{"id":33935,"date":"2023-08-05T16:35:23","date_gmt":"2023-05-12T15:52:17","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%80%9a%e8%bf%87node-%e7%9a%84-websocket-%e5%92%8c-redis-pub-sub%ef%bc%8c%e5%b0%86%e9%80%9a%e7%9f%a5%e5%8f%91%e9%80%81%e7%bb%99%e5%ae%a2%e6%88%b7%e7%ab%af%e3%80%82\/"},"modified":"2024-04-30T17:09:36","modified_gmt":"2024-04-30T09:09:36","slug":"%e9%80%9a%e8%bf%87node-%e7%9a%84-websocket-%e5%92%8c-redis-pub-sub%ef%bc%8c%e5%b0%86%e9%80%9a%e7%9f%a5%e5%8f%91%e9%80%81%e7%bb%99%e5%ae%a2%e6%88%b7%e7%ab%af%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%80%9a%e8%bf%87node-%e7%9a%84-websocket-%e5%92%8c-redis-pub-sub%ef%bc%8c%e5%b0%86%e9%80%9a%e7%9f%a5%e5%8f%91%e9%80%81%e7%bb%99%e5%ae%a2%e6%88%b7%e7%ab%af%e3%80%82\/","title":{"rendered":"\u901a\u8fc7[Node] \u7684 websocket \u548c redis pub\/sub\uff0c\u5c06\u901a\u77e5\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef"},"content":{"rendered":"<h1>\u6211\u5e0c\u671b\u901a\u8fc7\u670d\u52a1\u5668\u5c06\u6d88\u606f\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef<\/h1>\n<p>\u6700\u521d\u6211\u5728node\u7aef\u521b\u5efa\u4e86\u4e00\u4e2awebsocket\u670d\u52a1\u5668\uff0c\u4e0e\u5ba2\u6237\u7aef\u8fdb\u884c\u53cc\u5411\u901a\u4fe1\u3002\u4f46\u6211\u5e0c\u671b\u80fd\u901a\u8fc7\u5176\u4ed6\u670d\u52a1\u5668\u6216\u6279\u5904\u7406\u7684\u66f4\u65b0\u64cd\u4f5c\u6765\u89e6\u53d1\u5411\u5ba2\u6237\u7aef\uff08\u4f7f\u7528\u7684\u4f20\u7edf\u9891\u9053\uff09\u53d1\u9001\u6d88\u606f\u3002<br \/>\n\u6240\u4ee5\u6211\u8fdb\u884c\u4e86\u4e00\u4e9b\u7814\u7a76\uff0c\u53d1\u73b0\u4e86redis\u7684\u53d1\u5e03\/\u8ba2\u9605\u529f\u80fd\uff0c\u6211\u51b3\u5b9a\u5c1d\u8bd5\u4f7f\u7528\u5b83\uff0c\u770b\u770b\u662f\u5426\u80fd\u6210\u529f\u3002<\/p>\n<h1>\u5b9e\u65bd\u7684\u60f3\u6cd5<\/h1>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d1a2537434c4406c0b0db\/3-0.png\" alt=\"undefined\" \/><\/div>\n<h1>\u4f7f\u7528\u7684\u6a21\u5757<\/h1>\n<p>redis pub\/sub<\/p>\n<p>\u4ed6\u306e\u30b5\u30fc\u30d0\u3067\u306e\u5909\u66f4\u3092\u691c\u77e5\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528<\/p>\n<p>socket.io-emitter<\/p>\n<p>\u30b5\u30fc\u30d0\u5074\u304b\u3089client\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u308b\u305f\u3081\u306e\u30e2\u30b8\u30e5\u30fc\u30eb<\/p>\n<p>socket.io-redis<\/p>\n<p>\u7570\u306a\u308b\u30d7\u30ed\u30bb\u30b9\u3084\u30b5\u30fc\u30d0\u9593\u3067\u52d5\u3044\u3066\u3044\u308bwebsocket\u30b5\u30fc\u30d3\u30b9\u3067\u63a5\u7d9a\u5148\u60c5\u5831\u3092redis\u3067\u5171\u6709\u3057\u3001\u6b63\u5e38\u306bemit\u3084broadcast\u3092\u884c\u3048\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306e\u30e2\u30b8\u30e5\u30fc\u30eb<\/p>\n<h1>\u5b89\u88c5<\/h1>\n<pre class=\"post-pre\"><code>\r\n<span class=\"nv\">$ <\/span>npm i <span class=\"nt\">-S<\/span> redis\r\n<span class=\"nv\">$ <\/span>npm i <span class=\"nt\">-S<\/span> socket.io\r\n<span class=\"nv\">$ <\/span>npm i <span class=\"nt\">-S<\/span> socket.io-emitter\r\n<span class=\"nv\">$ <\/span>npm i <span class=\"nt\">-S<\/span> socket.io-redis\r\n<\/code><\/pre>\n<h1>\u5b9e\u65bd<\/h1>\n<p>\u9996\u5148\uff0c\u8981\u5171\u4eab\u4f20\u7edf\u7684socket\u670d\u52a1\u8fde\u63a5\u76ee\u6807\uff0c\u9700\u8981\u5b89\u88c5socket.io-redis\u3002<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"c1\">\/\/ socket-server<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">io<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">socket.io<\/span><span class=\"dl\">'<\/span><span class=\"p\">)();<\/span><span class=\"err\">\u3000<\/span><span class=\"c1\">\/\/ for socket server<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">socketRedis<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">socket.io-redis<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u63a5\u7d9a\u5148\u60c5\u5831\u3092redis\u306b\u4fdd\u5b58<\/span>\r\n<span class=\"nx\">io<\/span><span class=\"p\">.<\/span><span class=\"nx\">adapter<\/span><span class=\"p\">(<\/span><span class=\"nx\">socketRedis<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">host<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">localhost<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/\u30b5\u30f3\u30d7\u30eb\u306a\u306e\u3067\u4e00\u65e6\u30ed\u30fc\u30ab\u30eb\u306eredis\u3092\u53c2\u7167<\/span>\r\n  <span class=\"na\">port<\/span><span class=\"p\">:<\/span> <span class=\"mi\">6379<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">}));<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u301c\u301c\u301c\u5f93\u6765\u306esocket\u51e6\u7406\u301c\u301c\u301c<\/span>\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u4e3a\u4e86\u53d1\u9001\u670d\u52a1\u5668\u7aef\u7684\u6d88\u606f\uff0c\u5b89\u88c5io-emitter\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ \u5148\u307b\u3069\u3068\u540c\u3058redis\u60c5\u5831\u3092\u6e21\u3057\u3066\u8d77\u52d5\u3059\u308b\u3053\u3068\u3067\u3001\u63a5\u7d9a\u60c5\u5831\u3092\u5171\u6709<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">emitter<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">ioEmitter<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">host<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">localhost<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">port<\/span><span class=\"p\">:<\/span><span class=\"err\">\u3000<\/span><span class=\"mi\">6379<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<p>\u6700\u540e\u521b\u5efa\u4e00\u4e2aRedis\u7684\u8ba2\u9605\u8005\uff0c\u5c06\u5176\u4f5c\u4e3a\u89e6\u53d1\u5668\uff0c\u5728io emitter\u4e2d\u5411\u5ba2\u6237\u7aef\u53d1\u51faemit\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">redis<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">redis<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"c1\">\/\/ subscribe\u3059\u308b\u7528\u306eredis client\u3092\u4f5c\u6210<\/span>\r\n<span class=\"c1\">\/\/ \u3053\u3053\u3067\u306f\u3081\u3093\u3069\u304f\u3055\u304b\u3063\u305f\u306e\u3067\u3001\u63a5\u7d9a\u60c5\u5831\u3092\u767b\u9332\u3059\u308b\u3082\u306e\u3068\u540c\u3058\u3082\u306e\u3092\u4f7f\u7528<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">Subscriber<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">redis<\/span><span class=\"p\">.