{"id":25053,"date":"2024-11-21T16:14:32","date_gmt":"2024-11-21T08:14:32","guid":{"rendered":"https:\/\/fwq.ai\/blog\/25053\/"},"modified":"2024-11-21T16:14:32","modified_gmt":"2024-11-21T08:14:32","slug":"workerman%e6%96%87%e6%a1%a3%e4%b8%ad%e7%9a%84%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%9b%86%e7%be%a4%e5%ae%9e%e7%8e%b0%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/25053\/","title":{"rendered":"Workerman\u6587\u6863\u4e2d\u7684\u670d\u52a1\u5668\u96c6\u7fa4\u5b9e\u73b0\u65b9\u6cd5"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/465\/014\/169944536251965.jpg\" class=\"aligncenter\" title=\"Workerman\u6587\u6863\u4e2d\u7684\u670d\u52a1\u5668\u96c6\u7fa4\u5b9e\u73b0\u65b9\u6cd5\u63d2\u56fe\" alt=\"Workerman\u6587\u6863\u4e2d\u7684\u670d\u52a1\u5668\u96c6\u7fa4\u5b9e\u73b0\u65b9\u6cd5\u63d2\u56fe\" \/><\/p>\n<p>Workerman\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684PHP Socket\u6846\u67b6\uff0c\u53ef\u4ee5\u4f7fPHP\u66f4\u52a0\u9ad8\u6548\u5730\u5904\u7406\u5f02\u6b65\u7f51\u7edc\u901a\u4fe1\u3002\u5728Workerman\u7684\u6587\u6863\u4e2d\uff0c\u6709\u5173\u4e8e\u670d\u52a1\u5668\u96c6\u7fa4\u5b9e\u73b0\u65b9\u6cd5\u7684\u8be6\u7ec6\u8bf4\u660e\u548c\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<p>\u4e3a\u4e86\u5b9e\u73b0\u670d\u52a1\u5668\u96c6\u7fa4\uff0c\u9996\u5148\u9700\u8981\u660e\u786e\u670d\u52a1\u5668\u96c6\u7fa4\u7684\u6982\u5ff5\u3002\u670d\u52a1\u5668\u96c6\u7fa4\u662f\u5c06\u591a\u53f0\u670d\u52a1\u5668\u8fde\u63a5\u5230\u4e00\u4e2a\u7f51\u7edc\u4e2d\uff0c\u901a\u8fc7\u5171\u4eab\u8d1f\u8f7d\u548c\u8d44\u6e90\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u3001\u53ef\u9760\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002\u5728Workerman\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4e24\u79cd\u65b9\u6cd5\u5b9e\u73b0\u670d\u52a1\u5668\u96c6\u7fa4\uff1a\u4f7f\u7528\u4e2d\u5fc3\u8d1f\u8f7d\u5747\u8861\u5668\u548c\u4f7f\u7528\u5206\u5e03\u5f0f\u5171\u4eab\u5185\u5b58\u3002<\/p>\n<ol>\n<li>\u4f7f\u7528\u4e2d\u5fc3\u8d1f\u8f7d\u5747\u8861\u5668\uff08Load Balancer\uff09<br \/>\u4e2d\u5fc3\u8d1f\u8f7d\u5747\u8861\u5668\u662f\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u5173\u952e\u7ec4\u4ef6\u4e4b\u4e00\u3002\u5b83\u63a5\u6536\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\uff0c\u5e76\u5c06\u8bf7\u6c42\u5206\u53d1\u5230\u96c6\u7fa4\u4e2d\u7684\u5404\u4e2a\u670d\u52a1\u5668\u3002\u5728Workerman\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u4e00\u4e2a\u72ec\u7acb\u7684PHP\u811a\u672c\u4f5c\u4e3a\u4e2d\u5fc3\u8d1f\u8f7d\u5747\u8861\u5668\uff0c\u6765\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002<\/li>\n<\/ol>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5Workerman\u3002\u53ef\u4ee5\u901a\u8fc7Composer\u8fdb\u884c\u5b89\u88c5\uff0c\u6216\u8005\u76f4\u63a5\u4e0b\u8f7d\u6e90\u7801\u5e76\u5f15\u5165Autoloader.php\u6587\u4ef6\u3002\u63a5\u4e0b\u6765\uff0c\u521b\u5efa\u4e00\u4e2aPHP\u811a\u672c\uff0c\u547d\u540d\u4e3abalancer.php\u3002\u5728\u811a\u672c\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u9700\u8981\u5f15\u5165Workerman\u7684Autoloader\u6587\u4ef6\uff0c\u5e76\u52a0\u8f7d\u76f8\u5173\u7c7b\u5e93\u3002<\/p>\n<pre>&lt;?php