首页 / 网页编程 / PHP / php实现的Curl封装类Curl.class.php用法实例分析

<?php//curl类class Curl{ function Curl（）{return true; } function execute（$method, $url, $fields="", $userAgent="", $httpHeaders="", $username="", $password=""）{$ch = Curl::create（）;if（false === $ch）{ return false;}if（is_string（$url） && strlen（$url））{ $ret = curl_setopt（$ch, CURLOPT_URL, $url）;}else{ return false;}//是否显示头部信息curl_setopt（$ch, CURLOPT_HEADER, false）;//curl_setopt（$ch, CURLOPT_RETURNTRANSFER, true）;if（$username ！= ""）{ curl_setopt（$ch, CURLOPT_USERPWD, $username . ":" . $password）;}$method = strtolower（$method）;if（"post" == $method）{ curl_setopt（$ch, CURLOPT_POST, true）; if（is_array（$fields））{$sets = array（）;foreach （$fields AS $key => $val）{ $sets[] = $key . "=" . urlencode（$val）;}$fields = implode（"&",$sets）; } curl_setopt（$ch, CURLOPT_POSTFIELDS, $fields）;}else if（"put" == $method）{ curl_setopt（$ch, CURLOPT_PUT, true）;}//curl_setopt（$ch, CURLOPT_PROGRESS, true）;//curl_setopt（$ch, CURLOPT_VERBOSE, true）;//curl_setopt（$ch, CURLOPT_MUTE, false）;curl_setopt（$ch, CURLOPT_TIMEOUT, 10）;//设置curl超时秒数if（strlen（$userAgent））{ curl_setopt（$ch, CURLOPT_USERAGENT, $userAgent）;}if（is_array（$httpHeaders））{ curl_setopt（$ch, CURLOPT_HTTPHEADER, $httpHeaders）;}$ret = curl_exec（$ch）;if（curl_errno（$ch））{ curl_close（$ch）; return array（curl_error（$ch）, curl_errno（$ch））;}else{ curl_close（$ch）; if（！is_string（$ret） || ！strlen（$ret））{return false; } return $ret;} } function post（$url, $fields, $userAgent = "", $httpHeaders = "", $username = "", $password = ""）{$ret = Curl::execute（"POST", $url, $fields, $userAgent, $httpHeaders, $username, $password）;if（false === $ret）{ return false;}if（is_array（$ret））{ return false;}return $ret; } function get（$url, $userAgent = "", $httpHeaders = "", $username = "", $password = ""）{$ret = Curl::execute（"GET", $url, "", $userAgent, $httpHeaders, $username, $password）;if（false === $ret）{ return false;}if（is_array（$ret））{ return false;}return $ret; } function create（）{$ch = null;if（！function_exists（"curl_init"））{ return false;}$ch = curl_init（）;if（！is_resource（$ch））{ return false;}return $ch; }}?>

$curl = new Curl（）;$curl->get（"http://www.XXX.com/"）;

$curl = new Curl（）;$curl->get（"http://www.XXX.com/", "p=1&time=0"）;