/**
* 返回结果集
*
* @param mixed $info 返回的有效数据集或是错误说明
* @param string $msg 为空或是错误类型代号
* @param string $result 请求成功或是失败的标识
* @param int $post 1为xml方式，2为json方式
*
*/
function data_back($info, $msg = '', $post, $result = 'success')
{
/* 分为xml和json两种方式 */
$data_arr = array('result' => $result, 'msg' => $msg, 'info' => $info);
$data_arr = to_utf8_iconv($data_arr);
//确保传递的编码为UTF-8
if ($post == 1) {
/* xml方式 */
if (class_exists('DOMDocument')) {
$doc = new DOMDocument('1.0', 'UTF-8');
$doc->formatOutput = true;
$shopex = $doc->createElement('shopex');
$doc->appendChild($shopex);
$result = $doc->createElement('result');
$shopex->appendChild($result);
$result->appendChild($doc->createCDATASection($data_arr['result']));
$msg = $doc->createElement('msg');
$shopex->appendChild($msg);
$msg->appendChild($doc->createCDATASection($data_arr['msg']));
$info = $doc->createElement('info');
$shopex->appendChild($info);
create_tree($doc, $info, $data_arr['info']);
die($doc->saveXML());
}
die('<?xml version="1.0" encoding="UTF-8"?>' . array2xml($data_arr));
} else {
/* json方式 */
$json = new JSON();
die($json->encode($data_arr));
//把生成的返回字符串打印出来
}
}
/**
* 循环转码成utf8内容
*
* @param string $str
* @return string
*/
function to_utf8_iconv($str)
{
if (EC_CHARSET != 'utf-8')
{
if (is_string($str))
{
return ecs_iconv(EC_CHARSET, 'utf-8', $str);
}
elseif (is_array($str))
{
foreach ($str as $key => $value)
{
$str[$key] = to_utf8_iconv($value);
}
return $str;
}
elseif (is_object($str))
{
foreach ($str as $key => $value)
{
$str->$key = to_utf8_iconv($value);
}
return $str;
}
else
{
return $str;
}
}
return $str;
}