{"id":168,"date":"2024-09-19T08:57:30","date_gmt":"2024-09-19T00:57:30","guid":{"rendered":"https:\/\/www.armfun.cn\/?p=168"},"modified":"2024-09-19T08:57:30","modified_gmt":"2024-09-19T00:57:30","slug":"mqtt%ef%bc%88message-queuing-telemetry-transport%ef%bc%89%e8%bd%bb%e9%87%8f%e7%ba%a7%e6%b6%88%e6%81%af%e4%bc%a0%e8%be%93%e5%8d%8f%e8%ae%ae%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/www.armfun.cn\/?p=168","title":{"rendered":"MQTT\uff08Message Queuing Telemetry Transport\uff09\u8f7b\u91cf\u7ea7\u6d88\u606f\u4f20\u8f93\u534f\u8bae\u4ecb\u7ecd"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">MQTT\uff08<strong>M<\/strong>essage <strong>Q<\/strong>ueuing <strong>T<\/strong>elemetry <strong>T<\/strong>ransport\uff09\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u53d1\u5e03\/\u8ba2\u9605\u6d88\u606f\u4f20\u8f93\u534f\u8bae\uff0c\u4e13\u4e3a\u7269\u8054\u7f51\uff08IoT\uff09\u8bbe\u5907\u548c\u4f4e\u5e26\u5bbd\u3001\u9ad8\u5ef6\u8fdf\u6216\u4e0d\u53ef\u9760\u7f51\u7edc\u73af\u5883\u4e0b\u7684\u901a\u4fe1\u8bbe\u8ba1\u3002\u81ea1999\u5e74\u7531Andy Stanford-Clark\uff08IBM\uff09\u548cArlen Nipper\uff08Arcom\uff0c\u73b0\u5728\u7684Eurotech\uff09\u5171\u540c\u5f00\u53d1\u4ee5\u6765\uff0cMQTT\u5df2\u6210\u4e3a\u7269\u8054\u7f51\u901a\u4fe1\u7684\u4e3b\u6d41\u534f\u8bae\u4e4b\u4e00\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u9886\u57df\uff0c\u5982\u667a\u80fd\u5bb6\u5c45\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u8f66\u8054\u7f51\u7b49\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. MQTT\u6982\u8ff0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">MQTT\u662f\u4e00\u79cd\u57fa\u4e8e\u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f\u7684\u6d88\u606f\u4f20\u8f93\u534f\u8bae\uff0c\u8bbe\u8ba1\u76ee\u6807\u662f\u5b9e\u73b0\u4f4e\u5e26\u5bbd\u3001\u9ad8\u5ef6\u8fdf\u6216\u4e0d\u53ef\u9760\u7f51\u7edc\u73af\u5883\u4e0b\u7684\u9ad8\u6548\u901a\u4fe1\u3002\u5176\u4e3b\u8981\u7279\u70b9\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8f7b\u91cf\u7ea7<\/strong>\uff1a\u534f\u8bae\u5934\u90e8\u6781\u7b80\uff0c\u9002\u7528\u4e8e\u8d44\u6e90\u53d7\u9650\u7684\u8bbe\u5907\u3002<\/li>\n\n\n\n<li><strong>\u9ad8\u6548<\/strong>\uff1a\u901a\u8fc7\u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f\u51cf\u5c11\u7f51\u7edc\u6d41\u91cf\uff0c\u9002\u5408\u5b9e\u65f6\u6570\u636e\u4f20\u8f93\u3002<\/li>\n\n\n\n<li><strong>\u53ef\u9760<\/strong>\uff1a\u63d0\u4f9b\u591a\u7ea7\u670d\u52a1\u8d28\u91cf\u4fdd\u8bc1\u6d88\u606f\u4f20\u9012\u7684\u53ef\u9760\u6027\u3002<\/li>\n\n\n\n<li><strong>\u7075\u6d3b<\/strong>\uff1a\u652f\u6301\u591a\u79cd\u4f20\u8f93\u5c42\u534f\u8bae\uff0c\u5982TCP\/IP\uff0c\u6613\u4e8e\u96c6\u6210\u5230\u5404\u79cd\u5e94\u7528\u4e2d\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u5386\u53f2\u4e0e\u53d1\u5c55<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">MQTT\u7531Andy Stanford-Clark\uff08IBM\uff09\u548cArlen Nipper\uff08Arcom\uff0c\u73b0\u4e3aEurotech\uff09\u4e8e1999\u5e74\u5171\u540c\u5f00\u53d1\uff0c\u6700\u521d\u7528\u4e8e\u8fdc\u7a0b\u76d1\u63a7\u77f3\u6cb9\u94bb\u4e95\u5e73\u53f0\u7684\u6570\u636e\u4f20\u8f93\u3002\u5176\u8bbe\u8ba1\u76ee\u6807\u662f\u89e3\u51b3\u5728\u5e26\u5bbd\u53d7\u9650\u548c\u7f51\u7edc\u4e0d\u7a33\u5b9a\u7684\u73af\u5883\u4e0b\uff0c\u5982\u4f55\u9ad8\u6548\u3001\u53ef\u9760\u5730\u4f20\u8f93\u6570\u636e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u968f\u7740\u7269\u8054\u7f51\u7684\u5feb\u901f\u53d1\u5c55\uff0cMQTT\u9010\u6e10\u6f14\u53d8\u4e3a\u901a\u7528\u7684\u7269\u8054\u7f51\u901a\u4fe1\u534f\u8bae\u3002OASIS\u4e8e2013\u5e74\u53d1\u5e03\u4e86MQTT 3.1.1\u7248\u672c\uff0c\u968f\u540e\u57282019\u5e74\u6210\u4e3aISO\/IEC\u6807\u51c6\uff08ISO\/IEC PRF 