require_once '\/path\/to\/your\/workerman\/Autoloader.php';\nuse WorkermanWorker;\nuse WorkermanProtocolsHttp;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u63a5\u7740\uff0c\u521b\u5efa\u4e00\u4e2aWorker\u5b9e\u4f8b\uff0c\u7528\u4e8e\u76d1\u542c\u5ba2\u6237\u7aef\u8bf7\u6c42\uff0c\u5e76\u5c06\u8bf7\u6c42\u5206\u53d1\u7ed9\u96c6\u7fa4\u4e2d\u7684\u670d\u52a1\u5668\u3002<\/p>\n<pre>$balancer = new Worker('tcp:\/\/0.0.0.0:8080');\n$balancer-&amp;gt;name = 'LoadBalancer';\n$balancer-&amp;gt;count = 4;\n\n$balancer-&amp;gt;onConnect = function($connection) {\n    \/\/ \u8fde\u63a5\u5230\u8fbe\u65f6\uff0c\u9009\u62e9\u4e00\u4e2a\u670d\u52a1\u5668\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\n    $servers = array('tcp:\/\/server1.com:8888', 'tcp:\/\/server2.com:8888', 'tcp:\/\/server3.com:8888');\n    $connection-&amp;gt;backendConnection = new Connection($servers[array_rand($servers)]);\n};\n\n$balancer-&amp;gt;onMessage = function($connection, $data) {\n    \/\/ \u63a5\u6536\u5230\u6d88\u606f\u65f6\uff0c\u5c06\u6d88\u606f\u53d1\u9001\u7ed9\u540e\u7aef\u670d\u52a1\u5668\n    $connection-&amp;gt;backendConnection-&amp;gt;send($data);\n};\n\n$balancer-&amp;gt;onClose = function($connection) {\n    \/\/ \u8fde\u63a5\u5173\u95ed\u65f6\uff0c\u5173\u95ed\u540e\u7aef\u670d\u52a1\u5668\u7684\u8fde\u63a5\n    $connection-&amp;gt;backendConnection-&amp;gt;close();\n};<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3aLoadBalancer\u7684Worker\u5b9e\u4f8b\uff0c\u76d1\u542c8080\u7aef\u53e3\u3002\u5728\u6bcf\u6b21\u8fde\u63a5\u5230\u8fbe\u65f6\uff0c\u901a\u8fc7\u968f\u673a\u9009\u62e9\u4e00\u4e2a\u670d\u52a1\u5668\uff0c\u5c06\u8fde\u63a5\u5206\u53d1\u7ed9\u540e\u7aef\u670d\u52a1\u5668\u3002\u5f53\u63a5\u6536\u5230\u6d88\u606f\u65f6\uff0c\u5c06\u6d88\u606f\u53d1\u9001\u7ed9\u540e\u7aef\u670d\u52a1\u5668\u3002\u5f53\u8fde\u63a5\u5173\u95ed\u65f6\uff0c\u5173\u95ed\u540e\u7aef\u670d\u52a1\u5668\u7684\u8fde\u63a5\u3002<\/p>\n<p>\u6700\u540e\uff0c\u8fd0\u884cbalancer.php\u811a\u672c\uff0c\u5728\u7ec8\u7aef\u4e2d\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre>php balancer.php start<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u542f\u52a8\u8d1f\u8f7d\u5747\u8861\u5668\u540e\uff0c\u5c31\u53ef\u4ee5\u5c06\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u5206\u53d1\u5230\u96c6\u7fa4\u4e2d\u7684\u5404\u4e2a\u670d\u52a1\u5668\u3002<\/p>\n<ol>\n<li>\u4f7f\u7528\u5206\u5e03\u5f0f\u5171\u4eab\u5185\u5b58\uff08Distributed Shared