{"id":12661,"date":"2025-04-18T19:47:03","date_gmt":"2025-04-18T11:47:03","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/12661.html"},"modified":"2025-04-18T19:47:03","modified_gmt":"2025-04-18T11:47:03","slug":"mqtt%e6%95%99%e7%a8%8b-%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%bd%bf%e7%94%a8emqx%e5%92%8c%e5%ae%a2%e6%88%b7%e7%ab%af%e4%bd%bf%e7%94%a8mqttx","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/12661.html","title":{"rendered":"MQTT\u6559\u7a0b--\u670d\u52a1\u5668\u4f7f\u7528EMQX\u548c\u5ba2\u6237\u7aef\u4f7f\u7528MQTTX"},"content":{"rendered":"<\/p>\n<h4>MQTT\u6559\u7a0b<\/h4>\n<ul>\n<li>\u4ec0\u4e48\u662fMQTT<\/li>\n<li>\n<ul>\n<li>\u4e3a\u4ec0\u4e48 MQTT \u662f\u9002\u7528\u4e8e\u7269\u8054\u7f51\u7684\u6700\u4f73\u534f\u8bae&#xff1f;<\/li>\n<li>MQTT \u7684\u5de5\u4f5c\u539f\u7406<\/li>\n<li>\n<ul>\n<li>MQTT \u5ba2\u6237\u7aef<\/li>\n<li>MQTT Broker<\/li>\n<li>\u53d1\u5e03-\u8ba2\u9605\u6a21\u5f0f<\/li>\n<li>\n<ul>\n<li>\u4e3b\u9898<\/li>\n<li>QoS<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>MQTT \u7684\u5de5\u4f5c\u6d41\u7a0b<\/li>\n<li>\u5f00\u59cb\u4f7f\u7528 MQTT&#xff1a;\u5feb\u901f\u6559\u7a0b<\/li>\n<li>\n<ul>\n<li>\u51c6\u5907 MQTT Broker&#8211;EMQX<\/li>\n<li>\n<ul>\n<li>EMQX<\/li>\n<li>\n<ul>\n<li>\u4e0b\u8f7d\u548c\u5b89\u88c5<\/li>\n<li>web\u8bbf\u95ee<\/li>\n<li>\u6587\u6863<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u51c6\u5907 MQTT \u5ba2\u6237\u7aef&#8211;MQTTX<\/li>\n<li>\n<ul>\n<li>MQTTX<\/li>\n<li>\n<ul>\n<li>windows\u5ba2\u6237\u7aef\u5de5\u5177<\/li>\n<li>MQTTX CLI<\/li>\n<li>MQTTX Web<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u521b\u5efa MQTT \u8fde\u63a5<\/li>\n<\/ul>\n<\/li>\n<li>MQTT\u5165\u95e8<\/li>\n<li>MQTT\u8fdb\u9636<\/li>\n<li>MQTT\u7f16\u7a0b<\/li>\n<li>\n<ul>\n<li>\u670d\u52a1\u7aef<\/li>\n<li>\u524d\u7aef<\/li>\n<li>\u79fb\u52a8\u7aef<\/li>\n<li>\u786c\u4ef6<\/li>\n<\/ul>\n<\/li>\n<li>MQTT\u672f\u8bed\u8868<\/li>\n<li>\n<ul>\n<li>Broker<\/li>\n<li>Clean Start<\/li>\n<li>Client<\/li>\n<li>Client ID<\/li>\n<li>Connection<\/li>\n<li>Content Type<\/li>\n<li>Enhanced Authentication<\/li>\n<li>Flow Control<\/li>\n<li>Keep Alive<\/li>\n<li>Message<\/li>\n<li>Message Expiry Interval<\/li>\n<li>MQTT over QUIC<\/li>\n<li>MQTT v3.1.1<\/li>\n<li>MQTT v5.0<\/li>\n<li>Packet<\/li>\n<li>Packet Identifier<\/li>\n<li>Payload<\/li>\n<li>Payload Format Indicator<\/li>\n<li>PINGREQ &amp; PINGRESP<\/li>\n<li>Property<\/li>\n<li>Publish\/Subscribe<\/li>\n<li>QoS<\/li>\n<li>Reason Code<\/li>\n<li>Reason String<\/li>\n<li>Receive Maximum<\/li>\n<li>Request &amp; Response<\/li>\n<li>Retained Message<\/li>\n<li>Security<\/li>\n<li>Server<\/li>\n<li>Server Disconnect<\/li>\n<li>Server Reference<\/li>\n<li>Session<\/li>\n<li>Session Expiry Interval<\/li>\n<li>Session Present<\/li>\n<li>Shared Subscription<\/li>\n<li>Subscription Identifier<\/li>\n<li>Subscription Options<\/li>\n<li>Topic<\/li>\n<li>Topic Alias<\/li>\n<li>Topic Filter<\/li>\n<li>Topic Name<\/li>\n<li>Topic Wildcards<\/li>\n<li>Username &amp; Password<\/li>\n<li>User Property<\/li>\n<li>Will Delay Interval<\/li>\n<li>Will Message<\/li>\n<li>$ Topic<\/li>\n<\/ul>\n<\/li>\n<li>MQTT FAQs<\/li>\n<li>\n<ul>\n<li>\u4ec0\u4e48\u662f MQTT&#xff1f;<\/li>\n<li>\u4ec0\u4e48\u662f MQTT Broker&#xff1f;<\/li>\n<li>\u4ec0\u4e48\u662f EMQX&#xff1f;<\/li>\n<li>EMQX \u652f\u6301 TLS \u5417&#xff1f;<\/li>\n<li>\u4ec0\u4e48\u662f MQTT \u4e3b\u9898&#xff1f;<\/li>\n<li>MQTT \u548c EMQX \u6709\u4ec0\u4e48\u533a\u522b&#xff1f;<\/li>\n<li>MQTT \u548c AMQP \u6709\u4ec0\u4e48\u533a\u522b&#xff1f;<\/li>\n<li>MQTT \u548c Kafka \u6709\u4ec0\u4e48\u533a\u522b&#xff1f;<\/li>\n<li>EMQX \u662f\u514d\u8d39\u7684\u5417&#xff1f;<\/li>\n<li>\u9664\u4e86 MQTT&#xff0c;EMQX \u8fd8\u652f\u6301\u54ea\u4e9b\u534f\u8bae&#xff1f;<\/li>\n<li>EMQX \u652f\u6301\u54ea\u4e2a MQTT \u7248\u672c&#xff1f;<\/li>\n<li>MQTT \u6709\u591a\u5b89\u5168&#xff1f;<\/li>\n<li>MQTT \u4f7f\u7528 TCP \u8fd8\u662f UDP&#xff1f;<\/li>\n<li>EMQX \u80fd\u5426\u4ee3\u66ff RabbitMQ&#xff1f;<\/li>\n<li>MQTT \u6bd4 AMQP \u5feb\u5417&#xff1f;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u4ec0\u4e48\u662fMQTT<\/h2>\n<p>MQTT&#xff08;Message Queuing Telemetry Transport&#xff09;\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u3001\u57fa\u4e8e\u53d1\u5e03-\u8ba2\u9605\u6a21\u5f0f\u7684\u6d88\u606f\u4f20\u8f93\u534f\u8bae&#xff0c;\u9002\u7528\u4e8e\u8d44\u6e90\u53d7\u9650\u7684\u8bbe\u5907\u548c\u4f4e\u5e26\u5bbd\u3001\u9ad8\u5ef6\u8fdf\u6216\u4e0d\u7a33\u5b9a\u7684\u7f51\u7edc\u73af\u5883\u3002\u5b83\u5728\u7269\u8054\u7f51\u5e94\u7528\u4e2d\u5e7f\u53d7\u6b22\u8fce&#xff0c;\u80fd\u591f\u5b9e\u73b0\u4f20\u611f\u5668\u3001\u6267\u884c\u5668\u548c\u5176\u5b83\u8bbe\u5907\u4e4b\u95f4\u7684\u9ad8\u6548\u901a\u4fe1\u3002<\/p>\n<h3>\u4e3a\u4ec0\u4e48 MQTT \u662f\u9002\u7528\u4e8e\u7269\u8054\u7f51\u7684\u6700\u4f73\u534f\u8bae&#xff1f;<\/h3>\n<p>MQTT \u6240\u5177\u6709\u7684\u9002\u7528\u4e8e\u7269\u8054\u7f51\u7279\u5b9a\u9700\u6c42\u7684\u7279\u70b9\u548c\u529f\u80fd&#xff0c;\u4f7f\u5176\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u6700\u4f73\u7684\u534f\u8bae\u4e4b\u4e00\u3002\u5b83\u7684\u4e3b\u8981\u7279\u70b9\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u8f7b\u91cf\u7ea7&#xff1a;\u7269\u8054\u7f51\u8bbe\u5907\u901a\u5e38\u5728\u5904\u7406\u80fd\u529b\u3001\u5185\u5b58\u548c\u80fd\u8017\u65b9\u9762\u53d7\u5230\u9650\u5236\u3002MQTT \u5f00\u9500\u4f4e\u3001\u62a5\u6587\u5c0f\u7684\u7279\u70b9\u4f7f\u5176\u975e\u5e38\u9002\u5408\u8fd9\u4e9b\u8bbe\u5907&#xff0c;\u56e0\u4e3a\u5b83\u6d88\u8017\u66f4\u5c11\u7684\u8d44\u6e90&#xff0c;\u5373\u4f7f\u5728\u6709\u9650\u7684\u80fd\u529b\u4e0b\u4e5f\u80fd\u5b9e\u73b0\u9ad8\u6548\u7684\u901a\u4fe1\u3002<\/li>\n<li>\u53ef\u9760&#xff1a;\u7269\u8054\u7f51\u7f51\u7edc\u5e38\u5e38\u9762\u4e34\u9ad8\u5ef6\u8fdf\u6216\u8fde\u63a5\u4e0d\u7a33\u5b9a\u7684\u60c5\u51b5\u3002MQTT \u652f\u6301\u591a\u79cd QoS \u7b49\u7ea7\u3001\u4f1a\u8bdd\u611f\u77e5\u548c\u6301\u4e45\u8fde\u63a5&#xff0c;\u5373\u4f7f\u5728\u56f0\u96be\u7684\u6761\u4ef6\u4e0b\u4e5f\u80fd\u4fdd\u8bc1\u6d88\u606f\u7684\u53ef\u9760\u4f20\u9012&#xff0c;\u4f7f\u5176\u975e\u5e38\u9002\u5408\u7269\u8054\u7f51\u5e94\u7528\u3002<\/li>\n<li>\u5b89\u5168\u901a\u4fe1&#xff1a;\u5b89\u5168\u5bf9\u4e8e\u7269\u8054\u7f51\u7f51\u7edc\u81f3\u5173\u91cd\u8981&#xff0c;\u56e0\u4e3a\u5176\u7ecf\u5e38\u6d89\u53ca\u654f\u611f\u6570\u636e\u7684\u4f20\u8f93\u3002\u4e3a\u786e\u4fdd\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u673a\u5bc6\u6027&#xff0c;MQTT \u63d0\u4f9b\u4f20\u8f93\u5c42\u5b89\u5168&#xff08;TLS&#xff09;\u548c\u5b89\u5168\u5957\u63a5\u5c42&#xff08;SSL&#xff09;\u52a0\u5bc6\u529f\u80fd\u3002\u6b64\u5916&#xff0c;MQTT \u8fd8\u901a\u8fc7\u7528\u6237\u540d\/\u5bc6\u7801\u51ed\u8bc1\u6216\u5ba2\u6237\u7aef\u8bc1\u4e66\u63d0\u4f9b\u8eab\u4efd\u9a8c\u8bc1\u548c\u6388\u6743\u673a\u5236&#xff0c;\u4ee5\u4fdd\u62a4\u7f51\u7edc\u53ca\u5176\u8d44\u6e90\u7684\u8bbf\u95ee\u3002<\/li>\n<li>\u53cc\u5411\u901a\u4fe1&#xff1a;MQTT \u7684\u53d1\u5e03-\u8ba2\u9605\u6a21\u5f0f\u4e3a\u8bbe\u5907\u4e4b\u95f4\u63d0\u4f9b\u4e86\u65e0\u7f1d\u7684\u53cc\u5411\u901a\u4fe1\u65b9\u5f0f\u3002\u5ba2\u6237\u7aef\u65e2\u53ef\u4ee5\u5411\u4e3b\u9898\u53d1\u5e03\u6d88\u606f&#xff0c;\u4e5f\u53ef\u4ee5\u8ba2\u9605\u63a5\u6536\u7279\u5b9a\u4e3b\u9898\u4e0a\u7684\u6d88\u606f&#xff0c;\u4ece\u800c\u5b9e\u73b0\u4e86\u7269\u8054\u7f51\u751f\u6001\u7cfb\u7edf\u4e2d\u7684\u9ad8\u6548\u6570\u636e\u4ea4\u6362&#xff0c;\u800c\u65e0\u9700\u76f4\u63a5\u5c06\u8bbe\u5907\u8026\u5408\u5728\u4e00\u8d77\u3002\u8fd9\u79cd\u6a21\u5f0f\u4e5f\u7b80\u5316\u4e86\u65b0\u8bbe\u5907\u7684\u96c6\u6210&#xff0c;\u540c\u65f6\u4fdd\u8bc1\u4e86\u7cfb\u7edf\u6613\u4e8e\u6269\u5c55\u3002<\/li>\n<li>\u8fde\u7eed\u3001\u6709\u72b6\u6001\u7684\u4f1a\u8bdd&#xff1a;MQTT \u63d0\u4f9b\u4e86\u5ba2\u6237\u7aef\u4e0e Broker \u4e4b\u95f4\u4fdd\u6301\u6709\u72b6\u6001\u4f1a\u8bdd\u7684\u80fd\u529b&#xff0c;\u8fd9\u4f7f\u5f97\u7cfb\u7edf\u5373\u4f7f\u5728\u65ad\u5f00\u8fde\u63a5\u540e\u4e5f\u80fd\u8bb0\u4f4f\u8ba2\u9605\u548c\u672a\u4f20\u9012\u7684\u6d88\u606f\u3002\u6b64\u5916&#xff0c;\u5ba2\u6237\u7aef\u8fd8\u53ef\u4ee5\u5728\u5efa\u7acb\u8fde\u63a5\u65f6\u6307\u5b9a\u4e00\u4e2a\u4fdd\u6d3b\u95f4\u9694&#xff0c;\u8fd9\u4f1a\u4fc3\u4f7f Broker \u5b9a\u671f\u68c0\u67e5\u8fde\u63a5\u72b6\u6001\u3002\u5982\u679c\u8fde\u63a5\u4e2d\u65ad&#xff0c;Broker \u4f1a\u50a8\u5b58\u672a\u4f20\u9012\u7684\u6d88\u606f&#xff08;\u6839\u636e QoS \u7ea7\u522b\u786e\u5b9a&#xff09;&#xff0c;\u5e76\u5728\u5ba2\u6237\u7aef\u91cd\u65b0\u8fde\u63a5\u65f6\u5c1d\u8bd5\u4f20\u9012\u5b83\u4eec\u3002\u8fd9\u4e2a\u7279\u6027\u4fdd\u8bc1\u4e86\u901a\u4fe1\u7684\u53ef\u9760\u6027&#xff0c;\u964d\u4f4e\u4e86\u56e0\u95f4\u65ad\u6027\u8fde\u63a5\u800c\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u7684\u98ce\u9669\u3002<\/li>\n<li>\u5927\u89c4\u6a21\u7269\u8054\u7f51\u8bbe\u5907\u652f\u6301&#xff1a;\u7269\u8054\u7f51\u7cfb\u7edf\u5f80\u5f80\u6d89\u53ca\u5927\u91cf\u8bbe\u5907&#xff0c;\u9700\u8981\u4e00\u79cd\u80fd\u591f\u5904\u7406\u5927\u89c4\u6a21\u90e8\u7f72\u7684\u534f\u8bae\u3002MQTT \u7684\u8f7b\u91cf\u7ea7\u7279\u6027\u3001\u4f4e\u5e26\u5bbd\u6d88\u8017\u548c\u5bf9\u8d44\u6e90\u7684\u9ad8\u6548\u5229\u7528\u4f7f\u5176\u6210\u4e3a\u5927\u89c4\u6a21\u7269\u8054\u7f51\u5e94\u7528\u7684\u7406\u60f3\u9009\u62e9\u3002\u901a\u8fc7\u91c7\u7528\u53d1\u5e03-\u8ba2\u9605\u6a21\u5f0f&#xff0c;MQTT \u5b9e\u73b0\u4e86\u53d1\u9001\u8005\u548c\u63a5\u6536\u8005\u7684\u89e3\u8026&#xff0c;\u4ece\u800c\u6709\u6548\u5730\u51cf\u5c11\u4e86\u7f51\u7edc\u6d41\u91cf\u548c\u8d44\u6e90\u4f7f\u7528\u3002\u6b64\u5916&#xff0c;\u534f\u8bae\u5bf9\u4e0d\u540c QoS \u7b49\u7ea7\u7684\u652f\u6301\u4f7f\u5f97\u6d88\u606f\u4f20\u9012\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u8fdb\u884c\u5b9a\u5236&#xff0c;\u786e\u4fdd\u5728\u5404\u79cd\u573a\u666f\u4e0b\u83b7\u5f97\u6700\u4f73\u7684\u6027\u80fd\u8868\u73b0\u3002<\/li>\n<li>\u8bed\u8a00\u652f\u6301&#xff1a;\u7269\u8054\u7f51\u7cfb\u7edf\u5305\u542b\u4f7f\u7528\u5404\u79cd\u7f16\u7a0b\u8bed\u8a00\u5f00\u53d1\u7684\u8bbe\u5907\u548c\u5e94\u7528\u3002MQTT \u5177\u6709\u5e7f\u6cdb\u7684\u8bed\u8a00\u652f\u6301&#xff0c;\u4f7f\u5176\u80fd\u591f\u8f7b\u677e\u4e0e\u591a\u4e2a\u5e73\u53f0\u548c\u6280\u672f\u8fdb\u884c\u96c6\u6210&#xff0c;\u4ece\u800c\u5b9e\u73b0\u4e86\u7269\u8054\u7f51\u751f\u6001\u7cfb\u7edf\u4e2d\u7684\u65e0\u7f1d\u901a\u4fe1\u548c\u4e92\u64cd\u4f5c\u6027\u3002\u60a8\u53ef\u4ee5\u9605\u8bfb\u6211\u4eec\u7684 MQTT \u5ba2\u6237\u7aef\u7f16\u7a0b\u7cfb\u5217\u6587\u7ae0&#xff0c;\u5b66\u4e60\u5982\u4f55\u5728 PHP\u3001Node.js\u3001Python\u3001Golang\u3001Node.js \u7b49\u7f16\u7a0b\u8bed\u8a00\u4e2d\u4f7f\u7528 MQTT\u3002<\/li>\n<\/ul>\n<h3>MQTT \u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n<p>\u8981\u4e86\u89e3 MQTT \u7684\u5de5\u4f5c\u539f\u7406&#xff0c;\u9996\u5148\u9700\u8981\u638c\u63e1\u4ee5\u4e0b\u51e0\u4e2a\u6982\u5ff5&#xff1a;MQTT \u5ba2\u6237\u7aef\u3001MQTT Broker\u3001\u53d1\u5e03-\u8ba2\u9605\u6a21\u5f0f\u3001\u4e3b\u9898\u3001QoS\u3002<\/p>\n<h4>MQTT \u5ba2\u6237\u7aef<\/h4>\n<p>\u4efb\u4f55\u8fd0\u884c MQTT \u5ba2\u6237\u7aef\u5e93\u7684\u5e94\u7528\u6216\u8bbe\u5907\u90fd\u662f MQTT \u5ba2\u6237\u7aef\u3002\u4f8b\u5982&#xff0c;\u4f7f\u7528 MQTT \u7684\u5373\u65f6\u901a\u8baf\u5e94\u7528\u662f\u5ba2\u6237\u7aef&#xff0c;\u4f7f\u7528 MQTT \u4e0a\u62a5\u6570\u636e\u7684\u5404\u79cd\u4f20\u611f\u5668\u662f\u5ba2\u6237\u7aef&#xff0c;\u5404\u79cd MQTT \u6d4b\u8bd5\u5de5\u5177\u4e5f\u662f\u5ba2\u6237\u7aef\u3002<\/p>\n<h4>MQTT Broker<\/h4>\n<p>MQTT Broker \u662f\u8d1f\u8d23\u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u5173\u952e\u7ec4\u4ef6&#xff0c;\u5305\u62ec\u5efa\u7acb\u8fde\u63a5\u3001\u65ad\u5f00\u8fde\u63a5\u3001\u8ba2\u9605\u548c\u53d6\u6d88\u8ba2\u9605\u7b49\u64cd\u4f5c&#xff0c;\u540c\u65f6\u8fd8\u8d1f\u8d23\u6d88\u606f\u7684\u8f6c\u53d1\u3002\u4e00\u4e2a\u9ad8\u6548\u5f3a\u5927\u7684 MQTT Broker \u80fd\u591f\u8f7b\u677e\u5e94\u5bf9\u6d77\u91cf\u8fde\u63a5\u548c\u767e\u4e07\u7ea7\u6d88\u606f\u541e\u5410\u91cf&#xff0c;\u4ece\u800c\u5e2e\u52a9\u7269\u8054\u7f51\u670d\u52a1\u63d0\u4f9b\u5546\u4e13\u6ce8\u4e8e\u4e1a\u52a1\u53d1\u5c55&#xff0c;\u5feb\u901f\u6784\u5efa\u53ef\u9760\u7684 MQTT \u5e94\u7528\u3002<\/p>\n<p>\u5173\u4e8e MQTT Broker \u7684\u66f4\u591a\u8be6\u60c5&#xff0c;\u8bf7\u53c2\u9605\u6587\u7ae0 2023 \u5e74\u6700\u5168\u9762\u7684 MQTT Broker \u6bd4\u8f83\u6307\u5357\u3002<\/p>\n<h4>\u53d1\u5e03-\u8ba2\u9605\u6a21\u5f0f<\/h4>\n<p>\u53d1\u5e03-\u8ba2\u9605\u6a21\u5f0f\u4e0e\u5ba2\u6237\u7aef-\u670d\u52a1\u5668\u6a21\u5f0f\u7684\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e&#xff0c;\u5b83\u5c06\u53d1\u9001\u6d88\u606f\u7684\u5ba2\u6237\u7aef&#xff08;\u53d1\u5e03\u8005&#xff09;\u548c\u63a5\u6536\u6d88\u606f\u7684\u5ba2\u6237\u7aef&#xff08;\u8ba2\u9605\u8005&#xff09;\u8fdb\u884c\u4e86\u89e3\u8026\u3002\u53d1\u5e03\u8005\u548c\u8ba2\u9605\u8005\u4e4b\u95f4\u65e0\u9700\u5efa\u7acb\u76f4\u63a5\u8fde\u63a5&#xff0c;\u800c\u662f\u901a\u8fc7 MQTT Broker \u6765\u8d1f\u8d23\u6d88\u606f\u7684\u8def\u7531\u548c\u5206\u53d1\u3002<\/p>\n<p>\u4e0b\u56fe\u5c55\u793a\u4e86 MQTT \u53d1\u5e03\/\u8ba2\u9605\u8fc7\u7a0b\u3002\u6e29\u5ea6\u4f20\u611f\u5668\u4f5c\u4e3a\u5ba2\u6237\u7aef\u8fde\u63a5\u5230 MQTT Broker&#xff0c;\u5e76\u901a\u8fc7\u53d1\u5e03\u64cd\u4f5c\u5c06\u6e29\u5ea6\u6570\u636e\u53d1\u5e03\u5230\u4e00\u4e2a\u7279\u5b9a\u4e3b\u9898&#xff08;\u4f8b\u5982 Temperature&#xff09;\u3002MQTT Broker \u63a5\u6536\u5230\u8be5\u6d88\u606f\u540e\u4f1a\u8d1f\u8d23\u5c06\u5176\u8f6c\u53d1\u7ed9\u8ba2\u9605\u4e86\u76f8\u5e94\u4e3b\u9898&#xff08;Temperature&#xff09;\u7684\u8ba2\u9605\u8005\u5ba2\u6237\u7aef\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418114701-68023bb5e94af.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h5>\u4e3b\u9898<\/h5>\n<p>MQTT \u534f\u8bae\u6839\u636e\u4e3b\u9898\u6765\u8f6c\u53d1\u6d88\u606f\u3002\u4e3b\u9898\u901a\u8fc7 \/ \u6765\u533a\u5206\u5c42\u7ea7&#xff0c;\u7c7b\u4f3c\u4e8e URL \u8def\u5f84&#xff0c;\u4f8b\u5982&#xff1a;<\/p>\n<p>chat\/room\/1<br \/>\nsensor\/10\/temperature<br \/>\nsensor\/&#043;\/temperature<\/p>\n<p>MQTT \u4e3b\u9898\u652f\u6301\u4ee5\u4e0b\u4e24\u79cd\u901a\u914d\u7b26&#xff1a;&#043; \u548c #\u3002<\/p>\n<ul>\n<li>&#043;&#xff1a;\u8868\u793a\u5355\u5c42\u901a\u914d\u7b26&#xff0c;\u4f8b\u5982 a\/&#043; \u5339\u914d a\/x \u6216 a\/y\u3002<\/li>\n<li>#&#xff1a;\u8868\u793a\u591a\u5c42\u901a\u914d\u7b26&#xff0c;\u4f8b\u5982 a\/# \u5339\u914d a\/x\u3001a\/b\/c\/d\u3002<\/li>\n<\/ul>\n<p>\u6ce8\u610f&#xff1a;\u901a\u914d\u7b26\u4e3b\u9898\u53ea\u80fd\u7528\u4e8e\u8ba2\u9605&#xff0c;\u4e0d\u80fd\u7528\u4e8e\u53d1\u5e03\u3002<\/p>\n<p>\u5173\u4e8e MQTT \u4e3b\u9898\u7684\u66f4\u591a\u8be6\u60c5&#xff0c;\u8bf7\u53c2\u9605\u6587\u7ae0\u901a\u8fc7\u6848\u4f8b\u7406\u89e3 MQTT \u4e3b\u9898\u4e0e\u901a\u914d\u7b26\u3002<\/p>\n<h5>QoS<\/h5>\n<ul>\n<li>MQTT \u63d0\u4f9b\u4e86\u4e09\u79cd\u670d\u52a1\u8d28\u91cf&#xff08;QoS&#xff09;&#xff0c;\u5728\u4e0d\u540c\u7f51\u7edc\u73af\u5883\u4e0b\u4fdd\u8bc1\u6d88\u606f\u7684\u53ef\u9760\u6027\u3002<\/li>\n<li>QoS 0&#xff1a;\u6d88\u606f\u6700\u591a\u4f20\u9001\u4e00\u6b21\u3002\u5982\u679c\u5f53\u524d\u5ba2\u6237\u7aef\u4e0d\u53ef\u7528&#xff0c;\u5b83\u5c06\u4e22\u5931\u8fd9\u6761\u6d88\u606f\u3002<\/li>\n<li>QoS 1&#xff1a;\u6d88\u606f\u81f3\u5c11\u4f20\u9001\u4e00\u6b21\u3002<\/li>\n<li>QoS 2&#xff1a;\u6d88\u606f\u53ea\u4f20\u9001\u4e00\u6b21\u3002 \u5173\u4e8e MQTT QoS \u7684\u66f4\u591a\u8be6\u60c5&#xff0c;\u8bf7\u53c2\u9605\u6587\u7ae0 MQTT QoS 0, 1, 2 \u4ecb\u7ecd\u3002<\/li>\n<\/ul>\n<h3>MQTT \u7684\u5de5\u4f5c\u6d41\u7a0b<\/h3>\n<p>\u5728\u4e86\u89e3\u4e86 MQTT \u7684\u57fa\u672c\u7ec4\u4ef6\u4e4b\u540e&#xff0c;\u8ba9\u6211\u4eec\u6765\u770b\u770b\u5b83\u7684\u4e00\u822c\u5de5\u4f5c\u6d41\u7a0b&#xff1a;<\/p>\n<li>\u5ba2\u6237\u7aef\u4f7f\u7528 TCP\/IP \u534f\u8bae\u4e0e Broker \u5efa\u7acb\u8fde\u63a5&#xff0c;\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528 TLS\/SSL \u52a0\u5bc6\u6765\u5b9e\u73b0\u5b89\u5168\u901a\u4fe1\u3002\u5ba2\u6237\u7aef\u63d0\u4f9b\u8ba4\u8bc1\u4fe1\u606f&#xff0c;\u5e76\u6307\u5b9a\u4f1a\u8bdd\u7c7b\u578b&#xff08;Clean Session \u6216 Persistent Session&#xff09;\u3002<\/li>\n<li>\u5ba2\u6237\u7aef\u65e2\u53ef\u4ee5\u5411\u7279\u5b9a\u4e3b\u9898\u53d1\u5e03\u6d88\u606f&#xff0c;\u4e5f\u53ef\u4ee5\u8ba2\u9605\u4e3b\u9898\u4ee5\u63a5\u6536\u6d88\u606f\u3002\u5f53\u5ba2\u6237\u7aef\u53d1\u5e03\u6d88\u606f\u65f6&#xff0c;\u5b83\u4f1a\u5c06\u6d88\u606f\u53d1\u9001\u7ed9 MQTT Broker&#xff1b;\u800c\u5f53\u5ba2\u6237\u7aef\u8ba2\u9605\u6d88\u606f\u65f6&#xff0c;\u5b83\u4f1a\u63a5\u6536\u4e0e\u8ba2\u9605\u4e3b\u9898\u76f8\u5173\u7684\u6d88\u606f\u3002<\/li>\n<li>MQTT Broker \u63a5\u6536\u53d1\u5e03\u7684\u6d88\u606f&#xff0c;\u5e76\u5c06\u8fd9\u4e9b\u6d88\u606f\u8f6c\u53d1\u7ed9\u8ba2\u9605\u4e86\u5bf9\u5e94\u4e3b\u9898\u7684\u5ba2\u6237\u7aef\u3002\u5b83\u6839\u636e QoS \u7b49\u7ea7\u786e\u4fdd\u6d88\u606f\u53ef\u9760\u4f20\u9012&#xff0c;\u5e76\u6839\u636e\u4f1a\u8bdd\u7c7b\u578b\u4e3a\u65ad\u5f00\u8fde\u63a5\u7684\u5ba2\u6237\u7aef\u5b58\u50a8\u6d88\u606f\u3002<\/li>\n<h3>\u5f00\u59cb\u4f7f\u7528 