{"id":8975,"date":"2025-04-18T17:03:07","date_gmt":"2025-04-18T09:03:07","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/8975.html"},"modified":"2025-04-18T17:03:07","modified_gmt":"2025-04-18T09:03:07","slug":"windows%e4%b8%8a%e5%ae%89%e8%a3%85emqx%e4%bd%9c%e4%b8%bamqtt%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%bb%a5%e5%8f%8a%e9%85%8d%e7%bd%aemqttx%e5%ae%a2%e6%88%b7%e7%ab%af","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/8975.html","title":{"rendered":"Windows\u4e0a\u5b89\u88c5EMQX\u4f5c\u4e3aMQTT\u670d\u52a1\u5668\u4ee5\u53ca\u914d\u7f6eMQTTX\u5ba2\u6237\u7aef"},"content":{"rendered":"

\u4e00\u3001\u5b89\u88c5EMQX MQTT\u670d\u52a1\u5668<\/h2>\n

EMQX \u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u3001\u53ef\u6269\u5c55\u7684\u7269\u8054\u7f51\u6d88\u606f\u4e2d\u95f4\u4ef6，EMQX \u5b9e\u73b0\u4e86 MQTT \u534f\u8bae\u7684\u670d\u52a1\u5668\u7aef，\u5373 MQTT Broker，\u5b83\u8d1f\u8d23\u63a5\u6536\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42，\u5904\u7406\u8ba2\u9605\u3001\u53d1\u5e03\u6d88\u606f，\u5e76\u5c06\u6d88\u606f\u8f6c\u53d1\u7ed9\u76f8\u5e94\u7684\u8ba2\u9605\u8005\u3002<\/p>\n

\u4e0b\u8f7dEMQX<\/p>\n

EMQX\u5b98\u65b9\u7f51\u7ad9 https:\/\/www.emqx.com\/zh\/try?product=broker \u63d0\u4f9b\u4e86EMQX\u5f00\u6e90\u7248\u8f6f\u4ef6\u5305<\/p>\n

\u4f46\u662f5.3.2\u7248\u672c\u4ee5\u540e\u5c31\u6ca1\u6709\u63d0\u4f9bWindows\u7cfb\u7edf\u8f6f\u4ef6\u5305，\u9700\u8981\u5230\u8fd9\u91cc\u4e0b\u8f7dhttps:\/\/www.emqx.com\/zh\/downloads\/broker<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u89e3\u538b<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u914d\u7f6eEMQX，EMQX\u7684\u914d\u7f6e\u6587\u4ef6\u4f4d\u4e8eetc\\\\emqx.conf，\u53ef\u4ee5\u6839\u636e\u9700\u8981\u4fee\u6539\u914d\u7f6e\u6587\u4ef6，\u4f8b\u5982\u66f4\u6539\u7aef\u53e3\u53f7\u3001\u6dfb\u52a0\u63d2\u4ef6\u7b49<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u542f\u52a8EMQX，\u8fdb\u5165\\\\bin\u76ee\u5f55\u4e0b，\u542f\u52a8cmd\u8f93\u5165emqx start<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u68c0\u67e5\u542f\u52a8\u72b6\u6001emqx_ctl status \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u53ef\u4ee5\u5728\u4efb\u52a1\u7ba1\u7406\u5668\u4e2d\u770b\u5230erl.exe\u662f\u5426\u8fd0\u884c<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u8bbf\u95eeEMQX Dashboard，\u542f\u52a8EMQX \u540e，\u8fdb\u5165http:\/\/127.0.0.1:18083\u4e2d，\u5e10\u53f7admin，\u5bc6\u7801public 8083 MQTT\/WebSocket \u7aef\u53e3 18083 EMQX Dashboard \u7ba1\u7406\u63a7\u5236\u53f0\u7aef\u53e3 \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u767b\u5f55\u540e\u53f3\u4e0a\u89d2\u8bbe\u7f6e，\u53ef\u4ee5\u5207\u6362\u6210\u7b80\u4f53\u4e2d\u6587<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u53f3\u4fa7\u680f\u7b2c\u4e00\u4e2a\u83dc\u5355，\u53ef\u67e5\u770b\u96c6\u7fa4\u6982\u89c8<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u53f3\u4fa7\u680f\u7b2c\u4e8c\u4e2a\u83dc\u5355，\u9009\u62e9\u5ba2\u6237\u7aef\u8ba4\u8bc1，\u521b\u5efa\u5ba2\u6237\u7aef\u8ba4\u8bc1，\u9009\u62e9\u5185\u7f6e\u6570\u636e\u5e93，\u9ed8\u8ba4\u53c2\u6570\u914d\u7f6e<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u9009\u62e9\u7528\u6237\u7ba1\u7406，\u6dfb\u52a0\u7528\u6237\u8d26\u53f7：admin \u5bc6\u7801：public<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u4e8c\u3001\u5b89\u88c5\u53ca\u914d\u7f6eMQTTX\u5ba2\u6237\u7aef<\/h2>\n