20922:2016\uff09\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u6838\u5fc3\u6982\u5ff5\u4e0e\u67b6\u6784<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">MQTT\u91c7\u7528\u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f\uff0c\u4e0e\u4f20\u7edf\u7684\u5ba2\u6237\u7aef\/\u670d\u52a1\u5668\u6a21\u578b\u4e0d\u540c\uff0c\u5176\u6838\u5fc3\u7ec4\u4ef6\u5305\u62ec\u53d1\u5e03\u8005\u3001\u8ba2\u9605\u8005\u3001\u4e3b\u9898\u548c\u4ee3\u7406\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u53d1\u5e03\u8005\u4e0e\u8ba2\u9605\u8005<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u53d1\u5e03\u8005\uff08Publisher\uff09<\/strong>\uff1a\u53d1\u9001\u6d88\u606f\u7684\u5ba2\u6237\u7aef\uff0c\u5411\u7279\u5b9a\u4e3b\u9898\u53d1\u5e03\u6570\u636e\u3002<\/li>\n\n\n\n<li><strong>\u8ba2\u9605\u8005\uff08Subscriber\uff09<\/strong>\uff1a\u63a5\u6536\u6d88\u606f\u7684\u5ba2\u6237\u7aef\uff0c\u8ba2\u9605\u611f\u5174\u8da3\u7684\u4e3b\u9898\u3002<\/li>\n\n\n\n<li><strong>\u4ee3\u7406\uff08Broker\uff09<\/strong>\uff1a\u4e2d\u4ecb\u670d\u52a1\u5668\uff0c\u8d1f\u8d23\u63a5\u6536\u3001\u8fc7\u6ee4\u548c\u5206\u53d1\u6d88\u606f\u7ed9\u8ba2\u9605\u8005\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e3b\u9898\uff08Topic\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u9898\u662f\u6d88\u606f\u5206\u7c7b\u548c\u8def\u7531\u7684\u673a\u5236\uff0c\u7c7b\u4f3c\u4e8e\u6d88\u606f\u7684\u201c\u5730\u5740\u201d\u3002\u4e3b\u9898\u91c7\u7528\u5c42\u7ea7\u7ed3\u6784\uff0c\u7528\u201c\/\u201d\u5206\u9694\uff0c\u4f8b\u5982<code>home\/livingroom\/temperature<\/code>\u3002\u8ba2\u9605\u8005\u901a\u8fc7\u4e3b\u9898\u8fc7\u6ee4\u8868\u8fbe\u5f0f\u8ba2\u9605\u611f\u5174\u8da3\u7684\u6d88\u606f\uff0c\u5982\u4f7f\u7528\u901a\u914d\u7b26<code>+<\/code>\u548c<code>#<\/code>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ee3\u7406\uff08Broker\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">MQTT\u4ee3\u7406\u662f\u6d88\u606f\u4f20\u9012\u7684\u6838\u5fc3\uff0c\u8d1f\u8d23\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ba1\u7406\u5ba2\u6237\u7aef\u8fde\u63a5\u3002<\/li>\n\n\n\n<li>\u5904\u7406\u6d88\u606f\u7684\u53d1\u5e03\u4e0e\u5206\u53d1\u3002<\/li>\n\n\n\n<li>\u7ef4\u62a4\u4e3b\u9898\u4e0e\u8ba2\u9605\u5173\u7cfb\u3002<\/li>\n\n\n\n<li>\u5b9e\u73b0\u6d88\u606f\u7684\u6301\u4e45\u5316\u4e0e\u8d28\u91cf\u4fdd\u8bc1\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5ba2\u6237\u7aef\uff08Client\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5ba2\u6237\u7aef\u662f\u4efb\u4f55\u4f7f\u7528MQTT\u534f\u8bae\u7684\u8bbe\u5907\u6216\u5e94\u7528\uff0c\u5305\u62ec\u53d1\u5e03\u8005\u548c\u8ba2\u9605\u8005\u3002\u6bcf\u4e2a\u5ba2\u6237\u7aef\u901a\u8fc7\u552f\u4e00\u7684\u5ba2\u6237\u7aef\u6807\u8bc6\u7b26\uff08Client ID\uff09\u8fde\u63a5\u5230\u4ee3\u7406\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. MQTT\u534f\u8bae\u7279\u6027<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u8f7b\u91cf\u7ea7\u4e0e\u9ad8\u6548<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">MQTT\u8bbe\u8ba1\u7b80\u6d01\uff0c\u534f\u8bae\u5934\u90e8\u53ea\u67092\u5b57\u8282\uff0c\u52a0\u4e0a\u53ef\u53d8\u957f\u5ea6\u5b57\u6bb5\uff0c\u6574\u4f53\u5f00\u9500\u6781\u4f4e\u3002\u9002\u5408\u4f4e\u5e26\u5bbd\u548c\u9ad8\u5ef6\u8fdf\u7f51\u7edc\u73af\u5883\uff0c\u5982\u536b\u661f\u901a\u4fe1\u3001\u79fb\u52a8\u7f51\u7edc\u7b49\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u670d\u52a1\u8d28\u91cf\uff08QoS\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">MQTT\u5b9a\u4e49\u4e86\u4e09\u79cd\u6d88\u606f\u4f20\u9012\u670d\u52a1\u8d28\u91cf\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>QoS 0\uff08\u6700\u591a\u4e00\u6b21\uff09<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u6d88\u606f\u53d1\u9001\u4e00\u6b21\uff0c\u4e0d\u4fdd\u8bc1\u63a5\u6536\u3002<\/li>\n\n\n\n<li>\u9002\u7528\u4e8e\u5bf9\u4e22\u5931\u6d88\u606f\u4e0d\u654f\u611f\u7684\u5e94\u7528\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>QoS 