Memory\uff09<\/li>\n<\/ol>\n<p>\u5206\u5e03\u5f0f\u5171\u4eab\u5185\u5b58\u662f\u4e00\u79cd\u5c06\u6570\u636e\u5b58\u50a8\u5728\u591a\u53f0\u670d\u52a1\u5668\u5171\u4eab\u7684\u6280\u672f\u3002\u5728Workerman\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u4f5c\u4e3a\u5206\u5e03\u5f0f\u5171\u4eab\u5185\u5b58\u3002Redis\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u652f\u6301\u6301\u4e45\u5316\u5b58\u50a8\uff0c\u5e76\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u636e\u7ed3\u6784\u548c\u64cd\u4f5c\u547d\u4ee4\u3002<\/p>\n<p>\u4f7f\u7528\u5206\u5e03\u5f0f\u5171\u4eab\u5185\u5b58\u9700\u8981\u5148\u5b89\u88c5\u5e76\u914d\u7f6eRedis\u670d\u52a1\u5668\u3002\u7136\u540e\uff0c\u5728Workerman\u7684\u811a\u672c\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u8fde\u63a5\u6765\u5b9e\u73b0\u6570\u636e\u7684\u5171\u4eab\u3002<\/p>\n<pre>&lt;?php require_once '\/path\/to\/your\/workerman\/Autoloader.php';\nuse WorkermanWorker;\nuse WorkermanProtocolsHttp;\nuse WorkermanConnectionAsyncTcpConnection;\n\n$worker = new Worker('tcp:\/\/0.0.0.0:8888');\n$worker-&gt;name = 'Server';\n$worker-&gt;onWorkerStart = function($worker) {\n    \/\/ \u8fde\u63a5Redis\u670d\u52a1\u5668\n    $redis_connection = new AsyncTcpConnection('tcp:\/\/redis.server:6379');\n    $redis_connection-&gt;connect();\n    \n    \/\/ \u5c06\u670d\u52a1\u5668\u7684\u4fe1\u606f\u4fdd\u5b58\u5230Redis\n    $worker-&gt;addListener = function($connection) use($redis_connection) {\n        $redis_connection-&gt;lPush('servers', $connection-&gt;getRemoteAddress());\n    };\n    \n    \/\/ \u4eceRedis\u83b7\u53d6\u670d\u52a1\u5668\u5217\u8868\uff0c\u7528\u4e8e\u8d1f\u8f7d\u5747\u8861\n    $worker-&gt;onMessage = function($connection, $data) use($redis_connection) {\n        $redis_connection-&gt;lRange('servers', 0, -1, function($result) use($connection, $data) {\n            \/\/ \u6839\u636e\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\u9009\u62e9\u4e00\u4e2a\u670d\u52a1\u5668\n            $server = $result[array_rand($result)];\n            \n            \/\/ \u5c06\u6d88\u606f\u53d1\u9001\u7ed9\u9009\u5b9a\u7684\u670d\u52a1\u5668\n            $backend_connection = new AsyncTcpConnection('tcp:\/\/' . $server);\n            $backend_connection-&gt;send($data);\n            \n            \/\/ \u63a5\u6536\u540e\u7aef\u670d\u52a1\u5668\u7684\u54cd\u5e94\uff0c\u5e76\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\n            $backend_connection-&gt;onMessage = function($connection, $backend_data) use($connection) {\n                $connection-&gt;send($backend_data);\n            };\n            \n            \/\/ \u5173\u95ed\u540e\u7aef\u670d\u52a1\u5668\u7684\u8fde\u63a5\n            $backend_connection-&gt;onClose = function($connection) {\n                $connection-&gt;close();\n            };\n        });\n    };\n    \n    \/\/ \u5728\u670d\u52a1\u5668\u5173\u95ed\u65f6\uff0c\u4eceRedis\u4e2d\u79fb\u9664\u670d\u52a1\u5668\u7684\u4fe1\u606f\n    $worker-&gt;onClose = function($connection) use($redis_connection) {\n        $remote_address = $connection-&gt;getRemoteAddress();\n        $redis_connection-&gt;lRem('servers', $remote_address, 