php+cul+post,php curl封装类使用例子_PHP教程

//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;

}

}

?>

用法

GET用法：

$curl = new Curl();

$curl->get(‘http://www.111cn.net/’);

POST用法

$curl = new Curl();

$curl->get(‘http://www.111cn.net/’, ‘p=1&time=0′);

总结

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