MQTTX \u5219\u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684 MQTT \u5ba2\u6237\u7aef\u5de5\u5177，\u4e3b\u8981\u7528\u4e8e\u6d4b\u8bd5\u548c\u8c03\u8bd5 MQTT \u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n

\u4e0b\u8f7dMQTTX<\/p>\n

\u8bbf\u95eeMQTTX\u7684\u5b98\u65b9\u4e0b\u8f7d\u9875\u9762https:\/\/mqttx.app\/zh<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u53cc\u51fb\u4e0b\u8f7d\u7684exe\u6587\u4ef6，\u9009\u62e9\u5b89\u88c5\u76ee\u5f55\u5e76\u70b9\u51fb\u5b8c\u6210<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u914d\u7f6e\u8fde\u63a5\u5230EMQX<\/p>\n

\u5728MQTTX\u4e2d\u70b9\u51fb\u201c+\u201d\u6dfb\u52a0\u65b0\u7684\u8fde\u63a5，\u8f93\u5165\u8fde\u63a5\u540d\u79f0，\u5982\u201cEMQX Server\u201d，\u670d\u52a1\u5668\u5730\u5740\u586b\u5199\u4e3a localhost \u6216\u4f60\u7684EMQX\u670d\u52a1\u5668\u7684\u5b9e\u9645IP\u5730\u5740，\u7aef\u53e3\u9ed8\u8ba4\u4e3a 1883，\u5982\u679cEMQX\u914d\u7f6e\u4e86SSL\/TLS，\u5e94\u4f7f\u7528 8883，\u8f93\u5165\u7528\u6237\u540d\u548c\u5bc6\u7801（\u5982\u679cEMQX\u914d\u7f6e\u4e86\u8ba4\u8bc1）<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u70b9\u51fb\u8fde\u63a5，\u53ef\u4ee5\u5f00\u59cb\u8ba2\u9605\u4e3b\u9898\u3001\u53d1\u5e03\u6d88\u606f\u7b49\u64cd\u4f5c\u6765\u6d4b\u8bd5MQTT\u901a\u4fe1\u3002 \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u5728EMQX Dashboard\u53ef\u4ee5\u770b\u5230\u5ba2\u6237\u7aef\u5df2\u7ecf\u8fde\u63a5\u6210\u529f\u3002 \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u8fdb\u5165\u5230WebSocket \u5ba2\u6237\u7aef，\u53ef\u4ee5\u8fdb\u884c\u8ba2\u9605\u548c\u53d1\u5e03\u7684\u6d4b\u8bd5 \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u4e09\u3001EMQX\u76ee\u5f55\u7ed3\u6784<\/h2>\n

