封装调用接口类

<?php
header( "content-type:text/html;charset=utf-8" );
class  Collect
{
    public  $userAgent  = NULL;                 // 伪造浏览器标识
    protected  $url ;                             //网页地址
    protected  $object ;
    protected  $curlInfo  =  array ();              // 采集信息


    /** 公共初始化 CURL 选项 */
    protected  function  _init( $url = '' , $issetcookie =FALSE, $isfollow =FALSE)
    {
        $this ->url =  $url ;
        $this ->object = curl_init( $this ->url);

        date_default_timezone_set( 'PRC' );
        curl_setopt( $this ->object, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt( $this ->object, CURLOPT_HEADER, 0);
        if (isset( $this ->userAgent))
        {
            curl_setopt( $this ->object,CURLOPT_USERAGENT,  $this ->userAgent);
        }
        // 是否设置 COOKIE
        if ( $issetcookie )
        {
            curl_setopt( $this ->object, CURLOPT_COOKIESESSION, TRUE);
            curl_setopt( $this ->object, CURLOPT_COOKIEFILE,  "cookiefile" );
            curl_setopt( $this ->object, CURLOPT_COOKIEJAR,  "cookiefile" );
        }
        if ( $isfollow )
        {
            curl_setopt( $this ->object, CURLOPT_FOLLOWLOCATION,1);     //允许url跳转
        }

    }

    /**
     * get 抓取网页 调用接口
     * url    抓取的网页
     * pearm  参数
     */
    public  function  curlGet( $url , $pearm = '' )
    {
        $str  =  '' ;
        if ( is_array ( $pearm ))
        {
            foreach  ( $pearm  as  $key  =>  $value ) {
                if ( empty ( $str ))
                {
                    $str  .=  '?' . $key . '=' . $value ;
                }
                else
                {
                    $str  .=  '&' . $key . '=' . $value ;
                }
            }
        }
        else
        {
            $str  =  '?' . $pearm ;
        }
        $this ->_init( $url . $str );
        $content   =  $this ->curlExec( $this ->object);
        // curl_close($this->object);
        return  $content ;
    }

    /**
     * post 抓取网页 调用接口
     * url  网址
     * pearm  参数
     */
    public  function  curlPost( $url , $pearm = '' )
    {
        $this ->_init( $url );

        curl_setopt( $this ->object, CURLOPT_POST, 1);         //使用post去传值
        curl_setopt( $this ->object, CURLOPT_POSTFIELDS,  $pearm );   // 传递参数
        curl_setopt( $this ->object, CURLOPT_HTTPHEADER,  array ( 'application/x-www-form-urlencoded' ,  'Content-length: ' . strlen ( $pearm )));
        $content   =  $this ->curlExec( $this ->object);
        return  $content ;
    }
    /**
     *  获取抓取信息
     */
    public  function  getInfo()
    {
        return  curl_getinfo( $this ->object);
    }
    /**
     *  释放句柄
     */
    public  function  __destruct()
    {
        curl_close( $this ->object);
    }
    /**
     * 执行curl会话
     */
    protected  function  curlExec( $object )
    {
        $info  = curl_exec( $this ->object);
        if (curl_errno( $this ->object))
        {
            return   'Curl error: '  . curl_error( $this ->object);
        } else
        {
            return  $info ;
        }
    }

}
//------------------------------- GET DEMO ----------------------------------------
/* 780天气接口*/
// $url = "http://api.k780.com:88";
// $data = "app=weather.today&weaid=101010100&appkey=10003&sign=b59bc3ef6191eb9f747dd4e83c99f2a4&format=xml";
// $data = array(
//             'app'   => 'weather.today',
//             'weaid' => '101010100',
//             'appkey'=> '10003',
//             'sign'  => 'b59bc3ef6191eb9f747dd4e83c99f2a4',
//             'format'=> 'xml',
//         );
// $ob = new Collect;
// echo $content = $ob->curlGet($url,$data);
// die();
//=======================================================================//

//------------------------------- GET DEMO ----------------------------------------
// 调用百度天气接口(该方式会限制次数)
// $url = "http://api.map.baidu.com/telematics/v3/weather";
// // $data = "location=吉林&output=JSON&ak=FK9mkfdQsloEngodbFl4FeY3";
// $data = array(
//             'location'   => '太原',
//             'output'      => 'JSON',
//             'ak'         => 'FK9mkfdQsloEngodbFl4FeY3',
// );
// $ob = new Collect;
// echo $content = $ob->curlGet($url,$data);
// die();
//=======================================================================//
//------------------------------- POST DEMO ----------------------------------------
// 调用web天气接口 (post)
// $url = 'www.webxml.com.cn/WebServices/WeatherWebService.asmx/getWeatherbyCityName';
// $param = 'theCityName=石家庄';
// $ob = new Collect;
// $ob->userAgent = $_SERVER['HTTP_USER_AGENT'];
// echo $ob->curlPost($url,$param);
// print_r($ob->getInfo());
// die();
//=======================================================================//