class=\"o\">.<\/span><span class=\"na\">String<\/span><span class=\"o\">().<\/span><span class=\"na\">getClass<\/span><span class=\"o\">());<\/span>\r\n    <span class=\"n\">props<\/span><span class=\"o\">.<\/span><span class=\"na\">put<\/span><span class=\"o\">(<\/span><span class=\"nc\">ConsumerConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">AUTO_OFFSET_RESET_CONFIG<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"latest\"<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"n\">props<\/span><span class=\"o\">.<\/span><span class=\"na\">put<\/span><span class=\"o\">(<\/span><span class=\"nc\">StreamsConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">STATE_DIR_CONFIG<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"state-store\"<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"n\">props<\/span><span class=\"o\">.<\/span><span class=\"na\">put<\/span><span class=\"o\">(<\/span><span class=\"nc\">StreamsConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">COMMIT_INTERVAL_MS_CONFIG<\/span><span class=\"o\">,<\/span> <span class=\"mi\">10<\/span> <span class=\"o\">*<\/span> <span class=\"mi\">1000<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"n\">props<\/span><span class=\"o\">.<\/span><span class=\"na\">put<\/span><span class=\"o\">(<\/span>\r\n        <span class=\"nc\">StreamsConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">DEFAULT_TIMESTAMP_EXTRACTOR_CLASS_CONFIG<\/span><span class=\"o\">,<\/span> <span class=\"nc\">WallclockTimestampExtractor<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">);<\/span>\r\n\r\n    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">topology<\/span><span class=\"o\">.<\/span><span class=\"na\">describe<\/span><span class=\"o\">());<\/span>\r\n    <span class=\"nc\">KafkaStreams<\/span> <span class=\"n\">streams<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">KafkaStreams<\/span><span class=\"o\">(<\/span><span class=\"n\">topology<\/span><span class=\"o\">,<\/span> <span class=\"n\">props<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"nc\">Runtime<\/span><span class=\"o\">.<\/span><span class=\"na\">getRuntime<\/span><span class=\"o\">().<\/span><span class=\"na\">addShutdownHook<\/span><span class=\"o\">(<\/span><span class=\"k\">new<\/span> <span class=\"nc\">Thread<\/span><span class=\"o\">(<\/span><span class=\"nl\">streams:<\/span><span class=\"o\">:<\/span><span class=\"n\">close<\/span><span class=\"o\">));<\/span>\r\n    <span class=\"n\">streams<\/span><span class=\"o\">.<\/span><span class=\"na\">cleanUp<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"n\">streams<\/span><span class=\"o\">.<\/span><span class=\"na\">start<\/span><span class=\"o\">();<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5269\u4e0b\u7684\u5185\u5bb9\u5c06\u5728\u6d3b\u52a8\u4e4b\u524d\u4e0a\u4f20\u3002<\/p>\n<h2>\u9a8c\u8bc1\u901a\u8fc7\u53d1\u9001\u865a\u62df\u6570\u636e\u6765\u63a5\u6536\u901a\u77e5\u7684\u60c5\u51b5<\/h2>\n<p>\u5c1d\u8bd5\u7f16\u5199\u5e76\u8fd0\u884c\u811a\u672c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\">#!\/bin\/bash<\/span>\r\n\r\n<span class=\"nv\">message<\/span><span class=\"o\">=<\/span><span class=\"s1\">'{\"deviceId\":\"1001\",\"moist\":0 ,\"light\":0}'<\/span>\r\n.