\u5f15\u7528\u81ea：https:\/\/www.cnblogs.com\/yking\/p\/15702684.html<\/p>\n

\u4e0d\u540c\u5b89\u88c5\u65b9\u5f0f\u5f97\u5230\u7684 EMQ X \u5176\u76ee\u5f55\u7ed3\u6784\u4f1a\u6709\u6240\u4e0d\u540c，\u5177\u4f53\u5982\u4e0b：<\/p>\n\n\u63cf\u8ff0\u4f7f\u7528 ZIP \u538b\u7f29\u5305\u5b89\u88c5\u4f7f\u7528\u4e8c\u8fdb\u5236\u5305\u5b89\u88c5Homebrew(MacOS)\u5b89\u88c5<\/tr>\n\n\n\n\n\n\n\n\n
\u53ef\u6267\u884c\u6587\u4ef6\u76ee\u5f55<\/td>\n.\/bin<\/td>\n\/usr\/lib\/emqx\/bin<\/td>\n\/usr\/local\/bin<\/td>\n<\/tr>\n
\u6570\u636e\u6587\u4ef6<\/td>\n.\/data<\/td>\n\/var\/lib\/emqx\/data<\/td>\n\/usr\/local\/Cellar\/emqx\/*\/data<\/td>\n<\/tr>\n
Erlang \u865a\u62df\u673a\u6587\u4ef6<\/td>\n.\/erts-*<\/td>\n\/usr\/lib\/emqx\/erts-*<\/td>\n\/usr\/local\/Cellar\/emqx\/*\/erts-<\/td>\n<\/tr>\n
\u914d\u7f6e\u6587\u4ef6\u76ee\u5f55<\/td>\n.\/etc<\/td>\n\/etc\/emqx\/etc<\/td>\n\/usr\/local\/Cellar\/emqx\/*\/etc<\/td>\n<\/tr>\n
\u4f9d\u8d56\u9879\u76ee\u5f55<\/td>\n.\/lib<\/td>\n\/usr\/lib\/emqx\/lib<\/td>\n\/usr\/local\/Cellar\/emqx\/*\/lib<\/td>\n<\/tr>\n
\u65e5\u5fd7\u6587\u4ef6<\/td>\n.\/log<\/td>\n\/var\/log\/emqx<\/td>\n\/usr\/local\/Cellar\/emqx\/*\/log<\/td>\n<\/tr>\n
\u542f\u52a8\u76f8\u5173\u7684\u811a\u672c\u3001schema \u6587\u4ef6<\/td>\n.\/releases<\/td>\n\/usr\/lib\/emqx\/releases<\/td>\n\/usr\/local\/Cellar\/emqx\/*\/releases<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u4ee5\u4e0a\u76ee\u5f55\u4e2d，\u7528\u6237\u7ecf\u5e38\u63a5\u89e6\u4e0e\u4f7f\u7528\u7684\u662f bin\u3001etc\u3001data\u3001log \u76ee\u5f55\u3002<\/p>\n

bin \u76ee\u5f55<\/h3>\n

emqx\u3001emqx.cmd<\/p>\n

EMQX \u7684\u53ef\u6267\u884c\u6587\u4ef6，\u5177\u4f53\u4f7f\u7528\u53ef\u4ee5\u67e5\u770b \u57fa\u672c\u547d\u4ee4\u3002<\/p>\n

emqx_ctl\u3001emqx_ctl.cmd<\/p>\n

EMQX \u7ba1\u7406\u547d\u4ee4\u7684\u53ef\u6267\u884c\u6587\u4ef6，\u5177\u4f53\u4f7f\u7528\u53ef\u4ee5\u67e5\u770b \u7ba1\u7406\u547d\u4ee4 CLI\u3002<\/p>\n

etc \u76ee\u5f55<\/h3>\n

EMQX \u901a\u8fc7 etc \u76ee\u5f55\u4e0b\u914d\u7f6e\u6587\u4ef6\u8fdb\u884c\u8bbe\u7f6e，\u4e3b\u8981\u914d\u7f6e\u6587\u4ef6\u5305\u62ec:<\/p>\n\n\u914d\u7f6e\u6587\u4ef6\u8bf4\u660e<\/tr>\n\n\n\n\n\n\n
emqx.conf<\/td>\nEMQX \u914d\u7f6e\u6587\u4ef6<\/td>\n<\/tr>\n
acl.conf<\/td>\nEMQX \u9ed8\u8ba4 ACL \u89c4\u5219\u914d\u7f6e\u6587\u4ef6<\/td>\n<\/tr>\n
plugins\/*.conf<\/td>\nEMQX \u5404\u7c7b\u63d2\u4ef6\u914d\u7f6e\u6587\u4ef6<\/td>\n<\/tr>\n
certs<\/td>\nEMQX SSL \u8bc1\u4e66\u6587\u4ef6<\/td>\n<\/tr>\n
emqx.lic<\/td>\nLicense \u6587\u4ef6\u4ec5\u9650 EMQX Enterprise<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

