/**      * @desc    多维数组转化为支持curl提交数组      * @author    编程素材网    2013-07-8      */     public function toPost(array $params = array(), $pre = '')     {         $result = array();         foreach ($params as $key => $val)         {                 if (is_array($val))                 {                     $subPre = ($pre=="") ? $key : $pre . "[" . $key . "]";                     //$pre = "[" . $key . "]";                     $result = array_merge($result, toPost($val, $subPre));                 }                 else                 {                     $result[$pre."[".$key."]"] = $val;                 }         }         return $result;     }