这是一个用Qt做的类似于记事本的文本编辑软件，对Qt的进一步学习很有帮助。-This is one to do with Qt text editor like Notepad software, Qt helpful for further study.

QT对话框，包括设置文本字体 颜色 大小，主要熟练对对话框的运用。-QT dialog, including setting the size of the text font color, mainly skilled use for dialog.

QT窗口，输入用户名，密码，就可以登陆进入一个新的界面，进入之后可以输入个人详细信息，还可以编辑文本。- QT window, enter the user name and password, you can log into a new interface, you can enter after entering personal details, you can also edit the text.