cUrl类

使用方法：

$ch = new Curl_Class();$ch->set_action("login", $loginurl, $refer);$postdata = array("username"=>"fortest", "password"=>"12345");$ch->open()->get_cookie($this->_cookie)->get("login", $postdata);$result = $ch->header() . $ch->body();$ch->close();

cUrl Class 代码：

class Curl_Class{private $_is_temp_cookie = false;private $_header;private $_body;private $_ch;private $_proxy;private $_proxy_port;private $_proxy_type = 'HTTP'; // or SOCKS5private $_proxy_auth = 'BASIC'; // or NTLMprivate $_proxy_user;private $_proxy_pass;protected $_cookie;protected $_options;protected $_url = array ();protected $_referer = array ();public function __construct($options = array()) {$defaults = array ();$defaults ['timeout'] = 30;$defaults ['temp_root'] = sys_get_temp_dir ();$defaults ['user_agent'] = 'Mozilla/5.0 (Windows; U; Windows NT 6.0; zh-CN; rv:1.8.1.20) Gecko/20081217 Firefox/2.0.0.20';$this->_options = array_merge ( $defaults, $options );}public function open() {$this->_ch = curl_init ();//curl_setopt ( $this->_ch, CURLOPT_FOLLOWLOCATION, true );curl_setopt ( $this->_ch, CURLOPT_HEADER, true );curl_setopt ( $this->_ch, CURLOPT_RETURNTRANSFER, true );curl_setopt ( $this->_ch, CURLOPT_USERAGENT, $this->_options ['user_agent'] );curl_setopt ( $this->_ch, CURLOPT_CONNECTTIMEOUT, $this->_options ['timeout'] );curl_setopt ( $this->_ch, CURLOPT_HTTPHEADER, array('Expect:') ); // for lighttpd 417 Expectation Failed$this->_header = '';$this->_body = '';return $this;}public function close() {if (is_resource ( $this->_ch )) {curl_close ( $this->_ch );}if (isset ( $this->_cookie ) && $this->_is_temp_cookie && is_file ( $this->_cookie )) {unlink ( $this->_cookie );}}public function cookie() {if (! isset ( $this->_cookie )) {if (! empty ( $this->_cookie ) && $this->_is_temp_cookie && is_file ( $this->_cookie )) {unlink ( $this->_cookie );}$this->_cookie = tempnam ( $this->_options ['temp_root'], 'curl_manager_cookie_' );$this->_is_temp_cookie = true;}curl_setopt ( $this->_ch, CURLOPT_COOKIEJAR, $this->_cookie );curl_setopt ( $this->_ch, CURLOPT_COOKIEFILE, $this->_cookie );return $this;}public function get_cookie($cookfile) {curl_setopt ( $this->_ch, CURLOPT_RETURNTRANSFER, true );curl_setopt ( $this->_ch, CURLOPT_COOKIEJAR, $cookfile );return $this;}public function set_cookie($cookfile) {curl_setopt ( $this->_ch, CURLOPT_RETURNTRANSFER, true );curl_setopt ( $this->_ch, CURLOPT_COOKIEFILE, $cookfile );return $this;}public function set_session($session) {curl_setopt ( $this->_ch, CURLOPT_COOKIESESSION,  $session );return $this;}public function ssl() {curl_setopt ( $this->_ch, CURLOPT_SSL_VERIFYPEER, false );return $this;}public function proxy($host = null, $port = null, $type = null, $user = null, $pass = null, $auth = null) {$this->_proxy = isset ( $host ) ? $host : $this->_proxy;$this->_proxy_port = isset ( $port ) ? $port : $this->_proxy_port;$this->_proxy_type = isset ( $type ) ? $type : $this->_proxy_type;$this->_proxy_auth = isset ( $auth ) ? $auth : $this->_proxy_auth;$this->_proxy_user = isset ( $user ) ? $user : $this->_proxy_user;$this->_proxy_pass = isset ( $pass ) ? $pass : $this->_proxy_pass;if (! empty ( $this->_proxy )) {curl_setopt ( $this->_ch, CURLOPT_PROXYTYPE, $this->_proxy_type == 'HTTP' ? CURLPROXY_HTTP : CURLPROXY_SOCKS5 );curl_setopt ( $this->_ch, CURLOPT_PROXY, $this->_proxy );curl_setopt ( $this->_ch, CURLOPT_PROXYPORT, $this->_proxy_port );}if (! empty ( $this->_proxy_user )) {curl_setopt ( $this->_ch, CURLOPT_PROXYAUTH, $this->_proxy_auth == 'BASIC' ? CURLAUTH_BASIC : CURLAUTH_NTLM );curl_setopt ( $this->_ch, CURLOPT_PROXYUSERPWD, "[{$this->_proxy_user}]:[{$this->_proxy_pass}]" );}return $this;}public function post($action, $query = array()) {if (is_array($query)) {foreach ($query as $key => $val) {if (!empty ($val) && $val{0} != '@') {$encode_key = urlencode($key);if ($encode_key != $key) {unset($query[$key]);}//$query[$encode_key] = urlencode($val);$query[$encode_key] = $val;}}}curl_setopt ( $this->_ch, CURLOPT_POST, true );curl_setopt ( $this->_ch, CURLOPT_URL, $this->_url [$action] );curl_setopt ( $this->_ch, CURLOPT_REFERER, $this->_referer [$action] );curl_setopt ( $this->_ch, CURLOPT_POSTFIELDS, $query );$this->_requrest ();return $this;}public function get($action, $query = array()) {$url = $this->_url [$action];if (! empty ( $query )) {$url .= strpos ( $url, '?' ) === false ? '?' : '&';$url .= is_array ( $query ) ? http_build_query ( $query ) : $query;}curl_setopt ( $this->_ch, CURLOPT_URL, $url );curl_setopt ( $this->_ch, CURLOPT_REFERER, $this->_referer [$action] );$this->_requrest();return $this;}public function getinfo() {return curl_getinfo($this->_ch);}public function output_trace($output) {curl_setopt ( $this->_ch, CURLOPT_VERBOSE,1 );curl_setopt ( $this->_ch, CURLOPT_STDERR,$output );return $this;}public function download($action, $query = array(), $saveto, $rewritemode=0) {$url = $this->_url [$action];if (! empty ( $query )) {$url .= strpos ( $url, '?' ) === false ? '?' : '&';$url .= is_array ( $query ) ? http_build_query ( $query ) : $query;}try{if ($rewritemode==1 || !file_exists($saveto)){$fp = @fopen($saveto, "wb");@curl_setopt ($this->_ch, CURLOPT_FILE, $fp);curl_setopt ($this->_ch, CURLOPT_URL, $url );curl_setopt ($this->_ch, CURLOPT_HEADER,0);curl_setopt ( $this->_ch, CURLOPT_REFERER, $this->_referer [$action] );curl_exec ( $this->_ch );curl_close($this->_ch);@fclose($fp);}return true;}catch (exception $e){return false;}}public function put($action, $query = array()) {curl_setopt ( $this->_ch, CURLOPT_CUSTOMREQUEST, 'PUT' );return $this->post( $action, $query );}public function delete($action, $query = array()) {curl_setopt ( $this->_ch, CURLOPT_CUSTOMREQUEST, 'DELETE' );return $this->post( $action, $query );}public function head($action, $query = array()) {curl_setopt ( $this->_ch, CURLOPT_CUSTOMREQUEST, 'HEAD' );return $this->post( $action, $query );}public function options($action, $query = array()) {curl_setopt ( $this->_ch, CURLOPT_CUSTOMREQUEST, 'OPTIONS' );return $this->post( $action, $query );}public function trace($action, $query = array()) {curl_setopt ( $this->_ch, CURLOPT_CUSTOMREQUEST, 'TRACE' );return $this->post( $action, $query );}public function connect() {}public function follow_location() {preg_match ( '#Location:\s*(.+)#i', $this->header (), $match );if (isset ( $match [1] )) {$this->set_action( 'auto_location_gateway', $match [1], $this->effective_url () );$this->get( 'auto_location_gateway' )->follow_location ();}return $this;}public function set_action($action, $url, $referer = '') {$this->_url [$action] = $url;$this->_referer [$action] = $referer;return $this;}public function header() {return $this->_header;}public function body() {return $this->_body;}public function effective_url() {return curl_getinfo ( $this->_ch, CURLINFO_EFFECTIVE_URL );}public function http_code() {return curl_getinfo($this->_ch, CURLINFO_HTTP_CODE);}private function _requrest() {$response = curl_exec ( $this->_ch );$errno = curl_errno ( $this->_ch );if ($errno > 0) {throw new Curl_Manager_Exception ( curl_error ( $this->_ch ), $errno );}$header_size = curl_getinfo ( $this->_ch, CURLINFO_HEADER_SIZE );$this->_header = substr ( $response, 0, $header_size );$this->_body = substr ( $response, $header_size );}public function __destruct() {$this->close ();}}