php curl post数据类

 

class PostData
{
	
	private $postURL; //要请求的url地址
	private $postData; //提交的数据 key=>value方式
	
	/**
	 * 表示应答信息
	 * @var unknown_type
	 */
	private $responseBody; 
	
	/**
	 * 表示应答头信息
	 * @var unknown_type
	 */
	private $responseHead; 
	
	/**
	 * 
	 * @var unknown_type
	 */
	private $errMessage = ''; //返回的错误信息
	
	public $CRLF = "\r\n";
	public $sCookieFile = 'E:/tmp.cookie';
	
	/**
	* 构造方法
	*
	* @author 
	* @param 要请求的url地址
	* @param 要提交的数据
	 */
	function __construct($url='', $data='')
	{
		$this->setPostURL($url);
		$this->setPostData($data);
	}
	
	/**
	* 设置url的值
	*
	* @author 
	* @param 要请求的url地址
	 */
	public function setPostURL($url)
	{
		$this->postURL = $url;
	}
	
	/**
	* 设置data的值
	*
	* @author 
	* @param 要提交的数据
	 */
	public function setPostData($data)
	{
		$this->postData = $data;
	}
	
	/**
	 * 
	* 返回错误信息
	*
	* @author 
	* @param type 说明
	* @return 返回说明
	 */
	public function getErrMessage()
	{
		return $this->errMessage;
	}
	
	/**
	* 返回应答信息
	*
	* @author 
	* @param type 说明
	* @return 返回说明
	 */
	public function getResponseBody()
	{
		return $this->responseBody;
	}
	
	/**
	* 返回应答头信息
	*
	* @author 
	* @param type 说明
	* @return 返回说明
	 */
	public function getResponseHead()
	{
		return $this->responseHead;
	}
	
	/**
	 * <br />
	 * <span><strong>此方法已过期，不建议用,请用curlpost</strong></span><br /><br />
	* 将$this->data提交到$this->url
	*
	* @author 
	* @param postType 提交形式，post或是get
	* @param extensionalHeader 扩展的头文件。格式：array('Host' => 'Host: www.example.com','Connection' => 'Connection: close')
	* @return 返回的数据
	* 
	 */
	public function sendpost($postType='POST' ,$extensionalheader = array())
	{
		$url = $this->postURL;
		$data = $this->postData == '' || !isset($this->postData) ? array() : $this->postData;
		//先解析url
		$url = parse_url($url);
		$url_port = !isset($url['port']) ? (($url['scheme'] == 'http') ? 80 : 443) : $url['port'];
		if (!$url)
		{
			$this->errMessage = "couldn't parse url";
			return false;
		}
		//将参数拼成URL key1=value1&key2=value2 的形式
		$encoded = "";
		while (list($k, $v) = each($data))
		{
			$encoded .= ($encoded ? '&' : '');
			$encoded .= rawurlencode($k)."=".rawurlencode($v);
		}
		//echo $encoded;exit;
		$len = strlen($encoded);
		//拼上http头
		$out = "{$postType} ".$url['path'].(isset($url['query']) ? ('?'.$url['query']) : '')." HTTP/1.1".$this->CRLF;
		$host = "Host:".$url['host'];
		$content_type = 'Content-type: application/x-www-form-urlencoded';
		$connection = 'Connection: close';
		$iheads = array(
				'Host' => $host,
				'Content-type' => $content_type,
				'Connection' => $connection,
				);
		$heads = array_merge($iheads, $extensionalheader);
		foreach ($heads as $k => $v)
		{
			$out .= $v.$this->CRLF;
		}
		$out .= "Content-Length: $len".$this->CRLF;
		$out .= $this->CRLF;
		$out .= $encoded.$this->CRLF;