EMQX \u5177\u4f53\u7684\u914d\u7f6e\u5185\u5bb9\u53ef\u4ee5\u67e5\u770b \u914d\u7f6e\u9879\u3002<\/p>\n

data \u76ee\u5f55<\/h3>\n

EMQX \u5c06\u8fd0\u884c\u6570\u636e\u5b58\u50a8\u5728 data \u76ee\u5f55\u4e0b，\u4e3b\u8981\u7684\u6587\u4ef6\u5305\u62ec:<\/p>\n

configs\/app.*.config<\/p>\n

EMQX \u8bfb\u53d6 etc\/emqx.conf \u548c etc\/plugins\/*.conf \u4e2d\u7684\u914d\u7f6e\u540e，\u8f6c\u6362\u4e3a Erlang \u539f\u751f\u914d\u7f6e\u6587\u4ef6\u683c\u5f0f，\u5e76\u5728\u8fd0\u884c\u65f6\u8bfb\u53d6\u5176\u4e2d\u7684\u914d\u7f6e\u3002<\/p>\n

loaded_plugins<\/p>\n

loaded_plugins \u6587\u4ef6\u8bb0\u5f55\u4e86 EMQ X \u9ed8\u8ba4\u542f\u52a8\u7684\u63d2\u4ef6\u5217\u8868，\u53ef\u4ee5\u4fee\u6539\u6b64\u6587\u4ef6\u4ee5\u589e\u5220\u9ed8\u8ba4\u542f\u52a8\u7684\u63d2\u4ef6\u3002loaded_plugins \u4e2d\u542f\u52a8\u9879\u683c\u5f0f\u4e3a {<Plugin Name>, <Enabled>}.，<Enabled> \u5b57\u6bb5\u4e3a\u5e03\u5c14\u7c7b\u578b，EMQX \u4f1a\u5728\u542f\u52a8\u65f6\u6839\u636e <Enabled> \u7684\u503c\u5224\u65ad\u662f\u5426\u9700\u8981\u542f\u52a8\u8be5\u63d2\u4ef6\u3002\u5173\u4e8e\u63d2\u4ef6\u7684\u66f4\u591a\u5185\u5bb9，\u8bf7\u67e5\u770b \u63d2\u4ef6\u3002<\/p>\n

$ cat<\/span> loaded_plugins
\n{<\/span>emqx_management,true}<\/span>.
\n{<\/span>emqx_recon,true}<\/span>.
\n{<\/span>emqx_retainer,true}<\/span>.
\n{<\/span>emqx_dashboard,true}<\/span>.
\n{<\/span>emqx_rule_engine,true}<\/span>.
\n{<\/span>emqx_bridge_mqtt,false}<\/span>.<\/p>\n

Mnesia<\/p>\n

Mnesia \u6570\u636e\u5e93\u662f Erlang \u5185\u7f6e\u7684\u4e00\u4e2a\u5206\u5e03\u5f0f DBMS，\u53ef\u4ee5\u76f4\u63a5\u5b58\u50a8 Erlang \u7684\u5404\u79cd\u6570\u636e\u7ed3\u6784\u3002<\/p>\n

EMQX \u4f7f\u7528 Mnesia \u6570\u636e\u5e93\u5b58\u50a8\u81ea\u8eab\u8fd0\u884c\u6570\u636e，\u4f8b\u5982\u544a\u8b66\u8bb0\u5f55\u3001\u89c4\u5219\u5f15\u64ce\u5df2\u521b\u5efa\u7684\u8d44\u6e90\u548c\u89c4\u5219\u3001Dashbaord \u7528\u6237\u4fe1\u606f\u7b49\u6570\u636e，\u8fd9\u4e9b\u6570\u636e\u90fd\u5c06\u88ab\u5b58\u50a8\u5728 mnesia \u76ee\u5f55\u4e0b，\u56e0\u6b64\u4e00\u65e6\u5220\u9664\u8be5\u76ee\u5f55，\u5c06\u5bfc\u81f4 EMQX \u4e22\u5931\u6240\u6709\u4e1a\u52a1\u6570\u636e\u3002<\/p>\n

