{"id":2866,"date":"2025-03-16T12:39:18","date_gmt":"2025-03-16T04:39:18","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=2866"},"modified":"2025-03-16T12:39:18","modified_gmt":"2025-03-16T04:39:18","slug":"python3-%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8b19%ef%bc%9awebsocket-%e9%94%99%e8%af%af%e5%a4%84%e7%90%86%e4%b8%8e%e6%81%a2%e5%a4%8d%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/16\/python3-%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8b19%ef%bc%9awebsocket-%e9%94%99%e8%af%af%e5%a4%84%e7%90%86%e4%b8%8e%e6%81%a2%e5%a4%8d%e6%9c%ba%e5%88%b6\/","title":{"rendered":"Python3 \u7f51\u7edc\u7f16\u7a0b19\uff1aWebSocket \u9519\u8bef\u5904\u7406\u4e0e\u6062\u590d\u673a\u5236"},"content":{"rendered":"\n<p>WebSocket \u8fde\u63a5\u53ef\u80fd\u4f1a\u9047\u5230\u4e0d\u540c\u7684\u9519\u8bef\uff0c\u5982\u8fde\u63a5\u65ad\u5f00\u3001\u6d88\u606f\u4f20\u8f93\u5931\u8d25\u3001\u8d85\u65f6\u7b49\u3002\u6709\u6548\u7684\u9519\u8bef\u5904\u7406\u548c\u6062\u590d\u673a\u5236\u5bf9\u4e8e\u4fdd\u6301\u8fde\u63a5\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u81f3\u5173\u91cd\u8981\u3002\u4e0b\u9762\u662f\u6709\u5173 WebSocket \u9519\u8bef\u5904\u7406\u548c\u6062\u590d\u7684\u4e00\u4e9b\u5173\u952e\u70b9\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>19.1 \u5e38\u89c1 WebSocket \u9519\u8bef<\/strong><\/h2>\n\n\n\n<p>\u5728 WebSocket \u7f16\u7a0b\u4e2d\uff0c\u4ee5\u4e0b\u662f\u51e0\u79cd\u5e38\u89c1\u7684\u9519\u8bef\u7c7b\u578b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8fde\u63a5\u9519\u8bef<\/strong>\uff1a\u7531\u4e8e\u670d\u52a1\u5668\u5b95\u673a\u3001\u7f51\u7edc\u95ee\u9898\u7b49\u5bfc\u81f4\u65e0\u6cd5\u5efa\u7acb\u8fde\u63a5\u3002<\/li>\n\n\n\n<li><strong>\u65ad\u5f00\u8fde\u63a5<\/strong>\uff1a\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u5668\u56e0\u8d85\u65f6\u3001\u65ad\u7535\u7b49\u539f\u56e0\u5173\u95ed\u8fde\u63a5\u3002<\/li>\n\n\n\n<li><strong>\u6570\u636e\u4f20\u8f93\u9519\u8bef<\/strong>\uff1a\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4e22\u5931\u3001\u635f\u574f\u6216\u65e0\u6cd5\u6b63\u786e\u89e3\u6790\u3002<\/li>\n\n\n\n<li><strong>\u534f\u8bae\u9519\u8bef<\/strong>\uff1a\u4f8b\u5982\uff0c\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u534f\u8bae\u4e0d\u517c\u5bb9\u6216\u4f20\u8f93\u7684\u6d88\u606f\u683c\u5f0f\u4e0d\u7b26\u5408\u89c4\u8303\u3002<\/li>\n\n\n\n<li><strong>\u8d85\u65f6\u9519\u8bef<\/strong>\uff1a\u957f\u65f6\u95f4\u6ca1\u6709\u6536\u5230\u6d88\u606f\u6216\u56de\u5e94\uff0c\u5bfc\u81f4\u8fde\u63a5\u8d85\u65f6\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>19.2 