php文件上传，这段报文哪里错了呢

看了很多例子 没解决问题，大家帮我看看呢

返回的结果如下：

HTTP/1.1 400 Bad Request 
Date: Fri, 18 Jul 2014 18:15:46 GMT 
Server: nginx/1.4.4 
Content-Type: application/json 
Content-Length: 36 
Access-Control-Allow-Headers: X-File-Name, X-File-Type, X-File-Size 
Access-Control-Allow-Methods: OPTIONS, HEAD, POST 
Access-Control-Allow-Origin: * 
Cache-Control: no-store, no-cache, must-revalidate 
Pragma: no-cache 
X-Content-Type-Options: nosniff 
X-Log: UP/400 
X-Reqid: QkEAAC2bX1liE4IT 
X-Via: 1.1 js41:3 (Cdn Cache Server V2.0) 
Connection: close 

代码：

";
    }
    fclose($fp);
}

$purl="http://upload.qiniu.com";
echo "以下是POST方式的响应内容：
"; 
sock_post($purl);
?>

在这里生成的token
http://jsfiddle.net/gh/get/extjs/4.2/icattlecoder/jsfiddle/tree/master/uptoken
在这里测试上传成功
http://jsfiddle.net/gh/get/library/pure/icattlecoder/jsfiddle/tree/master/formupload

回复内容：

看了很多例子 没解决问题，大家帮我看看呢

返回的结果如下：

HTTP/1.1 400 Bad Request 
Date: Fri, 18 Jul 2014 18:15:46 GMT 
Server: nginx/1.4.4 
Content-Type: application/json 
Content-Length: 36 
Access-Control-Allow-Headers: X-File-Name, X-File-Type, X-File-Size 
Access-Control-Allow-Methods: OPTIONS, HEAD, POST 
Access-Control-Allow-Origin: * 
Cache-Control: no-store, no-cache, must-revalidate 
Pragma: no-cache 
X-Content-Type-Options: nosniff 
X-Log: UP/400 
X-Reqid: QkEAAC2bX1liE4IT 
X-Via: 1.1 js41:3 (Cdn Cache Server V2.0) 
Connection: close 

代码：

";
    }
    fclose($fp);
}

$purl="http://upload.qiniu.com";
echo "以下是POST方式的响应内容：
"; 
sock_post($purl);
?>

在这里生成的token
http://jsfiddle.net/gh/get/extjs/4.2/icattlecoder/jsfiddle/tree/master/uptoken
在这里测试上传成功
http://jsfiddle.net/gh/get/library/pure/icattlecoder/jsfiddle/tree/master/formupload

$head.="Content-Length: ".strlen($data)."\r\n\r\n";

注意 Content-Length: 后面需要有一个空格。

大神，你用这么多header干啥呢？？完全看不懂代码、、