{"id":34278,"date":"2023-11-15T01:44:07","date_gmt":"2023-10-11T02:06:39","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8scala%e8%bf%9b%e8%a1%8csocket-io%e6%93%8d%e4%bd%9c\/"},"modified":"2024-05-04T09:06:28","modified_gmt":"2024-05-04T01:06:28","slug":"%e4%bd%bf%e7%94%a8scala%e8%bf%9b%e8%a1%8csocket-io%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8scala%e8%bf%9b%e8%a1%8csocket-io%e6%93%8d%e4%bd%9c\/","title":{"rendered":"\u4f7f\u7528Scala\u8fdb\u884cSocket.IO\u64cd\u4f5c"},"content":{"rendered":"

\u80cc\u666f – \u80cc\u666f\u8d44\u6599<\/h1>\n

\u5982\u679c\u4f60\u60f3\u8981\u901a\u8fc7Socket.IO\u5b9e\u73b0\u53d1\u5e03\/\u8ba2\u9605\uff0c\u6211\u8ba4\u4e3a\u5728Node.js\u4e0a\u642d\u5efa\u670d\u52a1\u5668\u662f\u4e00\u4e2a\u53ef\u884c\u7684\u9009\u62e9\uff0c\u4f46\u662f\u6709\u65f6\u5019\u6211\u4eec\u4e5f\u5e0c\u671b\u5728\u4e0d\u540c\u7684\u7cfb\u7edf\u4e4b\u95f4\u8fdb\u884c\u534f\u4f5c\u3002<\/p>\n

\u7528Scala\u7f16\u5199Socket.IO<\/h1>\n
\"undefined\"<\/div>\n

\u6211\u5c1d\u8bd5\u67e5\u627e\u4e86\u4e00\u4e0b\u662f\u5426\u5b58\u5728\u652f\u6301 Socket.IO \u7684 Scala \u5e93\uff0c\u4f46\u662f\u6211\u53ea\u53d1\u73b0\u4e86\u4f5c\u4e3a Play Framework \u6a21\u5757\u5b58\u5728\u7684\u9009\u9879\uff0c\u6ca1\u6709\u627e\u5230\u901a\u7528\u7684\u5e93\u3002<\/p>\n

\u8fd9\u6b21\u670d\u52a1\u5668\u7aef\u4f7f\u7528\u4e86Akka HTTP\u8fdb\u884c\u7f16\u5199\uff0c\u73b0\u5728\u9700\u8981\u91c7\u7528\u53e6\u4e00\u79cd\u65b9\u6cd5\u8fdb\u884c\u5b9e\u73b0\u3002<\/p>\n

\u4f7f\u7528Redis\u7684\u53d1\u5e03\/\u8ba2\u9605\u529f\u80fd<\/h1>\n
\"undefined\"<\/div>\n

\u5728Node.js\u7aef\uff0c\u53ea\u9700\u8981\u6dfb\u52a0\u4e00\u4e9b\u4ee3\u7801\u5c31\u53ef\u4ee5\u8fdb\u884c\u4ee5\u4e0b\u9002\u914d\u3002<\/p>\n

