最近在写一个网页的时候，需要用到PHPmailer来发送邮件，按照官网上给出的demo写出一个例子，却报错Extension missing: openssl

　　　最后发现需要修改php.ini中的配置：

　　　将其中的

　　　　　　extension=php_openssl.dll

　　　打开即可。

　　　

　　　demo代码添加如下：

1 
     SMTPDebug = 3;                               // Enable verbose debug output 7  8 $mail->isSMTP();                                      // Set mailer to use SMTP 9 $mail->Host = 'smtp1.example.com;smtp2.example.com';  // Specify main and backup SMTP servers10 $mail->SMTPAuth = true;                               // Enable SMTP authentication11 $mail->Username = 'user@example.com';                 // SMTP username12 $mail->Password = 'secret';                           // SMTP password13 $mail->SMTPSecure = 'tls';                            // Enable TLS encryption, `ssl` also accepted14 $mail->Port = 587;                                    // TCP port to connect to15 16 $mail->setFrom('from@example.com', 'Mailer');17 $mail->addAddress('joe@example.net', 'Joe User');     // Add a recipient18 $mail->addAddress('ellen@example.com');               // Name is optional19 $mail->addReplyTo('info@example.com', 'Information');20 $mail->addCC('cc@example.com');21 $mail->addBCC('bcc@example.com');22 23 $mail->addAttachment('/var/tmp/file.tar.gz');         // Add attachments24 $mail->addAttachment('/tmp/image.jpg', 'new.jpg');    // Optional name25 $mail->isHTML(true);                                  // Set email format to HTML26 27 $mail->Subject = 'Here is the subject';28 $mail->Body    = 'This is the HTML message body in bold!';29 $mail->AltBody = 'This is the body in plain text for non-HTML mail clients';30 31 if(!$mail->send()) {32     echo 'Message could not be sent.';33     echo 'Mailer Error: ' . $mail->ErrorInfo;34 } else {35     echo 'Message has been sent';36 }