正则提取页面标签内容
public function tel(){
	// header('Content-type:text/html;charset=GBK');
	$url='https://shouji.supfree.net/fish.asp?cat='.$_REQUEST['tel'];
	$str=$this->httpsRequestlison($url,'');
	$str=iconv("GB2312","UTF-8",$str);//GB2312转换为utf-8
	preg_match('/<p><span class="bgreen">归属地：<(.*?)>(.*?)<\/p>/i', $str, $mach);
	var_dump($mach[2]);exit;
}

function httpsRequestlison($url, $data = null){
    $ch = curl_init();
    //设置url
    curl_setopt($ch, CURLOPT_URL, $url);
    //设置curl_exec方法的返回值,结果返回,不自动输出任何内容
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    if(!empty($data)){
        //发送post请求,
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
    }
    //跳过ssl检查项
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    //发送请求
    $result = curl_exec($ch);
    curl_close($ch);
    return $result;
}