1\uff08\u81f3\u5c11\u4e00\u6b21\uff09<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u786e\u4fdd\u6d88\u606f\u81f3\u5c11\u5230\u8fbe\u4e00\u6b21\u3002<\/li>\n\n\n\n<li>\u53ef\u80fd\u4f1a\u51fa\u73b0\u91cd\u590d\u6d88\u606f\u3002<\/li>\n\n\n\n<li>\u9002\u7528\u4e8e\u9700\u8981\u786e\u4fdd\u6d88\u606f\u4f20\u9012\u4f46\u53ef\u5bb9\u5fcd\u91cd\u590d\u7684\u573a\u666f\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>QoS 2\uff08\u53ea\u6709\u4e00\u6b21\uff09<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u786e\u4fdd\u6d88\u606f\u4ec5\u5230\u8fbe\u4e00\u6b21\u3002<\/li>\n\n\n\n<li>\u6d88\u606f\u4f20\u9012\u8fc7\u7a0b\u66f4\u590d\u6742\uff0c\u5f00\u9500\u66f4\u5927\u3002<\/li>\n\n\n\n<li>\u9002\u7528\u4e8e\u5bf9\u6d88\u606f\u91cd\u590d\u654f\u611f\u7684\u5e94\u7528\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u4fdd\u7559\u6d88\u606f\uff08Retained Messages\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u53d1\u5e03\u8005\u53ef\u4ee5\u5c06\u6d88\u606f\u6807\u8bb0\u4e3a\u4fdd\u7559\u6d88\u606f\uff0c\u4ee3\u7406\u4f1a\u4fdd\u5b58\u6700\u540e\u4e00\u6761\u4fdd\u7559\u6d88\u606f\uff0c\u5e76\u5728\u6709\u65b0\u8ba2\u9605\u8005\u8ba2\u9605\u8be5\u4e3b\u9898\u65f6\u7acb\u5373\u53d1\u9001\u3002\u8fd9\u5bf9\u4e8e\u65b0\u8ba2\u9605\u8005\u5feb\u901f\u83b7\u53d6\u6700\u65b0\u72b6\u6001\u4fe1\u606f\u975e\u5e38\u6709\u7528\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9057\u5631\u6d88\u606f\uff08Last Will and Testament, LWT\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5ba2\u6237\u7aef\u8fde\u63a5\u65ad\u5f00\u65f6\uff0c\u4ee3\u7406\u53ef\u4ee5\u53d1\u5e03\u9884\u5148\u5b9a\u4e49\u7684\u9057\u5631\u6d88\u606f\uff0c\u901a\u77e5\u5176\u4ed6\u5ba2\u6237\u7aef\u8be5\u4e8b\u4ef6\u3002\u8fd9\u7528\u4e8e\u76d1\u6d4b\u8bbe\u5907\u7684\u5728\u7ebf\u72b6\u6001\u548c\u6545\u969c\u6062\u590d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f1a\u8bdd\u7ba1\u7406<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">MQTT\u652f\u6301\u6301\u4e45\u4f1a\u8bdd\u548c\u975e\u6301\u4e45\u4f1a\u8bdd\uff0c\u5141\u8bb8\u5ba2\u6237\u7aef\u5728\u65ad\u5f00\u540e\u91cd\u65b0\u8fde\u63a5\u65f6\u6062\u590d\u8ba2\u9605\u72b6\u6001\u548c\u672a\u5b8c\u6210\u7684\u6d88\u606f\u4f20\u9012\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. MQTT\u534f\u8bae\u7248\u672c<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>MQTT 3.1\uff082010\u5e74\uff09<\/strong>\uff1a\u65e9\u671f\u7248\u672c\uff0c\u63d0\u4f9b\u57fa\u672c\u7684\u53d1\u5e03\/\u8ba2\u9605\u529f\u80fd\u3002<\/li>\n\n\n\n<li><strong>MQTT 3.1.1\uff082014\u5e74\uff09<\/strong>\uff1aOASIS\u6807\u51c6\uff0c\u4fee\u6b63\u4e863.1\u7248\u672c\u4e2d\u7684\u4e00\u4e9b\u95ee\u9898\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5b9e\u9645\u9879\u76ee\u3002<\/li>\n\n\n\n<li><strong>MQTT 5.0\uff082019\u5e74\uff09<\/strong>\uff1a\u6700\u65b0\u7248\u672c\uff0c\u589e\u5f3a\u4e86\u529f\u80fd\u548c\u7075\u6d3b\u6027\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684\u5e94\u7528\u9700\u6c42\uff0c\u5982\u4e3b\u9898\u522b\u540d\u3001\u5171\u4eab\u8ba2\u9605\u3001\u8bf7\u6c42\u54cd\u5e94\u6a21\u5f0f\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">6. MQTT\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8fde\u63a5\u5efa\u7acb<\/strong>\uff1a\u5ba2\u6237\u7aef\u901a\u8fc7TCP\/IP\u4e0eMQTT\u4ee3\u7406\u5efa\u7acb\u8fde\u63a5\uff0c\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\uff08\u53ef\u9009\uff09\u3002<\/li>\n\n\n\n<li><strong>\u8ba2\u9605\u4e3b\u9898<\/strong>\uff1a\u8ba2\u9605\u8005\u5411\u4ee3\u7406\u53d1\u9001\u8ba2\u9605\u8bf7\u6c42\uff0c\u6307\u5b9a\u611f\u5174\u8da3\u7684\u4e3b\u9898\u3002<\/li>\n\n\n\n<li><strong>\u53d1\u5e03\u6d88\u606f<\/strong>\uff1a\u53d1\u5e03\u8005\u5411\u4ee3\u7406\u53d1\u5e03\u6d88\u606f\uff0c\u6307\u5b9a\u76ee\u6807\u4e3b\u9898\u548cQoS\u7ea7\u522b\u3002<\/li>\n\n\n\n<li><strong>\u6d88\u606f\u5206\u53d1<\/strong>\uff1a\u4ee3\u7406\u6839\u636e\u8ba2\u9605\u5173\u7cfb\u5c06\u6d88\u606f\u5206\u53d1\u7ed9\u76f8\u5e94\u7684\u8ba2\u9605\u8005\uff0c\u786e\u4fdd\u7b26\u5408QoS\u8981\u6c42\u3002<\/li>\n\n\n\n<li><strong>\u8fde\u63a5\u65ad\u5f00<\/strong>\uff1a\u5ba2\u6237