为了使更多的Qt 初学者能尽快入门Qt，也为了Qt 及Qt Creator 的快速普及，我们花费大量精力写出了这一系列教程。虽然教程的知识可能很浅显，虽然教程的语言可能不规范，但是它却被数十万网友所认可。我们会将这一系列教程一直写下去，它将涉及Qt 的方方面面。(In order for more Qt beginners to get into the Qt as soon as possible, and for the rapid popularity of Qt and Qt Creator, we have spent a lot of effort to write this series of tutorials. Although the knowledge of the tutorials may be very simple, although the language of the tutorial may not be standardized, it is recognized by hundreds of thousands of netizens. We will write this series of tutorials all the time, and it will cover all aspects of Qt.)