/**
* @desc 多维数组转化为支持curl提交数组
* @author编程之家 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;
}