\u53ef\u4ee5\u901a\u8fc7 emqx_ctl mnesia \u547d\u4ee4\u67e5\u8be2 EMQX \u4e2d Mnesia \u6570\u636e\u5e93\u7684\u7cfb\u7edf\u4fe1\u606f，\u5177\u4f53\u8bf7\u67e5\u770b \u7ba1\u7406\u547d\u4ee4 CLI\u3002<\/p>\n

log \u76ee\u5f55<\/h3>\n

emqx.log.*<\/p>\n

EMQX \u8fd0\u884c\u65f6\u4ea7\u751f\u7684\u65e5\u5fd7\u6587\u4ef6，\u5177\u4f53\u8bf7\u67e5\u770b \u65e5\u5fd7\u4e0e\u8ffd\u8e2a\u3002<\/p>\n

crash.dump<\/p>\n

EMQX \u7684\u5d29\u6e83\u8f6c\u50a8\u6587\u4ef6，\u53ef\u4ee5\u901a\u8fc7 etc\/emqx.conf \u4fee\u6539\u914d\u7f6e，\u5177\u4f53\u5185\u5bb9\u53ef\u4ee5\u67e5\u770b \u914d\u7f6e\u9879\u3002<\/p>\n

erlang.log.*<\/p>\n

\u4ee5 emqx start \u65b9\u5f0f\u540e\u53f0\u542f\u52a8 EMQX \u65f6，\u63a7\u5236\u53f0\u65e5\u5fd7\u7684\u526f\u672c\u6587\u4ef6\u3002<\/p>\n

\u56db\u3001\u4f7f\u7528 Java SDK \u8fde\u63a5<\/h2>\n

\u5f15\u7528\u81ea：https:\/\/docs.emqx.com\/zh\/emqx\/latest\/connect-emqx\/java.html<\/p>\n

Eclipse Paho Java Client \u662f\u7528 Java \u7f16\u5199\u7684 MQTT \u5ba2\u6237\u7aef\u5e93（MQTT Java Client），\u53ef\u7528\u4e8e JVM \u6216\u5176\u4ed6 Java \u517c\u5bb9\u5e73\u53f0（\u4f8b\u5982Android）\u3002<\/p>\n

Eclipse Paho Java Client \u63d0\u4f9b\u4e86MqttAsyncClient \u548c MqttClient \u5f02\u6b65\u548c\u540c\u6b65 API\u3002<\/p>\n

\u901a\u8fc7 Maven \u5b89\u88c5 Paho Java<\/p>\n

\u901a\u8fc7\u5305\u7ba1\u7406\u5de5\u5177 Maven \u53ef\u4ee5\u65b9\u4fbf\u5730\u5b89\u88c5 Paho Java \u5ba2\u6237\u7aef\u5e93，\u622a\u6b62\u76ee\u524d\u6700\u65b0\u7248\u672c\u5b89\u88c5\u5982\u4e0b：<\/p>\n

<<\/span>dependency<\/span>><\/span><\/span>
\n <<\/span>groupId<\/span>><\/span><\/span>org.eclipse.paho<\/<\/span>groupId<\/span>><\/span><\/span>
\n<<\/span>artifactId<\/span>><\/span><\/span>org.eclipse.paho.client.mqttv3<\/<\/span>artifactId<\/span>><\/span><\/span>
\n<<\/span>version<\/span>><\/span><\/span>1.2.2<\/<\/span>version<\/span>><\/span><\/span>
\n<\/<\/span>dependency<\/span>><\/span><\/span><\/p>\n

Paho Java \u4f7f\u7528\u793a\u4f8b<\/p>\n

Java \u4f53\u7cfb\u4e2d Paho Java \u662f\u6bd4\u8f83\u7a33\u5b9a\u3001\u5e7f\u6cdb\u5e94\u7528\u7684 MQTT \u5ba2\u6237\u7aef\u5e93，\u672c\u793a\u4f8b\u5305\u542b Java \u8bed\u8a00\u7684 Paho Java \u8fde\u63a5 EMQX Broker，\u5e76\u8fdb\u884c\u6d88\u606f\u6536\u53d1\u5b8c\u6574\u4ee3\u7801：<\/p>\n

