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示例代码如下 #include "stdafx.h" #include #include "mosquittopp.h" #pragma comment(lib, "mosquittopp.lib") class mqtt_test:public mosquittopp::mosquittopp { public: mqtt_test(const char *id):mosquittopp(id){} void on_connect(int rc) {std::cout<<"on_connect"<<std::endl;} void on_disconnect() {std::cout<<"on_disconnect"<<std::endl;} void on_publish(uint16_t mid) {std::cout<<"on_publish"<<std::endl;} }; int _tmain(int argc, _TCHAR* argv[]) { mosquittopp::mosquittopp::lib_init(); int rc; char buf[1024] = "This is test"; mqtt_test test("testID"); rc = test.connect("127.0.0.1"); if (MOSQ_ERR_SUCCESS == rc) { rc = test.loop(); if (MOSQ_ERR_SUCCESS == rc) { rc = test.publish(NULL, "topic/test", strlen(buf), (uint8_t *)buf); rc = test.loop(); } rc = test.disconnect(); rc = test.loop(); } mosquittopp::mosquittopp::lib_cleanup(); return 0; }

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