public static String[] switchBuiltinFormats(Locale locale) {
        if (locale != null && Locale.US.getCountry().equals(locale.getCountry())) {
            return BUILTIN_FORMATS_US;
        }
        return BUILTIN_FORMATS_CN;
    }
Excel's built-in format conversion.Currently only supports Chinese.

<p>
If it is not Chinese, it is recommended to directly modify the builtinFormats, which will better support
internationalization in the future.

<p>
Specific correspondence please see:
https://docs.microsoft.com/en-us/dotnet/api/documentformat.openxml.spreadsheet.numberingformat?view=openxml-2.8.1

@author Jiaju Zhuang
fastexcel-core/src/main/java/cn/idev/excel/constant/BuiltinFormats.java