1. Create a folder and prepare files
Create an images folder in the top-level directory of the project, then download the ico icon you think is ok or the UI design, and then create an rc file, such as the logo.ico and logo.rc I put here:
Then the content of logo.rc is as follows (you can open it with a text editor, such as notepad++):
IDI_ICON1 ICON DISCARDABLE "logo.ico"Because Qt creator cannot directly create folders, we need to create them here first.
2. Add files
Right-click the project to add:
Here I feel that there is a bug in Qt creator, which is the problem of file case display. After I change the uppercase of the file to lowercase, when I add a folder here, it will display the existing files that I have capitalized before by default, and it will be displayed by default. Check it, if you don’t pay attention, you will be sure to add a lot of files to the .pro file. At this time, an error will be reported when compiling, showing that many functions are repeatedly defined:
3. Modify project files
Then add the following information at the end of the .pro project file (note the path):
RC_FILE += images/logo.rc
4. Recompile
After recompiling, you will find that the exe has an icon. After packaging it into an exe and installing it on other computers, it will also have a corresponding icon:
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