//2.接收信息
$act = $_GET['act'];
$username = addslashes($_POST['username']);
$password = md5($_POST['password']);
$email = $_POST['email'];
$table = 'user';
//3.得到连接对象
$PdoMySQL = new PdoMySQL();
if ($act === 'reg') {
$regtime = time();
//完成注册的功能
$token = md5($username . $password . $regtime);
$token_exptime = $regtime + 24 * 3600;
//过期时间
$data = compact('username', 'password', 'email', 'token', 'token_exptime', 'regtime');
$res = $PdoMySQL->add($data, $table);
$lastInsertId = $PdoMySQL->getLastInsertId();
if ($res) {
//发送邮件，以QQ邮箱为例
//配置邮件服务器，得到传输对象
$transport = Swift_SmtpTransport::newInstance('smtp.qq.com', 25);
//设置登陆帐号和密码
$transport->setUsername('*****@*****.**');
$transport->setPassword($emailPassword);
//得到发送邮件对象Swift_Mailer对象
$mailer = Swift_Mailer::newInstance($transport);
//得到邮件信息对象
$message = Swift_Message::newInstance();
//设置管理员的信息
$message->setFrom(array('*****@*****.**' => 'King'));
//将邮件发给谁
