1.下载SumatraPDF2.设置 3.代码voidMainWindow::on_pushButton_clicked(){QProcess*process=newQProcess();QStringfilePath="C:\\Users\\jude\\Desktop\\su\\11.pdf";QStringsumatraPath="C:\\Users\\jude\\Deskt

多线程编程在现代软件开发中变得越来越重要，它能够提高应用程序的响应速度和处理性能。在Qt框架中，除了QThreadPool，QtConcurrent也是一个强大的工具，用于简化和管理多线程编程。目录概述接口详解QtConcurrent::runQtConcurrent::mapQtConcurrent::mappedQtConcurrent::filt

/*_process->start("ps-e");_process->waitForFinished(-1);if(!_process->isReadable())returnfalse;QStringstrOutput=_process->readAllStandardError();if(strOutput.length()==0){strOutput