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如何解决cURL错误(7):无法连接到主机?
我使用cUrl(php)将项目代码以xml格式发送到Web服务。我在localhost中得到了正确的响应,但是在服务器运行时它显示 cURL错误(7):无法连接到主机 这是我的代码: function xml_post($post_xml, $url) { $user_agent = $_SERVER['HTTP_USER_AGENT']; $ch = curl_init(); // initialize curl handle curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_FAILONERROR, 1); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); curl_setopt($ch, CURLOPT_RETURNTRANSFER,1); curl_setopt($ch, CURLOPT_TIMEOUT, 50); curl_setopt($ch, CURLOPT_POSTFIELDS, $post_xml); curl_setopt($ch, CURLOPT_USERAGENT, $user_agent); // curl_setopt($ch, CURLOPT_PORT, $port); $data = curl_exec($ch); $curl_errno = curl_errno($ch); …