摘要：
//控制死窗体 int width = this->geometry().width(); int height = this->geometry().height(); this->setFixedSize(width,height); //定时器的使用 QTimer *serialReadTimer = new QTimer; ... 阅读全文
摘要：
#include #include #include #include int main(int argc, char *argv[]) { QCoreApplication a(argc, argv); QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE"); db.setDatabaseName("stud... 阅读全文