src/DdvUtil/String/Conversion.php
public static function humpToUnderlineByArray ($array = array()){
    foreach ($array as $key => $value) {
      $keyt = self::humpToUnderline($key);
      if ($keyt!==$key){
        unset($array[$key]);
        $array[$keyt] = $value;
      }
    }
    return $array;
  }
public static function humpToUnderlineByArray ($array = array()){
    foreach ($array as $key => $value) {
      $keyt = self::humpToUnderline($key);
      if ($keyt!==$key){
        unset($array[$key]);
        $array[$keyt] = $value;
      }
    }
    return $array;
  }
把数组中所有驼峰的key转小写下滑杠
@param array $array [数组]
@return array  [请求数组]