1);\n    };\n};<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3aServer\u7684Worker\u5b9e\u4f8b\uff0c\u76d1\u542c8888\u7aef\u53e3\u3002\u5728Worker\u5b9e\u4f8b\u7684onWorkerStart\u56de\u8c03\u51fd\u6570\u4e2d\uff0c\u9996\u5148\u8fde\u63a5Redis\u670d\u52a1\u5668\uff0c\u7136\u540e\u5728\u6bcf\u6b21\u76d1\u542c\u5230\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u65f6\u5019\uff0c\u901a\u8fc7Redis\u8fde\u63a5\u83b7\u53d6\u670d\u52a1\u5668\u5217\u8868\uff0c\u5e76\u6839\u636e\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\u9009\u62e9\u4e00\u4e2a\u670d\u52a1\u5668\uff0c\u5e76\u5c06\u8bf7\u6c42\u8f6c\u53d1\u7ed9\u8be5\u670d\u52a1\u5668\u3002\u5728\u63a5\u6536\u5230\u540e\u7aef\u670d\u52a1\u5668\u7684\u54cd\u5e94\u540e\uff0c\u5c06\u54cd\u5e94\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002\u5f53\u670d\u52a1\u5668\u5173\u95ed\u65f6\uff0c\u4eceRedis\u4e2d\u79fb\u9664\u670d\u52a1\u5668\u7684\u4fe1\u606f\u3002<\/p>\n<p>\u6700\u540e\uff0c\u8fd0\u884cserver.php\u811a\u672c\uff0c\u5728\u7ec8\u7aef\u4e2d\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre>php server.php start<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u542f\u52a8\u670d\u52a1\u5668\u540e\uff0c\u5c31\u53ef\u4ee5\u901a\u8fc7\u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u670d\u52a1\u5668\uff0c\u5e76\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u3002<\/p>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u4e24\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528Workerman\u6846\u67b6\u6765\u5b9e\u73b0\u670d\u52a1\u5668\u96c6\u7fa4\u3002\u65e0\u8bba\u662f\u4f7f\u7528\u4e2d\u5fc3\u8d1f\u8f7d\u5747\u8861\u5668\u8fd8\u662f\u5206\u5e03\u5f0f\u5171\u4eab\u5185\u5b58\uff0c\u90fd\u80fd\u591f\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\uff0c\u6ee1\u8db3\u5927\u89c4\u6a21\u5e94\u7528\u7684\u9700\u6c42\u3002\u5f53\u7136\uff0c\u6211\u4eec\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u8fd8\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u573a\u666f\u548c\u9700\u6c42\uff0c\u8fdb\u4e00\u6b65\u4f18\u5316\u548c\u6269\u5c55\u670d\u52a1\u5668\u96c6\u7fa4\u7684\u5b9e\u73b0\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fWorkerman\u6587\u6863\u4e2d\u7684\u670d\u52a1\u5668\u96c6\u7fa4\u5b9e\u73b0\u65b9\u6cd5\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Workerman\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684PHP Socket\u6846\u67b6\uff0c\u53ef\u4ee5\u4f7fPHP\u66f4\u52a0\u9ad8\u6548\u5730\u5904\u7406\u5f02\u6b65\u7f51\u7edc\u901a\u4fe1\u3002\u5728Workerman\u7684\u6587\u6863\u4e2d\uff0c\u6709\u5173\u4e8e\u670d\u52a1\u5668\u96c6\u7fa4\u5b9e\u73b0\u65b9\u6cd5\u7684\u8be6\u7ec6\u8bf4\u660e\u548c\u4ee3\u7801\u793a\u4f8b\u3002 \u4e3a\u4e86\u5b9e\u73b0\u670d\u52a1\u5668\u96c6\u7fa4\uff0c\u9996\u5148\u9700\u8981\u660e\u786e\u670d\u52a1\u5668\u96c6\u7fa4\u7684\u6982\u5ff5\u3002\u670d\u52a1\u5668\u96c6\u7fa4\u662f\u5c06\u591a\u53f0\u670d\u52a1\u5668\u8fde\u63a5\u5230\u4e00\u4e2a\u7f51\u7edc\u4e2d\uff0c\u901a\u8fc7\u5171\u4eab\u8d1f\u8f7d\u548c\u8d44\u6e90\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u3001\u53ef\u9760\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002\u5728Workerman\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4e24\u79cd\u65b9\u6cd5\u5b9e\u73b0\u670d\u52a1\u5668\u96c6\u7fa4\uff1a\u4f7f\u7528\u4e2d\u5fc3\u8d1f\u8f7d\u5747\u8861\u5668\u548c\u4f7f\u7528\u5206\u5e03\u5f0f\u5171\u4eab\u5185\u5b58\u3002 \u4f7f\u7528\u4e2d\u5fc3\u8d1f\u8f7d\u5747\u8861\u5668\uff08Load Balancer\uff09\u4e2d\u5fc3\u8d1f\u8f7d\u5747\u8861\u5668\u662f\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u5173\u952e\u7ec4\u4ef6\u4e4b\u4e00\u3002\u5b83\u63a5\u6536\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\uff0c\u5e76\u5c06\u8bf7\u6c42\u5206\u53d1\u5230\u96c6\u7fa4\u4e2d\u7684\u5404\u4e2a\u670d\u52a1\u5668\u3002\u5728Workerman\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u4e00\u4e2a\u72ec\u7acb\u7684PHP\u811a\u672c\u4f5c\u4e3a\u4e2d\u5fc3\u8d1f\u8f7d\u5747\u8861\u5668\uff0c\u6765\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002 \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5Workerman\u3002\u53ef\u4ee5\u901a\u8fc7Composer\u8fdb\u884c\u5b89\u88c5\uff0c\u6216\u8005\u76f4\u63a5\u4e0b\u8f7d\u6e90\u7801\u5e76\u5f15\u5165Autoloader.php\u6587\u4ef6\u3002\u63a5\u4e0b\u6765\uff0c\u521b\u5efa\u4e00\u4e2aPHP\u811a\u672c\uff0c\u547d\u540d\u4e3abalancer.php\u3002\u5728\u811a\u672c\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u9700\u8981\u5f15\u5165Workerman\u7684Autoloader\u6587\u4ef6\uff0c\u5e76\u52a0\u8f7d\u76f8\u5173\u7c7b\u5e93\u3002 &lt;?php require_once &#8216;\/path\/to\/your\/workerman\/Autoloader.php&#8217;; use WorkermanWorker; use WorkermanProtocolsHttp; \u767b\u5f55\u540e\u590d\u5236 \u63a5\u7740\uff0c\u521b\u5efa\u4e00\u4e2aWorker\u5b9e\u4f8b\uff0c\u7528\u4e8e\u76d1\u542c\u5ba2\u6237\u7aef\u8bf7\u6c42\uff0c\u5e76\u5c06\u8bf7\u6c42\u5206\u53d1\u7ed9\u96c6\u7fa4\u4e2d\u7684\u670d\u52a1\u5668\u3002 $balancer = new Worker(&#8216;tcp:\/\/0.0.0.0:8080&#8217;); $balancer-&amp;gt;name = &#8216;LoadBalancer&#8217;; $balancer-&amp;gt;count = 4; $balancer-&amp;gt;onConnect = function($connection) { \/\/ \u8fde\u63a5\u5230\u8fbe\u65f6\uff0c\u9009\u62e9\u4e00\u4e2a\u670d\u52a1\u5668\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861 $servers = array(&#8216;tcp:\/\/server1.com:8888&#8217;, &#8216;tcp:\/\/server2.com:8888&#8217;, &#8216;tcp:\/\/server3.com:8888&#8217;); $connection-&amp;gt;backendConnection = new Connection($servers[array_rand($servers)]); }; $balancer-&amp;gt;onMessage = function($connection, $data) { \/\/ \u63a5\u6536\u5230\u6d88\u606f\u65f6\uff0c\u5c06\u6d88\u606f\u53d1\u9001\u7ed9\u540e\u7aef\u670d\u52a1\u5668 $connection-&amp;gt;backendConnection-&amp;gt;send($data); }; $balancer-&amp;gt;onClose = function($connection) { \/\/ 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