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Homephp教程php手册curl类,可用于模拟get,post和curl下载

curl类,可用于模拟get,post和curl下载

Jun 13, 2016 am 10:56 AM
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[php]
class Curl { 
 
    /*
     * get 方式获取访问指定地址
     * @param  string url 要访问的地址
     * @param  string cookie cookie的存放地址,没有则不发送cookie
     * @return string curl_exec()获取的信息
     * @author andy
     **/ 
    public function get( $url, $cookie='' ) 
    { 
        // 初始化一个cURL会话  
        $curl = curl_init($url); 
        // 不显示header信息  
        curl_setopt($curl, CURLOPT_HEADER, 0); 
        // 将 curl_exec()获取的信息以文件流的形式返回,而不是直接输出。  
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); 
        // 使用自动跳转  
        curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); 
        if(!empty($cookie)) { 
            // 包含cookie数据的文件名,cookie文件的格式可以是Netscape格式,或者只是纯HTTP头部信息存入文件。  
            curl_setopt($curl, CURLOPT_COOKIEFILE, $cookie); 
        } 
        // 自动设置Referer  
        curl_setopt($curl, CURLOPT_AUTOREFERER, 1); 
        // 执行一个curl会话  
        $tmp = curl_exec($curl); 
        // 关闭curl会话  
        curl_close($curl); 
        return $tmp; 
    } 
 
    /*
     * post 方式模拟请求指定地址
     * @param  string url   请求的指定地址
     * @param  array  params 请求所带的
     * #patam  string cookie cookie存放地址
     * @return string curl_exec()获取的信息
     * @author andy
     **/ 
    public function post( $url, $params, $cookie ) 
    { 
        $curl = curl_init($url); 
        curl_setopt($curl, CURLOPT_HEADER, 0); 
        // 对认证证书来源的检查,0表示阻止对证书的合法性的检查。  
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); 
        // 从证书中检查SSL加密算法是否存在  
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 1); 
        //模拟用户使用的浏览器,在HTTP请求中包含一个”user-agent”头的字符串。  
        curl_setopt($curl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']); 
        //发送一个常规的POST请求,类型为:application/x-www-form-urlencoded,就像表单提交的一样。  
        curl_setopt($curl, CURLOPT_POST, 1); 
        // 将 curl_exec()获取的信息以文件流的形式返回,而不是直接输出。  
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); 
        // 使用自动跳转  
        curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);  
        // 自动设置Referer  
        curl_setopt($curl, CURLOPT_AUTOREFERER, 1); 
        // Cookie地址  
        curl_setopt($curl, CURLOPT_COOKIEJAR, $cookie); 
        // 全部数据使用HTTP协议中的"POST"操作来发送。要发送文件,  
        // 在文件名前面加上@前缀并使用完整路径。这个参数可以通过urlencoded后的字符串  
        // 类似'para1=val1¶2=val2&...'或使用一个以字段名为键值,字段数据为值的数组  
        // 如果value是一个数组,Content-Type头将会被设置成multipart/form-data。  
        curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($params)); 
        $result = curl_exec($curl); 
        curl_close($curl); 
        return $result; 
    } 
 
    /**
     * 远程下载
     * @param string $remote 远程图片地址
     * @param string $local 本地保存的地址
     * @param string $cookie cookie地址 可选参数由
     * 于某些网站是需要cookie才能下载网站上的图片的
     * 所以需要加上cookie
     * @return void
     * @author andy
     */ 
    public function reutersload($remote, $local, $cookie= '') { 
        $cp = curl_init($remote); 
        $fp = fopen($local,"w"); 
        curl_setopt($cp, CURLOPT_FILE, $fp); 
        curl_setopt($cp, CURLOPT_HEADER, 0); 
        if($cookie != '') { 
            curl_setopt($cp, CURLOPT_COOKIEFILE, $cookie); 
        } 
        curl_exec($cp); 
        curl_close($cp); 
        fclose($fp); 
    } 
 

class Curl {

 /*
  * get 方式获取访问指定地址
  * @param  string url 要访问的地址
  * @param  string cookie cookie的存放地址,没有则不发送cookie
  * @return string curl_exec()获取的信息
  * @author andy
  **/
 public function get( $url, $cookie='' )
 {
  // 初始化一个cURL会话
  $curl = curl_init($url);
  // 不显示header信息
  curl_setopt($curl, CURLOPT_HEADER, 0);
  // 将 curl_exec()获取的信息以文件流的形式返回,而不是直接输出。
  curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
  // 使用自动跳转
  curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
  if(!empty($cookie)) {
   // 包含cookie数据的文件名,cookie文件的格式可以是Netscape格式,或者只是纯HTTP头部信息存入文件。
   curl_setopt($curl, CURLOPT_COOKIEFILE, $cookie);
  }
  // 自动设置Referer
  curl_setopt($curl, CURLOPT_AUTOREFERER, 1);
  // 执行一个curl会话
  $tmp = curl_exec($curl);
  // 关闭curl会话
  curl_close($curl);
  return $tmp;
 }

 /*
  * post 方式模拟请求指定地址
  * @param  string url 请求的指定地址
  * @param  array  params 请求所带的
  * #patam  string cookie cookie存放地址
  * @return string curl_exec()获取的信息
  * @author andy
  **/
 public function post( $url, $params, $cookie )
 {
  $curl = curl_init($url);
  curl_setopt($curl, CURLOPT_HEADER, 0);
  // 对认证证书来源的检查,0表示阻止对证书的合法性的检查。
  curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
  // 从证书中检查SSL加密算法是否存在
  curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 1);
  //模拟用户使用的浏览器,在HTTP请求中包含一个”user-agent”头的字符串。
  curl_setopt($curl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
  //发送一个常规的POST请求,类型为:application/x-www-form-urlencoded,就像表单提交的一样。
  curl_setopt($curl, CURLOPT_POST, 1);
  // 将 curl_exec()获取的信息以文件流的形式返回,而不是直接输出。
  curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
  // 使用自动跳转
  curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
  // 自动设置Referer
  curl_setopt($curl, CURLOPT_AUTOREFERER, 1);
  // Cookie地址
  curl_setopt($curl, CURLOPT_COOKIEJAR, $cookie);
  // 全部数据使用HTTP协议中的"POST"操作来发送。要发送文件,
  // 在文件名前面加上@前缀并使用完整路径。这个参数可以通过urlencoded后的字符串
  // 类似'para1=val1¶2=val2&...'或使用一个以字段名为键值,字段数据为值的数组
  // 如果value是一个数组,Content-Type头将会被设置成multipart/form-data。
  curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($params));
  $result = curl_exec($curl);
  curl_close($curl);
  return $result;
 }

 /**
  * 远程下载
  * @param string $remote 远程图片地址
  * @param string $local 本地保存的地址
  * @param string $cookie cookie地址 可选参数由
  * 于某些网站是需要cookie才能下载网站上的图片的
  * 所以需要加上cookie
  * @return void
  * @author andy
  */
 public function reutersload($remote, $local, $cookie= '') {
  $cp = curl_init($remote);
  $fp = fopen($local,"w");
  curl_setopt($cp, CURLOPT_FILE, $fp);
  curl_setopt($cp, CURLOPT_HEADER, 0);
  if($cookie != '') {
   curl_setopt($cp, CURLOPT_COOKIEFILE, $cookie);
  }
  curl_exec($cp);
  curl_close($cp);
  fclose($fp);
 }

}

 

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