Ubuntu安装qt-opensource-linux-x64-5.11.1
本帖最后由 Future 于 2018-11-1 09:09 编辑登陆qt官方下载页面：http://download.qt.io/archive/qt/
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本文以安装qt-opensource-linux-x64-5.11.1为例。
把下载好的qt-opensource-linux-x64-5.11.1.run放进Linux系统里。首先给qt-opensource-linux-x64-5.11.1.run运行权限，再运行。
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sudo chmod +x qt-opensource-linux-x64-5.11.1.runlssudo ./qt-opensource-linux-x64-5.11.1.rundata:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==
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选择软件存储目录，最好选择默认目录
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选择安装组件，可以只安装三个红色方框，最好全选。
https://img-blog.csdn.net/20180815095414214?watermark/2/text/aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2Z1dHVyZV9haQ==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==
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点击安装之后，需要等待一段时间安装完成。
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在命令行中输入：sudo gedit /usr/lib/x86_64-linux-gnu/qt-default/qtchooser/default.conf
打开default.conf文件，
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将第一行改为bin目录的路径，第二行改为qt5.8.0目录的路径，然后保存退出。
在安装目录找到qtcreator，双击打开qtcreator。
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可以直接把qtcreator固定在工具，为了下次方便打开。
https://img-blog.csdn.net/20180815101359798?watermark/2/text/aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2Z1dHVyZV9haQ==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==
现在，新建一个工程helloword，测试一下。
https://img-blog.csdn.net/20180815101707280?watermark/2/text/aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2Z1dHVyZV9haQ==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==
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设置项目名称和项目路径。
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点击运行
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如果出现:-1: error: cannot find -lGL错误，那是没有安装libgl1-mesa-dev
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sudo apt-get install libgl1-mesa-devdata:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==
执行sudo apt-get install libgl1-mesa-dev完成后，回到qtcreator界面，重新运行项目，就出现mainWindow界面了。至此，qt-opensource-linux-x64-5.11.1算是安装成功了。
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现在deepin都5.10.1了，乌班图还是老版吗？话说5.11.1没有什么新功能吧 幽弥狂 发表于 2018-8-17 21:14
现在deepin都5.10.1了，乌班图还是老版吗？话说5.11.1没有什么新功能吧
Qt5.11的一个重点就是Windows的可访问性(accessibility)支持。根据微软的UI Automation，Qt5.11在Windows的可访问性部分基本完全重写了。因此极大的改进了对Windows可访问性的支持。（Microsoft UI Automation）
除此之外，改进了对Windows中控件（部件）样式（风格）高DPI的支持。Linux系统中的打印窗口也进行了大改，为所有的选项提供了更好的支持。并且修复了Qt中的控件的大量BUG。所以这次更新对于桌面开发者来说是一次Very Nice的更新。
另外，Ubuntu16.04挺好用的。
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