(1条消息) qt.qpa.plugin: Could not find the Qt platform plugin “windows“ in ““ This application failed to star

(1条消息) qt.qpa.plugin: Could not find the Qt platform plugin “windows“ in ““ This application failed to star,第1张

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qt.qpa.plugin: Could not find the Qt platform plugin “windows” in “”
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

请按任意键继续. . .

(1条消息) qt.qpa.plugin: Could not find the Qt platform plugin “windows“ in ““ This application failed to star,在这里插入图片描述,第2张

一、错误原因是什么?

Qt所需要的东西不在环境变量中,这里是qt的插件环境变量

二、解决办法

找到python的路径,点击 \Lib\site-packages\PyQt5\Qt5\plugins\platforms
将该路径添加到环境变量中,变量名设为
QT_QPA_PLATFORM_PLUGIN_PATH
E:\osg\work\infraRenderV1.6_T90_sportTrace_20220527\3rdParty\Qt-5.12.4_vs2017-x64\plugins

(1条消息) qt.qpa.plugin: Could not find the Qt platform plugin “windows“ in ““ This application failed to star,在这里插入图片描述,第3张

(1条消息) qt.qpa.plugin: Could not find the Qt platform plugin “windows“ in ““ This application failed to star,在这里插入图片描述,第4张
(1条消息) qt.qpa.plugin: Could not find the Qt platform plugin “windows“ in ““ This application failed to star,在这里插入图片描述,第5张

重启电脑即可!

终极解决方案

当配置了QT_QPA_PLATFORM_PLUGIN_PATH
E:\osg\work\infraRenderV1.6_T90_sportTrace_20220527\3rdParty\Qt-5.12.4_vs2017-x64\plugins
这个环境变量以后,发现机器上的所有QtCreator版本都不能运行了,那该如何解决呢
1.首先删除掉这个环境变量
2.然后安装Qt-5.12.4,当然要根据InfraDemo.exe所需要的版本下载对应版本,因为我这里用的是Qt-5.12.4
Qt-5.12.4:下载地址
(1条消息) qt.qpa.plugin: Could not find the Qt platform plugin “windows“ in ““ This application failed to star,在这里插入图片描述,第6张

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