编译的时候出现编码问题

在编译时若出现

[WARNING]Using platform encoding (GBK actually) to copy filtered resources, i.e. build is platform dependent!

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

是因为没有指定编码方式。在配置文件中添加

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