短信宝发送

    public function read()
    {
        $pwd = md5(123456);//短信宝的密码
        $code = rand(1000,9999);
        $c = '【下雨苏里】你的验证码是:'.$code.'，3分钟内有效！';
        $url ="http://api.smsbao.com/sms?u=短信宝账号&p=$pwd&m=手机号&c=$c";
        $ch = curl_init();
        curl_setopt($ch,CURLOPT_URL,$url);
        curl_setopt($ch,CURLOPT_RETURNTRANSFER,true);
        $res = curl_exec($ch);
        var_dump($res);
    }