\u7aef\u53ef\u4ee5\u4e3b\u52a8\u65ad\u5f00\u8fde\u63a5\uff0c\u6216\u5728\u5f02\u5e38\u60c5\u51b5\u4e0b\u4ee3\u7406\u6839\u636e\u9057\u5631\u6d88\u606f\u5904\u7406\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">7. \u5e94\u7528\u573a\u666f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u7269\u8054\u7f51\uff08IoT\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">MQTT\u5728\u7269\u8054\u7f51\u4e2d\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4f20\u611f\u5668\u6570\u636e\u91c7\u96c6\u3001\u8bbe\u5907\u63a7\u5236\u548c\u8fdc\u7a0b\u76d1\u63a7\u7b49\u573a\u666f\uff0c\u56e0\u5176\u4f4e\u5e26\u5bbd\u3001\u9ad8\u6548\u548c\u53ef\u9760\u7684\u7279\u6027\uff0c\u7279\u522b\u9002\u5408\u5927\u89c4\u6a21\u8bbe\u5907\u90e8\u7f72\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u667a\u80fd\u5bb6\u5c45<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907\uff08\u5982\u706f\u5149\u3001\u6052\u6e29\u5668\u3001\u5b89\u5168\u6444\u50cf\u5934\uff09\u901a\u8fc7MQTT\u534f\u8bae\u4e0e\u4e2d\u592e\u63a7\u5236\u7cfb\u7edf\u901a\u4fe1\uff0c\u5b9e\u73b0\u8bbe\u5907\u95f4\u7684\u4e92\u8054\u4e92\u901a\u548c\u81ea\u52a8\u5316\u63a7\u5236\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5de5\u4e1a\u81ea\u52a8\u5316<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5de5\u4e1a\u73af\u5883\u4e2d\uff0cMQTT\u7528\u4e8e\u76d1\u63a7\u751f\u4ea7\u8bbe\u5907\u3001\u4f20\u611f\u5668\u6570\u636e\u4f20\u8f93\u548c\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u7684\u5b9e\u65f6\u901a\u4fe1\uff0c\u63d0\u5347\u751f\u4ea7\u6548\u7387\u548c\u8bbe\u5907\u7ef4\u62a4\u80fd\u529b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8f66\u8054\u7f51\uff08V2X\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f66\u8f86\u4e0e\u57fa\u7840\u8bbe\u65bd\u3001\u8f66\u8f86\u4e0e\u8f66\u8f86\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u901a\u8fc7MQTT\u5b9e\u73b0\u5b9e\u65f6\u6570\u636e\u4ea4\u6362\uff0c\u652f\u6301\u667a\u80fd\u4ea4\u901a\u7cfb\u7edf\u548c\u81ea\u52a8\u9a7e\u9a76\u6280\u672f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u79fb\u52a8\u5e94\u7528<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u79fb\u52a8\u5e94\u7528\u4f7f\u7528MQTT\u5b9e\u73b0\u5b9e\u65f6\u6d88\u606f\u4f20\u9012\uff0c\u5982\u5373\u65f6\u804a\u5929\u3001\u5b9e\u65f6\u901a\u77e5\u548c\u4f4d\u7f6e\u66f4\u65b0\uff0c\u786e\u4fdd\u5728\u7f51\u7edc\u4e0d\u7a33\u5b9a\u7684\u60c5\u51b5\u4e0b\u4fdd\u6301\u901a\u4fe1\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">8. \u4f18\u7f3a\u70b9\u5206\u6790<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f18\u70b9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8f7b\u91cf\u7ea7<\/strong>\uff1a\u9002\u5408\u8d44\u6e90\u53d7\u9650\u7684\u8bbe\u5907\u548c\u4f4e\u5e26\u5bbd\u7f51\u7edc\u3002<\/li>\n\n\n\n<li><strong>\u9ad8\u6548<\/strong>\uff1a\u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f\u51cf\u5c11\u7f51\u7edc\u6d41\u91cf\uff0c\u652f\u6301\u5b9e\u65f6\u6570\u636e\u4f20\u8f93\u3002<\/li>\n\n\n\n<li><strong>\u53ef\u9760\u6027<\/strong>\uff1a\u901a\u8fc7QoS\u673a\u5236\u786e\u4fdd\u6d88\u606f\u4f20\u9012\u7684\u53ef\u9760\u6027\u3002<\/li>\n\n\n\n<li><strong>\u7075\u6d3b\u6027<\/strong>\uff1a\u652f\u6301\u591a\u79cd\u4e3b\u9898\u8fc7\u6ee4\u3001\u4fdd\u7559\u6d88\u606f\u548c\u9057\u5631\u6d88\u606f\uff0c\u9002\u5e94\u591a\u6837\u5316\u7684\u5e94\u7528\u9700\u6c42\u3002<\/li>\n\n\n\n<li><strong>\u6613\u4e8e\u6269\u5c55<\/strong>\uff1a\u4ee3\u7406\u53ef\u4ee5\u6c34\u5e73\u6269\u5c55\uff0c\u652f\u6301\u5927\u89c4\u6a21\u8bbe\u5907\u8fde\u63a5\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u7f3a\u70b9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5355\u70b9\u6545\u969c<\/strong>\uff1a\u4f20\u7edf\u4ee3\u7406\u67b6\u6784\u5b58\u5728\u5355\u70b9\u6545\u969c\u98ce\u9669\uff0c\u9700\u901a\u8fc7\u96c6\u7fa4\u90e8\u7f72\u6216\u9ad8\u53ef\u7528\u6027\u914d\u7f6e\u6765\u89e3\u51b3\u3002<\/li>\n\n\n\n<li><strong>\u5b89\u5168\u6027\u6311\u