1，在终端下输入：
sudo apt-get install libqt4-dev libqt4-dbg libqt4-gui libqt4-sql qt4-dev-tools qt4-doc qt4-designer qt4-qtconfig qtcreator
2，qt测试代码，helloworld.cpp
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/**********************************************
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Copyright:Hufutech
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Author: zhangjinxin
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Date:2015-09-25
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Description:Test qt
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**********************************************/
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#include <QApplication>
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#include <QLabel>
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int main(int argc, char *argv[]) {
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QApplication app(argc, argv);
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QLabel label = QLabel("Hello World!");
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label.show();
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return app.exec();
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}
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3,测试步骤
qmake -project
qmake
make
问题： fatal error: QApplication: No such file or directory
解决： 在helloworld.pro 中加入QT += widgets
./helloworld
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