attach() 方法允许你的发邮件时带上附件，下面是演示代码
/**
* PHP Codeigniter发送带附件的邮件
*
* @param
* @arrange 512-笔记网： 512Pic.com
**/
$this->load->library('email');
$this->email->from('w3@w3mentor.com','W3M');
$this->email->subject('Email Test with attachment');
$this->email->message('Testing the email class IN CODEIGNITER with attachment.');
$this->email->attach('/path/to/attachment1.jpg');
$this->email->send();
/*** 来自编程之家 jb51.cc（jb51.cc） ***/