我遇到了JSONP请求没有完整返回到客户端(Sencha Touch 1.1)的问题。我在Apache2上使用PHP 5.2.5。该请求通过Expression Engine模板构建,并使用标题“Content-type:text/javascript; charset = utf-8”发送。输出缓冲打开。我必须在发送正确的头文件之前手动刷新,否则它会以“text/html”的形式发送它。数据在发送到客户端之前从JSON中剥离
我已经在本地测试了代码,它确实生成并正确返回请求。在prod和dev上,它将剥离请求的内容。例如:
stcCallback1001(,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,]});
我想这是一个环境或安全政策的问题,因为它不使用XAMPP的Apache2/PHP 5.3.8在我的机器上正常工作。下面的代码片段:
$stores = array();
foreach ($results as $key => $value)
{
$week = ($value['field_id_51'] == 'Y') ? '24hrs' : $value['field_id_49'] . '-' . $value['field_id_50'];
$sat = ($value['field_id_54'] == 'Y') ? '24hrs' : $value['field_id_52'] . '-' . $value['field_id_53'];
$sun = ($value['field_id_57'] == 'Y') ? '24hrs' : $value['field_id_55'] . '-' . $value['field_id_56'];
$dist = distance($lat, $lon, $value['field_id_58'], $value['field_id_59']);
if ($dist <= $rad)
{
$stores[] = array(
"store_id" => (string)$value['title'],
"street" => (string)$value['field_id_43'],
"city" => (string)$value['field_id_44'],
"state" => (string)$value['field_id_45'],
"zip" => (string)$value['field_id_46'],
"phone" => (string)$value['field_id_41'],
"fax" => (string)$value['field_id_42'],
"pharm" => (string)$value['field_id_47'],
"pharm_2" => (string)$value['field_id_48'],
"week" => (string)$week,
"sat" => (string)$sat,
"sun" => (string)$sun,
"lat" => (string)$value['field_id_58'],
"lon" => (string)$value['field_id_59'],
"distance" => (string)$dist,
);
}
}
$totalResults = count($stores);
$stores = ($totalResults > 0) ? subval_sort($stores, 'distance') : '';
$push = array(
"latitude" => $lat,
"longitude" => $lon,
"radius" => $rad,
"numResults" => $totalResults,
"stores" => $stores
);
$callback = (isset($_GET['callback'])) ? ($_GET['callback']) : null;
if($callback) {
header('Content-type: text/javascript; charset=utf-8');
echo $callback . '(' . json_encode($push) . ');';
flush();
}
else {
header('Content-type: application/x-json; charset=utf-8');
echo json_encode($push);
flush();
}
该代码在之前没有冲洗的prod上工作。我从来没有遇到过问题。我已验证JSON是在服务器上正确创建的。它似乎在运输过程中被修改。寻找可能的解决方案和想法。
我们卸载了mod_deflate,希望能够成为一个压缩问题,但是,当我们重新加载时,这并没有什么不同。我们正在使用反向代理和负载平衡,但我不确定这是如何起作用的。还有其他建议吗? – 2013-02-22 19:33:49
我记得同样的问题,我敢肯定,你可以在没有gzip或相关的其他环境中测试吗? – 2013-02-23 11:37:13
是的,它可以在没有gzip或放气的本地机器上运行。我很确定它也是如此。我感谢你的回应。也许我们会试着再次卸载mod_deflate。应该没有理由为什么代码不按预期运行。 – 2013-02-25 22:13:40