20201002 vs 2019 qt5.14 developed program packaging

QT The developed program is packaged

One 、 Compile the generated release edition

1. Compile the generated release The error prompt will appear in the version, as shown in the figure

2. The reason for the error prompt is that there is no release Required library files , Then use QT Built in tool endow release Library files required by the program

Two 、 Use QT Built in tool endow release The program needs .dll The library files

1.QT With command line tools , You can package the library file into the required application, as shown in Windows10 Search directly in QT That's all right. , What we use here is MSVC2017 edition

2. Use command windeployqt+() // Fill in brackets exe The address of the program is shown in the figure , After the command is run, the corresponding dll file , then release The program can run