第一个程序是一个简单的Hello World 例子。它只包含你建立和运行Qt 应用程 序所需要的最少的代码。上面的图片是这个程序的快照。-The first procedure is a simple Hello World example. It includes the establishment and operation of your Qt applications need a minimum of code. The above picture is a snapshot of

QT Development for Serial port programing