const<\/span> io<\/span> =<\/span> require<\/span>(<\/span>'<\/span>socket.io<\/span>'<\/span>)(<\/span>3000<\/span>);<\/span>\r\nconst<\/span> redisAdapter<\/span> =<\/span> require<\/span>(<\/span>'<\/span>socket.io-redis<\/span>'<\/span>);<\/span>\r\nio<\/span>.<\/span>adapter<\/span>(<\/span>redisAdapter<\/span>({<\/span> host<\/span>:<\/span> '<\/span>localhost<\/span>'<\/span>,<\/span> port<\/span>:<\/span> 6379<\/span> }));<\/span>\r\n<\/code><\/pre>\n
\u5728Scala\u65b9\u9762\uff0c\u9700\u8981\u81ea\u5df1\u7f16\u5199(publish)\u6765\u8fde\u63a5Redis\u3002
\n\u6211\u4eec\u5c06\u6839\u636e\u4e00\u7bc7\u5173\u4e8eScala Redis\u5ba2\u6237\u7aef\u7684\u6587\u7ae0\u8fdb\u884c\u9009\u62e9\u3002
\n\u53c2\u8003\u6765\u6e90\u4e8e\u7015\u6b7b\u7684\u305f\u3051\u305e\u3046\u535a\u5ba2\u6587\u7ae0\u3002<\/p>\n
Sedis\u4ec5\u652f\u6301\u963b\u585e\u64cd\u4f5c\uff0c\u6240\u4ee5\u6392\u9664\u6389\u3002\u5269\u4e0b\u7684\u5019\u9009\u9879\u662f”scala-redis”\u6216”rediscala”\u3002<\/p>\n
\u5c06\u8981\u5199\u5165Redis\u7684\u6570\u636e\u683c\u5f0f\u5982\u4e0b\uff1a
\n\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u628a\u8981\u53d1\u9001\u7684\u6570\u636e\u8bbe\u7f6e\u4e3adata\u6570\u7ec4\u7684\u7b2c2\u4e2a\u5143\u7d20\u3002<\/p>\n
[<\/span>\r\n    \"emitter\"<\/span>,<\/span>\r\n    {<\/span>\r\n        \"type\"<\/span>:<\/span> 2<\/span>,<\/span>\r\n        \"data\"<\/span>:<\/span> [<\/span>\r\n            \"\u30a4\u30d9\u30f3\u30c8\u540d\"<\/span>,<\/span>\r\n            {<\/span>\r\n                \"message\"<\/span>:<\/span> \"Hello World!\"<\/span>\r\n            }<\/span>\r\n        ],<\/span>\r\n        \"nsp\"<\/span>:<\/span> \"namespace\"<\/span>\r\n    },<\/span>\r\n    {<\/span>\r\n        \"rooms\"<\/span>:<\/span> [<\/span>\"\u30eb\u30fc\u30e0\u540d\"<\/span>],<\/span>\r\n        \"flags\"<\/span>:<\/span> []<\/span>\r\n    }<\/span>\r\n]<\/span>\r\n<\/code><\/pre>\n
\u5c06\u4f7f\u7528MessagePack\u5bf9\u5176\u8fdb\u884c\u5e8f\u5217\u5316\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u5199\u5165redis\u3002
\n\u5728\u8fd9\u91cc\uff0c\u7531\u4e8e\u5148\u524d\u7684\u5e93\u201cscala-redis\u201d\u6ca1\u6709\u4e8c\u8fdb\u5236\u5199\u5165\u65b9\u6cd5\uff0c\u6240\u4ee5\u53ea\u80fd\u9009\u62e9\u201crediscala\u201d\u3002<\/p>\n
\u5728Scala\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u7531MessagePack\u5b98\u65b9\u63d0\u4f9b\u7684”msgpack-scala”\u5e93\u3002<\/p>\n
\u8fd9\u4e2a\u5e93\u6709\u70b9\u6df7\u4e71\uff0c\u8868\u793a\u4e0a\u8ff0JSON\u7684\u4ee3\u7801\u5982\u4e0b\u3002
\n\u5176\u4ed6\u8bed\u8a00\u7684\u5e93\u4f3c\u4e4e\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u65b9\u6cd5\u5c06\u5176\u8f6c\u6362\u4e3a\u4e8c\u8fdb\u5236\uff0c\u4f46\u5728\u8fd9\u4e2a\u5e93\u4e2d\u6211\u6ca1\u6709\u627e\u5230…<\/p>\n
    val<\/span> out<\/span> =<\/span> new<\/span> ByteArrayOutputStream<\/span>\r\n    val<\/span> packer<\/span> =<\/span> MessagePack<\/span>.<\/span>newDefaultPacker<\/span>(<\/span>out<\/span>)<\/span>\r\n\r\n    packer<\/span>.<\/span>packArrayHeader<\/span>(<\/span>3<\/span>)<\/span>\r\n\r\n    \/\/ set emitter<\/span>\r\n    packer<\/span>.<\/span>packString<\/span>(<\/span>\"emitter\"<\/span>)<\/span>\r\n\r\n    \/\/ set type 2<\/span>\r\n    packer<\/span>.<\/span>packMapHeader<\/span>(<\/span>3<\/span>)<\/span>\r\n    packer<\/span>.<\/span>packString<\/span>(<\/span>\"type\"<\/span>)<\/span>\r\n    packer<\/span>.<\/span>packString<\/span>(<\/span>\"2\"<\/span>)<\/span>\r\n\r\n    \/\/ set data<\/span>\r\n    packer<\/span>.<\/span>packString<\/span>(<\/span>\"data\"<\/span>)<\/span>\r\n    packer<\/span>.<\/span>packArrayHeader<\/span>(<\/span>2<\/span>)<\/span>\r\n\r\n    \/\/ set event name<\/span>\r\n    packer<\/span>.<\/span>packString<\/span>(<\/span>\"\u30a4\u30d9\u30f3\u30c8\u540d\"<\/span>)<\/span>\r\n\r\n    \/\/ set data body<\/span>\r\n    packer<\/span>.<\/span>packMapHeader<\/span>(<\/span>1<\/span>)<\/span>\r\n    packer<\/span>.