/*使用异步引擎API显示日期-时间字符串*调用MATLAB dateTimeWindowM函数创建figure *和uicontrol对象。每秒更新一次日期和时间。在单独的线程*/上异步运行#include "mex.hpp" #include "mexAdapter.hpp" #include <线程> #include <未来>类MexFunction: public matlab::mex::Function {private: std::future voidStdFuture;std::shared_ptr matlabPtr = getEngine();bool isRunning = false;public: void DisplayDateTime() {matlab::data::ArrayFactory工厂;matlabPtr - > evalAsync (u“dateTimeWindow;”);while (isRunning) {matlabPtr->evalAsync(u"set(findall(0，'Tag'，'date_time')， 'String'，datestr(now));");std::vector args({factory.createScalar(0)， factory.createCharArray("Tag")， factory.createCharArray("date_time")，});matlab::引擎::FutureResult < matlab::数据::数组> fresult;fresult = matlabPtr->fevalAsync(u"findall"， args);matlab::data::Array result = fresult.get(); isRunning = !result.isEmpty(); if (!isRunning) { matlabPtr->evalAsync(u"mexDateTime close"); } std::this_thread::sleep_for(std::chrono::seconds(1)); } } void operator()(matlab::mex::ArgumentList outputs, matlab::mex::ArgumentList inputs) { if (inputs.size() == 0) { mexLock(); if(!isRunning) { isRunning = true; voidStdFuture = std::async(std::launch::async, &MexFunction::DisplayDateTime, this); } } else { isRunning = false; matlabPtr->eval(u"close(findall(0,'Tag','mexDateTimeHandle'))"); mexUnlock(); } } };