通过phpmailer绑定邮箱的步骤

<?php
return array (
 'email_host' => 'smtp.aliyun.com',
 'email_port' => '25',
 'email_username' => 'diandodo@aliyun.com',
 'email_password' => 'xxxxxx',
 'email_from' => 'diandodo@aliyun.com',
 'email_fromname' => '点多多',
 'email_subject' => '助店宝商户激活邮箱',
 'email_body' => "尊敬的用户{$username}您好:
  您的激活码为<font color='red'>{$code}</font>,请将激活码输入进行验证! 激活码有效期为6分钟^_^",
);

// 发送邮件
private function _sendEmail($email,$code,$username = '') {
  import('@.ORG.phpmailer');
  $mail = new PHPMailer(); //建立邮件发送类,类名不一定与引入的文件名相同
  $mail->CharSet = "UTF-8";
  $mail->IsSMTP(); // 使用SMTP方式发送
  $mail->Host = C('email_host'); // 您的企业邮局域名
  $mail->SMTPAuth = true; // 启用SMTP验证功能
  $mail->Username = C('email_username'); // 邮局用户名(请填写完整的email地址)
  $mail->Password = C('email_password'); // 邮局密码
  $mail->Port=C('email_port');
  $mail->From = C('email_from'); //邮件发送者email地址
  $mail->FromName = C('email_fromname');
  $mail->AddAddress("$email", "$username");
  $mail->IsHTML(true); // set email format to HTML //是否使用HTML格式
  $mail->Subject = C('email_subject'); //邮件标题
  $email_body = "尊敬的用户<strong>{$username}</strong>您好:
  您的激活码为<font color='red'>{$code}</font>,请将激活码输入进行验证! 激活码有效期为6分钟^_^";
  $mail->Body = $email_body; //邮件内容，上面设置HTML，则可以是HTML
  if(!$mail->Send())
  {
   return array('status'=>2,'info'=>$mail->ErrorInfo);
  } else {
   return array('status'=>1,'info'=>'发送成功');;
  }
}

// 发送邮箱激活码
public function sendActivationcode() {
  session($this->activationtime, null);
  $activationtime = session($this->activationtime);
  $email = $this->_post('email', 'trim');
  if (IS_AJAX && (!$activationtime || time() > $activationtime)) {
   $activationcode = rand(1000, 9999);
   $res = $this->_sendEmail($email,$activationcode,$this->user['username']);
   if($res['status'] == 1) {
    //设置发送限制时间
    session($this->activationtime, time() + 50);
    session($this->activationcode, array('code' => $activationcode, 'time' => time() + 600));
    $this->ajaxReturn(array('result' => true));
   } else {
    //发送失败写入日志文件
    $log = date('Y-m-d H:i:s') . " 发送失败:{$res['info']}" . PHP_EOL;
    file_put_contents(RUNTIME_PATH . 'Log/activationcode.log', $log, FILE_APPEND);
    $this->ajaxReturn(array('result' => false, 'error' => $res['info']));
   }
  } else {
   $this->ajaxReturn(array('result' => false, 'error' => '错误的请求'));
  }
}

// 绑定邮箱
public function bind_email() {
  if (IS_POST) {
   // 获取验证码
   $activationcode = $this->_post('activationcode','trim');
   $email = $this->_post('email','trim');
   $session_activationcode = session($this->activationcode);
   if (time() > $session_activationcode['time'] || $activationcode != $session_activationcode['code']) {
    $this->error('验证码有误');
   } else {
    M('User')->where(array('id'=>$this->user['id']))->save(array('email'=>$email));
    $this->success('绑定成功',U('Account/my'));
   }
  } else {
   $this->display();
  }
}