WebSocket \u9519\u8bef\u5904\u7406\u673a\u5236<\/strong><\/h2>\n\n\n\n<p>\u5728\u5904\u7406 WebSocket \u9519\u8bef\u65f6\uff0c\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u90fd\u5e94\u8be5\u8bbe\u8ba1\u5408\u9002\u7684\u7b56\u7565\u6765\u6062\u590d\u8fde\u63a5\u6216\u5904\u7406\u9519\u8bef\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>19.2.1 \u5ba2\u6237\u7aef\u9519\u8bef\u5904\u7406<\/strong><\/h3>\n\n\n\n<p>\u5ba2\u6237\u7aef\u5e94\u5bf9\u4ee5\u4e0b\u60c5\u51b5\u8fdb\u884c\u9519\u8bef\u5904\u7406\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8fde\u63a5\u5931\u8d25<\/strong>\uff1a\u5982\u679c WebSocket \u8fde\u63a5\u5efa\u7acb\u5931\u8d25\uff0c\u5ba2\u6237\u7aef\u5e94\u8be5\u8fdb\u884c\u91cd\u8bd5\u3002\u53ef\u4ee5\u8bbe\u7f6e\u91cd\u8bd5\u6b21\u6570\u6216\u91cd\u8bd5\u95f4\u9694\u3002<\/li>\n\n\n\n<li><strong>\u65ad\u5f00\u8fde\u63a5<\/strong>\uff1a\u5f53\u8fde\u63a5\u610f\u5916\u65ad\u5f00\u65f6\uff0c\u5ba2\u6237\u7aef\u5e94\u5c1d\u8bd5\u91cd\u65b0\u8fde\u63a5\u3002\u5982\u679c WebSocket \u8fde\u63a5\u65ad\u5f00\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u5728\u77ed\u65f6\u95f4\u5185\u8fdb\u884c\u591a\u6b21\u91cd\u8fde\uff0c\u6216\u8005\u63d0\u4f9b\u91cd\u8fde\u6309\u94ae\u3002<\/li>\n\n\n\n<li><strong>\u6570\u636e\u4f20\u8f93\u9519\u8bef<\/strong>\uff1a\u5904\u7406 WebSocket \u9519\u8bef\u4e8b\u4ef6\uff08<code>onerror<\/code>\uff09\u5e76\u8f93\u51fa\u9519\u8bef\u65e5\u5fd7\u3002\u53ef\u4ee5\u5bf9\u5f02\u5e38\u6d88\u606f\u8fdb\u884c\u683c\u5f0f\u68c0\u67e5\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u5ba2\u6237\u7aef\u9519\u8bef\u5904\u7406\u793a\u4f8b\uff1a<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>let socket;\n\nfunction createWebSocket() {\n  socket = new WebSocket('wss:\/\/localhost:8765');\n\n  socket.onopen = () =&gt; {\n    console.log('WebSocket connected!');\n  };\n\n  socket.onmessage = (event) =&gt; {\n    console.log('Message received: ', event.data);\n  };\n\n  socket.onerror = (error) =&gt; {\n    console.error('WebSocket Error: ', error);\n    \/\/ \u5c1d\u8bd5\u91cd\u65b0\u8fde\u63a5\n    setTimeout(createWebSocket, 5000);  \/\/ 5\u79d2\u540e\u91cd\u8bd5\u8fde\u63a5\n  };\n\n  socket.onclose = (event) =&gt; {\n    if (!event.wasClean) {\n      console.log(`Connection closed unexpectedly: ${event.code}`);\n    }\n    \/\/ \u5c1d\u8bd5\u91cd\u8fde\n    setTimeout(createWebSocket, 5000);  \/\/ 5\u79d2\u540e\u91cd\u8bd5\u8fde\u63a5\n  };\n}\n\ncreateWebSocket();<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u5982\u679c WebSocket \u8fde\u63a5\u5931\u8d25\u6216\u65ad\u5f00\uff0c\u5ba2\u6237\u7aef\u4f1a\u6bcf\u9694 5 \u79d2\u91cd\u65b0\u5c1d\u8bd5\u5efa\u7acb\u8fde\u63a5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>19.2.2 \u670d\u52a1\u7aef\u9519\u8bef\u5904\u7406<\/strong><\/h3>\n\n\n\n<p>\u670d\u52a1\u7aef\u4e5f\u9700\u8981\u5904\u7406\u5ba2\u6237\u7aef\u7684\u9519\u8bef\u8bf7\u6c42\u6216\u5f02\u5e38\u60c5\u51b5\u3002\u4ee5\u4e0b\u662f\u5e38\u89c1\u7684\u670d\u52a1\u7aef\u9519\u8bef\u5904\u7406\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8fde\u63a5\u9519\u8bef<\/strong>\uff1a\u68c0\u67e5\u5ba2\u6237\u7aef\u662f\u5426\u63d0\u4f9b\u4e86\u6b63\u786e\u7684\u8bf7\u6c42\u3002\u82e5\u8fde\u63a5\u5931\u8d25\uff0c\u53ef\u4ee5\u8bb0\u5f55\u65e5\u5fd7\u5e76\u901a\u77e5\u5ba2\u6237\u7aef\u91cd\u8bd5\u3002<\/li>\n\n\n\n<li><strong>\u65ad\u5f00\u8fde\u63a5<\/strong>\uff1a\u5ba2\u6237\u7aef\u65ad\u5f00\u8fde\u63a5\u65f6\uff0c\u670d\u52a1\u7aef\u5e94\u53ca\u65f6\u5173\u95ed\u8fde\u63a5\u5e76\u6e05\u7406\u76f8\u5173\u8d44\u6e90\u3002<\/li>\n\n\n\n<li><strong>\u6d88\u606f\u4f20\u8f93\u9519\u8bef<\/strong>\uff1a\u670d\u52a1\u7aef\u5e94\u5bf9\u6d88\u606f\u7684\u683c\u5f0f\u3001\u5927\u5c0f\u7b49\u8fdb\u884c\u9a8c\u8bc1\uff0c\u5e76\u5904\u7406\u4e0d\u5408\u6cd5\u6216\u65e0\u6548\u7684\u6d88\u606f\u3002<\/li>\n\n\n\n<li><strong>\u534f\u8bae\u9519\u8bef<\/strong>\uff1a\u5982\u679c\u5ba2\u6237\u7aef\u53d1\u9001\u4e86\u4e0d\u7b26\u5408\u534f\u8bae\u7684\u6d88\u606f\uff0c\u670d\u52a1\u7aef\u5e94\u5173\u95ed\u8fde\u63a5\uff0c\u5e76\u8fd4\u56de\u9002\u5f53\u7684\u9519\u8bef\u6d88\u606f\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u670d\u52a1\u7aef\u9519\u8bef\u5904\u7406\u793a\u4f8b\uff08Python\uff09<\/strong>\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>import asyncio\nimport websockets\n\nasync def handler(websocket, path):\n    try:\n        message = await websocket.recv()\n        print(f\"Received message: {message}\")\n    except websockets.exceptions.ConnectionClosedError:\n        print(\"Connection closed unexpectedly!\")\n    except Exception as e:\n        print(f\"Error occurred: {e}\")\n    finally:\n        await websocket.close()\n\nstart_server = websockets.serve(handler, \"localhost\", 8765)\n\nasyncio.get_event_loop().run_until_complete(start_server)\nasyncio.get_event_loop().run_forever()<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u670d\u52a1\u7aef\u5904\u7406\u4e86 WebSocket \u7684\u8fde\u63a5\u5173\u95ed\u9519\u8bef\u4ee5\u53ca\u5176\u4ed6\u5f02\u5e38\uff0c\u5e76\u786e\u4fdd\u5728\u9519\u8bef\u53d1\u751f\u65f6\u5173\u95ed\u8fde\u63a5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>19.3 \u81ea\u52a8\u91cd\u8fde\u7b56\u7565<\/strong><\/h2>\n\n\n\n<p>WebSocket \u8fde\u63a5\u53ef\u80fd\u4f1a\u7531\u4e8e\u7f51\u7edc\u6ce2\u52a8\u6216\u5176\u4ed6\u539f\u56e0\u800c\u4e2d\u65ad\u3002\u4e3a\u4e86\u63d0\u5347\u7cfb\u7edf\u7684\u53ef\u9760\u6027\uff0c\u5ba2\u6237\u7aef\u5e94\u5b9e\u73b0\u81ea\u52a8\u91cd\u8fde\u673a\u5236\u3002\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u7b56\u7565\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6307\u6570\u9000\u907f\u91cd\u8fde<\/strong>\uff1a\u901a\u8fc7\u9010\u6b65\u589e\u52a0\u91cd\u8bd5\u7684\u65f6\u95f4\u95f4\u9694\u6765\u907f\u514d\u9891\u7e41\u7684\u91cd\u8bd5\u64cd\u4f5c\uff0c\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u8d1f\u8f7d\u3002<\/li>\n\n\n\n<li><strong>\u6700\u5927\u91cd\u8bd5\u6b21\u6570<\/strong>\uff1a\u4e3a\u4e86\u907f\u514d\u6b7b\u5faa\u73af\u6216\u65e0\u9650\u91cd\u8bd5\uff0c\u53ef\u4ee5\u8bbe\u5b9a\u6700\u5927\u91cd\u8bd5\u6b21\u6570\uff0c\u8d85\u51fa\u6b21\u6570\u540e\u505c\u6b62\u91cd\u8bd5\u3002<\/li>\n\n\n\n<li><strong>\u91cd\u8fde\u95f4\u9694<\/strong>\uff1a\u53ef\u4ee5\u8bbe\u7f6e\u56fa\u5b9a\u7684\u91cd\u8fde\u95f4\u9694\u6216\u52a8\u6001\u8c03\u6574\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u6307\u6570\u9000\u907f\u91cd\u8fde\u793a\u4f8b\uff1a<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>let socket;\nlet reconnectAttempts = 0;\nconst maxReconnectAttempts = 5;\nconst reconnectDelay = 1000; \/\/ \u521d\u59cb\u91cd\u8fde\u5ef6\u8fdf\u4e3a1\u79d2\n\nfunction createWebSocket() {\n  socket = new WebSocket('wss:\/\/localhost:8765');\n\n  socket.onopen = () =&gt; {\n    console.log('WebSocket connected!');\n    reconnectAttempts = 0; \/\/ \u8fde\u63a5\u6210\u529f\uff0c\u91cd\u7f6e\u91cd\u8bd5\u6b21\u6570\n  };\n\n  socket.onmessage = (event) =&gt; {\n    console.log('Message received: ', event.data);\n  };\n\n  socket.onerror = (error) =&gt; {\n    console.error('WebSocket Error: ', error);\n  };\n\n  socket.onclose = (event) =&gt; {\n    if (!event.wasClean &amp;&amp; reconnectAttempts &lt; maxReconnectAttempts) {\n      reconnectAttempts++;\n      console.log(`Reconnecting attempt ${reconnectAttempts}...