src/Leevel/Kernel/App.php
public function i18nPath(?string $path = null): string
    {
        return ($this->i18nPath ?? $this->path.\DIRECTORY_SEPARATOR.'i18n').
            $this->normalizePath($path ?: '');
    }
public function i18nPath(?string $path = null): string
    {
        return ($this->i18nPath ?? $this->path.\DIRECTORY_SEPARATOR.'i18n').
            $this->normalizePath($path ?: '');
    }
语言包路径.

@param string $path

@return string