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CurlRequest.php
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CurlRequest.php
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<?php
namespace CurlRequest;
/**
* Class CurlRequests.
*/
class CurlRequest
{
private $curl_options = array(
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_0,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => 'utf8',
CURLOPT_USERAGENT => 'CurlRequest',
);
private $timeout = 30;
private $req_method = 'GET';
private $headers = array();
private $url = '';
protected static $instances = array();
/**
* 单例.
*
* @return self
*/
public static function Instance()
{
return self::InstanceInternal(__CLASS__);
}
/**
* 常住进程模型,需要调用该方法,销毁对象
*
* @return void
*/
public static function Destroy()
{
unset(self::$instances[__CLASS__]);
}
/**
* 单例.
*
* @param string $cls 类名字.
*
* @return mixed
*/
protected static function InstanceInternal($cls)
{
if (!isset(self::$instances[$cls]))
self::$instances[$cls] = new $cls();
return self::$instances[$cls];
}
/**
* 设置curl的选项.
*
* @param $key
* @param $value
*
* @return $this
*/
public function setCurlOption($key, $value)
{
$this->curl_options[$key] = $value;
return $this;
}
/**
* 设置请求方法.
*
* @param string $method 请求方法.
*
* @return $this
*/
public function setMethod($method)
{
$this->req_method = strtoupper($method);
return $this;
}
/**
* 设置请求域名
*
* @param string $url
*
* @return $this
*/
public function setUrl($url)
{
$this->url = $url;
return $this;
}
/**
* 批量这是Header
*
* @param array $header
*
* @return $this
*/
public function setHeaderMap($header = array())
{
if (empty($header)) {
return $this;
}
foreach ($header as $key => $value) {
$this->setHeader($key, $value);
}
return $this;
}
/**
* 设置请求头,比如User_agent等信息.
*
* @param $key
* @param $value
*
* @return $this
*/
public function setHeader($key, $value)
{
$this->headers[$key] = "{$key}: {$value}";
return $this;
}
/**
* 设置超时时间,单位秒,默认30秒.
*
* @param $timeout
*
* @return $this
*/
public function setTimeout($timeout)
{
$this->timeout = $timeout;
return $this;
}
/**
* 发起一个请求.
*
* @param array $params 请求的参数.
*
* @return mixed 请求结果.
* @throws \Exception
*/
public function request($params=array())
{
$ch = curl_init();
foreach ($this->curl_options as $k => $v) {
curl_setopt($ch, $k, $v);
}
switch ($this->req_method) {
case 'GET':
$contact_char = strpos($this->url, '?') === false ? '?' : '&';
$this->url = $this->url.$contact_char.http_build_query($params, null, '&');
break;
case 'POST':
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
break;
}
curl_setopt($ch, CURLOPT_TIMEOUT, $this->timeout);
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_HTTPHEADER, array_values($this->headers));
curl_setopt($ch, CURLOPT_URL, $this->url);
$response = curl_exec($ch);
if ($response === false) {
throw new \Exception(curl_error($ch));
}
curl_close($ch);
return $response;
}
}