\/bin\/kafka-console-producer.sh <span class=\"se\">\\<\/span>\r\n    <span class=\"nt\">--topic<\/span> handson0429-summary <span class=\"se\">\\<\/span>\r\n    <span class=\"nt\">--property<\/span> key.separator<span class=\"o\">=<\/span>, <span class=\"se\">\\<\/span>\r\n    <span class=\"nt\">--property<\/span> parse.key<span class=\"o\">=<\/span><span class=\"nb\">true<\/span> <span class=\"se\">\\<\/span>\r\n    <span class=\"nt\">--bootstrap-server<\/span> localhost:9092 <span class=\"o\">&lt;&lt;<\/span> <span class=\"no\">EOF<\/span><span class=\"sh\">\r\n1001,<\/span><span class=\"k\">${<\/span><span class=\"nv\">message<\/span><span class=\"k\">}<\/span>\r\n<span class=\"no\">EOF\r\n\r\n\r\n<\/span><span class=\"nv\">message<\/span><span class=\"o\">=<\/span><span class=\"s1\">'{\"deviceId\":\"1001\",\"moist\":1001,\"light\":1001}'<\/span>\r\n.\/bin\/kafka-console-producer.sh <span class=\"se\">\\<\/span>\r\n    <span class=\"nt\">--topic<\/span> handson0429-summary <span class=\"se\">\\<\/span>\r\n    <span class=\"nt\">--property<\/span> key.separator<span class=\"o\">=<\/span>, <span class=\"se\">\\<\/span>\r\n    <span class=\"nt\">--property<\/span> parse.key<span class=\"o\">=<\/span><span class=\"nb\">true<\/span> <span class=\"se\">\\<\/span>\r\n    <span class=\"nt\">--bootstrap-server<\/span> localhost:9092 <span class=\"o\">&lt;&lt;<\/span> <span class=\"no\">EOF<\/span><span class=\"sh\">\r\n1001,<\/span><span class=\"k\">${<\/span><span class=\"nv\">message<\/span><span class=\"k\">}<\/span>\r\n<span class=\"no\">EOF\r\n<\/span><\/code><\/pre>\n<p>\u7ed3\u679c &#8211; ji\u00e9 gu\u01d2<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7bbf913a08637a69a35a\/79-0.png\" alt=\"drawing\" \/><\/div>\n<h1>\u53cd\u601d<\/h1>\n<p>\u5982\u679c\u5728Hands-on\u4f1a\u8bae\u4e2d\u4f7f\u7528Grafana\u8fdb\u884c\u53ef\u89c6\u5316\uff0c\u5982\u679c\u6709\u65f6\u95f4\u7684\u8bdd\u5c31\u8fdb\u884c\u901a\u77e5\u3002\u6211\u53d1\u73b0\u52a0\u5165\u901a\u77e5\u529f\u80fd\u540e\uff0c\u611f\u89c9\u50cf\u662f\u53d8\u6210\u4e86IoT\uff0c\u5373\u4f7f\u662f\u88ab\u52a8\u63a5\u6536\u4fe1\u606f\u4e5f\u5f88\u68d2\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7bbf913a08637a69a35a\/82-0.png\" alt=\"drawing\" \/><\/div>\n<p>\u5f97\u610f\u306b\u306a\u308a\u3059\u304e\u3066\u3001\u5ea6\u3092\u8d8a\u3057\u3066\u3057\u307e\u3063\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u5728\u5f00\u59cbIoT\u5f00\u53d1\u7684ESP32\u4e0a\u4f7f\u7528Kafka\u65f6\uff0c\u6211\u6253\u7b97\u7a0d\u5fae\u6269\u5c55\u4e00\u4e0b\uff0c\u5e76\u5c1d\u8bd5\u642d\u5efa\u4e00\u4e2a\u5c06\u901a\u77e5\u53d1\u9001\u5230Line\u7684 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-46949","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>\u4f7f\u7528Kafka Stream\u6765\u5411Line\u53d1\u9001\u901a\u77e5 - 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\/\u4f7f\u7528kafka-stream\u6765\u5411line\u53d1\u9001\u901a\u77e5\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528Kafka Stream\u6765\u5411Line\u53d1\u9001\u901a\u77e5\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u5728\u5f00\u59cbIoT\u5f00\u53d1\u7684ESP32\u4e0a\u4f7f\u7528Kafka\u65f6\uff0c\u6211\u6253\u7b97\u7a0d\u5fae\u6269\u5c55\u4e00\u4e0b\uff0c\u5e76\u5c1d\u8bd5\u642d\u5efa\u4e00\u4e2a\u5c06\u901a\u77e5\u53d1\u9001\u5230Line\u7684 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528kafka-stream\u6765\u5411line\u53d1\u9001\u901a\u77e5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon 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