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3.6.1 新建一个项目 ............................................................................................................................ 64
3.6.2 项目文件介绍 ............................................................................................................................ 69
3.6.3 修改 ui 文件显示 hello world ................................................................................................... 75
3.6.4 项目编译&调试&运行 .............................................................................................................. 76
第四章 使用 QT DESIGNER 开发 ........................................................................................................... 79
4.1 使用 UI 设计器开发程序 .................................................................................................................. 80
4.1.1 在 UI 文件添加一个按钮 .......................................................................................................... 80
4.1.2 在 UI 文件里连接信号与槽 ...................................................................................................... 81
4.1.3 编译及运行创建的 UI 项目 ...................................................................................................... 86
第五章 QT 信号与槽 ........................................................................................................................... 88
5.1 QT 信号与槽机制 ............................................................................................................................... 89
5.2 如何在项目里创建信号 ................................................................................................................... 91
5.3 如何在项目中创建槽 ....................................................................................................................... 92
5.4 如何在项目中连接信号与槽 ........................................................................................................... 94
5.5 学会使用 QT 类的信号与槽 ............................................................................................................. 97
第六章 QT CREATOR 的使用技巧 ......................................................................................................... 99
6.1 QT CREATOR 的快捷键 ........................................................................................................................ 100
6.2 QT 帮助文档的使用 ......................................................................................................................... 102
第七章 QT 控件 .................................................................................................................................. 105
7.1 按钮 ................................................................................................................................................. 106
7.1.1 QPushButton ............................................................................................................................. 107
7.1.2 QToolButton .............................................................................................................................. 111
7.1.3 QRadioButton ............................................................................................................................ 115
7.1.4 QCheckBox ................................................................................................................................ 123
7.1.5 QCommandLinkButton .............................................................................................................. 129
7.1.6 QDialogButtonBox ..................................................................................................................... 132
7.2 输入窗口部件 ................................................................................................................................. 136
7.2.1 QComboBox .............................................................................................................................. 138
7.2.2 QFontComboBox ....................................................................................................................... 142
7.2.3 QLineEdit ................................................................................................................................... 146
7.2.4 QTextEdit ................................................................................................................................... 150
7.2.5 QPlainTextEdit ........................................................................................................................... 154
7.2.6 QSpinBox ................................................................................................................................... 158
7.2.7 QDoubleSpinBox ....................................................................................................................... 161
7.2.8 QTimeEdit .................................................................................................................................. 165
7.2.9 QDateEdit .................................................................................................................................. 165
7.2.10 QDateTimeEdit ........................................................................................................................ 165
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