PHPcurl模拟登陆获取cookie

PHP curl 模拟登陆 获取cookie求助
菜鸟学习使用PHP curl模拟登陆，等陆weiphon论坛时用以下代码成功，登陆www.xiaomi.com就死活成功不了，求助啊。窃以为是cookie获取有问题。麻烦牛人帮忙解决一下。苦思无所得夜不能寐啊！

	$cookie_file=tempnam('./temp','cookie');

	$login_url='https://account.xiaomi.com/pass/serviceLoginAuth';

	$post ='user&pwd=&sid=eshop&callback=http%3A%2F%2Forder.xiaomi.com%2Flogin%2Fcallback%3Ffollowup%3Dhttp%253A%252F%252Fwww.xiaomi.com%252F%26sign%3DMjk4NmVlYzNiOWY5YTkwMjExNzg5MjkyNzE3ZmIxOGM4YTBiMDk1Mg%2C%2C&_sign=f%2FKB8SAfmaLZ0s28kcLtBSmZlEM%3D&_json=true'//避免不必要的麻烦 post的具体帐号密码去掉了



	$ch=$curl=curl_init($login_url);

	curl_setopt($ch,CURLOPT_HEADER,0);

	curl_setopt($ch,CURLOPT_RETURNTRANSFER,0);

	curl_setopt($ch,CURLOPT_POST,1);

	curl_setopt($ch,CURLOPT_COOKIEJAR,$cookie_file);

	curl_setopt($ch,CURLOPT_POSTFIELDS,$post);

	curl_exec($ch);

	curl_close($ch);



	$url="http://www.xiaomi.com/index.php";

	$ch=curl_init($url);

	curl_setopt($ch,CURLOPT_HEADER,0);

	curl_setopt($ch,CURLOPT_RETURNTRANSFER,0);

	curl_setopt($ch,CURLOPT_COOKIEFILE,$cookie_file);

	$contents=curl_exec($ch);

	curl_close($ch);

	

	

?>

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------解决方案--------------------

	

        

          

          

          

            

              帐户名错误

            

            

              请输入帐户名

            

            

          

        

        

          

          

          

            

              请输入密码