`);\n      setTimeout(createWebSocket, reconnectDelay * Math.pow(2, reconnectAttempts)); \/\/ \u6307\u6570\u9000\u907f\n    } else if (reconnectAttempts &gt;= maxReconnectAttempts) {\n      console.log('Max reconnect attempts reached.');\n    }\n  };\n}\n\ncreateWebSocket();<\/code><\/pre>\n\n\n\n<p>\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u5ba2\u6237\u7aef\u4f1a\u6839\u636e\u91cd\u8fde\u6b21\u6570\u9010\u6b65\u589e\u52a0\u91cd\u8bd5\u95f4\u9694\uff0c\u5e76\u4e14\u6700\u591a\u91cd\u8bd5 5 \u6b21\u3002\u5982\u679c\u91cd\u8fde\u6b21\u6570\u8fbe\u5230\u4e0a\u9650\uff0c\u5219\u4e0d\u518d\u5c1d\u8bd5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>19.4 \u6d88\u606f\u961f\u5217\u4e0e\u7f13\u5b58\u673a\u5236<\/strong><\/h2>\n\n\n\n<p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u53ef\u80fd\u65e0\u6cd5\u5373\u65f6\u53d1\u9001\u6216\u63a5\u6536\u6d88\u606f\u3002\u4e3a\u4e86\u907f\u514d\u6d88\u606f\u4e22\u5931\uff0c\u53ef\u4ee5\u5728 WebSocket \u8fde\u63a5\u65ad\u5f00\u65f6\u4f7f\u7528\u6d88\u606f\u961f\u5217\u6216\u7f13\u5b58\u673a\u5236\u6765\u4fdd\u5b58\u6d88\u606f\uff0c\u5e76\u5728\u8fde\u63a5\u6062\u590d\u65f6\u8fdb\u884c\u5904\u7406\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5ba2\u6237\u7aef\u7f13\u5b58\u6d88\u606f<\/strong>\uff1a\u5ba2\u6237\u7aef\u53ef\u4ee5\u5728\u8fde\u63a5\u65ad\u5f00\u65f6\u5c06\u6d88\u606f\u7f13\u5b58\u5728\u672c\u5730\uff0c\u8fde\u63a5\u6062\u590d\u540e\u518d\u5c06\u6d88\u606f\u53d1\u9001\u5230\u670d\u52a1\u7aef\u3002<\/li>\n\n\n\n<li><strong>\u670d\u52a1\u7aef\u7f13\u5b58\u6d88\u606f<\/strong>\uff1a\u670d\u52a1\u7aef\u53ef\u4ee5\u901a\u8fc7\u961f\u5217\uff08\u5982 Redis\uff09\u4fdd\u5b58\u6d88\u606f\uff0c\u7b49\u5f85\u8fde\u63a5\u6062\u590d\u65f6\u63a8\u9001\u7ed9\u5ba2\u6237\u7aef\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>19.5 \u76d1\u63a7\u4e0e\u65e5\u5fd7\u8bb0\u5f55<\/strong><\/h2>\n\n\n\n<p>\u4e3a\u4e86\u786e\u4fdd WebSocket \u8fde\u63a5\u7684\u7a33\u5b9a\u6027\uff0c\u53ef\u4ee5\u6dfb\u52a0\u65e5\u5fd7\u8bb0\u5f55\u548c\u76d1\u63a7\u673a\u5236\u3002\u65e5\u5fd7\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u5728\u9519\u8bef\u53d1\u751f\u65f6\u5feb\u901f\u5b9a\u4f4d\u95ee\u9898\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u65e5\u5fd7\u8bb0\u5f55<\/strong>\uff1a\u8bb0\u5f55 WebSocket \u8fde\u63a5\u7684\u5efa\u7acb\u3001\u65ad\u5f00\u3001\u9519\u8bef\u7b49\u4fe1\u606f\u3002<\/li>\n\n\n\n<li><strong>\u6027\u80fd\u76d1\u63a7<\/strong>\uff1a\u76d1\u63a7 WebSocket \u8fde\u63a5\u7684\u6570\u91cf\u3001\u4f20\u8f93\u7684\u6d88\u606f\u6570\u91cf\u7b49\uff0c\u4ee5\u4fbf\u4e8e\u53ca\u65f6\u53d1\u73b0\u548c\u89e3\u51b3\u6027\u80fd\u74f6\u9888\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>19.6 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