{"id":202399,"date":"2025-05-13T10:49:49","date_gmt":"2025-05-13T02:49:49","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202399\/"},"modified":"2025-05-13T10:49:49","modified_gmt":"2025-05-13T02:49:49","slug":"php%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8b%e6%8c%87%e5%8d%97%ef%bc%9acomet%e9%95%bf%e8%bd%ae%e8%af%a2%e6%8a%80%e6%9c%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202399\/","title":{"rendered":"php\u7f51\u7edc\u7f16\u7a0b\u6307\u5357\uff1aComet\u957f\u8f6e\u8be2\u6280\u672f"},"content":{"rendered":"

<\/b> <\/p>\n

php\u7f51\u7edc\u7f16\u7a0b\u6307\u5357\uff1aComet\u957f\u8f6e\u8be2\u6280\u672f<\/h1>\n

\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u300aphp\u7f51\u7edc\u7f16\u7a0b\u6307\u5357\uff1aComet\u957f\u8f6e\u8be2\u6280\u672f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u662f\u6b63\u5728\u5b66\u4e60\u6587\u7ae0<\/span>\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01<\/p>\n

<\/p>\n

PHP \u7f51\u7edc\u7f16\u7a0b\u6307\u5357\uff1aComet \u957f\u8f6e\u8be2\u6280\u672f<\/strong><\/p>\n

\u5f15\u8a00<\/strong>
Comet \u957f\u8f6e\u8be2\u662f\u4e00\u79cd\u670d\u52a1\u5668\u63a8\u9001\u6280\u672f\uff0c\u901a\u8fc7\u6301\u7eed\u6253\u5f00\u4e00\u4e2a HTTP \u8bf7\u6c42\uff0c\u4ee5\u5b9e\u73b0\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u4e4b\u95f4\u7684\u5f02\u6b65\u901a\u4fe1\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8 Comet \u957f\u8f6e\u8be2\u5728 PHP \u4e2d\u7684\u5b9e\u73b0\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e2a\u5b9e\u6218\u6848\u4f8b\u4ee5\u52a0\u6df1\u7406\u89e3\u3002<\/p>\n

\u539f\u7406<\/strong>
Comet \u957f\u8f6e\u8be2\u6280\u672f\u7684\u5de5\u4f5c\u539f\u7406\u4e0e\u666e\u901a HTTP \u8bf7\u6c42\u4e0d\u540c\u3002\u5728\u4f20\u7edf\u7684 HTTP \u8bf7\u6c42\u4e2d\uff0c\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u53d1\u9001\u8bf7\u6c42\uff0c\u670d\u52a1\u5668\u5904\u7406\u8bf7\u6c42\u5e76\u8fd4\u56de\u54cd\u5e94\u3002\u5728 Comet \u957f\u8f6e\u8be2\u4e2d\uff0c\u5ba2\u6237\u7aef\u53d1\u9001\u4e00\u4e2a\u4e0d\u5e26\u8bf7\u6c42\u4f53\u7684 HTTP GET \u8bf7\u6c42\uff0c\u670d\u52a1\u5668\u5c06\u4fdd\u6301\u8fde\u63a5\u5904\u4e8e\u6253\u5f00\u72b6\u6001\uff0c\u76f4\u5230\u6709\u65b0\u6570\u636e\u53ef\u7528\u3002\u5f53\u670d\u52a1\u5668\u6709\u65b0\u6570\u636e\u65f6\uff0c\u5b83\u5c06\u8fd4\u56de\u54cd\u5e94\uff0c\u5173\u95ed\u8fde\u63a5\u3002\u5ba2\u6237\u7aef\u5c06\u7acb\u5373\u91cd\u65b0\u53d1\u9001\u53e6\u4e00\u4e2a GET \u8bf7\u6c42\uff0c\u7ee7\u7eed\u4fdd\u6301\u8fde\u63a5\u5904\u4e8e\u6253\u5f00\u72b6\u6001\u3002<\/p>\n

\u5b9e\u73b0<\/strong>
\u5728 PHP \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\u5b9e\u73b0 Comet \u957f\u8f6e\u8be2\uff1a<\/p>\n

