{"id":1137,"date":"2024-10-30T04:27:42","date_gmt":"2024-10-30T04:27:42","guid":{"rendered":"https:\/\/blue16.cn\/?p=1137"},"modified":"2024-10-30T16:11:13","modified_gmt":"2024-10-30T16:11:13","slug":"%e5%a4%a7%e6%88%98websocket%e5%8d%8f%e8%ae%ae","status":"publish","type":"post","link":"https:\/\/blue16.cn\/index.php\/2024\/10\/30\/1137\/","title":{"rendered":"\u5927\u6218WebSocket\u534f\u8bae"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u524d\u8a00<\/h2>\n\n\n\n<p>\u7531\u4e8e\u9879\u76ee\u9700\u8981\u4f7f\u7528WebSocket\u505a\u5206\u5e03\u5f0f\u4e4b\u95f4\u7684\u901a\u8baf\u3002\u6240\u4ee5\u6700\u8fd1\u7814\u7a76\u4e86\u4e00\u4e0bWebSocket\u5728SpringBoot\u548cPython\u4e2d\u7684\u901a\u8baf\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p><strong>\u6ce8\u610f\uff1a<\/strong>WebSocket\u662f\u6700\u6734\u7d20\u7684\u901a\u8baf\u65b9\u6cd5\uff0c\u8fd9\u4e5f\u5bfc\u81f4\u4e86\u76f4\u63a5\u4f7f\u7528\u8f83\u4e3a\u7e41\u7410\u3002\u6211\u4eec\u8fd9\u6b21\u4f7f\u7528\u7684\u662f\u6700\u539f\u59cb\u7684WebSocket\u534f\u8bae\uff0c\u5176\u4ed6\u7684\u7c7b\u4f3c\u4e8eSTOMP\u8fd9\u79cd\uff0c\u7b97\u662f\u5176\u5347\u7ea7\u7248\u3002\u5f53\u7136\u4e5f\u6709\u5b9e\u73b0\u597d\u4e86\u7684\u7c7b\u4f3c\u4e8eRabbitMQ\u8fd9\u79cd\u6d88\u606f\u961f\u5217\u7cfb\u7edf\uff0c\u8fd9\u4e9b\u90fd\u4e0d\u662f\u6211\u4eec\u4eca\u5929\u8ba8\u8bba\u7684\u5185\u5bb9\u3002\uff08\u592a\u590d\u6742\u4e86\uff0c\u6211\u4eec\u65f6\u95f4\u4e0d\u592a\u591f\uff0c\u5148\u81ea\u5df1\u5199\u4e00\u4e2a\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Server\u7aef\uff08SpringBoot\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u6b65\uff1a\u5bfc\u5165\u4f9d\u8d56<\/h3>\n\n\n\n<p>\u9879\u76ee\u91c7\u7528Maven\u6784\u5efa\uff0c\u5728pom.xml\u4e2d\u52a0\u5165\u5982\u4e0b\u4f9d\u8d56\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\t\t&lt;dependency&gt;\n\t\t\t&lt;groupId&gt;org.springframework.boot&lt;\/groupId&gt;\n\t\t\t&lt;artifactId&gt;spring-boot-starter-websocket&lt;\/artifactId&gt;\n\t\t&lt;\/dependency&gt;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u6b65\uff1a\u521b\u5efa\u4e00\u4e2a\u914d\u7f6e\u7c7b<\/h3>\n\n\n\n<p>\u914d\u7f6e\u7c7b\uff1aSpring Boot \u7684\u914d\u7f6e\u7c7b\u901a\u5e38\u662f\u6307\u90a3\u4e9b\u4f7f\u7528\u4e86 <code>@Configuration<\/code> \u6ce8\u89e3\u7684 Java \u7c7b\uff0c\u5b83\u4eec\u7528\u6765\u5b9a\u4e49 Spring \u5bb9\u5668\u4e2d\u7684 bean \u5bf9\u8c61\u3002\u8fd9\u4e9b\u7c7b\u5141\u8bb8\u4f60\u5728\u4ee3\u7801\u4e2d\u58f0\u660e bean\uff0c\u800c\u4e0d\u662f\u901a\u8fc7 XML \u6587\u4ef6\u6765\u914d\u7f6e\u3002<\/p>\n\n\n\n<p><strong>\u7b80\u5355\u6765\u8bf4\uff0c\u5c31\u662f\u4f7f\u7528Java\u4ee3\u7801\u7684\u5f62\u5f0f\u5bf9\u4ee3\u7801\u8fdb\u884c\u914d\u7f6e<\/strong>\u3002\uff08\u7c7b\u4f3c\u4e8eapplication.properties\u7684\u4f5c\u7528\uff09<\/p>\n\n\n\n<p>\u914d\u7f6e\u7c7bWebSocketConfig.java\u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import org.springframework.context.annotation.Configuration;\nimport org.springframework.stereotype.Service;\nimport org.springframework.web.socket.config.annotation.EnableWebSocket;\nimport org.springframework.web.socket.config.annotation.WebSocketConfigurer;\nimport