How to solve the problem of garbled characters when IDEA uses tomcat

1. Find the idea.exe.vmoptions and idea64.exe.vmoptions files in the bin directory under the IDEA installation directory, and add -Dfile.encoding=UTF-8 to the end of these two files.

2. Start IDEA and click Help->Edit Custom VM Options...

Add -Dfile.encoding=UTF-8 at the end

3. Via File-settings-Editor-File-encodings

4. Enter Tomcat configuration

under the Server tab, add -Dfile.encoding=UTF-8 at VM options:

My problem is solved in this way, but it may not be comprehensive, please refer to it.