<\/span><span class=\"nx\">createClient<\/span><span class=\"p\">(<\/span><span class=\"mi\">6379<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">localhost<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"c1\">\/\/ redis-publisher\u304b\u3089\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u53d6\u308b\u30c1\u30e3\u30f3\u30cd\u30eb\u3092\u767b\u9332<\/span>\r\n<span class=\"nx\">Subscriber<\/span><span class=\"p\">.<\/span><span class=\"nx\">subscribe<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">SUBSCRIBE_CHANNEL<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"nx\">exports<\/span><span class=\"p\">.<\/span><span class=\"nx\">register<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"nx\">emitter<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">Subscriber<\/span><span class=\"p\">.<\/span><span class=\"nx\">on<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">message<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"nx\">channel<\/span><span class=\"p\">,<\/span> <span class=\"nx\">message<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">switch<\/span> <span class=\"p\">(<\/span><span class=\"nx\">channel<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"c1\">\/\/ \u8a72\u5f53\u306e\u30c1\u30e3\u30f3\u30cd\u30eb\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u98db\u3070\u3055\u308c\u305f\u3089\u5834\u5408\u5206\u3051\u3057\u3066\u51e6\u7406<\/span>\r\n      <span class=\"k\">case<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">SUBSCRIBE_CHANNEL<\/span><span class=\"dl\">'<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"nx\">emitter<\/span><span class=\"p\">.<\/span><span class=\"nx\">to<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">CLIENT_CHANNEL<\/span><span class=\"dl\">'<\/span><span class=\"p\">).<\/span><span class=\"nx\">emit<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">Hello!! I am redis-subscriber.<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"k\">break<\/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\r\n<\/code><\/pre>\n<p>\u53ea\u9700\u4f7f\u7528\u53e6\u4e00\u53f0\u670d\u52a1\u5668\u4e0a\u7684redis\u53d1\u5e03\u8005\uff0c\u5411&#8221;SUBSCRIBE_CHANNEL&#8221;\u53d1\u9001\u6d88\u606f\u5373\u53ef\u901a\u77e5\u6240\u6709\u5728\u524d\u7aef\u6253\u5f00\u4e86&#8221;CLIENT_CHANNEL&#8221;\u7684\u4eba\u5458\uff1a&#8221;Hello!! I am redis-subscriber.&#8221;<\/p>\n<h1>\u6700\u540e<\/h1>\n<p>\u4f7f\u7528Redis\u7684pub\/sub\u548csocket.io-emitter\uff0c\u6211\u4eec\u80fd\u591f\u5728\u4e0e\u5176\u4ed6\u670d\u52a1\u5668\u540c\u6b65\u7684\u540c\u65f6\uff0c\u5c06\u901a\u77e5\u4ee5\u826f\u597d\u7684\u65b9\u5f0f\u53d1\u9001\u5230\u524d\u7aef\u3002<br \/>\n\u6211\u5df2\u7ecf\u5c06\u793a\u4f8b\u653e\u5728\u8fd9\u91cc\uff0c\u5982\u679c\u65b9\u4fbf\u7684\u8bdd\uff0c\u8bf7\u53c2\u8003\u3002<\/p>\n<p>\u5982\u679c\u6709\u9519\u8bef\uff0c\u8bf7\u544a\u8bc9\u6211\uff0c\u6211\u4f1a\u5f88\u9ad8\u5174\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u5e0c\u671b\u901a\u8fc7\u670d\u52a1\u5668\u5c06\u6d88\u606f\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef \u6700\u521d\u6211\u5728node\u7aef\u521b\u5efa\u4e86\u4e00\u4e2awebsocket\u670d\u52a1\u5668\uff0c\u4e0e\u5ba2\u6237\u7aef\u8fdb\u884c\u53cc\u5411\u901a\u4fe1 [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-33935","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) - 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