org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;\n\n@Configuration\n@EnableWebSocket\npublic class WebSocketConfig implements WebSocketConfigurer {\n\n    @Override\n    public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {\n        registry.addHandler(new MyTextWebSocketHandler(), \"\/server-data\").setAllowedOrigins(\"*\");\n    }\n}<\/code><\/pre>\n\n\n\n<p>\u914d\u7f6e\u7c7b\u7684\u4e00\u822c\u505a\u6cd5\uff1a<strong>\u5b9e\u73b0\/\u7ee7\u627f\u4e00\u4e2a\u914d\u7f6e\u7c7b\uff08WebSocketConfigurer\uff09\uff0c\u7136\u540e@Override\u91cd\u5199\u5bf9\u5e94\u7684\u65b9\u6cd5<\/strong>\u3002<\/p>\n\n\n\n<p>\u8fd9\u91cc\u5c31\u901a\u8fc7addHandler\u65b9\u6cd5\uff0c\u65b0\u589e\u4e00\u4e2a\u76d1\u542c\u5668\uff0c\u76d1\u542c\u5668\u5c31\u662fHandler\u7684\u4e00\u4e2aclass\uff0c\u540e\u9762\u4e5f\u53ef\u4ee5\u901a\u8fc7\u7ee7\u627f\u7684\u65b9\u5f0f\u91cd\u5199\u4ee5\u5b9e\u73b0\u81ea\u5df1\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u5f53\u7136\uff0c\u4f60\u4e5f\u53ef\u4ee5\u914d\u7f6e\u591a\u4e2aHandler\uff0cHandler\u987e\u540d\u601d\u4e49\uff0c\u5c31\u662f\u5904\u7406\u4e00\u4e2aWebsocket\u8bf7\u6c42\u7684\u7c7b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e8c\u6b65\uff0c\u521b\u5efa\u4e00\u4e2aHandler\u5904\u7406WebSocket\u4e8b\u4ef6<\/h3>\n\n\n\n<p>SpringBoot\u7684WebSocket\u9ed8\u8ba4\u63d0\u4f9b\u4e86<strong><code>TextWebSocketHandler<\/code>\u548c<code>BinaryWebSocketHandler<\/code><\/strong>\u3002\u9664\u6b64\u4e4b\u5916\uff0cSpring\u8fd8\u63d0\u4f9b\u4e86<code>WebSocketHandler<\/code>\u63a5\u53e3\uff0c\u4f60\u53ef\u4ee5\u76f4\u63a5\u5b9e\u73b0\u8fd9\u4e2a\u63a5\u53e3\u6765\u521b\u5efa\u81ea\u5df1\u7684WebSocket\u5904\u7406\u5668\u3002\u8fd9\u6837\u53ef\u4ee5\u63d0\u4f9b\u66f4\u591a\u7684\u7075\u6d3b\u6027\uff0c\u56e0\u4e3a\u4f60\u53ef\u4ee5\u5728\u5b9e\u73b0\u4e2d\u5b8c\u5168\u63a7\u5236WebSocket\u8fde\u63a5\u7684\u751f\u547d\u5468\u671f\u3002<\/p>\n\n\n\n<p>TextWebSocketHandler\uff1a\u7528\u4e8e\u6536\u53d1\u6587\u672c\u6570\u636e<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import org.springframework.web.socket.handler.TextWebSocketHandler;\nimport org.springframework.web.socket.CloseStatus;\nimport org.springframework.web.socket.TextMessage;\nimport org.springframework.web.socket.WebSocketSession;\n\npublic class MyTextWebSocketHandler extends TextWebSocketHandler {\n\n    \/\/ \u5f53WebSocket\u8fde\u63a5\u5efa\u7acb\u65f6\u8c03\u7528\n    @Override\n    public void afterConnectionEstablished(WebSocketSession session) throws Exception {\n        super.afterConnectionEstablished(session);\n        \/\/ \u53ef\u4ee5\u5728\u8fd9\u91cc\u53d1\u9001\u4e00\u4e9b\u521d\u59cb\u5316\u6570\u636e\u7ed9\u5ba2\u6237\u7aef\n        session.sendMessage(new TextMessage(\"Connection established\"));\n    }\n\n    \/\/ \u5f53\u63a5\u6536\u5230\u5ba2\u6237\u7aef\u7684\u6d88\u606f\u65f6\u8c03\u7528\n    @Override\n    protected void handleTextMessage(WebSocketSession session, TextMessage message) throws Exception {\n        String payload = message.getPayload();\n        \/\/ \u5411\u5ba2\u6237\u7aef\u56de\u9001\u6d88\u606f\n        session.sendMessage(new TextMessage(\"Received: \" + payload));\n    }\n\n    \/\/ \u5f53WebSocket\u8fde\u63a5\u5173\u95ed\u65f6\u8c03\u7528\n    @Override\n    public void afterConnectionClosed(WebSocketSession session, CloseStatus status) throws Exception {\n        super.afterConnectionClosed(session, status);\n        \/\/ \u53ef\u4ee5\u5728\u8fd9\u91cc\u505a\u4e00\u4e9b\u6e05\u7406\u5de5\u4f5c\n    }\n\n    \/\/ \u5f53\u51fa\u73b0\u5f02\u5e38\u65f6\u8c03\u7528\n    @Override\n    public void handleTransportError(WebSocketSession session, Throwable exception) throws Exception {\n        super.handleTransportError(session, exception);\n        \/\/ \u5904\u7406\u9519\u8bef\u60c5\u51b5\n    }\n}\n<\/code><\/pre>\n\n\n\n<p>BinaryWebSocketHandler\uff1a\u7528\u4e8e\u6536\u53d1\u4e8c\u8fdb\u5236\u6570\u636e\uff08byte[]\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import org.springframework.web.socket.BinaryMessage;\nimport org.springframework.web.socket.WebSocketSession;\nimport org.springframework.web.socket.handler.BinaryWebSocketHandler;\nimport org.springframework.web.socket.CloseStatus;\n\npublic class MyBinaryWebSocketHandler extends BinaryWebSocketHandler {\n\n\n    \/\/ \u5f53WebSocket\u8fde\u63a5\u5efa\u7acb\u65f6\u8c03\u7528\n    @Override\n    public void afterConnectionEstablished(WebSocketSession session) throws Exception {\n        super.afterConnectionEstablished(session);\n        \/\/ \u53ef\u4ee5\u5728\u8fd9\u91cc\u53d1\u9001\u4e00\u4e9b\u521d\u59cb\u5316\u6570\u636e\u7ed9\u5ba2\u6237\u7aef\n    }\n\n    \/\/ \u5f53\u63a5\u6536\u5230\u5ba2\u6237\u7aef\u7684\u4e8c\u8fdb\u5236\u6d88\u606f\u65f6\u8c03\u7528\n    @Override\n    protected void handleBinaryMessage(WebSocketSession session, BinaryMessage message) throws Exception {\n        byte&#91;] payload = message.getPayload().array();\n        \/\/ \u5411\u5ba2\u6237\u7aef\u56de\u9001\u6d88\u606f\n        session.sendMessage(new BinaryMessage(payload));\n    }\n\n    \/\/ \u5f53WebSocket\u8fde\u63a5\u5173\u95ed\u65f6\u8c03\u7528\n    @Override\n    public void afterConnectionClosed(WebSocketSession session, CloseStatus status) throws Exception {\n        super.afterConnectionClosed(session, status);\n        \/\/ \u53ef\u4ee5\u5728\u8fd9\u91cc\u505a\u4e00\u4e9b\u6e05\u7406\u5de5\u4f5c\n    }\n\n    \/\/ \u5f53\u51fa\u73b0\u5f02\u5e38\u65f6\u8c03\u7528\n    @Override\n    public void handleTransportError(WebSocketSession session, Throwable exception) throws Exception {\n        super.handleTransportError(session, exception);\n        \/\/ \u5904\u7406\u9519\u8bef\u60c5\u51b5\n    }\n}<\/code><\/pre>\n\n\n\n<p>\u5177\u4f53\u600e\u4e48\u7528\uff0c\u6ce8\u89e3\u5df2\u7ecf\u5199\u7684\u975e\u5e38\u6e05\u695a\u4e86\u3002\u5c31\u662f\u9047\u5230\u4ec0\u4e48\u4e8b\u4ef6\u8c03\u7528\u4ec0\u4e48\u4e8b\u4ef6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cilent\u7aef\uff08Python\uff09<\/h2>\n\n\n\n<p>Python\u4e2d\u6709\u4e24\u4e2a\u5173\u4e8eWebSocket\u7684\u5e93\uff0c\u4e00\u4e2a\u662fwebsocket-cilient\uff08\u7b80\u79f0websocket\uff09\uff0c\u8fd8\u6709\u4e00\u4e2a\u662fwebsockets\u3002\u4e24\u4e2a\u6709\u4ec0\u4e48\u533a\u522b\u5462\uff1f<strong>\u524d\u8005\u66f4\u7b80\u5355\uff0c\u4f46\u4e0d\u652f\u6301\u5f02\u6b65\uff08\u5c11\u91cf\u6570\u636e\u4e5f\u7528\u4e0d\u5230\uff09\uff0c\u540e\u8005\u66f4\u590d\u6742\uff0c\u4f46\u662f\u652f\u6301\u5f02\u6b65<\/strong>\uff08\u591a\u7ebf\u7a0b\u64cd\u4f5c\u7684\u611f\u89c9\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">WebSocket\u5e93<\/h3>\n\n\n\n<p>\u4f7f\u7528websocket\u5e93\u7684\u6548\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import