Qt-Embedded编程实战,包括9.1-hello，9.2-button，9.3-signal&slot，9.4-dialog，9.5-layout，9.6-progressbar，9.7-text input，9.8-menu，9.9-qt draw，9.10-i18n，9.12-designer。源自中嵌教程-Qt-Embedded programming combat, including the 9.1-hello ,9.2-button ,9.3-signal & slot