static function translate($_query,$_src_lang,$_desc_lang){
  #Trans:就是百度提供的PHP类
  $_res  = Trans::translate($_query,$_src_lang,$_desc_lang);
  $_result = @$_res["trans_result"][0]["dst"];
  return $_result;
}
#google 和 百度的不同..
 const LANG=[
  "de"  => "de",
  "en"  => "en",
  "es"  => "spa",
  "fr"  => "fra",
  "it"  => "it",
  "ja"  => "jp",
  "ko"  => "kor",
  "pt"  => "pt",
  "ru"  => "ru",
  "th"  => "th",
  "vi"  => "vie",
  "zh-CN" => "zh",
  "zh-TW" => "cht",
  "id"  => "en",
  "ms"  => "en",
  "my"  => "en",
];
static function startTrans($_trans_name='down.php',$_lang_name='zh-CN'){
  $_lang_dir =  Storage::disk('lang');
  $_dirs   =  $_lang_dir->directories();
  $_transArr =  self::_getSrcTransArr($_lang_name,$_trans_name);
  foreach($_dirs as $_lang){
    #当然，要跳过指定的文件
    if($_lang == $_lang_name){
      continue;
    }
    $_tran_path = "$_lang/{$_trans_name}";
    if(!$_lang_dir->exists($_tran_path)){
      #这里直接touch就行了
      $_lang_dir->copy("template.php",$_tran_path);
    }
    $_trans_file_arr  =  [];
    #下面是翻译工作
    foreach($_transArr as $key=>$_row){
      $_trans_file_arr[$key] = self::translate($_row,self::LANG[$_lang_name],self::LANG[$_lang]);
    }
    #将数组写入文件
    $str=''.PHP_EOL.'return ' . var_export($_trans_file_arr,true).";";
    file_put_contents(resource_path("lang/{$_tran_path}"), $str);
  }
}
#读取指定文件数组
private static function _getSrcTransArr($_dir_name,$_trans_name){
  $_src_file =  Storage::disk('lang')->files($_dir_name);
  $_out_data =  [];
  foreach($_src_file as $_file){
    if(stripos($_file,$_trans_name)!==false){
      $_out_data = include_once (resource_path("lang/{$_file}"));
      break;
    }
  }
  return $_out_data;
}