websocket\n\ndef on_message(ws, message):\n    print(message)\n    ws.close()\n\ndef on_error(ws, error):\n    print(error)\n\ndef on_close(ws, close_status_code, close_msg):\n    print(\"### closed ###\")\n\ndef on_open(ws):\n    ws.send(\"Hello, Server!\")\n\nif __name__ == \"__main__\":\n    websocket.enableTrace(True)\n    ws = websocket.WebSocketApp(\"ws:\/\/127.0.0.1:8090\/server-data\",\n                                on_open=on_open,\n                                on_message=on_message,\n                                on_error=on_error,\n                                on_close=on_close)\n\n    ws.run_forever(reconnect=1) # \u5982\u679c\u65ad\u5f00\u8fde\u63a5\uff0c1s\u91cd\u8bd5\u4e00\u6b21\n    <\/code><\/pre>\n\n\n\n<p>\u53ea\u9700\u8981\u628a\u56de\u8c03\u51fd\u6570\u4f20\u5165\u5373\u53ef\uff0c\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">WebSockets\u5e93<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>import asyncio\nimport websockets\n\nasync def hello():\n    uri = \"ws:\/\/127.0.0.1:8090\/server-data\"\n    async with websockets.connect(uri) as websocket:\n        await websocket.send(\"Hello, server!\")\n        greeting = await websocket.recv()\n        print(f\"&lt; {greeting}\")\n\nasyncio.run(hello())<\/code><\/pre>\n\n\n\n<p>\u5177\u4f53\u60c5\u51b5\uff0c\u5177\u4f53\u9009\u62e9\u5427\uff0c\u6211\u4eec\u5c31\u53ea\u641e\u4e00\u4e2a\u7b80\u5355\u7684\u6307\u4ee4\u4f20\u8f93\uff0c\u6240\u4ee5\u4e5f\u7528\u4e0d\u5230\u5f02\u6b65\uff0c\u6240\u4ee5\u6211\u4eec\u9009\u7b80\u5355\u7684\u90a3\u4e2a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00 \u7531\u4e8e\u9879\u76ee\u9700\u8981\u4f7f\u7528WebSocket\u505a\u5206\u5e03\u5f0f\u4e4b\u95f4\u7684\u901a\u8baf\u3002\u6240\u4ee5\u6700\u8fd1\u7814\u7a76\u4e86\u4e00\u4e0bWebSocket\u5728Spring [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[65,26,27],"tags":[],"class_list":["post-1137","post","type-post","status-publish","format-standard","hentry","category-web","category-study","category-study_note"],"_links":{"self":[{"href":"https:\/\/blue16.cn\/index.php\/wp-json\/wp\/v2\/posts\/1137","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blue16.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blue16.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blue16.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blue16.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1137"}],"version-history":[{"count":3,"href":"https:\/\/blue16.cn\/index.php\/wp-json\/wp\/v2\/posts\/1137\/revisions"}],"predecessor-version":[{"id":1141,"href":"https:\/\/blue16.cn\/index.php\/wp-json\/wp\/v2\/posts\/1137\/revisions\/1141"}],"wp:attachment":[{"href":"https:\/\/blue16.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1137"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blue16.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1137"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blue16.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}