<?php  
	$head = array(
		"X-LC-Id:  appid",
		"X-LC-Key: appkey",
		"Content-Type: application/json"
		);
	$data = array(
		'mobilePhoneNumber' => '15898006631',
		'ttl' => '1',
		'name' => '校笑',
		'op' => '成功',
		);

    $ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'https://api.leancloud.cn/1.1/requestSmsCode');
curl_setopt($ch, CURLOPT_HTTPHEADER, $head);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
$xx = curl_exec($ch);
print_r($xx);
curl_close($ch);
?>

这段代码哪里有问题？ 为什请求后没有反应