This application failed to start because it could not find or load the Qt platform plugin “windows”

在win10系统下,利用QT5.9编写了一个应用程序,拷贝必要的dll文件,拿到其他计算机上运行,出现如下问题:

This application failed to start because it could not find or load the Qt platform plugin “windows”

This application failed to start because it could not find or load the Qt platform plugin “windows”

解决方案:

1.动态链接库dll要补全,在exe同级目录,如图所示

This application failed to start because it could not find or load the Qt platform plugin “windows”

2.添加平台支持文件。因为不能保证其他计算机安装QT或其他C++的插件,从QT安装目录下拷贝platforms文件夹到exe同级目录,路径为C:\Qt\Qt5.9.4\5.9.4\mingw53_32\plugins。platforms文件夹内容如图所示

This application failed to start because it could not find or load the Qt platform plugin “windows”