function sendMsg($mobile, $content) {
    $tc = file_get_contents('config/sms.tmp.php');
    $tmp = explode('@', $tc);
    if ($tmp[0] >= config::get('sms_maxnum') && $tmp[1] == date('Y-m-d')) {
    	front::flash('发送失败,请检查用户名、密码或剩余条数');
        return;
    }
    include_once("phprpc/phprpc_client.php");
    $client = new PHPRPC_Client();
    $client->setProxy(NULL);
    $client->useService('http://pay.cmseasy.cn/sms.php');
    $client->setKeyLength(128);
    $client->setEncryptMode(3);
    $keys = config::get('sms_keyword');
    if ($keys != '') {
        $keys = explode(',', $keys);
        $content = str_ireplace($keys, '*', $content);
    }
    $rs = $client->sendMsg($mobile, $content, config::get('sms_username'), md5(config::get('sms_password')));
    if ($rs->SendSMSResult == '0') {
        $num = $tmp[0] + 1;
        file_put_contents('config/sms.tmp.php', $num . '@' . date('Y-m-d'));
    }
    return $rs;
}