MQTT&#xff1a;\u5feb\u901f\u6559\u7a0b<\/h3>\n<p>\u4e0b\u9762\u6211\u4eec\u5c06\u901a\u8fc7\u4e00\u4e9b\u7b80\u5355\u7684\u793a\u4f8b\u6765\u5c55\u793a\u5982\u4f55\u4f7f\u7528 MQTT\u3002\u5728\u5f00\u59cb\u4e4b\u524d&#xff0c;\u9700\u8981\u51c6\u5907 MQTT Broker \u548c MQTT \u5ba2\u6237\u7aef\u3002<\/p>\n<h4>\u51c6\u5907 MQTT Broker\u2013EMQX<\/h4>\n<h5>EMQX<\/h5>\n<p>EMQ X (Erlang\/Enterprise\/Elastic MQTT Broker) \u662f\u57fa\u4e8e Erlang\/OTP \u5e73\u53f0\u5f00\u53d1\u7684\u5f00\u6e90\u7269\u8054\u7f51 MQTT \u6d88\u606f\u670d\u52a1\u5668\u3002Erlang\/OTP \u662f\u51fa\u8272\u7684\u8f6f\u5b9e\u65f6(Soft-Realtime)\u3001\u4f4e\u5ef6\u65f6(Low-Latency)\u3001\u5206\u5e03\u5f0f(Distributed) \u7684\u8bed\u8a00\u5e73\u53f0\u3002MQTT \u662f\u8f7b\u91cf\u7684(Lightweight)\u3001\u53d1\u5e03\u8ba2\u9605\u6a21\u5f0f(PubSub) \u7684\u7269\u8054\u7f51\u6d88\u606f\u534f\u8bae\u3002<\/p>\n<h6>\u4e0b\u8f7d\u548c\u5b89\u88c5<\/h6>\n<p>\u6587\u6863&#xff1a;\u4e0b\u8f7dEMQX\u5f00\u6e90\u7248\u672c<\/p>\n<h6>web\u8bbf\u95ee<\/h6>\n<p>http:\/\/localhost:18083 \u6765\u67e5\u770bDashboard&#xff0c;\u9ed8\u8ba4\u7528\u6237\u540d\u662f admin&#xff0c;\u5bc6\u7801\u662f public\u3002<\/p>\n<h6>\u6587\u6863<\/h6>\n<p>EMQX\u6587\u6863<\/p>\n<ul>\n<li>EMQX \u5feb\u901f\u5165\u95e8\u6307\u5357<\/li>\n<li>EMQX Dashboard \u4ecb\u7ecd<\/li>\n<li>\u5982\u4f55\u8fdb\u884c\u8bbf\u95ee\u63a7\u5236<\/li>\n<li>\u5982\u4f55\u4f7f\u7528\u6570\u636e\u96c6\u6210<\/li>\n<li>\u5982\u4f55\u4f7f\u7528\u89c4\u5219\u5f15\u64ce<\/li>\n<li>EMQX \u914d\u7f6e\u6587\u4ef6\u6307\u5357<\/li>\n<li>\u4f7f\u7528 EMQX REST API<\/li>\n<\/ul>\n<h4>\u51c6\u5907 MQTT \u5ba2\u6237\u7aef\u2013MQTTX<\/h4>\n<h5>MQTTX<\/h5>\n<p>MQTTX \u662f EMQ \u5f00\u6e90\u7684\u4e00\u6b3e\u4f18\u96c5\u7684\u8de8\u5e73\u53f0 MQTT 5.0 \u5ba2\u6237\u7aef\u5de5\u5177&#xff0c;\u5b83\u652f\u6301 macOS\u3001Linux \u548c Windows&#xff0c;\u5e76\u4e14\u652f\u6301 MQTT \u6d88\u606f\u683c\u5f0f\u8f6c\u6362\u3002<\/p>\n<p>MQTTX \u7684\u7528\u6237\u754c\u9762\u501f\u52a9\u804a\u5929\u8f6f\u4ef6\u7684\u5f62\u5f0f\u7b80\u5316\u4e86\u9875\u9762\u7684\u64cd\u4f5c\u903b\u8f91&#xff0c;\u7528\u6237\u53ef\u4ee5\u5feb\u901f\u521b\u5efa\u8fde\u63a5\u4fdd\u5b58\u5e76\u540c\u65f6\u5efa\u7acb\u591a\u4e2a\u8fde\u63a5\u5ba2\u6237\u7aef&#xff0c;\u65b9\u4fbf\u7528\u6237\u5feb\u901f\u6d4b\u8bd5 MQTT\/TCP\u3001MQTT\/TLS\u3001\u548c MQTT\/WebSocket \u7684 \u8fde\u63a5\/\u53d1\u5e03\/\u8ba2\u9605 \u529f\u80fd\u53ca\u5176\u4ed6\u7279\u6027\u3002<\/p>\n<h6>windows\u5ba2\u6237\u7aef\u5de5\u5177<\/h6>\n<p>\u4e0b\u8f7d&#xff1a;https:\/\/mqttx.app\/zh \u6587\u6863&#xff1a;https:\/\/mqttx.app\/zh\/docs<\/p>\n<h6>MQTTX CLI<\/h6>\n<p>MQTTX CLI \u662f EMQ \u5f00\u6e90\u7684\u4e00\u6b3e MQTT 5.0 \u547d\u4ee4\u884c\u5ba2\u6237\u7aef\u5de5\u5177&#xff0c;\u4e5f\u662f\u547d\u4ee4\u884c\u4e0a\u7684 MQTTX&#xff0c;\u65e8\u5728\u5e2e\u52a9\u5f00\u53d1\u8005\u5728\u4e0d\u9700\u8981\u4f7f\u7528\u56fe\u5f62\u5316\u754c\u9762\u7684\u57fa\u7840\u4e0a&#xff0c;\u4e5f\u80fd\u66f4\u5feb\u7684\u5f00\u53d1\u548c\u8c03\u8bd5 MQTT \u670d\u52a1\u4e0e\u5e94\u7528\u3002 \u6587\u6863&#xff1a;https:\/\/mqttx.app\/zh\/docs\/cli<\/p>\n<h6>MQTTX Web<\/h6>\n<p>MQTTX Web \u662f\u4e00\u6b3e\u5f00\u6e90\u7684 MQTT 5.0 \u6d4f\u89c8\u5668\u5ba2\u6237\u7aef&#xff0c;\u4e5f\u662f\u4e00\u4e2a\u5728\u7ebf MQTT WebSocket \u5ba2\u6237\u7aef\u5de5\u5177\u3002\u4f7f\u7528 WebSocket \u5728\u6d4f\u89c8\u5668\u4e2d\u8fde\u63a5\u5230 MQTT&#xff0c;\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u5feb\u5730\u5f00\u53d1\u548c\u8c03\u8bd5 MQTT \u670d\u52a1\u548c\u5e94\u7528\u7a0b\u5e8f&#xff0c;\u800c\u4e0d\u5fc5\u5728\u672c\u5730\u4e0b\u8f7d\u548c\u5b89\u88c5 MQTTX\u3002 \u5728\u7ebf\u5730\u5740&#xff1a;https:\/\/mqttx.app\/web-client#\/recent_connections \u6587\u6863&#xff1a;https:\/\/mqttx.app\/zh\/docs\/web<\/p>\n<h4>\u521b\u5efa MQTT \u8fde\u63a5<\/h4>\n<p>\u5177\u4f53\u6587\u6863\u67e5\u770b MQTT \u534f\u8bae\u5165\u95e8&#xff1a;\u57fa\u7840\u77e5\u8bc6\u548c\u5feb\u901f\u6559\u7a0b<\/p>\n<h3>MQTT\u5165\u95e8<\/h3>\n<ul>\n<li>MQTT \u534f\u8bae\u5165\u95e8&#xff1a;\u57fa\u7840\u77e5\u8bc6\u548c\u5feb\u901f\u6559\u7a0b<\/li>\n<li>MQTT \u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f\u4ecb\u7ecd<\/li>\n<li>\u521b\u5efa MQTT \u8fde\u63a5\u65f6\u5982\u4f55\u8bbe\u7f6e\u53c2\u6570&#xff1f;<\/li>\n<li>\u901a\u8fc7\u6848\u4f8b\u7406\u89e3 MQTT \u4e3b\u9898\u4e0e\u901a\u914d\u7b26<\/li>\n<li>MQTT\u4f1a\u8bdd\u8be6\u60c5<\/li>\n<li>MQTT QoS 0, 1, 2 \u4ecb\u7ecd<\/li>\n<\/ul>\n<h3>MQTT\u8fdb\u9636<\/h3>\n<ul>\n<li>\u4fdd\u7559\u6d88\u606f&#xff08;Retained Messages&#xff09;<\/li>\n<li>\u9057\u613f\u6d88\u606f&#xff08;Will Messages&#xff09;<\/li>\n<li>\u8bf7\u6c42\/\u54cd\u5e94&#xff08;Request\/Response&#xff09;<\/li>\n<li>\u7528\u6237\u5c5e\u6027&#xff08;User Properties&#xff09;<\/li>\n<li>\u4e3b\u9898\u522b\u540d&#xff08;Topic Alias&#xff09;<\/li>\n<li>\u8f7d\u8377\u683c\u5f0f\u6307\u793a\u4e0e\u5185\u5bb9\u7c7b\u578b&#xff08;Payload Format Indicator &amp; Content Type&#xff09;<\/li>\n<li>\u5171\u4eab\u8ba2\u9605&#xff08;Shared Subscriptions&#xff09;<\/li>\n<li>\u8ba2\u9605\u9009\u9879&#xff08;Subscription Options&#xff09;<\/li>\n<li>\u8ba2\u9605\u6807\u8bc6\u7b26&#xff08;Subscription Identinfier&#xff09;<\/li>\n<li>\u4fdd\u6301\u8fde\u63a5&#xff08;Keep Alive&#xff09;<\/li>\n<li>\u6d88\u606f\u8fc7\u671f\u95f4\u9694&#xff08;Message Expiry Interval&#xff09;<\/li>\n<li>\u6700\u5927\u62a5\u6587\u5927\u5c0f&#xff08;Maximum Packet Size&#xff09;<\/li>\n<li>\u539f\u56e0\u7801\u4ee5\u901f\u67e5\u8868&#xff08;Reason Code &amp; Quick Reference&#xff09;<\/li>\n<li>\u589e\u5f3a\u8ba4\u8bc1&#xff08;Enhanced Authentication&#xff09;<\/li>\n<li>\u63a7\u5236\u62a5\u6587&#xff08;Control Packets&#xff09;<\/li>\n<\/ul>\n<h3>MQTT\u7f16\u7a0b<\/h3>\n<h4>\u670d\u52a1\u7aef<\/h4>\n<ul>\n<li>\u5982\u4f55\u5728 Python \u4e2d\u4f7f\u7528 MQTT<\/li>\n<li>\u5982\u4f55\u5728 Java \u4e2d\u4f7f\u7528 MQTT<\/li>\n<li>\u5982\u4f55\u5728 Node.js \u9879\u76ee\u4e2d\u4f7f\u7528 MQTT<\/li>\n<li>\u5982\u4f55\u5728 PHP \u9879\u76ee\u4e2d\u4f7f\u7528 MQTT<\/li>\n<li>\u5982\u4f55\u5728 Golang \u4e2d\u4f7f\u7528 MQTT<\/li>\n<li>\u5982\u4f55\u5728 Rust \u4e2d\u4f7f\u7528 MQTT<\/li>\n<li>\u5f00\u53d1\u6307\u5357&#xff1a;\u4f7f\u7528 MQTTNet \u5e93\u6784\u5efa .Net \u7269\u8054\u7f51 MQTT \u5e94\u7528\u7a0b\u5e8f<\/li>\n<li>\u5982\u4f55\u5728 Dart \u4e2d\u4f7f\u7528 MQTT<\/li>\n<\/ul>\n<h4>\u524d\u7aef<\/h4>\n<ul>\n<li>MQTT.js \u5165\u95e8\u6559\u7a0b<\/li>\n<li>\u4f7f\u7528 WebSocket \u8fde\u63a5 MQTT \u670d\u52a1\u5668<\/li>\n<li>\u5982\u4f55\u5728 Vue \u9879\u76ee\u4e2d\u4f7f\u7528 MQTT<\/li>\n<li>\u5982\u4f55\u5728 React \u9879\u76ee\u4e2d\u4f7f\u7528 MQTT<\/li>\n<li>\u5982\u4f55\u5728 Angular \u9879\u76ee\u4e2d\u4f7f\u7528 MQTT<\/li>\n<li>\u5982\u4f55\u5728 Electron \u9879\u76ee\u4e2d\u4f7f\u7528 MQTT<\/li>\n<\/ul>\n<h4>\u79fb\u52a8\u7aef<\/h4>\n<ul>\n<li>\u5982\u4f55\u5728 React Native \u9879\u76ee\u4e2d\u4f7f\u7528 MQTT<\/li>\n<li>CocoaMQTT v2.0&#xff1a;\u9996\u4e2a\u652f\u6301 MQTT 5.0 \u7684 iOS \u5ba2\u6237\u7aef<\/li>\n<li>Android \u4f7f\u7528 Kotlin \u8fde\u63a5 MQTT<\/li>\n<li>\u5728 Flutter \u9879\u76ee\u4e2d\u4f7f\u7528 MQTT<\/li>\n<li>Android MQTT TLS\/SSL \u8ba4\u8bc1<\/li>\n<\/ul>\n<h4>\u786c\u4ef6<\/h4>\n<ul>\n<li>\u5728\u6811\u8393\u6d3e\u4e0a\u4f7f\u7528 MQTT<\/li>\n<li>\u5728\u6811\u8393\u6d3e\u4e2d\u4f7f\u7528 MicroPython \u63a5\u5165 MQTT<\/li>\n<li>ESP32 \u8fde\u63a5\u5230\u514d\u8d39\u7684\u516c\u5171 MQTT \u670d\u52a1\u5668<\/li>\n<li>ESP8266 \u8fde\u63a5\u5230\u514d\u8d39\u7684\u516c\u5171 MQTT \u670d\u52a1\u5668<\/li>\n<li>ESP8266 &#043; MQTT &#xff1a;\u5982\u4f55\u5b9e\u73b0 LED \u706f\u7684\u8fdc\u7a0b\u63a7\u5236<\/li>\n<li>\u901a\u8fc7 NodeMCU (ESP8266) \u5c06\u4f20\u611f\u5668\u6570\u636e\u4e0a\u4f20\u81f3 MQTT \u4e91\u670d\u52a1<\/li>\n<\/ul>\n<h3>MQTT\u672f\u8bed\u8868<\/h3>\n<h4>Broker<\/h4>\n<p>\u6709\u65f6\u6211\u4eec\u4e5f\u4f1a\u76f4\u63a5\u5c06\u670d\u52a1\u7aef\u79f0\u4e3a Broker&#xff0c;\u8fd9\u4e24\u4e2a\u672f\u8bed\u53ef\u4ee5\u4e92\u6362\u4f7f\u7528\u3002<\/p>\n<h4>Clean Start<\/h4>\n<p>\u5ba2\u6237\u7aef\u53ef\u4ee5\u5728\u8fde\u63a5\u65f6\u4f7f\u7528\u8fd9\u4e2a\u5b57\u6bb5\u6765\u6307\u793a\u662f\u671f\u671b\u4ece\u5df2\u5b58\u5728\u7684\u4f1a\u8bdd\u4e2d\u6062\u590d\u901a\u4fe1&#xff0c;\u8fd8\u662f\u521b\u5efa\u4e00\u4e2a\u5168\u65b0\u7684\u4f1a\u8bdd\u3002\u4ec5\u9650 MQTT v5.0\u3002<\/p>\n<h4>Client<\/h4>\n<p>\u4f7f\u7528 MQTT \u534f\u8bae\u8fde\u63a5\u5230\u670d\u52a1\u7aef\u7684\u8bbe\u5907\u6216\u5e94\u7528\u7a0b\u5e8f&#xff0c;\u5e76\u901a\u8fc7\u670d\u52a1\u7aef\u5b8c\u6210\u53d1\u5e03\u8ba2\u9605\u3002<\/p>\n<h4>Client ID<\/h4>\n<p>Client ID \u7528\u4e8e\u552f\u4e00\u6807\u8bc6\u5ba2\u6237\u7aef\u8fde\u63a5\u4e0e\u4f1a\u8bdd&#xff0c;MQTT \u5141\u8bb8\u5ba2\u6237\u7aef\u81ea\u884c\u6307\u5b9a Client ID&#xff0c;\u4e5f\u652f\u6301\u7531\u670d\u52a1\u7aef\u7edf\u4e00\u4e3a\u5ba2\u6237\u7aef\u5206\u914d Client ID\u3002<\/p>\n<h4>Connection<\/h4>\n<p>MQTT \u5ba2\u6237\u7aef\u4e0e MQTT \u670d\u52a1\u7aef\u4e4b\u95f4\u7684\u7f51\u7edc\u8fde\u63a5\u3002MQTT \u5ba2\u6237\u7aef\u4e4b\u95f4\u5e76\u4e0d\u4f1a\u76f4\u63a5\u5efa\u7acb\u8fde\u63a5\u3002<\/p>\n<h4>Content Type<\/h4>\n<p>\u7528\u6765\u63cf\u8ff0\u6d88\u606f\u7684\u5185\u5bb9\u7c7b\u578b&#xff0c;\u65b9\u4fbf\u63a5\u6536\u65b9\u5904\u7406\u3002\u53ef\u4ee5\u4f7f\u7528 MIME \u7c7b\u578b&#xff0c;\u4f8b\u5982 text\/plain&#xff0c;\u4e5f\u53ef\u4ee5\u4f7f\u7528\u81ea\u5b9a\u4e49\u7684\u5b57\u7b26\u4e32\u6765\u63cf\u8ff0\u6d88\u606f\u5185\u5bb9\u3002\u4ec5\u9650 MQTT v5.0\u3002<\/p>\n<h4>Enhanced Authentication<\/h4>\n<p>MQTT v5.0 \u901a\u8fc7\u65b0\u589e\u7684 AUTH \u62a5\u6587\u5b9e\u73b0\u4e86\u5bf9\u589e\u5f3a\u8ba4\u8bc1\u7684\u652f\u6301&#xff0c;\u5728\u539f\u5148\u901a\u8fc7 Username \u548c Password \u63d0\u4f9b\u7684\u5bc6\u7801\u8ba4\u8bc1\u548c Token \u8ba4\u8bc1\u7684\u57fa\u7840\u4e0a\u8fdb\u884c\u4e86\u6269\u5c55\u3002<\/p>\n<p>\u5b83\u66f4\u50cf\u662f\u4e00\u79cd\u8ba4\u8bc1\u6846\u67b6&#xff0c;\u5141\u8bb8\u4f7f\u7528\u5404\u79cd\u66f4\u5b89\u5168\u7684\u8ba4\u8bc1\u673a\u5236&#xff0c;\u4f8b\u5982 SCRAM \u8ba4\u8bc1\u5c31\u652f\u6301\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u4e92\u76f8\u786e\u8ba4\u5bf9\u65b9\u7684\u8eab\u4efd&#xff0c;\u4ee5\u62b5\u5fa1\u4e2d\u95f4\u4eba\u653b\u51fb\u3002<\/p>\n<h4>Flow Control<\/h4>\n<p>MQTT v5.0 \u5f15\u5165\u4e86\u6d41\u63a7\u673a\u5236&#xff0c;\u5141\u8bb8\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u6839\u636e\u81ea\u5df1\u7684\u63a5\u6536\u80fd\u529b\u7ea6\u5b9a\u5bf9\u65b9\u7684\u6700\u5927\u6d88\u606f\u53d1\u9001\u901f\u7387&#xff0c;\u907f\u514d\u4e86\u4e00\u65b9\u53d1\u9001\u8fc7\u5feb&#xff0c;\u5bfc\u81f4\u7f51\u7edc\u62e5\u585e\u548c\u63a5\u6536\u65b9\u8fc7\u8f7d\u7684\u95ee\u9898\u3002<\/p>\n<h4>Keep Alive<\/h4>\n<p>Keep Alive \u8868\u793a\u5ba2\u6237\u7aef\u5728\u4f20\u8f93\u5b8c\u6210\u4e00\u4e2a MQTT \u63a7\u5236\u62a5\u6587\u5230\u53d1\u9001\u4e0b\u4e00\u4e2a\u62a5\u6587&#xff0c;\u4e24\u8005\u4e4b\u95f4\u5141\u8bb8\u7a7a\u95f2\u7684\u6700\u5927\u7684\u65f6\u95f4\u95f4\u9694\u3002<\/p>\n<p>\u5982\u679c\u6ca1\u6709\u5176\u4ed6\u63a7\u5236\u62a5\u6587\u53ef\u4ee5\u53d1\u9001&#xff0c;\u5ba2\u6237\u7aef\u5fc5\u987b\u53d1\u9001\u4e00\u4e2a PINGREQ \u62a5\u6587\u3002<\/p>\n<p>\u5982\u679c\u670d\u52a1\u7aef\u5728 1.5 \u500d\u7684 Keep Alive \u65f6\u95f4\u5185\u6ca1\u6709\u6536\u5230\u4efb\u4f55\u5ba2\u6237\u7aef\u7684\u63a7\u5236\u62a5\u6587&#xff0c;\u5b83\u5c31\u4f1a\u65ad\u5f00\u8fde\u63a5\u3002<\/p>\n<h4>Message<\/h4>\n<p>\u901a\u5e38\u6307 PUBLISH \u62a5\u6587\u3002<\/p>\n<h4>Message Expiry Interval<\/h4>\n<p>MQTT v5.0 \u5141\u8bb8\u5ba2\u6237\u7aef\u4e3a\u6d88\u606f\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4&#xff0c;\u907f\u514d\u5728\u670d\u52a1\u7aef\u4e2d\u505c\u7559\u4e86\u8f83\u957f\u65f6\u95f4\u7684\u6d88\u606f\u4ecd\u7136\u88ab\u8f6c\u53d1\u7ed9\u8ba2\u9605\u7aef\u3002<\/p>\n<h4>MQTT over QUIC<\/h4>\n<p>MQTT over \u2026 \u6307\u7684\u662f MQTT \u8fd0\u884c\u5728\u4ec0\u4e48\u534f\u8bae\u4e4b\u4e0a\u3002\u5e38\u89c1\u7684\u6709 MQTT over TCP\u3001MQTT over TLS \u7b49\u3002<\/p>\n<p>MQTT \u534f\u8bae\u53ea\u8981\u6c42\u57fa\u7840\u4f20\u8f93\u5c42\u80fd\u591f\u63d0\u4f9b\u6709\u5e8f\u3001\u53ef\u9760\u7684\u53cc\u5411\u4f20\u8f93\u5b57\u8282\u6d41&#xff0c;\u5e76\u672a\u5f3a\u5236\u6307\u5b9a\u4f7f\u7528\u67d0\u79cd\u4f20\u8f93\u534f\u8bae\u3002<\/p>\n<p>MQTT over QUIC \u662f EMQX \u5bf9 MQTT \u7684\u4e00\u4e2a\u6269\u5c55\u3002\u76f8\u6bd4\u4e8e TCP&#xff0c;QUIC \u80fd\u591f\u6709\u6548\u51cf\u5c11\u8fde\u63a5\u5f00\u9500\u548c\u5f31\u7f51\u73af\u5883\u4e0b\u7684\u6d88\u606f\u5ef6\u8fdf&#xff0c;\u540c\u65f6\u8fd8\u5177\u5907\u591a\u8def\u590d\u7528\u3001\u8fde\u63a5\u8fc1\u79fb\u3001\u7aef\u5230\u7aef\u52a0\u5bc6\u7b49\u7279\u6027&#xff0c;\u4e3a\u73b0\u4ee3\u79fb\u52a8\u4e92\u8054\u7f51\u63d0\u4f9b\u4e86\u4e00\u4e2a\u66f4\u52a0\u7075\u6d3b\u53ef\u9760\u7684\u4f20\u8f93\u5c42\u3002<\/p>\n<h4>MQTT v3.1.1<\/h4>\n<p>OASIS \u6280\u672f\u59d4\u5458\u4f1a\u4e8e 2014 \u5e74 10 \u6708\u53d1\u5e03\u7684 MQTT \u89c4\u8303\u3002<\/p>\n<h4>MQTT v5.0<\/h4>\n<p>OASIS \u6280\u672f\u59d4\u5458\u4f1a\u4e8e 2019 \u5e74 3 \u6708\u53d1\u5e03\u7684 MQTT \u89c4\u8303&#xff0c;\u4e5f\u662f\u76ee\u524d\u6700\u65b0\u7684 MQTT \u89c4\u8303\u3002MQTT v5.0 \u5728\u5f15\u5165\u5927\u91cf\u65b0\u7279\u6027\u7684\u540c\u65f6&#xff0c;\u4ecd\u7136\u5411\u540e\u517c\u5bb9 v3.1.1\u3002<\/p>\n<h4>Packet<\/h4>\n<p>\u901a\u5e38\u6307 MQTT \u7684\u63a7\u5236\u62a5\u6587\u3002MQTT \u534f\u8bae\u901a\u8fc7\u4ea4\u6362\u9884\u5b9a\u4e49\u7684 MQTT \u63a7\u5236\u62a5\u6587\u6765\u901a\u4fe1\u3002<\/p>\n<p>\u4f8b\u5982\u7528\u4e8e\u8fde\u63a5\u7684 CONNECT\u3001AUTH&#xff08;\u4ec5\u9650 MQTT v5.0&#xff09; \u62a5\u6587&#xff0c;\u7528\u4e8e\u53d1\u5e03\u7684 PUBLISH \u62a5\u6587&#xff0c;\u4ee5\u53ca\u7528\u4e8e\u8ba2\u9605\u7684 SUBSCRIBE \u62a5\u6587\u7b49\u7b49\u3002<\/p>\n<h4>Packet Identifier<\/h4>\n<p>\u62a5\u6587\u6807\u8bc6\u7b26\u7528\u4e8e\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u4e4b\u95f4\u552f\u4e00\u5730\u6807\u8bc6\u4e00\u6761 QoS \u5927\u4e8e 0 \u7684\u6d88\u606f\u6216\u4e00\u4e2a\u8ba2\u9605\/\u53d6\u6d88\u8ba2\u9605\u8bf7\u6c42\u3002<\/p>\n<p>\u62a5\u6587\u6807\u8bc6\u7b26\u7684\u8bbe\u7f6e\u901a\u5e38\u90fd\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u7684\u5185\u90e8\u5b8c\u6210\u3002<\/p>\n<h4>Payload<\/h4>\n<p>MQTT \u62a5\u6587\u4e2d\u7684\u6709\u6548\u8f7d\u8377\u90e8\u5206&#xff0c;\u6839\u636e\u62a5\u6587\u7c7b\u578b&#xff0c;\u6709\u6548\u8f7d\u8377\u7684\u5185\u5bb9\u4f1a\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<p>\u5bf9\u4e8e PUBLISH \u62a5\u6587\u6765\u8bf4&#xff0c;\u6709\u6548\u8f7d\u8377\u5373\u6d88\u606f\u7684\u5b9e\u9645\u5185\u5bb9\u3002\u800c\u5bf9\u4e8e SUBSCRIBE \u62a5\u6587\u6765\u8bf4&#xff0c;\u6709\u6548\u8f7d\u8377\u6307\u7684\u662f\u8ba2\u9605\u5217\u8868\u3002<\/p>\n<p>\u4e0d\u8fc7\u5927\u90e8\u5206\u60c5\u51b5\u4e0b&#xff0c;\u5982\u65e0\u7279\u522b\u8bf4\u660e&#xff0c;Payload \u90fd\u662f\u6307 PUBLISH \u62a5\u6587\u4e2d\u6d88\u606f\u7684\u5b9e\u9645\u5185\u5bb9\u3002<\/p>\n<h4>Payload Format Indicator<\/h4>\n<p>\u7528\u4e8e\u6307\u793a\u6d88\u606f\u5185\u5bb9&#xff08;\u5305\u62ec\u9057\u5631\u6d88\u606f&#xff09;\u662f\u5426\u662f UTF-8 \u7f16\u7801\u7684\u5b57\u7b26\u4e32\u3002\u4ec5\u9650 MQTT v5.0\u3002<\/p>\n<h4>PINGREQ &amp; PINGRESP<\/h4>\n<p>\u5ba2\u6237\u7aef\u9700\u8981\u53ca\u65f6\u53d1\u9001 PINGREQ \u62a5\u6587\u544a\u77e5\u670d\u52a1\u7aef\u81ea\u5df1\u8fd8\u6d3b\u7740\u3002<\/p>\n<p>\u670d\u52a1\u7aef\u4e5f\u9700\u8981\u53ca\u65f6\u54cd\u5e94 PINGRESP \u62a5\u6587\u4ee5\u4fbf\u5ba2\u6237\u7aef\u5224\u65ad\u7f51\u7edc\u548c\u670d\u52a1\u7aef\u7684\u6d3b\u52a8\u72b6\u6001\u3002<\/p>\n<h4>Property<\/h4>\n<p>MQTT \u4e3a\u7edd\u5927\u90e8\u5206\u7684\u63a7\u5236\u62a5\u6587\u4e2d\u90fd\u5b9a\u4e49\u4e86\u4e00\u7ec4\u53ef\u9009\u5c5e\u6027\u3002\u4e0d\u540c\u7c7b\u578b\u7684\u63a7\u5236\u62a5\u6587\u6709\u4e0d\u540c\u7684\u53ef\u9009\u5c5e\u6027\u3002<\/p>\n<p>\u4f8b\u5982 Session Expiry Interval \u662f CONNECT \u62a5\u6587\u7684\u4e00\u4e2a\u53ef\u9009\u5c5e\u6027&#xff0c;Topic Alias \u5219\u662f PUBLISH \u62a5\u6587\u7684\u4e00\u4e2a\u53ef\u9009\u5c5e\u6027\u3002<\/p>\n<h4>Publish\/Subscribe<\/h4>\n<p>\u53d1\u5e03\u8ba2\u9605\u673a\u5236\u662f MQTT \u534f\u8bae\u7684\u6838\u5fc3\u3002\u5b83\u89e3\u8026\u4e86\u6d88\u606f\u7684\u53d1\u9001\u65b9&#xff08;\u53d1\u5e03\u8005&#xff09;\u548c\u63a5\u6536\u65b9&#xff08;\u8ba2\u9605\u8005&#xff09;&#xff0c;\u5f15\u5165\u4e86\u4e00\u4e2a\u4e2d\u95f4\u4ee3\u7406\u7684\u89d2\u8272\u6765\u5b8c\u6210\u6d88\u606f\u7684\u8def\u7531\u548c\u5206\u53d1\u3002<\/p>\n<p>\u53d1\u5e03\u8005\u548c\u8ba2\u9605\u8005\u4e0d\u9700\u8981\u77e5\u9053\u5f7c\u6b64\u7684\u5b58\u5728&#xff0c;\u4ed6\u4eec\u4e4b\u95f4\u552f\u4e00\u7684\u8054\u7cfb\u5c31\u662f\u5bf9\u6d88\u606f\u7684\u4e00\u81f4\u7ea6\u5b9a&#xff0c;\u4f8b\u5982\u6d88\u606f\u5c06\u4f7f\u7528\u4ec0\u4e48\u4e3b\u9898\u3001\u6d88\u606f\u5c06\u5305\u542b\u54ea\u4e9b\u5b57\u6bb5\u7b49\u7b49\u3002<\/p>\n<p>\u901a\u8fc7\u53d1\u5e03\u8ba2\u9605\u673a\u5236&#xff0c;\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u6d88\u606f\u7684\u5e7f\u64ad\u3001\u7ec4\u64ad\u548c\u5355\u64ad\u3002<\/p>\n<h4>QoS<\/h4>\n<p>MQTT \u5b9a\u4e49\u4e86\u4e09\u79cd QoS \u7b49\u7ea7&#xff0c;\u6765\u5206\u522b\u63d0\u4f9b\u4e0d\u540c\u7684\u6d88\u606f\u53ef\u9760\u6027\u4fdd\u8bc1\u3002\u6bcf\u6761\u6d88\u606f\u90fd\u53ef\u4ee5\u5728\u53d1\u5e03\u65f6\u72ec\u7acb\u8bbe\u7f6e\u81ea\u5df1\u7684 QoS\u3002<\/p>\n<ul>\n<li>QoS 0&#xff1a;\u6700\u591a\u4ea4\u4ed8\u4e00\u6b21&#xff0c;\u6d88\u606f\u53ef\u80fd\u4e22\u5931\u3002<\/li>\n<li>QoS 1&#xff1a;\u81f3\u5c11\u4ea4\u4ed8\u4e00\u6b21&#xff0c;\u6d88\u606f\u53ef\u4ee5\u4fdd\u8bc1\u5230\u8fbe&#xff0c;\u4f46\u662f\u53ef\u80fd\u91cd\u590d\u5230\u8fbe\u3002<\/li>\n<li>QoS 2&#xff1a;\u53ea\u4ea4\u4ed8\u4e00\u6b21&#xff0c;\u6d88\u606f\u4fdd\u8bc1\u5230\u8fbe&#xff0c;\u5e76\u4e14\u4e0d\u4f1a\u91cd\u590d\u3002<\/li>\n<\/ul>\n<h4>Reason Code<\/h4>\n<p>MQTT \u901a\u8fc7 CONNACK \u7b49\u54cd\u5e94\u62a5\u6587\u4e2d\u7684 Reason Code \u5b57\u6bb5\u6765\u6307\u793a\u64cd\u4f5c\u7ed3\u679c\u3002<\/p>\n<p>MQTT v5.0 \u6269\u5c55\u4e86 Reason Code \u4ee5\u4fbf\u53cd\u6620\u66f4\u51c6\u786e\u7684\u7ed3\u679c&#xff0c;\u5e76\u4e14\u4ee4\u6240\u6709\u54cd\u5e94\u62a5\u6587\u90fd\u652f\u6301\u4e86 Reason Code\u3002<\/p>\n<h4>Reason String<\/h4>\n<p>Reason Code \u901a\u5e38\u662f\u673a\u5668\u6613\u8bfb\u7684&#xff0c;\u6240\u4ee5 MQTT \u8fd8\u63d0\u4f9b\u4e86 Reason String \u6765\u627f\u8f7d\u4eba\u7c7b\u53ef\u8bfb\u7684\u5185\u5bb9&#xff0c;\u5728 Reason Code \u7684\u57fa\u7840\u4e0a\u8fdb\u4e00\u6b65\u6307\u793a\u7ed3\u679c\u3002\u4ec5\u9650 MQTT v5.0\u3002<\/p>\n<h4>Receive Maximum<\/h4>\n<p>\u7528\u4e8e\u58f0\u660e\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u613f\u610f\u540c\u65f6\u5904\u7406\u7684 QoS 1 \u548c QoS 2 \u7684\u6d88\u606f\u7684\u6700\u5927\u6570\u91cf&#xff0c;\u5bf9\u7aef\u5728\u53d1\u9001\u6d88\u606f\u65f6\u9700\u8981\u9075\u5b88\u8fd9\u4e2a\u9650\u5236\u3002\u4ec5\u9650 MQTT v5.0\u3002<\/p>\n<h4>Request &amp; Response<\/h4>\n<p>MQTT \u7684\u53d1\u5e03\u8ba2\u9605\u673a\u5236\u4f7f\u5f97\u53d1\u5e03\u7aef\u6700\u591a\u53ea\u80fd\u786e\u4fdd\u6d88\u606f\u5230\u8fbe\u4e86\u670d\u52a1\u7aef&#xff0c;\u4f46\u4e0d\u80fd\u786e\u4fdd\u6d88\u606f\u5230\u8fbe\u4e86\u8ba2\u9605\u7aef&#xff0c;\u6211\u4eec\u5fc5\u987b\u501f\u52a9\u989d\u5916\u7684\u8bf7\u6c42\u54cd\u5e94\u673a\u5236\u3002<\/p>\n<p>MQTT v5.0 \u6539\u5584\u4e86\u5bf9\u8bf7\u6c42\u54cd\u5e94\u7684\u652f\u6301&#xff0c;\u8bf7\u6c42\u65b9\u53ef\u4ee5\u5728\u8bf7\u6c42\u4e2d\u76f4\u63a5\u6307\u5b9a\u54cd\u5e94\u4e3b\u9898&#xff0c;\u8fd9\u6837\u8bf7\u6c42\u65b9\u548c\u54cd\u5e94\u65b9\u65e0\u9700\u518d\u63d0\u524d\u7ea6\u5b9a\u4e3b\u9898\u3002\u540c\u65f6&#xff0c;\u4ed6\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7\u5bf9\u6bd4\u6570\u636e\u6765\u786e\u4fdd\u8bf7\u6c42\u548c\u54cd\u5e94\u7684\u6b63\u786e\u5339\u914d\u3002<\/p>\n<h4>Retained Message<\/h4>\n<p>\u4fdd\u7559\u6d88\u606f\u9664\u4e86\u4e0e\u6b63\u5e38\u6d88\u606f\u4e00\u6837\u88ab\u8f6c\u53d1\u4ee5\u5916&#xff0c;\u8fd8\u4f1a\u4fdd\u7559\u5728 MQTT \u670d\u52a1\u7aef\u4e2d\u3002<\/p>\n<p>\u5f53\u4e00\u4e2a\u65b0\u7684\u8ba2\u9605\u88ab\u521b\u5efa&#xff0c;\u5982\u679c\u670d\u52a1\u7aef\u4e2d\u5b58\u5728\u4e0e\u8be5\u8ba2\u9605\u5339\u914d\u7684\u4fdd\u7559\u6d88\u606f&#xff0c;\u90a3\u4e48\u8fd9\u4e9b\u4fdd\u7559\u6d88\u606f\u5c31\u4f1a\u88ab\u53d1\u9001\u7ed9\u8ba2\u9605\u8005\u3002<\/p>\n<p>\u670d\u52a1\u7aef\u53ea\u80fd\u4e3a\u6bcf\u4e2a\u4e3b\u9898\u5b58\u50a8\u4e00\u6761\u6700\u65b0\u7684\u4fdd\u7559\u6d88\u606f\u3002<\/p>\n<h4>Security<\/h4>\n<p>MQTT \u652f\u6301\u591a\u79cd\u5b89\u5168\u673a\u5236&#xff0c;\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e&#xff1a;\u652f\u6301\u5728\u4f20\u8f93\u5c42\u4f7f\u7528 TLS \u6765\u63d0\u4f9b\u7aef\u5230\u7aef\u7684\u5b89\u5168\u8fde\u63a5&#xff0c;\u4fdd\u62a4\u6d88\u606f\u514d\u53d7\u7a83\u542c\u3001\u7be1\u6539\u6216\u4f2a\u9020&#xff1b;\u5728 MQTT \u534f\u8bae\u5c42\u9762\u652f\u6301\u5bf9\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u7684\u8eab\u4efd\u9a8c\u8bc1&#xff0c;\u4ee5\u53ca\u5bf9\u5ba2\u6237\u7aef\u7684\u6388\u6743\u68c0\u67e5&#xff0c;\u4ee5\u786e\u4fdd\u53ea\u6709\u6388\u6743\u7528\u6237\u624d\u80fd\u8bbf\u95ee\u7279\u5b9a\u7684\u4e3b\u9898\u3002<\/p>\n<h4>Server<\/h4>\n<p>\u5728\u53d1\u5e03\u6d88\u606f\u7684\u5ba2\u6237\u7aef\u548c\u8ba2\u9605\u7684\u5ba2\u6237\u7aef\u4e4b\u95f4\u5145\u5f53\u4e2d\u4ecb\u7684\u8bbe\u5907\u6216\u5e94\u7528\u7a0b\u5e8f&#xff0c;\u5b83\u7684\u9996\u8981\u804c\u8d23\u662f\u5c06\u6240\u6709\u63a5\u6536\u5230\u7684\u6d88\u606f\u8f6c\u53d1\u7ed9\u5339\u914d\u7684\u8ba2\u9605\u5ba2\u6237\u7aef\u3002<\/p>\n<h4>Server Disconnect<\/h4>\n<p>MQTT v5.0 \u5141\u8bb8\u670d\u52a1\u7aef\u53d1\u51fa DISCONNECT \u62a5\u6587&#xff0c;\u4ee5\u4fbf\u5411\u5ba2\u6237\u7aef\u6307\u793a\u8fde\u63a5\u88ab\u5173\u95ed\u7684\u5177\u4f53\u539f\u56e0\u3002<\/p>\n<h4>Server Reference<\/h4>\n<p>MQTT v5.0 \u5141\u8bb8\u670d\u52a1\u7aef\u901a\u8fc7 CONNACK \u6216\u8005 DISCONNECT \u62a5\u6587\u4e2d\u7684\u670d\u52a1\u7aef\u53c2\u8003\u5c5e\u6027\u6307\u793a\u5ba2\u6237\u7aef\u4e34\u65f6\u6216\u6c38\u4e45\u5207\u6362\u81f3\u53e6\u4e00\u53f0\u670d\u52a1\u7aef\u3002<\/p>\n<h4>Session<\/h4>\n<p>MQTT \u7684\u4f1a\u8bdd\u673a\u5236\u786e\u4fdd\u4e86 QoS 1\u30012 \u6d88\u606f\u7684\u534f\u8bae\u6d41\u7a0b\u5f97\u4ee5\u5b9e\u73b0\u3002<\/p>\n<p>\u4f1a\u8bdd\u662f\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u7aef\u4e4b\u95f4\u7684\u6709\u72b6\u6001\u4ea4\u4e92&#xff0c;\u5b58\u50a8\u4e86 QoS 1\u30012 \u6d88\u606f\u7684\u4f20\u8f93\u72b6\u6001\u4ee5\u53ca\u8ba2\u9605\u4fe1\u606f\u7b49\u72b6\u6001\u4fe1\u606f\u3002<\/p>\n<p>\u5b83\u53ef\u4ee5\u4ec5\u6301\u7eed\u548c\u7f51\u7edc\u8fde\u63a5\u4e00\u6837\u957f\u7684\u65f6\u95f4&#xff0c;\u4e5f\u53ef\u4ee5\u8de8\u8d8a\u591a\u4e2a\u7f51\u7edc\u8fde\u63a5\u5b58\u5728\u3002\u6211\u4eec\u901a\u5e38\u5c06\u540e\u8005\u79f0\u4e3a\u6301\u4e45\u4f1a\u8bdd\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u9009\u62e9\u8ba9\u8fde\u63a5\u4ece\u5df2\u5b58\u5728\u7684\u4f1a\u8bdd\u4e2d\u6062\u590d&#xff0c;\u4e5f\u53ef\u4ee5\u9009\u62e9\u4ece\u4e00\u4e2a\u5168\u65b0\u7684\u4f1a\u8bdd\u5f00\u59cb\u3002<\/p>\n<h4>Session Expiry Interval<\/h4>\n<p>\u4f1a\u8bdd\u8fc7\u671f\u65f6\u95f4\u3002\u8868\u793a\u5ba2\u6237\u7aef\u8fde\u63a5\u65ad\u5f00\u540e\u4f1a\u8bdd\u80fd\u591f\u5728\u670d\u52a1\u7aef\u4e2d\u4fdd\u7559\u591a\u4e45&#xff0c;\u4ec5\u9650 MQTT v5.0\u3002<\/p>\n<h4>Session Present<\/h4>\n<p>\u670d\u52a1\u7aef\u901a\u8fc7\u8fd9\u4e2a\u5b57\u6bb5\u544a\u77e5\u5ba2\u6237\u7aef\u672c\u6b21\u8fde\u63a5\u662f\u4e4b\u524d\u4f1a\u8bdd\u7684\u5ef6\u7eed\u8fd8\u662f\u4e00\u4e2a\u5168\u65b0\u7684\u4f1a\u8bdd&#xff0c;\u4ee5\u4fbf\u5ba2\u6237\u7aef\u505a\u51fa\u76f8\u5e94\u7684\u8c03\u6574\u3002<\/p>\n<h4>Shared Subscription<\/h4>\n<p>MQTT v5.0 \u5141\u8bb8\u5c06\u5ba2\u6237\u7aef\u5212\u5206\u4e3a\u591a\u4e2a\u8ba2\u9605\u7ec4&#xff0c;\u6d88\u606f\u4ecd\u7136\u4f1a\u88ab\u8f6c\u53d1\u7ed9\u6240\u6709\u8ba2\u9605\u7ec4&#xff0c;\u4f46\u4e00\u4e2a\u8ba2\u9605\u7ec4\u5185\u7684\u5ba2\u6237\u7aef\u5c06\u4ee5\u968f\u673a\u3001\u8f6e\u8be2\u7b49\u7b56\u7565\u4ea4\u66ff\u63a5\u6536\u6d88\u606f\u3002<\/p>\n<p>\u8fd9\u4f7f\u5f97\u8ba2\u9605\u8005\u80fd\u591f\u4ee5\u8d1f\u8f7d\u5747\u8861\u7684\u65b9\u5f0f\u6765\u6d88\u8d39\u6d88\u606f\u3002<\/p>\n<p>\u4e00\u4e9b MQTT Server \u4f8b\u5982 EMQX \u5728\u534f\u8bae\u4e4b\u5916\u4e3a\u975e MQTT v5.0 \u7684\u8bbe\u5907\u63d0\u4f9b\u4e86\u5171\u4eab\u8ba2\u9605\u7684\u652f\u6301\u3002<\/p>\n<h4>Subscription Identifier<\/h4>\n<p>\u5ba2\u6237\u7aef\u53ef\u4ee5\u5728\u8ba2\u9605\u65f6\u6307\u5b9a\u8ba2\u9605\u6807\u8bc6\u7b26&#xff0c;\u670d\u52a1\u7aef\u5728\u8f6c\u53d1\u4e0e\u8fd9\u4e9b\u8ba2\u9605\u5339\u914d\u7684\u6d88\u606f\u65f6\u9700\u8981\u9644\u4e0a\u4e0e\u4e4b\u5173\u8054\u7684\u8ba2\u9605\u6807\u8bc6\u7b26\u3002<\/p>\n<p>\u5728\u7279\u5b9a\u7684\u4f7f\u7528\u573a\u666f\u4e0b&#xff0c;\u8ba2\u9605\u6807\u8bc6\u7b26\u53ef\u4ee5\u5e2e\u52a9\u51cf\u5c11\u9700\u8981\u4f20\u8f93\u7684\u6570\u636e\u91cf&#xff0c;\u6216\u8005\u5e2e\u52a9\u5ba2\u6237\u7aef\u786e\u5b9a\u4e3a\u6d88\u606f\u89e6\u53d1\u54ea\u4e2a\u56de\u8c03\u3002<\/p>\n<h4>Subscription Options<\/h4>\n<p>MQTT \u5141\u8bb8\u5ba2\u6237\u7aef\u4e3a\u81ea\u5df1\u6bcf\u4e2a\u8ba2\u9605\u4f7f\u7528\u4e0d\u540c\u7684\u8ba2\u9605\u9009\u9879&#xff0c;\u4f8b\u5982\u8ba2\u9605\u5efa\u7acb\u65f6\u662f\u5426\u9700\u8981\u63a5\u6536\u4fdd\u7559\u6d88\u606f&#xff0c;\u670d\u52a1\u7aef\u53ef\u4ee5\u5411\u81ea\u5df1\u53d1\u9001\u7684\u6d88\u606f\u7684\u6700\u5927 QoS \u7b49\u7b49\u3002<\/p>\n<p>MQTT v3.1.1 \u4ec5\u652f\u6301\u8bbe\u7f6e\u6700\u5927 QoS\u3002<\/p>\n<h4>Topic<\/h4>\n<p>\u4e3b\u9898\u88ab\u7528\u6765\u6807\u8bc6\u548c\u533a\u5206\u4e0d\u540c\u7684\u6d88\u606f&#xff0c;\u5b83\u662f MQTT \u6d88\u606f\u8def\u7531\u7684\u57fa\u7840\u3002\u53d1\u5e03\u8005\u53ef\u4ee5\u5728\u53d1\u5e03\u65f6\u6307\u5b9a\u6d88\u606f\u7684\u4e3b\u9898&#xff0c;\u8ba2\u9605\u8005\u5219\u53ef\u4ee5\u9009\u62e9\u8ba2\u9605\u81ea\u5df1\u611f\u5174\u8da3\u7684\u4e3b\u9898\u6765\u63a5\u6536\u76f8\u5173\u7684\u6d88\u606f\u3002<\/p>\n<h4>Topic Alias<\/h4>\n<p>MQTT v5.0 \u5141\u8bb8\u53d1\u9001\u7aef\u5c06\u4e3b\u9898\u540d\u6620\u5c04\u6210\u7531\u4e00\u4e2a\u53cc\u5b57\u8282\u6574\u6570\u8868\u793a\u7684\u522b\u540d&#xff0c;\u7136\u540e\u5728\u6d88\u606f\u4f20\u8f93\u65f6\u7528\u522b\u540d\u66ff\u6362\u539f\u672c\u7684\u4e3b\u9898\u540d&#xff0c;\u4ee5\u6b64\u964d\u4f4e\u5e26\u5bbd\u6d88\u8017\u3002<\/p>\n<h4>Topic Filter<\/h4>\n<p>\u4e3b\u9898\u8fc7\u6ee4\u5668\u5728\u8ba2\u9605\u65f6\u4f7f\u7528&#xff0c;\u53ef\u4ee5\u5305\u542b\u4e3b\u9898\u901a\u914d\u7b26\u6765\u540c\u65f6\u8ba2\u9605\u591a\u4e2a\u4e3b\u9898\u3002<\/p>\n<h4>Topic Name<\/h4>\n<p>\u4e3b\u9898\u540d\u5728\u53d1\u5e03\u6d88\u606f\u65f6\u4f7f\u7528&#xff0c;\u4e0d\u5141\u8bb8\u4f7f\u7528\u4e3b\u9898\u901a\u914d\u7b26\u3002<\/p>\n<h4>Topic Wildcards<\/h4>\n<p>MQTT \u63d0\u4f9b\u4e86\u4e24\u79cd\u4e3b\u9898\u901a\u914d\u7b26&#xff0c;\u5206\u522b\u662f &#043; \u8868\u793a\u7684\u5355\u5c42\u901a\u914d\u7b26\u548c # \u8868\u793a\u7684\u591a\u5c42\u901a\u914d\u7b26\u3002\u901a\u914d\u7b26\u53ea\u80fd\u5728\u4e3b\u9898\u8fc7\u6ee4\u5668\u4e2d\u4f7f\u7528\u3002<\/p>\n<h4>Username &amp; Password<\/h4>\n<p>MQTT \u5728\u8fde\u63a5\u62a5\u6587\u4e2d\u63d0\u4f9b\u4e86\u53ef\u9009\u7684 Username \u548c Password \u5b57\u6bb5&#xff0c;\u4ee5\u5b9e\u73b0\u5bf9\u5bc6\u7801\u8ba4\u8bc1\u548c Token \u8ba4\u8bc1\u7684\u652f\u6301\u3002<\/p>\n<h4>User Property<\/h4>\n<p>MQTT v5.0 \u5141\u8bb8\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u5c06\u81ea\u5b9a\u4e49\u7684\u3001\u4e0d\u9650\u6570\u91cf\u7684\u5b57\u7b26\u4e32\u952e\u503c\u5bf9\u4f5c\u4e3a\u5143\u6570\u636e\u6dfb\u52a0\u5230\u9664 PING \u62a5\u6587\u4ee5\u5916\u7684\u6240\u6709\u63a7\u5236\u62a5\u6587\u5f53\u4e2d&#xff0c;\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u53ef\u6269\u5c55\u6027\u3002<\/p>\n<p>\u7528\u6237\u5c5e\u6027\u53ef\u4ee5\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u4e4b\u95f4\u4f20\u9012&#xff0c;\u4e5f\u53ef\u4ee5\u5728\u5ba2\u6237\u7aef\u548c\u5ba2\u6237\u7aef\u4e4b\u95f4\u4f20\u9012&#xff0c;\u8fd9\u4e3b\u8981\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u63a7\u5236\u62a5\u6587\u7c7b\u578b\u3002<\/p>\n<h4>Will Delay Interval<\/h4>\n<p>\u7528\u4e8e\u6307\u793a\u9057\u5631\u6d88\u606f\u53ef\u4ee5\u5728\u8fde\u63a5\u65ad\u5f00\u540e\u5ef6\u8fdf\u591a\u4e45\u53d1\u51fa&#xff0c;\u4ec5\u9650 MQTT v5.0\u3002<\/p>\n<h4>Will Message<\/h4>\n<p>\u5982\u679c\u5ba2\u6237\u7aef\u4e0d\u6b63\u5e38\u5730\u65ad\u5f00\u8fde\u63a5&#xff0c;\u90a3\u4e48\u8be5\u5ba2\u6237\u7aef\u5728\u8fde\u63a5\u65f6\u8bbe\u7f6e\u7684\u9057\u5631\u6d88\u606f\u5c31\u4f1a\u88ab\u670d\u52a1\u7aef\u8f6c\u53d1\u7ed9\u5176\u4ed6\u7684\u5ba2\u6237\u7aef\u3002<\/p>\n<p>\u9057\u5631\u6d88\u606f\u548c\u666e\u901a\u6d88\u606f\u4e00\u6837\u5177\u6709\u4e3b\u9898\u3001QoS\u3001Payload\u3001\u4fdd\u7559\u6d88\u606f\u6807\u8bc6\u4f4d\u7b49\u5b57\u6bb5\u3002<\/p>\n<h4>$ Topic<\/h4>\n<p>\u4ee5 $ \u5f00\u5934\u7684\u4e3b\u9898\u5fc5\u987b\u7531\u670d\u52a1\u7aef\u6765\u51b3\u5b9a\u5176\u4f7f\u7528\u65b9\u5f0f\u548c\u573a\u666f&#xff0c;\u5ba2\u6237\u7aef\u4e0d\u80fd\u4ec5\u51fa\u4e8e\u81ea\u5df1\u7684\u76ee\u7684\u6765\u968f\u610f\u4f7f\u7528\u8fd9\u7c7b\u4e3b\u9898\u3002<\/p>\n<p>\u4f8b\u5982 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         s <\/p>\n<p>         h <\/p>\n<p>         a <\/p>\n<p>         r <\/p>\n<p>         e <\/p>\n<p>         \u5f00\u5934\u7684\u4e3b\u9898\u7528\u4e8e\u5171\u4eab\u8ba2\u9605&#xff0c; <\/p>\n<p>        share \u5f00\u5934\u7684\u4e3b\u9898\u7528\u4e8e\u5171\u4eab\u8ba2\u9605&#xff0c; <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6944em\"><\/span><span class=\"mord mathnormal\">s<\/span><span class=\"mord mathnormal\">ha<\/span><span class=\"mord mathnormal\">re<\/span><span class=\"mord cjk_fallback\">\u5f00\u5934\u7684\u4e3b\u9898\u7528\u4e8e\u5171\u4eab\u8ba2\u9605&#xff0c;<\/span><\/span><\/span><\/span><\/span>SYS \u5f00\u5934\u7684\u4e3b\u9898\u901a\u5e38\u88ab\u670d\u52a1\u7aef\u7528\u4e8e\u53d1\u5e03\u7cfb\u7edf\u6d88\u606f\u3002<\/p>\n<p>EMQX \u8fd8\u5b9a\u4e49\u4e86 $delay \u524d\u7f00\u7528\u4e8e\u5b9e\u73b0\u6d88\u606f\u7684\u5ef6\u8fdf\u53d1\u5e03\u3002<\/p>\n<h3>MQTT FAQs<\/h3>\n<h4>\u4ec0\u4e48\u662f MQTT&#xff1f;<\/h4>\n<p>MQTT \u662f\u7528\u4e8e\u7269\u8054\u7f51\u8fde\u63a5\u7684 OASIS \u6807\u51c6&#xff0c;\u5b83\u662f\u4e00\u79cd\u57fa\u4e8e\u53d1\u5e03\u8ba2\u9605\u6a21\u5f0f\u7684\u3001\u8f7b\u91cf\u7ea7\u7684\u6d88\u606f\u4f20\u8f93\u534f\u8bae&#xff0c;\u4e13\u4e3a\u53d7\u9650\u8bbe\u5907\u548c\u4f4e\u5e26\u5bbd\u3001\u9ad8\u5ef6\u8fdf\u548c\u4e0d\u53ef\u9760\u7684\u7f51\u7edc\u8bbe\u8ba1&#xff0c;\u5e76\u4e14\u80fd\u591f\u63d0\u4f9b\u4e00\u5b9a\u7684\u6d88\u606f\u53ef\u9760\u6027\u4fdd\u8bc1\u3002\u5f97\u76ca\u4e8e\u8fd9\u4e9b\u7279\u6027&#xff0c;MQTT \u5728\u8f66\u8054\u7f51\u3001\u5de5\u4e1a\u5236\u9020\u3001\u79fb\u52a8\u901a\u4fe1\u7b49\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n<p>\u76ee\u524d MQTT \u7684\u4e3b\u8981\u7248\u672c\u6709 v3.1.1 \u548c v5.0&#xff0c;v5.0 \u4e8e 2019 \u5e74 3 \u6708\u53d1\u5e03&#xff0c;\u76f8\u6bd4\u4e8e v3.1.1 \u5f15\u5165\u4e86\u5f88\u591a\u6539\u8fdb\u548c\u589e\u5f3a&#xff0c;\u76ee\u524d\u5e02\u9762\u4e0a\u7edd\u5927\u90e8\u5206\u7684\u5ba2\u6237\u7aef \u548c\u4ee3\u7406\u90fd\u5df2\u7ecf\u652f\u6301\u4e86 MQTT v5.0\u3002<\/p>\n<h4>\u4ec0\u4e48\u662f MQTT Broker&#xff1f;<\/h4>\n<p>\u57fa\u4e8e\u53d1\u5e03\u8ba2\u9605\u6a21\u5f0f\u7684 MQTT \u89e3\u8026\u4e86\u6d88\u606f\u7684\u53d1\u9001\u65b9\u548c\u63a5\u6536\u65b9&#xff0c;\u5e76\u4e14\u5f15\u5165\u4e86 Broker \u8fd9\u4e2a\u4e2d\u95f4\u89d2\u8272\u3002Broker \u662f MQTT \u5ba2\u6237\u7aef\u4e4b\u95f4\u6d88\u606f\u4f20\u8f93\u7684\u6865\u6881&#xff0c;\u5b83\u7684\u4e3b\u8981\u804c\u8d23\u662f\u4ece\u5ba2\u6237\u7aef\u63a5\u6536\u6d88\u606f\u5e76\u6839\u636e\u6d88\u606f\u7684\u4e3b\u9898\u5c06\u5b83\u4eec\u8def\u7531\u5230\u9002\u5f53\u7684\u8ba2\u9605\u8005\u3002<\/p>\n<h4>\u4ec0\u4e48\u662f EMQX&#xff1f;<\/h4>\n<p>EMQX \u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u3001\u4e91\u539f\u751f\u7684\u5206\u5e03\u5f0f\u7269\u8054\u7f51 MQTT \u6d88\u606f\u670d\u52a1\u5668&#xff0c;\u80fd\u591f\u8f7b\u677e\u652f\u6301\u6570\u767e\u4e07\u4e2a\u5e76\u53d1\u8fde\u63a5&#xff0c;\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7\u96c6\u7fa4\u90e8\u7f72\u6269\u5c55\u81f3 1 \u4ebf\u5e76\u53d1\u8fde\u63a5\u3002\u5728\u5904\u7406\u6bcf\u79d2\u767e\u4e07\u7ea7\u7684\u6d88\u606f\u541e\u5410\u7684\u540c\u65f6&#xff0c;EMQX \u8fd8\u80fd\u4fdd\u8bc1\u8d85\u4f4e\u7684\u6d88\u606f\u65f6\u5ef6\u3002<\/p>\n<p>EMQX \u63d0\u4f9b\u4e86 SSL\/TLS\u3001\u5bc6\u7801\u8ba4\u8bc1\u3001\u589e\u5f3a\u8ba4\u8bc1\u3001ACL \u7b49\u591a\u79cd\u5b89\u5168\u673a\u5236\u6765\u4fdd\u969c\u6570\u636e\u5b89\u5168&#xff0c;\u63d0\u4f9b\u4e86\u57fa\u4e8e SQL \u7684\u3001\u80fd\u591f\u5b9e\u65f6\u8fc7\u6ee4\u3001\u8f6c\u6362\u4e0e\u5904\u7406\u6d88\u606f\u7684\u89c4\u5219\u5f15\u64ce&#xff0c;\u4ee5\u53ca\u5f3a\u5927\u7684\u7ba1\u7406\u76d1\u63a7\u529f\u80fd\u3002EMQX \u6700\u65b0\u7684 5.0 \u7248\u672c\u8fd8\u63d0\u4f9b\u4e86\u5168\u7403\u9996\u4e2a MQTT over QUIC \u7684\u5b9e\u73b0&#xff0c;\u53ef\u4ee5\u6709\u6548\u51cf\u5c11\u8fde\u63a5\u5f00\u9500\u548c\u5f31\u7f51\u73af\u5883\u4e0b\u7684\u6d88\u606f\u5ef6\u8fdf&#xff0c;\u5e76\u5177\u5907\u591a\u8def\u590d\u7528\u3001\u8fde\u63a5\u8fc1\u79fb\u7b49\u7279\u6027\u3002<\/p>\n<p>\u76ee\u524d EMQX \u5df2\u7ecf\u5e7f\u6cdb\u5730\u5e94\u7528\u5728\u8f66\u8054\u7f51\u3001\u5de5\u4e1a\u5236\u9020\u3001\u80fd\u6e90\u7535\u529b\u7b49\u9886\u57df\u3002<\/p>\n<h4>EMQX \u652f\u6301 TLS \u5417&#xff1f;<\/h4>\n<p>\u662f\u7684\u3002EMQX \u63d0\u4f9b\u4e86\u975e\u5e38\u5b8c\u6574\u7684 SSL\/TLS \u80fd\u529b\u652f\u6301&#xff0c;\u5305\u62ec\u652f\u6301\u5355\/\u53cc\u5411\u8ba4\u8bc1\u3001X.509 \u8bc1\u4e66\u8ba4\u8bc1\u3001SNI \u7b49\u7b49\u3002<\/p>\n<p>EMQX \u9664\u4e86\u652f\u6301\u4e3a\u5305\u62ec MQTT \u5728\u5185\u7684\u6240\u6709\u5ba2\u6237\u7aef\u8fde\u63a5\u542f\u7528 TLS&#xff0c;\u4ee5\u4fdd\u8bc1\u63a5\u5165\u548c\u6d88\u606f\u4f20\u8f93\u5b89\u5168\u4ee5\u5916&#xff0c;\u8fd8\u652f\u6301\u4e3a\u4e0e\u5176\u4ed6\u6240\u6709\u5916\u90e8\u8d44\u6e90\u7684\u8fde\u63a5\u542f\u7528 TLS&#xff0c;\u4ee5\u786e\u4fdd\u8bbf\u95ee\u5916\u90e8\u8d44\u6e90\u65f6\u7684\u6570\u636e\u5b89\u5168\u3002<\/p>\n<h4>\u4ec0\u4e48\u662f MQTT \u4e3b\u9898&#xff1f;<\/h4>\n<p>\u4e3b\u9898\u88ab\u7528\u6765\u6807\u8bc6\u548c\u533a\u5206\u4e0d\u540c\u7684\u6d88\u606f&#xff0c;\u5b83\u662f MQTT \u6d88\u606f\u8def\u7531\u7684\u57fa\u7840\u3002\u53d1\u5e03\u8005\u53ef\u4ee5\u5728\u53d1\u5e03\u65f6\u6307\u5b9a\u6d88\u606f\u7684\u4e3b\u9898&#xff0c;\u8ba2\u9605\u8005\u5219\u53ef\u4ee5\u9009\u62e9\u8ba2\u9605\u81ea\u5df1\u611f\u5174\u8da3\u7684\u4e3b\u9898\u6765\u63a5\u6536\u76f8\u5173\u7684\u6d88\u606f\u3002<\/p>\n<h4>MQTT \u548c EMQX \u6709\u4ec0\u4e48\u533a\u522b&#xff1f;<\/h4>\n<p>MQTT \u662f\u4e00\u4e2a\u6d88\u606f\u4f20\u8f93\u534f\u8bae&#xff0c;\u5b83\u5e7f\u6cdb\u5730\u5e94\u7528\u5728\u7269\u8054\u7f51\u7b49\u9886\u57df\u3002MQTT \u9700\u8981\u4e00\u4e2a\u670d\u52a1\u7aef\u6765\u4e3a\u6240\u6709\u5ba2\u6237\u7aef\u8def\u7531\u548c\u5206\u53d1\u6240\u6709\u6d88\u606f&#xff0c;\u800c EMQX \u5c31\u662f\u8fd9\u4e2a\u670d\u52a1\u7aef\u7684\u5177\u4f53\u5b9e\u73b0\u3002EMQX \u4e5f\u662f\u76ee\u524d\u5168\u7403\u6700\u53d7\u6b22\u8fce\u7684\u5f00\u6e90 MQTT \u6d88\u606f\u670d\u52a1\u5668\u4e4b\u4e00&#xff0c;\u5b83\u63d0\u4f9b\u4e86\u5bf9 MQTT v3.1\u3001v3.1.1 \u4ee5\u53ca v5.0 \u534f\u8bae\u6807\u51c6\u7684\u5b8c\u6574\u652f\u6301\u3002<\/p>\n<h4>MQTT \u548c AMQP \u6709\u4ec0\u4e48\u533a\u522b&#xff1f;<\/h4>\n<p>MQTT \u548c AMQP \u90fd\u662f\u8fd0\u884c\u5728 TCP\/IP \u4e4b\u4e0a\u7684\u4e8c\u8fdb\u5236\u6d88\u606f\u4f20\u9012\u534f\u8bae&#xff0c;\u4e5f\u90fd\u662f\u5f00\u653e\u7684\u6807\u51c6\u534f\u8bae\u3002<\/p>\n<p>\u4f46 MQTT \u4e3b\u8981\u4e3a\u9ad8\u5ef6\u8fdf\u3001\u4f4e\u5e26\u5bbd\u548c\u4e0d\u53ef\u9760\u7684\u7f51\u7edc\u800c\u8bbe\u8ba1&#xff0c;\u4f7f\u7528\u53d1\u5e03\u8ba2\u9605\u6a21\u5f0f&#xff0c;\u652f\u6301\u901a\u8fc7\u4e3b\u9898\u8def\u7531\u6d88\u606f\u3002MQTT \u62e5\u6709\u66f4\u8f7b\u5de7\u7684\u62a5\u6587\u7ed3\u6784&#xff0c;\u5bf9\u4e8e\u8d44\u6e90\u53d7\u9650\u7684\u8bbe\u5907\u66f4\u52a0\u53cb\u597d\u3002MQTT \u8fd8\u63d0\u4f9b\u4e86\u9057\u5631\u6d88\u606f\u3001\u4fdd\u7559\u6d88\u606f\u3001\u4f1a\u8bdd\u7b49\u4e13\u4e3a\u8fd0\u884c\u5728\u4e0d\u53ef\u9760\u7f51\u7edc\u4e0b\u7684\u8bbe\u5907\u8bbe\u8ba1\u7684\u529f\u80fd\u3002<\/p>\n<p>\u800c AMQP \u5219\u65e8\u5728\u63d0\u4f9b\u901a\u7528\u7684\u6d88\u606f\u961f\u5217\u534f\u8bae&#xff0c;\u786e\u4fdd\u4e1a\u52a1\u6d88\u606f\u5728\u5e94\u7528\u7a0b\u5e8f\u6216\u8005\u670d\u52a1\u7aef\u4e4b\u95f4\u5b89\u5168\u9ad8\u6548\u5730\u4f20\u8f93&#xff0c;\u5b83\u63d0\u4f9b\u4e86\u591a\u79cd\u4e0d\u540c\u7684\u8def\u7531\u89c4\u5219\u6765\u6ee1\u8db3\u66f4\u590d\u6742\u7684\u5e94\u7528\u573a\u666f&#xff0c;\u76ee\u524d AMQP \u5e7f\u6cdb\u5730\u5e94\u7528\u4e8e\u5546\u4e1a\u9886\u57df\u3002<\/p>\n<h4>MQTT \u548c Kafka \u6709\u4ec0\u4e48\u533a\u522b&#xff1f;<\/h4>\n<p>MQTT \u548c Kafka \u662f\u5b8c\u5168\u4e0d\u540c\u7684\u6280\u672f&#xff0c;\u867d\u7136\u5b83\u4eec\u5177\u6709\u4e00\u4e9b\u7c7b\u4f3c\u7684\u7279\u6027&#xff0c;\u6bd4\u5982\u90fd\u57fa\u4e8e\u53d1\u5e03\u8ba2\u9605\u6a21\u5f0f&#xff0c;\u90fd\u901a\u8fc7\u4e3b\u9898\u6765\u8def\u7531\u6d88\u606f\u7b49\u7b49\u3002<\/p>\n<p>\u4f46\u5b9e\u9645\u4e0a&#xff0c;Kafka \u66f4\u591a\u5730\u662f\u4e13\u6ce8\u4e8e\u6570\u636e\u7684\u5b58\u50a8\u548c\u8bfb\u53d6&#xff0c;\u9488\u5bf9\u5b9e\u65f6\u6027\u9ad8\u7684\u6d41\u5f0f\u6570\u636e\u5904\u7406\u573a\u666f\u3002\u800c MQTT \u5219\u4fa7\u91cd\u4e8e\u6d77\u91cf\u7684\u8bbe\u5907\u8fde\u63a5\u548c\u4e3b\u9898\u8def\u7531&#xff0c;\u5e76\u4e14\u5728\u4e0d\u7a33\u5b9a\u7684\u7f51\u7edc\u73af\u5883\u4e2d\u8fdb\u884c\u5b9e\u65f6\u7684\u3001\u53ef\u9760\u7684\u6d88\u606f\u4ea4\u6362\u3002\u6240\u4ee5&#xff0c;MQTT \u548c Kafka \u7684\u6700\u5927\u5dee\u5f02\u5728\u4e8e\u5b83\u4eec\u6709\u7740\u4e0d\u540c\u7684\u9002\u7528\u573a\u666f&#xff0c;\u89e3\u51b3\u7684\u662f\u4e0d\u540c\u7684\u95ee\u9898\u3002<\/p>\n<p>\u5728\u5b9e\u9645\u7684\u751f\u4ea7\u5e94\u7528\u4e2d&#xff0c;MQTT \u548c Kafka \u7ecf\u5e38\u4f1a\u7ed3\u5408\u4e00\u8d77\u4f7f\u7528\u3002MQTT \u4ee3\u7406\u89e3\u51b3\u6d77\u91cf\u7ec8\u7aef\u8bbe\u5907\u7684\u63a5\u5165\u95ee\u9898&#xff0c;\u5e76\u5c06\u6c47\u5165\u7684\u6d77\u91cf\u7ec8\u7aef\u6570\u636e\u8f6c\u53d1\u7ed9 Kafka&#xff0c;\u518d\u7531 Kafka \u5206\u53d1\u7ed9\u4e0d\u540c\u7684\u4e1a\u52a1\u5e94\u7528\u7a0b\u5e8f&#xff0c;\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u6d88\u606f\u5206\u6790\u548c\u5904\u7406\u3002<\/p>\n<h4>EMQX \u662f\u514d\u8d39\u7684\u5417&#xff1f;<\/h4>\n<p>\u662f\u7684&#xff0c;EMQX \u662f\u4e00\u4e2a\u57fa\u4e8e Apache 2.0 \u8bb8\u53ef\u8bc1\u5b8c\u5168\u5f00\u6e90\u7684 MQTT \u6d88\u606f\u670d\u52a1\u5668&#xff0c;\u4ece 2013 \u5e74\u5728 Github \u4e0a\u5f00\u6e90\u81f3\u4eca&#xff0c;EMQX \u5df2\u7ecf\u6536\u83b7\u4e86\u8d85\u8fc7 11K \u7684 Star \u6570\u3002\u4f60\u53ef\u4ee5\u5728 EMQX \u5b98\u7f51\u6216\u8005 Github \u514d\u8d39\u4e0b\u8f7d\u4f7f\u7528 EMQX\u3002<\/p>\n<h4>\u9664\u4e86 MQTT&#xff0c;EMQX \u8fd8\u652f\u6301\u54ea\u4e9b\u534f\u8bae&#xff1f;<\/h4>\n<p>\u9664\u4e86 MQTT \u534f\u8bae&#xff0c;EMQX \u8fd8\u652f\u6301 MQTT-SN\u3001CoAP\u3001STOMP \u4ee5\u53ca LwM2M \u591a\u79cd\u5176\u4ed6\u7269\u8054\u7f51\u534f\u8bae&#xff0c;\u5e76\u4e14\u5141\u8bb8\u63a5\u5165\u7684\u5ba2\u6237\u7aef\u8de8\u534f\u8bae\u901a\u4fe1\u3002<\/p>\n<h4>EMQX \u652f\u6301\u54ea\u4e2a MQTT \u7248\u672c&#xff1f;<\/h4>\n<p>EMQX \u63d0\u4f9b\u4e86\u5bf9\u6240\u6709\u534f\u8bae\u7248\u672c\u7684\u5b8c\u6574\u7684 MQTT \u652f\u6301&#xff0c;\u5305\u62ec MQTT v3.1\u3001v3.1.1 \u4ee5\u53ca v5.0&#xff0c;\u5e76\u4e14\u5141\u8bb8\u4e0d\u540c\u534f\u8bae\u7248\u672c\u7684\u5ba2\u6237\u7aef\u540c\u65f6\u63a5\u5165\u3002<\/p>\n<h4>MQTT \u6709\u591a\u5b89\u5168&#xff1f;<\/h4>\n<p>MQTT \u63d0\u4f9b\u4e86\u591a\u9879\u5b89\u5168\u673a\u5236&#xff0c;\u901a\u8fc7\u5bc6\u7801\u8ba4\u8bc1\u3001Token \u8ba4\u8bc1\u6216\u8005\u652f\u6301\u591a\u79cd\u8ba4\u8bc1\u7b97\u6cd5\u7684\u589e\u5f3a\u8ba4\u8bc1\u673a\u5236&#xff0c;\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u7684\u8eab\u4efd\u9a8c\u8bc1&#xff0c;\u518d\u914d\u5408\u670d\u52a1\u7aef\u7684\u6743\u9650\u68c0\u67e5&#xff0c;\u53ef\u4ee5\u786e\u4fdd\u53ea\u6709\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u5ba2\u6237\u7aef\u624d\u80fd\u8bbf\u95ee\u6743\u9650\u4ee5\u5185\u7684\u6570\u636e\u3002<\/p>\n<p>MQTT \u8fd8\u652f\u6301\u4f7f\u7528 SSL\/TLS \u8fdb\u884c\u52a0\u5bc6\u901a\u4fe1&#xff0c;\u4ee5\u4fdd\u62a4\u6570\u636e\u7684\u9690\u79c1\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f&#xff0c;\u6700\u7ec8\u7684\u5b89\u5168\u6027\u4ecd\u7136\u53d6\u51b3\u4e8e\u60a8\u7684\u5177\u4f53\u5b9e\u65bd\u3002\u6bd4\u5982&#xff0c;\u662f\u5426\u5b89\u5168\u5730\u5b58\u50a8\u4e86\u5bc6\u7801&#xff0c;\u662f\u5426\u5728 TLS \u4e2d\u4f7f\u7528\u4e86\u8db3\u591f\u5b89\u5168\u7684\u52a0\u5bc6\u5957\u4ef6\u7b49\u7b49\u3002<\/p>\n<h4>MQTT \u4f7f\u7528 TCP \u8fd8\u662f UDP&#xff1f;<\/h4>\n<p>MQTT \u534f\u8bae\u8981\u6c42\u57fa\u7840\u4f20\u8f93\u5c42\u80fd\u591f\u63d0\u4f9b\u6709\u5e8f\u3001\u53ef\u9760\u7684\u53cc\u5411\u4f20\u8f93\u5b57\u8282\u6d41&#xff0c;\u6240\u4ee5 TCP \u534f\u8bae\u901a\u5e38\u662f MQTT \u7684\u9996\u8981\u9009\u62e9\u3002<\/p>\n<p>\u4e0d\u8fc7 MQTT \u5e76\u672a\u5f3a\u5236\u6307\u5b9a\u4f7f\u7528\u67d0\u79cd\u4f20\u8f93\u534f\u8bae\u3002\u867d\u7136\u65e0\u6cd5\u4fdd\u8bc1\u6d88\u606f\u6709\u5e8f\u5230\u8fbe\u7684 UDP \u5e76\u4e0d\u9002\u5408\u76f4\u63a5\u4f5c\u4e3a MQTT \u7684\u5e95\u5c42\u4f20\u8f93\u534f\u8bae&#xff0c;\u4f46\u662f\u57fa\u4e8e UDP \u5b9e\u73b0\u7684 QUIC&#xff0c;\u7531\u4e8e\u96c6\u6210\u4e86 TCP \u548c TLS \u7684\u6240\u6709\u4f18\u70b9\u5e76\u4e14\u89e3\u51b3\u4e86\u8fde\u63a5\u5f00\u9500\u3001\u8fde\u63a5\u4e0d\u53ef\u8fc1\u79fb\u7b49\u7f3a\u70b9&#xff0c;\u6240\u4ee5\u4e5f\u975e\u5e38\u9002\u5408\u4f5c\u4e3a MQTT \u7684\u4f20\u8f93\u534f\u8bae\u3002<\/p>\n<h4>EMQX \u80fd\u5426\u4ee3\u66ff RabbitMQ&#xff1f;<\/h4>\n<p>EMQX \u7684\u6838\u5fc3\u662f MQTT&#xff0c;RabbitMQ \u7684\u6838\u5fc3\u662f AMQP&#xff0c;\u4ed6\u4eec\u6709\u7740\u4e0d\u540c\u7684\u8bbe\u8ba1\u76ee\u6807\u548c\u7528\u4f8b\u3002EMQX \u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u3001\u53ef\u6269\u5c55\u3001\u529f\u80fd\u4e30\u5bcc\u7684 MQTT \u6d88\u606f\u670d\u52a1\u5668&#xff0c;\u9488\u5bf9\u7269\u8054\u7f51\u548c M2M \u901a\u4fe1\u8fdb\u884c\u4e86\u4f18\u5316\u3002EMQX \u65e8\u5728\u5904\u7406\u6d77\u91cf\u7684\u5e76\u53d1\u8fde\u63a5\u548c\u6d88\u606f\u541e\u5410&#xff0c;\u4f7f\u5176\u9002\u7528\u4e8e\u9700\u8981\u4f4e\u5ef6\u8fdf\u548c\u5b9e\u65f6\u901a\u4fe1\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<p>RabbitMQ \u5219\u66f4\u591a\u7684\u5e94\u7528\u5728\u4e0d\u540c\u7cfb\u7edf\u95f4\u7684\u6570\u636e\u4ea4\u6d41\u548c\u4f20\u9012\u4e0a\u3002\u4e0e Kafka \u7c7b\u4f3c&#xff0c;\u5f88\u591a\u65f6\u5019&#xff0c;RabbitMQ \u4e0e EMQX \u7ed3\u5408\u4f7f\u7528\u80fd\u591f\u83b7\u5f97\u66f4\u597d\u7684\u6548\u679c\u3002<\/p>\n<h4>MQTT \u6bd4 AMQP \u5feb\u5417&#xff1f;<\/h4>\n<p>\u5355\u7eaf\u6bd4\u8f83\u534f\u8bae\u4e4b\u95f4\u7684\u6027\u80fd\u5dee\u5f02\u662f\u6ca1\u6709\u610f\u4e49\u7684&#xff0c;\u8fd9\u66f4\u591a\u7684\u53d6\u51b3\u4e8e\u5177\u4f53\u7528\u4f8b\u7684\u5b9e\u73b0\u3002\u5373\u4fbf\u662f\u540c\u4e00\u79cd\u534f\u8bae\u7684\u4e0d\u540c\u5b9e\u73b0&#xff0c;\u4e5f\u53ef\u80fd\u5b58\u5728\u8f83\u5927\u7684\u6027\u80fd\u5dee\u5f02\u3002\u6839\u636e\u5e94\u7528\u573a\u666f\u6765\u9009\u62e9\u534f\u8bae&#xff0c;\u6839\u636e\u671f\u671b\u7684\u6027\u80fd\u6765\u5bf9\u534f\u8bae\u7684\u5177\u4f53\u5b9e\u73b0\u8fdb\u884c\u9009\u578b&#xff0c;\u4f1a\u662f\u4e00\u4e2a\u66f4\u52a0\u5408\u7406\u7684\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb4.7k\u6b21\uff0c\u70b9\u8d5e32\u6b21\uff0c\u6536\u85cf50\u6b21\u3002MQTT \u662f\u7528\u4e8e\u7269\u8054\u7f51\u8fde\u63a5\u7684 OASIS \u6807\u51c6\uff0c\u5b83\u662f\u4e00\u79cd\u57fa\u4e8e\u53d1\u5e03\u8ba2\u9605\u6a21\u5f0f\u7684\u3001\u8f7b\u91cf\u7ea7\u7684\u6d88\u606f\u4f20\u8f93\u534f\u8bae\uff0c\u4e13\u4e3a\u53d7\u9650\u8bbe\u5907\u548c\u4f4e\u5e26\u5bbd\u3001\u9ad8\u5ef6\u8fdf\u548c\u4e0d\u53ef\u9760\u7684\u7f51\u7edc\u8bbe\u8ba1\uff0c\u5e76\u4e14\u80fd\u591f\u63d0\u4f9b\u4e00\u5b9a\u7684\u6d88\u606f\u53ef\u9760\u6027\u4fdd\u8bc1\u3002\u5f97\u76ca\u4e8e\u8fd9\u4e9b\u7279\u6027\uff0cMQTT \u5728\u8f66\u8054\u7f51\u3001\u5de5\u4e1a\u5236\u9020\u3001\u79fb\u52a8\u901a\u4fe1\u7b49\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\u3002\u76ee\u524d MQTT \u7684\u4e3b\u8981\u7248\u672c\u6709 v3.1.1 \u548c v5.0\uff0cv5.0 \u4e8e 2019 \u5e74 3 \u6708\u53d1\u5e03\uff0c\u76f8\u6bd4\u4e8e v3.1.1 \u5f15\u5165\u4e86\u5f88\u591a\u6539\u8fdb\u548c\u589e\u5f3a\uff0c\u76ee\u524d\u5e02\u9762\u4e0a\u7edd\u5927\u90e8\u5206\u7684\u5ba2\u6237\u7aef \u548c\u4ee3\u7406\u90fd\u5df2\u7ecf\u652f\u6301\u4e86 MQTT v5.0\u3002_mqttx\u4f7f\u7528<\/p>\n","protected":false},"author":2,"featured_media":12660,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[320,43,220,191],"topic":[],"class_list":["post-12661","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-mqtt","tag-43","tag-220","tag-191"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>MQTT\u6559\u7a0b-\u670d\u52a1\u5668\u4f7f\u7528EMQX\u548c\u5ba2\u6237\u7aef\u4f7f\u7528MQTTX - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/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.wsisp.com\/helps\/12661.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MQTT\u6559\u7a0b-\u670d\u52a1\u5668\u4f7f\u7528EMQX\u548c\u5ba2\u6237\u7aef\u4f7f\u7528MQTTX - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb4.7k\u6b21\uff0c\u70b9\u8d5e32\u6b21\uff0c\u6536\u85cf50\u6b21\u3002MQTT \u662f\u7528\u4e8e\u7269\u8054\u7f51\u8fde\u63a5\u7684 OASIS \u6807\u51c6\uff0c\u5b83\u662f\u4e00\u79cd\u57fa\u4e8e\u53d1\u5e03\u8ba2\u9605\u6a21\u5f0f\u7684\u3001\u8f7b\u91cf\u7ea7\u7684\u6d88\u606f\u4f20\u8f93\u534f\u8bae\uff0c\u4e13\u4e3a\u53d7\u9650\u8bbe\u5907\u548c\u4f4e\u5e26\u5bbd\u3001\u9ad8\u5ef6\u8fdf\u548c\u4e0d\u53ef\u9760\u7684\u7f51\u7edc\u8bbe\u8ba1\uff0c\u5e76\u4e14\u80fd\u591f\u63d0\u4f9b\u4e00\u5b9a\u7684\u6d88\u606f\u53ef\u9760\u6027\u4fdd\u8bc1\u3002\u5f97\u76ca\u4e8e\u8fd9\u4e9b\u7279\u6027\uff0cMQTT \u5728\u8f66\u8054\u7f51\u3001\u5de5\u4e1a\u5236\u9020\u3001\u79fb\u52a8\u901a\u4fe1\u7b49\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\u3002\u76ee\u524d MQTT \u7684\u4e3b\u8981\u7248\u672c\u6709 v3.1.1 \u548c v5.0\uff0cv5.0 \u4e8e 2019 \u5e74 3 \u6708\u53d1\u5e03\uff0c\u76f8\u6bd4\u4e8e v3.1.1 \u5f15\u5165\u4e86\u5f88\u591a\u6539\u8fdb\u548c\u589e\u5f3a\uff0c\u76ee\u524d\u5e02\u9762\u4e0a\u7edd\u5927\u90e8\u5206\u7684\u5ba2\u6237\u7aef \u548c\u4ee3\u7406\u90fd\u5df2\u7ecf\u652f\u6301\u4e86 MQTT v5.0\u3002_mqttx\u4f7f\u7528\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/12661.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-18T11:47:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418114701-68023bb5e94af.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/12661.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/12661.html\",\"name\":\"MQTT\u6559\u7a0b-\u670d\u52a1\u5668\u4f7f\u7528EMQX\u548c\u5ba2\u6237\u7aef\u4f7f\u7528MQTTX - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2025-04-18T11:47:03+00:00\",\"dateModified\":\"2025-04-18T11:47:03+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/12661.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/12661.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/12661.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"MQTT\u6559\u7a0b--\u670d\u52a1\u5668\u4f7f\u7528EMQX\u548c\u5ba2\u6237\u7aef\u4f7f\u7528MQTTX\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"MQTT\u6559\u7a0b-\u670d\u52a1\u5668\u4f7f\u7528EMQX\u548c\u5ba2\u6237\u7aef\u4f7f\u7528MQTTX - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/12661.html","og_locale":"zh_CN","og_type":"article","og_title":"MQTT\u6559\u7a0b-\u670d\u52a1\u5668\u4f7f\u7528EMQX\u548c\u5ba2\u6237\u7aef\u4f7f\u7528MQTTX - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb4.7k\u6b21\uff0c\u70b9\u8d5e32\u6b21\uff0c\u6536\u85cf50\u6b21\u3002MQTT \u662f\u7528\u4e8e\u7269\u8054\u7f51\u8fde\u63a5\u7684 OASIS \u6807\u51c6\uff0c\u5b83\u662f\u4e00\u79cd\u57fa\u4e8e\u53d1\u5e03\u8ba2\u9605\u6a21\u5f0f\u7684\u3001\u8f7b\u91cf\u7ea7\u7684\u6d88\u606f\u4f20\u8f93\u534f\u8bae\uff0c\u4e13\u4e3a\u53d7\u9650\u8bbe\u5907\u548c\u4f4e\u5e26\u5bbd\u3001\u9ad8\u5ef6\u8fdf\u548c\u4e0d\u53ef\u9760\u7684\u7f51\u7edc\u8bbe\u8ba1\uff0c\u5e76\u4e14\u80fd\u591f\u63d0\u4f9b\u4e00\u5b9a\u7684\u6d88\u606f\u53ef\u9760\u6027\u4fdd\u8bc1\u3002\u5f97\u76ca\u4e8e\u8fd9\u4e9b\u7279\u6027\uff0cMQTT \u5728\u8f66\u8054\u7f51\u3001\u5de5\u4e1a\u5236\u9020\u3001\u79fb\u52a8\u901a\u4fe1\u7b49\u9886\u57df\u5e7f\u6cdb\u5e94\u7528\u3002\u76ee\u524d MQTT \u7684\u4e3b\u8981\u7248\u672c\u6709 v3.1.1 \u548c v5.0\uff0cv5.0 \u4e8e 2019 \u5e74 3 \u6708\u53d1\u5e03\uff0c\u76f8\u6bd4\u4e8e v3.1.1 \u5f15\u5165\u4e86\u5f88\u591a\u6539\u8fdb\u548c\u589e\u5f3a\uff0c\u76ee\u524d\u5e02\u9762\u4e0a\u7edd\u5927\u90e8\u5206\u7684\u5ba2\u6237\u7aef \u548c\u4ee3\u7406\u90fd\u5df2\u7ecf\u652f\u6301\u4e86 MQTT v5.0\u3002_mqttx\u4f7f\u7528","og_url":"https:\/\/www.wsisp.com\/helps\/12661.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2025-04-18T11:47:03+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418114701-68023bb5e94af.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"8 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/12661.html","url":"https:\/\/www.wsisp.com\/helps\/12661.html","name":"MQTT\u6559\u7a0b-\u670d\u52a1\u5668\u4f7f\u7528EMQX\u548c\u5ba2\u6237\u7aef\u4f7f\u7528MQTTX - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2025-04-18T11:47:03+00:00","dateModified":"2025-04-18T11:47:03+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/12661.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/12661.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/12661.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"MQTT\u6559\u7a0b--\u670d\u52a1\u5668\u4f7f\u7528EMQX\u548c\u5ba2\u6237\u7aef\u4f7f\u7528MQTTX"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/12661","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=12661"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/12661\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/12660"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=12661"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=12661"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=12661"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=12661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}