App.java<\/p>\n

package<\/span> io.<\/span>emqx<\/span>;<\/span><\/p>\n

import<\/span> org.<\/span>eclipse.<\/span>paho.<\/span>client.<\/span>mqttv3.<\/span><\/span>MqttClient<\/span><\/span>;<\/span>
\nimport<\/span> org.<\/span>eclipse.<\/span>paho.<\/span>client.<\/span>mqttv3.<\/span><\/span>MqttConnectOptions<\/span><\/span>;<\/span>
\nimport<\/span> org.<\/span>eclipse.<\/span>paho.<\/span>client.<\/span>mqttv3.<\/span><\/span>MqttException<\/span><\/span>;<\/span>
\nimport<\/span> org.<\/span>eclipse.<\/span>paho.<\/span>client.<\/span>mqttv3.<\/span><\/span>MqttMessage<\/span><\/span>;<\/span>
\nimport<\/span> org.<\/span>eclipse.<\/span>paho.<\/span>client.<\/span>mqttv3.<\/span>persist.<\/span><\/span>MemoryPersistence<\/span><\/span>;<\/span><\/p>\n

public<\/span> class<\/span> App<\/span> {<\/span>
\n public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[<\/span>]<\/span> args)<\/span> {<\/span>
\n String<\/span> subTopic =<\/span> "testtopic\/#"<\/span>;<\/span>
\n String<\/span> pubTopic =<\/span> "testtopic\/1"<\/span>;<\/span>
\n String<\/span> content =<\/span> "Hello World"<\/span>;<\/span>
\n int<\/span> qos =<\/span> 2<\/span>;<\/span>
\n String<\/span> broker =<\/span> "tcp:\/\/broker.emqx.io:1883"<\/span>;<\/span>
\n String<\/span> clientId =<\/span> "emqx_test"<\/span>;<\/span>
\n MemoryPersistence<\/span> persistence =<\/span> new<\/span> MemoryPersistence<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

try<\/span> {<\/span>
\n MqttClient<\/span> client =<\/span> new<\/span> MqttClient<\/span>(<\/span>broker,<\/span> clientId,<\/span> persistence)<\/span>;<\/span><\/p>\n

\/\/ MQTT \u8fde\u63a5\u9009\u9879<\/span>
\n MqttConnectOptions<\/span> connOpts =<\/span> new<\/span> MqttConnectOptions<\/span>(<\/span>)<\/span>;<\/span>
\n connOpts.<\/span>setUserName<\/span>(<\/span>"emqx_test"<\/span>)<\/span>;<\/span>
\n connOpts.<\/span>setPassword<\/span>(<\/span>"emqx_test_password"<\/span>.<\/span>toCharArray<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n \/\/ \u4fdd\u7559\u4f1a\u8bdd<\/span>
\n connOpts.<\/span>setCleanSession<\/span>(<\/span>true<\/span>)<\/span>;<\/span><\/p>\n

\/\/ \u8bbe\u7f6e\u56de\u8c03<\/span>
\n client.<\/span>setCallback<\/span>(<\/span>new<\/span> PushCallback<\/span>(<\/span>)<\/span>)<\/span>;<\/span><\/p>\n

\/\/ \u5efa\u7acb\u8fde\u63a5<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"Connecting to broker: "<\/span> +<\/span> broker)<\/span>;<\/span>
\n client.<\/span>connect<\/span>(<\/span>connOpts)<\/span>;<\/span><\/p>\n

System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"Connected"<\/span>)<\/span>;<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"Publishing message: "<\/span> +<\/span> content)<\/span>;<\/span><\/p>\n

\/\/ \u8ba2\u9605<\/span>
\n client.<\/span>subscribe<\/span>(<\/span>subTopic)<\/span>;<\/span><\/p>\n