\/\/ \u670d\u52a1\u7aef\u4ee3\u7801\n<?php\n\/\/ \u521b\u5efa\u670d\u52a1\u5668\u7aef\u63a8\u9001\n$pusher = new ServerPusher();\n$pusher->run();\n\n\/\/ ServerPusher \u7c7b\nclass ServerPusher {\n\n    protected $clients = [];\n\n    public function run() {\n        while (true) {\n            $this->handleClients();\n            $this->checkForNewData();\n        }\n    }\n\n    private function handleClients() {\n        foreach ($this->clients as $client) {\n            if ($client->hasNewData()) {\n                $this->sendMessageToClient($client);\n            }\n        }\n    }\n\n    private function checkForNewData() {\n        \/\/ \u8fd9\u91cc\u5047\u5b9a\u4ece\u6570\u636e\u5e93\u83b7\u53d6\u65b0\u6570\u636e\n        $newData = $this->getNewData();\n        if (!empty($newData)) {\n            foreach ($this->clients as $client) {\n                $client->setnewData($newData);\n            }\n        }\n    }\n\n    \/\/ \u5176\u4ed6\u65b9\u6cd5...\n}\n\n\/\/ \u5ba2\u670d\u7aef\u4ee3\u7801\n<?php\n\/\/ \u521b\u5efa\u4e00\u4e2a\u5ba2\u6237\u7aef\n$client = new Client();\n\n\/\/ \u8fde\u63a5\u5230\u670d\u52a1\u5668\n$client->connect();\n\n\/\/ \u7b49\u5f85\u65b0\u6570\u636e\nwhile (true) {\n    if ($client->hasNewData()) {\n        \/\/ \u6536\u5230\u65b0\u6570\u636e\uff0c\u8fdb\u884c\u5904\u7406\n        $newData = $client->getNewData();\n    }\n}\n\n\/\/ Client \u7c7b\nclass Client {\n\n    protected $pusher;\n\n    public function __construct($pusher) {\n        $this->pusher = $pusher;\n    }\n\n    public function connect() {\n        \/\/ \u5efa\u7acb\u4e0e\u670d\u52a1\u5668\u7684\u8fde\u63a5\n    }\n\n    public function hasNewData() {\n        $this->pusher->checkForNewData();\n        return !empty($this->newData);\n    }\n\n    \/\/ \u5176\u4ed6\u65b9\u6cd5...\n}<\/pre>\n
\u5b9e\u6218\u6848\u4f8b<\/strong>
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\u670d\u52a1\u7aef\u5b9e\u73b0<\/strong>
\u5c06\u4ee5\u4e0b\u670d\u52a1\u5668\u7aef\u4ee3\u7801\u6dfb\u52a0\u5230\u804a\u5929\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff1a<\/p>\n
\/\/ \u670d\u52a1\u7aef\u4ee3\u7801\n\/\/ \u521b\u5efa\u670d\u52a1\u5668\u7aef\u63a8\u9001\n$pusher = new ServerPusher();\n$pusher->run();\n\n\/\/ ServerPusher \u7c7b\nclass ServerPusher {\n\n    protected $clients = [];\n\n    public function run() {\n        while (true) {\n            $this->handleClients();\n            $this->checkForNewData();\n        }\n    }\n\n    private function handleClients() {\n        foreach ($this->clients as $client) {\n            if ($client->hasNewData()) {\n                $this->sendMessageToClient($client);\n            }\n        }\n    }\n\n    private function checkForNewData() {\n        \/\/ \u8fd9\u91cc\u5047\u5b9a\u4ece\u6570\u636e\u5e93\u83b7\u53d6\u65b0\u804a\u5929\u6d88\u606f\n        $newMessages = $this->getNewMessages();\n        if (!empty($newMessages)) {\n            foreach ($this->clients as $client) {\n                $client->setnewData($newMessages);\n            }\n        }\n    }\n\n    \/\/ \u65b0\u589e\u65b9\u6cd5\n    public function addClient(Client $client) {\n        $this->clients[] = $client;\n    }\n\n    public function removeClient(Client $client) {\n        unset($this->clients[array_search($client, $this->clients)]);\n    }\n\n    \/\/ \u5176\u4ed6\u65b9\u6cd5...\n}\n\n\/\/ \u5ba2\u670d\u7aef\u4ee3\u7801\n<?php\n\/\/ \u521b\u5efa\u4e00\u4e2a\u5ba2\u6237\u7aef\n$client = new Client();\n\n\/\/ \u8fde\u63a5\u5230\u670d\u52a1\u5668\n$client->connect();\n\n\/\/ \u7b49\u5f85\u65b0\u6d88\u606f\nwhile (true) {\n    if ($client->hasNewData()) {\n        \/\/ \u6536\u5230\u65b0\u6d88\u606f\uff0c\u663e\u793a\u7ed9\u7528\u6237\n        $newMessages = $client->getNewData();\n    }\n}\n\n\/\/ Client \u7c7b\nclass Client {\n\n    protected $pusher;\n    protected $messages = [];\n\n    public function __construct($pusher) {\n        $this->pusher = $pusher;\n    }\n\n    public function connect() {\n        \/\/ \u5efa\u7acb\u4e0e\u670d\u52a1\u5668\u7684\u8fde\u63a5\n        $this->pusher->addClient($this);\n    }\n\n    public function hasNewData() {\n        $this->pusher->checkForNewData();\n        return !empty($this->messages);\n    }\n\n    \/\/ \u65b0\u589e\u65b9\u6cd5\n    public function setnewData(array $messages) {\n        $this->messages = array_merge($this->messages, $messages);\n    }\n\n    \/\/ \u5176\u4ed6\u65b9\u6cd5...\n}<\/pre>\n
\u7ed3\u675f\u8bed<\/strong>
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\u4ee5\u4e0a\u5c31\u662f\u300aphp\u7f51\u7edc\u7f16\u7a0b\u6307\u5357\uff1aComet\u957f\u8f6e\u8be2\u6280\u672f\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8ephp,\u7f51\u7edc\u7f16\u7a0b\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
php\u7f51\u7edc\u7f16\u7a0b\u6307\u5357\uff1aComet\u957f...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-202399","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202399","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202399"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202399\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202399"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}