File encoding has not been set, using platform encoding GBK, i.e. build is platform dependent

Problem: Compile and package (mvn clean install) files are always in GBK format, not UTF-8 format

Cause Analysis: The default encoding format GBK is used

Solution: Add configuration to the pom file

<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>

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