How to send emails using ThinkPHP5

1. Composer installs phpmailer

composer require phpmailer/phpmailer

2. Encapsulate the mail service class in ThinkPHP

I encapsulate it in the extension directory extend/Mail.php In the file, the content is as follows:

<?php
/**
* 邮件服务类
*/
class Mail extends \PHPMailer
{
    function __construct()
    {
        date_default_timezone_set(&#39;PRC&#39;);                          // 默认时区设置
         $this->CharSet = config(&#39;mail.charset&#39;);                   // 邮件编码设置
        $this->isSMTP();                                           // 启用SMTP服务
        $this->SMTPDebug = config(&#39;mail.smtp_debug&#39;);              // Debug模式级别
        $this->Debugoutput = config(&#39;mail.debug_output&#39;);          // Debug输出类型
        $this->Host = config(&#39;mail.host&#39;);                         // SMTP服务器地址
        $this->Port = config(&#39;mail.port&#39;);                         // 端口号
        $this->SMTPAuth = config(&#39;mail.smtp_auth&#39;);                // SMTP登录认证
        $this->SMTPSecure = config(&#39;mail.smtp_secure&#39;);            // SMTP安全协议
        $this->Username = config(&#39;mail.username&#39;);                 // SMTP登录邮箱
        $this->Password = config(&#39;mail.password&#39;);                 // SMTP登录密码
        $this->setFrom(config(&#39;mail.from&#39;), config(&#39;mail.from_name&#39;));            // 发件人邮箱和名称
        $this->addReplyTo(config(&#39;mail.reply_to&#39;), config(&#39;mail.reply_to_name&#39;)); // 回复邮箱和名称
    } 
    /**
     * 发送邮件
     * @param  [type] $toMail      收件人地址
     * @param  [type] $toName      收件人名称
     * @param  [type] $subject     邮件主题
     * @param  [type] $content     邮件内容，支持html
     * @param  [type] $attachment  附件列表。文件路径或路径数组
     * @return [type]              成功返回true，失败返回错误消息
     */
    function sendMail($toMail, $toName, $subject, $content, $attachment = null)
    {
        $this->addAddress($toMail, $toName);
        $this->Subject = $subject;
        $this->msgHTML($content);      
        if($attachment) { // 添加附件
            if(is_string($attachment)){
                is_file($attachment) && $this->AddAttachment($attachment);
            }
            else if(is_array($attachment)){
                foreach ($attachment as $file) {
                    is_file($file) && $this->AddAttachment($file);
                }
            }      
        } 
        if(!$this->send()){ // 发送
            return $this->ErrorInfo;
        }
        else{
            return true;
        }
    }
}

Note: If you send an attachment, it is recommended to use the English path. Chinese paths may cause attachments to fail to be sent and emails received without attachments.

I put some of the configuration parameters required above in the extension configuration directory application/extra/mail.php file. The content is as follows:

<?php
/**
 * 邮件服务相关配置
 */
return [
	&#39;charset&#39; => &#39;utf-8&#39;,                  // 邮件编码
	&#39;smtp_debug&#39; => 0,                     // Debug模式。0: 关闭，1: 客户端消息，2: 客户端和服务器消息，3: 2和连接状态，4: 更详细
	&#39;debug_output&#39; => &#39;html&#39;,              // Debug输出类型。`echo`（默认）,`html`,或`error_log`
	&#39;host&#39; => &#39;smtp.126.com&#39;,              // SMTP服务器地址
	&#39;port&#39; => 465,                         // 端口号。默认25
	&#39;smtp_auth&#39; => true,                   // 启用SMTP认证
	&#39;smtp_secure&#39; => &#39;ssl&#39;,                // 启用安全协议。&#39;&#39;（默认）,&#39;ssl&#39;或&#39;tls&#39;，留空不启用
	&#39;username&#39; => &#39;yourname@example.com&#39;,  // SMTP登录邮箱
	&#39;password&#39; => &#39;yourpassword&#39;,          // SMTP登录密码。126邮箱使用客户端授权码，QQ邮箱用独立密码
	&#39;from&#39; => &#39;from@example.com&#39;,          // 发件人邮箱
	&#39;from_name&#39; => &#39;name&#39;,                 // 发件人名称
	&#39;reply_to&#39; => &#39;&#39;,                      // 回复邮箱的地址。留空取发件人邮箱
	&#39;reply_to_name&#39; => &#39;&#39;,                 // 回复邮箱人名称。留空取发件人名称
];

Note: Generally, the default port is 25. If the security protocol ssl is used, the port number is usually 465 or 587. For example, 126 mailbox. It is recommended to use a secure protocol, because Alibaba Cloud servers prohibit port 25 of non-secure protocols.

3. Test

In the method in the controller, add the test code:

public function mail()
{
    $mail = new \Mail;
    $ok = $mail->sendMail(&#39;xxxxxxxxx@qq.com&#39;, &#39;mingc&#39;, &#39;邮件来了&#39;, &#39;<p style="color: #f60; font-weight: 700;">恭喜，邮件成功!</p>&#39;, &#39;C:/Users/Administrator/Desktop/body.bmp&#39;);
    var_dump($ok);
}

Here I use 126 email, security protocol ssl, port number 465, sending html content, test successful:

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