\/\/ \u6d88\u606f\u53d1\u5e03\u6240\u9700\u53c2\u6570<\/span>
\n MqttMessage<\/span> message =<\/span> new<\/span> MqttMessage<\/span>(<\/span>content.<\/span>getBytes<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n message.<\/span>setQos<\/span>(<\/span>qos)<\/span>;<\/span>
\n client.<\/span>publish<\/span>(<\/span>pubTopic,<\/span> message)<\/span>;<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"Message published"<\/span>)<\/span>;<\/span><\/p>\n

client.<\/span>disconnect<\/span>(<\/span>)<\/span>;<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"Disconnected"<\/span>)<\/span>;<\/span>
\n client.<\/span>close<\/span>(<\/span>)<\/span>;<\/span>
\n System<\/span>.<\/span>exit<\/span>(<\/span>0<\/span>)<\/span>;<\/span>
\n }<\/span> catch<\/span> (<\/span>MqttException<\/span> me)<\/span> {<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"reason "<\/span> +<\/span> me.<\/span>getReasonCode<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"msg "<\/span> +<\/span> me.<\/span>getMessage<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"loc "<\/span> +<\/span> me.<\/span>getLocalizedMessage<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"cause "<\/span> +<\/span> me.<\/span>getCause<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"excep "<\/span> +<\/span> me)<\/span>;<\/span>
\n me.<\/span>printStackTrace<\/span>(<\/span>)<\/span>;<\/span>
\n }<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\u56de\u8c03\u6d88\u606f\u5904\u7406\u7c7b OnMessageCallback.java<\/p>\n

package<\/span> io.<\/span>emqx<\/span>;<\/span><\/p>\n

import<\/span> org.<\/span>eclipse.<\/span>paho.<\/span>client.<\/span>mqttv3.<\/span><\/span>IMqttDeliveryToken<\/span><\/span>;<\/span>
\nimport<\/span> org.<\/span>eclipse.<\/span>paho.<\/span>client.<\/span>mqttv3.<\/span><\/span>MqttCallback<\/span><\/span>;<\/span>
\nimport<\/span> org.<\/span>eclipse.<\/span>paho.<\/span>client.<\/span>mqttv3.<\/span><\/span>MqttMessage<\/span><\/span>;<\/span><\/p>\n

public<\/span> class<\/span> OnMessageCallback<\/span> implements<\/span> MqttCallback<\/span> {<\/span>
\n public<\/span> void<\/span> connectionLost<\/span>(<\/span>Throwable<\/span> cause)<\/span> {<\/span>
\n \/\/ \u8fde\u63a5\u4e22\u5931\u540e，\u4e00\u822c\u5728\u8fd9\u91cc\u9762\u8fdb\u884c\u91cd\u8fde<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"\u8fde\u63a5\u65ad\u5f00，\u53ef\u4ee5\u505a\u91cd\u8fde"<\/span>)<\/span>;<\/span>
\n }<\/span><\/p>\n

public<\/span> void<\/span> messageArrived<\/span>(<\/span>String<\/span> topic,<\/span> MqttMessage<\/span> message)<\/span> throws<\/span> Exception<\/span> {<\/span>
\n \/\/ subscribe\u540e\u5f97\u5230\u7684\u6d88\u606f\u4f1a\u6267\u884c\u5230\u8fd9\u91cc\u9762<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"\u63a5\u6536\u6d88\u606f\u4e3b\u9898:"<\/span> +<\/span> topic)<\/span>;<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"\u63a5\u6536\u6d88\u606fQos:"<\/span> +<\/span> message.<\/span>getQos<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"\u63a5\u6536\u6d88\u606f\u5185\u5bb9:"<\/span> +<\/span> new<\/span> String<\/span>(<\/span>message.<\/span>getPayload<\/span>(<\/span>)<\/span>)<\/span>)<\/span>;<\/span>
\n }<\/span><\/p>\n

public<\/span> void<\/span> deliveryComplete<\/span>(<\/span>IMqttDeliveryToken<\/span> token)<\/span> {<\/span>
\n System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>"deliveryComplete———"<\/span> +<\/span> token.<\/span>isComplete<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n }<\/span>
\n}<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

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