6218<\/strong>\uff1a\u9700\u8981\u989d\u5916\u914d\u7f6e\u5b89\u5168\u673a\u5236\uff08\u5982TLS\u3001\u8ba4\u8bc1\uff09\u4ee5\u4fdd\u62a4\u901a\u4fe1\u5b89\u5168\u3002<\/li>\n\n\n\n<li><strong>\u4e0d\u9002\u5408\u8bf7\u6c42\/\u54cd\u5e94\u6a21\u5f0f<\/strong>\uff1a\u4e3b\u8981\u8bbe\u8ba1\u4e3a\u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f\uff0c\u4e0d\u9002\u5408\u590d\u6742\u7684\u8bf7\u6c42\/\u54cd\u5e94\u4ea4\u4e92\u3002<\/li>\n\n\n\n<li><strong>\u6709\u9650\u7684\u6d88\u606f\u8def\u7531\u80fd\u529b<\/strong>\uff1a\u4e3b\u9898\u8fc7\u6ee4\u673a\u5236\u8f83\u4e3a\u7b80\u5355\uff0c\u590d\u6742\u7684\u6d88\u606f\u8def\u7531\u9700\u4f9d\u8d56\u5916\u90e8\u7cfb\u7edf\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">9. MQTT\u7684\u5b89\u5168\u6027<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u8eab\u4efd\u9a8c\u8bc1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">MQTT\u652f\u6301\u57fa\u4e8e\u7528\u6237\u540d\u548c\u5bc6\u7801\u7684\u8eab\u4efd\u9a8c\u8bc1\uff0c\u786e\u4fdd\u53ea\u6709\u6388\u6743\u7684\u5ba2\u6237\u7aef\u53ef\u4ee5\u8fde\u63a5\u5230\u4ee3\u7406\u3002\u90e8\u5206\u5b9e\u73b0\u8fd8\u652f\u6301\u57fa\u4e8e\u8bc1\u4e66\u7684\u53cc\u5411SSL\/TLS\u8ba4\u8bc1\uff0c\u8fdb\u4e00\u6b65\u589e\u5f3a\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u52a0\u5bc6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7SSL\/TLS\u52a0\u5bc6\u901a\u4fe1\uff0c\u4fdd\u62a4\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u673a\u5bc6\u6027\u548c\u5b8c\u6574\u6027\uff0c\u9632\u6b62\u4e2d\u95f4\u4eba\u653b\u51fb\u548c\u6570\u636e\u6cc4\u9732\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6388\u6743<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee3\u7406\u901a\u5e38\u652f\u6301\u57fa\u4e8e\u89d2\u8272\u7684\u8bbf\u95ee\u63a7\u5236\uff08RBAC\uff09\uff0c\u5b9a\u4e49\u4e0d\u540c\u5ba2\u6237\u7aef\u5bf9\u4e3b\u9898\u7684\u8ba2\u9605\u548c\u53d1\u5e03\u6743\u9650\uff0c\u9632\u6b62\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u548c\u64cd\u4f5c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5176\u4ed6\u5b89\u5168\u63aa\u65bd<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9632\u706b\u5899\u4e0e\u7f51\u7edc\u9694\u79bb<\/strong>\uff1a\u5728\u4ee3\u7406\u90e8\u7f72\u65f6\uff0c\u7ed3\u5408\u9632\u706b\u5899\u548c\u7f51\u7edc\u9694\u79bb\u63aa\u65bd\uff0c\u51cf\u5c11\u6f5c\u5728\u7684\u653b\u51fb\u9762\u3002<\/li>\n\n\n\n<li><strong>\u76d1\u63a7\u4e0e\u65e5\u5fd7\u8bb0\u5f55<\/strong>\uff1a\u5b9e\u65f6\u76d1\u63a7\u4ee3\u7406\u7684\u6d3b\u52a8\uff0c\u8bb0\u5f55\u65e5\u5fd7\u4ee5\u4fbf\u5ba1\u8ba1\u548c\u95ee\u9898\u6392\u67e5\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">10. MQTT\u4e0e\u5176\u4ed6\u534f\u8bae\u6bd4\u8f83<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">MQTT vs HTTP<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u6027<\/th><th>MQTT<\/th><th>HTTP<\/th><\/tr><\/thead><tbody><tr><td>\u901a\u4fe1\u6a21\u5f0f<\/td><td>\u53d1\u5e03\/\u8ba2\u9605<\/td><td>\u8bf7\u6c42\/\u54cd\u5e94<\/td><\/tr><tr><td>\u5e26\u5bbd\u6d88\u8017<\/td><td>\u4f4e<\/td><td>\u8f83\u9ad8<\/td><\/tr><tr><td>\u5b9e\u65f6\u6027<\/td><td>\u9ad8<\/td><td>\u53d6\u51b3\u4e8e\u8bf7\u6c42\u9891\u7387<\/td><\/tr><tr><td>\u6301\u4e45\u8fde\u63a5<\/td><td>\u662f<\/td><td>\u901a\u5e38\u662f\u77ed\u8fde\u63a5<\/td><\/tr><tr><td>\u9002\u7528\u573a\u666f<\/td><td>\u7269\u8054\u7f51\u3001\u5b9e\u65f6\u6570\u636e\u4f20\u8f93<\/td><td>Web\u5e94\u7528\u3001\u6587\u4ef6\u4f20\u8f93<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u603b\u7ed3<\/strong>\uff1aMQTT\u66f4\u9002\u5408\u9700\u8981\u5b9e\u65f6\u3001\u9ad8\u6548\u3001\u4f4e\u5e26\u5bbd\u901a\u4fe1\u7684\u7269\u8054\u7f51\u5e94\u7528\uff0c\u800cHTTP\u9002\u7528\u4e8e\u4f20\u7edf\u7684Web\u901a\u4fe1\u548c\u6587\u4ef6\u4f20\u8f93\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">MQTT vs