Qt4 的经典教程，对学习qt非常有用，大家支持一下-QT4 classic tutorial, very useful for learning qt, U.S. support for what

QT4帮助文档 包里面有部分中文翻译版和英文完整版的 QT4开发必备-QT4 package to help document some inside the Chinese translation and English version of the full version of QT4 development of essential