<\/span>packString<\/span>(<\/span>\"message\"<\/span>)<\/span>\r\n    packer<\/span>.<\/span>packString<\/span>(<\/span>\"Hello World!\"<\/span>)<\/span>\r\n\r\n    \/\/ set namespace<\/span>\r\n    packer<\/span>.<\/span>packString<\/span>(<\/span>\"nsp\"<\/span>)<\/span>\r\n    packer<\/span>.<\/span>packString<\/span>(<\/span>\"\/\"<\/span>)<\/span>\r\n\r\n    packer<\/span>.<\/span>packMapHeader<\/span>(<\/span>2<\/span>)<\/span>\r\n    packer<\/span>.<\/span>packString<\/span>(<\/span>roomName<\/span>)<\/span>\r\n    packer<\/span>.<\/span>packArrayHeader<\/span>(<\/span>1<\/span>)<\/span>\r\n    packer<\/span>.<\/span>packString<\/span>(<\/span>\"\u30eb\u30fc\u30e0\u540d\"<\/span>)<\/span>\r\n    packer<\/span>.<\/span>packString<\/span>(<\/span>\"flags\"<\/span>)<\/span>\r\n    packer<\/span>.<\/span>packMapHeader<\/span>(<\/span>0<\/span>)<\/span>\r\n\r\n    packer<\/span>.<\/span>flush<\/span>()<\/span>\r\n    packer<\/span>.<\/span>close<\/span>()<\/span>\r\n\r\n    out<\/span>.<\/span>toByteArray<\/span>\r\n<\/code><\/pre>\n
\u6211\u5011\u5c07\u4f7f\u7528rediscala\u5c07\u5728\u6b64\u8655\u7372\u53d6\u7684\u4e8c\u9032\u5236\u6578\u64da\u5beb\u5165Redis\u3002
\n\u203bRedisClient\u7684\u69cb\u9020\u51fd\u6578\u5df2\u7d93\u4ee5\u96b1\u542b\u65b9\u5f0f\u63a5\u6536ActorSystem\uff0c\u56e0\u6b64\u8acb\u6839\u64da\u5404\u81ea\u7684\u74b0\u5883\u9032\u884c\u6e96\u5099\u3002<\/p>\n
   val<\/span> redis<\/span> =<\/span> RedisClient<\/span>(<\/span>server<\/span>,<\/span>port<\/span>)<\/span>\r\n   redis<\/span>.<\/span>publish<\/span>(<\/span>\"\u30c1\u30e3\u30f3\u30cd\u30eb\u540d\"<\/span>,<\/span> \u30d0\u30a4\u30ca\u30ea\u30c7\u30fc\u30bf<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u6570\u636e\u63a5\u6536<\/h1>\n
\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u306f\u3001\u8a2d\u5b9a\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u540d\u3067\u30c7\u30fc\u30bf\u3092\u53d7\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
socketio<\/span>.<\/span>on<\/span>(<\/span>'<\/span>\u30a4\u30d9\u30f3\u30c8\u540d<\/span>'<\/span>,<\/span> function<\/span>(<\/span>msg<\/span>){<\/span>\r\n        console<\/span>.<\/span>log<\/span>(<\/span>'<\/span>receive:<\/span>'<\/span> +<\/span>  JSON<\/span>.<\/span>stringify<\/span>(<\/span>msg<\/span>));<\/span>\r\n    });<\/span>\r\n<\/code><\/pre>\n
\u603b\u7ed3<\/h1>\n
\u901a\u8fc7\u4f7f\u7528\u5176\u4ed6\u8bed\u8a00\u7684\u76f8\u540c\u673a\u5236\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u6570\u636e\u5199\u5165Redis\u6765\u5b9e\u73b0\u4e0eScala\u4ecb\u7ecd\u7684\u76f8\u540c\u529f\u80fd\u3002<\/p>\n
\u203b\u672c\u6b21\u53c2\u8003\u7684\u7f51\u7ad9<\/h1>\n
\u8fd9\u4e2a\u4eba\u7528Python\u5b9e\u73b0\u4e86\u7c7b\u4f3c\u7684\u529f\u80fd\u3002
\n\u4f7f\u7528Python\u5411socket.io-redis\u53d1\u5c04\u4e8b\u4ef6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u80cc\u666f – \u80cc\u666f\u8d44\u6599 \u5982\u679c\u4f60\u60f3\u8981\u901a\u8fc7Socket.IO\u5b9e\u73b0\u53d1\u5e03\/\u8ba2\u9605\uff0c\u6211\u8ba4\u4e3a\u5728Node.js\u4e0a\u642d\u5efa\u670d […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-34278","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u4f7f\u7528Scala\u8fdb\u884cSocket.IO\u64cd\u4f5c - 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\u7528scala\u8fdb\u884csocket-io\u64cd\u4f5c\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528Scala\u8fdb\u884cSocket.IO\u64cd\u4f5c\" \/>\n<meta property=\"og:description\" content=\"\u80cc\u666f – \u80cc\u666f\u8d44\u6599 \u5982\u679c\u4f60\u60f3\u8981\u901a\u8fc7Socket.IO\u5b9e\u73b0\u53d1\u5e03\/\u8ba2\u9605\uff0c\u6211\u8ba4\u4e3a\u5728Node.js\u4e0a\u642d\u5efa\u670d […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528scala\u8fdb\u884csocket-io\u64cd\u4f5c\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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