CoAP<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u6027<\/th><th>MQTT<\/th><th>CoAP<\/th><\/tr><\/thead><tbody><tr><td>\u534f\u8bae\u5c42\u6b21<\/td><td>\u5e94\u7528\u5c42<\/td><td>\u5e94\u7528\u5c42<\/td><\/tr><tr><td>\u901a\u4fe1\u6a21\u5f0f<\/td><td>\u53d1\u5e03\/\u8ba2\u9605<\/td><td>\u8bf7\u6c42\/\u54cd\u5e94<\/td><\/tr><tr><td>\u57fa\u4e8e\u7684\u4f20\u8f93\u534f\u8bae<\/td><td>TCP\/IP<\/td><td>UDP<\/td><\/tr><tr><td>\u5b9e\u65f6\u6027<\/td><td>\u9002\u4e2d<\/td><td>\u9ad8<\/td><\/tr><tr><td>\u8d44\u6e90\u6d88\u8017<\/td><td>\u8f83\u4f4e<\/td><td>\u6781\u4f4e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u603b\u7ed3<\/strong>\uff1aMQTT\u57fa\u4e8eTCP\uff0c\u9002\u7528\u4e8e\u53ef\u9760\u6027\u8981\u6c42\u9ad8\u7684\u573a\u666f\uff1bCoAP\u57fa\u4e8eUDP\uff0c\u9002\u5408\u8d44\u6e90\u6781\u4e3a\u53d7\u9650\u548c\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">MQTT vs AMQP<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u6027<\/th><th>MQTT<\/th><th>AMQP<\/th><\/tr><\/thead><tbody><tr><td>\u590d\u6742\u6027<\/td><td>\u7b80\u5355\u3001\u8f7b\u91cf\u7ea7<\/td><td>\u590d\u6742\u3001\u529f\u80fd\u4e30\u5bcc<\/td><\/tr><tr><td>\u76ee\u6807\u5e94\u7528<\/td><td>\u7269\u8054\u7f51\u3001\u5b9e\u65f6\u6d88\u606f\u4f20\u8f93<\/td><td>\u4f01\u4e1a\u7ea7\u6d88\u606f\u4e2d\u95f4\u4ef6\u3001\u590d\u6742\u7684\u6d88\u606f\u8def\u7531\u548c\u4e8b\u52a1\u5904\u7406<\/td><\/tr><tr><td>\u529f\u80fd<\/td><td>\u57fa\u672c\u7684\u53d1\u5e03\/\u8ba2\u9605\u3001QoS\u63a7\u5236<\/td><td>\u590d\u6742\u7684\u6d88\u606f\u8def\u7531\u3001\u4e8b\u52a1\u5904\u7406\u3001\u961f\u5217\u7ba1\u7406\u3001\u591a\u79cd\u6d88\u606f\u6a21\u5f0f<\/td><\/tr><tr><td>\u6027\u80fd<\/td><td>\u9ad8\u6548\u3001\u4f4e\u5e26\u5bbd\u6d88\u8017<\/td><td>\u529f\u80fd\u4e30\u5bcc\u4f46\u76f8\u5bf9\u66f4\u9ad8\u7684\u5e26\u5bbd\u548c\u8d44\u6e90\u6d88\u8017<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u603b\u7ed3<\/strong>\uff1aMQTT\u9002\u5408\u8f7b\u91cf\u7ea7\u7269\u8054\u7f51\u5e94\u7528\uff0cAMQP\u9002\u7528\u4e8e\u9700\u8981\u590d\u6742\u6d88\u606f\u5904\u7406\u548c\u4f01\u4e1a\u7ea7\u529f\u80fd\u7684\u573a\u666f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">11. \u5e38\u7528\u5de5\u5177\u4e0e\u5e93<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">MQTT\u4ee3\u7406\uff08Broker\uff09<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Eclipse Mosquitto<\/strong>\uff1a\u5f00\u6e90\u3001\u8f7b\u91cf\u7ea7\u7684MQTT\u4ee3\u7406\uff0c\u652f\u6301MQTT 3.1\u548c3.1.1\u7248\u672c\u3002<\/li>\n\n\n\n<li><strong>EMQX<\/strong>\uff1a\u9ad8\u6027\u80fd\u3001\u5206\u5e03\u5f0f\u7684MQTT\u4ee3\u7406\uff0c\u652f\u6301\u5927\u89c4\u6a21\u8bbe\u5907\u8fde\u63a5\uff0c\u517c\u5bb9MQTT 5.0\u3002<\/li>\n\n\n\n<li><strong>HiveMQ<\/strong>\uff1a\u5546\u4e1a\u5316\u7684MQTT\u4ee3\u7406\uff0c\u63d0\u4f9b\u4f01\u4e1a\u7ea7\u529f\u80fd\u548c\u652f\u6301\u3002<\/li>\n\n\n\n<li><strong>VerneMQ<\/strong>\uff1a\u5f00\u6e90\u3001\u53ef\u6269\u5c55\u7684MQTT\u4ee3\u7406\uff0c\u652f\u6301\u9ad8\u53ef\u7528\u6027\u548c\u96c6\u7fa4\u90e8\u7f72\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">MQTT\u5ba2\u6237\u7aef\u5e93<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Paho<\/strong>\uff1a\u7531Eclipse\u57fa\u91d1\u4f1a\u7ef4\u62a4\uff0c\u652f\u6301\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00\uff0c\u5982Java\u3001Python\u3001C\u3001JavaScript\u7b49\u3002<\/li>\n\n\n\n<li><strong>MQTT.js<\/strong>\uff1a\u57fa\u4e8eNode.js\u7684MQTT\u5ba2\u6237\u7aef\u5e93\uff0c\u9002\u7528\u4e8eWeb\u548c\u670d\u52a1\u5668\u7aef\u5e94\u7528\u3002<\/li>\n\n\n\n<li><strong>Mosquitto Client Libraries<\/strong>\uff1aEclipse Mosquitto\u63d0\u4f9b\u7684C\u8bed\u8a00\u5ba2\u6237\u7aef\u5e93\uff0c\u9002\u7528\u4e8e\u5d4c\u5165\u5f0f\u7cfb\u7edf\u3002<\/li>\n\n\n\n<li><strong>AsyncMQTT<\/strong>\uff1a\u9002\u7528\u4e8eArduino\u548cESP8266\/ESP32\u7b49\u5fae\u63a7\u5236\u5668\u7684\u8f7b\u91cf\u7ea7MQTT\u5ba2\u6237\u7aef\u5e93\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">MQTT\u6d4b\u8bd5\u4e0e\u8c03\u8bd5\u5de5\u5177<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>MQTT