		//打开一个sock
		$fp = @fsockopen($url['host'], $url_port);
		$line = "";
		if (!$fp)
		{
			$this->errMessage = "{$errstr}({$errno})\n";
			return false;
		}
		else
		{
			fwrite($fp,$out);
			while (!feof($fp))
			{
				$line .= fgets($fp, 2048);
			}
		}
		if ($line)
		{
			$head = substr($line, 0, strpos($line, $this->CRLF.$this->CRLF));
			$body = stristr($line, $this->CRLF.$this->CRLF);
			$body = substr($body, 4, strlen($body));
		}
		fclose($fp);
		$this->responseHead = $head;
		$this->responseBody = $body;
		return $line;
	}
	
	/**
	* 
	* 用curl向指定url提交数据
	*
	* @author 
	* @param $sendType str 提交类型 【可选】
	* @param $extensionalheader array 附加头 【可选】
	* @param $sendCookieFile boolean 是否发送cookie文件的路径 【可选】 默认路径为 tmp.cookie
	* @param $saveCookieFile boolean 是否保存cookie文件的路径 【可选】默认路径为 tmp.cookie
	* @param $cookie string 要发送的cookie字符串  比sendCookie参数优先级低如果已有sendCookie 则此选项无效【可选】
	* @return 返回 返回的数据
	 */
	public function curlpost($sendType = 'POST' ,$extensionalheader = array()
			, $sendCookieFile = false, $saveCookieFile = false, $cookie = false)
	{
		$url = $this->postURL;
		$data = $this->postData;
		$aurl = parse_url($url);
		$encoded = "";
		
		//$sCookieFile = tempnam('.','cookie');
		
		while (list($k, $v) = each($data))
		{
			$encoded .= ($encoded ? '&' : '');
			$encoded .= rawurlencode($k)."=".rawurlencode($v);
		}
		
		$ch = curl_init();										//初始化CURL句柄
		curl_setopt($ch, CURLOPT_URL, $url); 					//设置请求的URL
		curl_setopt($ch, CURLOPT_HEADER, 1);
		
		//*-----------------设置发送cookie
		if ($sendCookieFile)
		{
			curl_setopt($ch, CURLOPT_COOKIEFILE, $this->sCookieFile);
		}
		else if ($cookie)
		{
			curl_setopt($ch, CURLOPT_COOKIE, $cookie);
		}
		//设置保存cookie
		if ($saveCookieFile)
		{
			curl_setopt($ch, CURLOPT_COOKIEJAR, $this->sCookieFile);
		}
		//-------------------------------*/
		
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);			// 设为TRUE把curl_exec()结果转化为字串，而不是直接输出
		
		if ($sendType != 'GET')
		{
			curl_setopt($ch, CURLOPT_POST, 1);					//启用POST提交
			curl_setopt($ch, CURLOPT_POSTFIELDS, $encoded); 	//设置POST提交的字符串
		}
		
		$host = $aurl['host'];
		
		$iheads = array(
				'Host' => $host
				,'Content-type' => 'Content-type: application/x-www-form-urlencoded'
				,'Connection' => 'Connection: close'
			);
		$heads = array_merge($iheads, $extensionalheader);
		curl_setopt($ch, CURLOPT_HTTPHEADER, $heads);			//设置HTTP头信息
		
		//curl_setopt($ch, CURLOPT_COOKIEFILE, $sCookieFile);		//从$sCookieFile文件里得到信息
		//file_put_contents($sCookieFile, '');
		//curl_setopt($ch, CURLOPT_COOKIEJAR, $sCookieFile);		//保存cookie信息到$sCookieFile文件里
		
		$document = curl_exec($ch);								//执行预定义的CURL
		$this->errMessage = curl_error($ch);
		
		$info = curl_getinfo($ch);
		curl_close($ch);
		$this->responseHead = substr($document, 0, $info['header_size']);
		$this->responseBody = substr($document, $info['header_size']);
		return $document;
	}
	/**
	 * 
	* 清除cookie文件中的内容
	*
	* @author 
	* @param type 说明
	* @return 返回说明
	 */
	function clearCookie()
	{
		file_put_contents($this->sCookieFile, '');
	}
}