Explorer<\/strong>\uff1a\u53ef\u89c6\u5316\u7684MQTT\u5ba2\u6237\u7aef\uff0c\u652f\u6301\u6d4f\u89c8\u548c\u7ba1\u7406\u4e3b\u9898\u3001\u6d88\u606f\u3002<\/li>\n\n\n\n<li><strong>MQTT.fx<\/strong>\uff1a\u529f\u80fd\u4e30\u5bcc\u7684MQTT\u5ba2\u6237\u7aef\uff0c\u652f\u6301\u53d1\u5e03\u3001\u8ba2\u9605\u3001\u8c03\u8bd5\u3002<\/li>\n\n\n\n<li><strong>HiveMQ Web UI<\/strong>\uff1aHiveMQ\u63d0\u4f9b\u7684Web\u754c\u9762\uff0c\u7528\u4e8e\u7ba1\u7406\u548c\u76d1\u63a7MQTT\u4ee3\u7406\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">12. \u5b9e\u8df5\u4e2d\u7684MQTT<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u8bbe\u7f6eMQTT\u4ee3\u7406<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5Eclipse Mosquitto\u4e3a\u4f8b\uff0c\u4ee5\u4e0b\u662f\u5728Ubuntu\u7cfb\u7edf\u4e0a\u5b89\u88c5\u548c\u914d\u7f6eMosquitto\u7684\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5b89\u88c5Mosquitto<\/strong>\uff1a<code>sudo apt update sudo apt install mosquitto mosquitto-clients<\/code><\/li>\n\n\n\n<li><strong>\u542f\u52a8Mosquitto\u670d\u52a1<\/strong>\uff1a<code>sudo systemctl start mosquitto sudo systemctl enable mosquitto<\/code><\/li>\n\n\n\n<li><strong>\u914d\u7f6eMosquitto<\/strong>\uff1a \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<code>\/etc\/mosquitto\/mosquitto.conf<\/code>\uff0c\u6dfb\u52a0\u5fc5\u8981\u7684\u914d\u7f6e\uff0c\u5982\u542f\u7528\u8ba4\u8bc1\u3001TLS\u52a0\u5bc6\u7b49\u3002<\/li>\n\n\n\n<li><strong>\u6d4b\u8bd5\u4ee3\u7406<\/strong>\uff1a \u6253\u5f00\u4e24\u4e2a\u7ec8\u7aef\uff0c\u4e00\u4e2a\u8ba2\u9605\u4e3b\u9898\uff0c\u4e00\u4e2a\u53d1\u5e03\u6d88\u606f\u3002\n<ul class=\"wp-block-list\">\n<li>\u8ba2\u9605\uff1a<code>mosquitto_sub -h localhost -t \"test\/topic\"<\/code><\/li>\n\n\n\n<li>\u53d1\u5e03\uff1a<code>mosquitto_pub -h localhost -t \"test\/topic\" -m \"Hello MQTT\"<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9e\u73b0MQTT\u5ba2\u6237\u7aef<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5Python\u4e3a\u4f8b\uff0c\u4f7f\u7528Paho MQTT\u5ba2\u6237\u7aef\u5e93\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>\u5b89\u88c5Paho MQTT\u5e93<\/strong>\uff1a<code>pip install paho-mqtt<\/code><\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>\u7f16\u5199\u53d1\u5e03\u8005\u4ee3\u7801<\/strong>\uff1a\nimport paho.mqtt.client as mqtt\n\nbroker = 'localhost'\nport = 1883\ntopic = 'test\/topic'\nmessage = 'Hello MQTT from Python'\n\nclient = mqtt.Client()\nclient.connect(broker, port)\nclient.publish(topic, message)\nclient.disconnect()\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>\u7f16\u5199\u8ba2\u9605\u8005\u4ee3\u7801<\/strong>\uff1a\nimport paho.mqtt.client as mqtt\n\nbroker = 'localhost'\nport = 1883\ntopic = 'test\/topic'\n\ndef on_connect(client, userdata, flags, rc):\n    print(f\"Connected with result code {rc}\")\n    client.subscribe(topic)\n\ndef on_message(client, userdata, msg):\n    print(f\"Received message: {msg.payload.decode()} on topic {msg.topic}\")\n\nclient = mqtt.Client()\nclient.on_connect = on_connect\nclient.on_message = on_message\n\nclient.connect(broker, port)\nclient.loop_forever()\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9e\u73b0\u5b89\u5168\u7684MQTT\u901a\u4fe1<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u751f\u6210SSL\/TLS\u8bc1\u4e66<\/strong>\uff1a \u4f7f\u7528\u5de5\u5177\u5982OpenSSL\u751f\u6210CA\u8bc1\u4e66\u3001\u670d\u52a1\u5668\u8bc1\u4e66\u548c\u5ba2\u6237\u7aef\u8bc1\u4e66\u3002<\/li>\n\n\n\n<li><strong>\u914d\u7f6e\u4ee3\u7406\u4f7f\u7528TLS<\/strong>\uff1a \u7f16\u8f91Mosquitto\u914d\u7f6e\u6587\u4ef6\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u914d\u7f6e\uff1a<code>listener 8883 cafile \/path\/to\/ca.crt certfile \/path\/to\/server.crt keyfile \/path\/to\/server.key<\/code><\/li>\n\n\n\n<li><strong>\u914d\u7f6e\u5ba2\u6237\u7aef\u4f7f\u7528TLS<\/strong>\uff1a \u5728\u5ba2\u6237\u7aef\u4ee3\u7801\u4e2d\uff0c\u914d\u7f6eSSL\u53c2\u6570\uff1a<code>client.tls_set(ca_certs=\"\/path\/to\/ca.crt\", certfile=\"\/path\/to\/client.crt\", keyfile=\"\/path\/to\/client.key\") client.connect(broker, 8883)<\/code><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">13. MQTT\u7684\u672a\u6765\u53d1\u5c55<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u968f\u7740\u7269\u8054\u7f51\u548c\u8fb9\u7f18\u8ba1\u7b97\u7684\u5feb\u901f\u53d1\u5c55\uff0cMQTT\u5c06\u7ee7\u7eed\u6f14\u5316\u4ee5\u6ee1\u8db3\u66f4\u590d\u6742\u548c\u591a\u6837\u5316\u7684\u9700\u6c42\u3002\u672a\u6765\u7684\u53d1\u5c55\u8d8b\u52bf\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u66f4\u9ad8\u7684\u5b89\u5168\u6027<\/strong>\uff1a\u52a0\u5f3a\u534f\u8bae\u7684\u5185\u7f6e\u5b89\u5168\u7279\u6027\uff0c\u652f\u6301\u66f4\u5f3a\u5927\u7684\u8ba4\u8bc1\u548c\u52a0\u5bc6\u673a\u5236\u3002<\/li>\n\n\n\n<li><strong>\u66f4\u9ad8\u7684\u6027\u80fd\u4e0e\u6269\u5c55\u6027<\/strong>\uff1a\u4f18\u5316\u534f\u8bae\u4ee5\u652f\u6301\u66f4\u5927\u89c4\u6a21\u7684\u8bbe\u5907\u8fde\u63a5\u548c\u66f4\u9ad8\u7684\u6d88\u606f\u4f20\u8f93\u901f\u7387\u3002<\/li>\n\n\n\n<li><strong>\u589e\u5f3a\u7684QoS\u4e0e\u53ef\u9760\u6027<\/strong>\uff1a\u5f15\u5165\u66f4\u7ec6\u7c92\u5ea6\u7684\u670d\u52a1\u8d28\u91cf\u63a7\u5236\u548c\u66f4\u53ef\u9760\u7684\u6d88\u606f\u4f20\u9012\u673a\u5236\u3002<\/li>\n\n\n\n<li><strong>\u96c6\u6210\u8fb9\u7f18\u8ba1\u7b97<\/strong>\uff1a\u4e0e\u8fb9\u7f18\u8ba1\u7b97\u6846\u67b6\u66f4\u7d27\u5bc6\u96c6\u6210\uff0c\u652f\u6301\u5728\u8fb9\u7f18\u8282\u70b9\u4e0a\u8fdb\u884c\u66f4\u667a\u80fd\u7684\u6570\u636e\u5904\u7406\u548c\u51b3\u7b56\u3002<\/li>\n\n\n\n<li><strong>\u652f\u6301\u65b0\u7684\u5e94\u7528\u573a\u666f<\/strong>\uff1a\u9002\u5e94\u667a\u80fd\u4ea4\u901a\u3001\u667a\u6167\u57ce\u5e02\u3001\u5de5\u4e1a4.0\u7b49\u65b0\u5174\u5e94\u7528\u9886\u57df\u7684\u9700\u6c42\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">14. \u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">MQTT\u4f5c\u4e3a\u4e00\u79cd\u8f7b\u91cf\u7ea7\u3001\u9ad8\u6548\u4e14\u53ef\u9760\u7684\u6d88\u606f\u4f20\u8f93\u534f\u8bae\uff0c\u5df2\u6210\u4e3a\u7269\u8054\u7f51\u548c\u5b9e\u65f6\u6570\u636e\u4f20\u8f93\u7684\u9996\u9009\u65b9\u6848\u3002\u5176\u7b80\u6d01\u7684\u8bbe\u8ba1\u548c\u7075\u6d3b\u7684\u529f\u80fd\u4f7f\u5176\u9002\u7528\u4e8e\u5404\u79cd\u5e94\u7528\u573a\u666f\uff0c\u4ece\u8d44\u6e90\u53d7\u9650\u7684\u5d4c\u5165\u5f0f\u8bbe\u5907\u5230\u5927\u89c4\u6a21\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\u3002\u901a\u8fc7\u6301\u7eed\u7684\u6f14\u8fdb\u548c\u793e\u533a\u7684\u652f\u6301\uff0cMQTT\u5c06\u7ee7\u7eed\u5728\u672a\u6765\u7684\u7269\u8054\u7f51\u751f\u6001\u7cfb\u7edf\u4e2d\u53d1\u6325\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MQTT\uff08Message Queuing Telemetry Trans&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-168","post","type-post","status-publish","format-standard","hentry","category-6"],"views":1866,"_links":{"self":[{"href":"https:\/\/www.armfun.cn\/index.php?rest_route=\/wp\/v2\/posts\/168","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.armfun.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.armfun.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.armfun.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.armfun.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=168"}],"version-history":[{"count":1,"href":"https:\/\/www.armfun.cn\/index.php?rest_route=\/wp\/v2\/posts\/168\/revisions"}],"predecessor-version":[{"id":169,"href":"https:\/\/www.armfun.cn\/index.php?rest_route=\/wp\/v2\/posts\/168\/revisions\/169"}],"wp:attachment":[{"href":"https:\/\/www.armfun.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.armfun.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=168"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.armfun.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}