支持 server 酱，不过不推荐使用

.env.example

@@ -82,6 +82,14 @@ WECHAT_AGENT_ID=''
 WECHAT_ENABLE=0
 ######################  end 企业微信  #########################
 
+######################  Server 酱  #########################
+# Server 酱的 SendKey
+SCT_SEND_KEY=''
+
+# 是否启用 Server 酱 送信功能 1：启用 0：不启用 Whether to enable the ServerChan message function 1: enabled 0: not enabled
+SCT_ENABLE=0
+######################  end Server 酱  #########################
+
 # 通知频率 0：仅当有续期操作的时候 1：每次执行 Notification frequency 0: Only when there is a renewal operation 1: Each execution
 NOTICE_FREQ=1
 

config.php

@@ -60,6 +60,17 @@ return [
             'class' => \Luolongfei\Libs\MessageServices\WeChat::class,
             'name' => '企业微信',
         ],
+
+        /**
+         * Server 酱
+         */
+        'sct' => [
+            'sct_send_key' => env('SCT_SEND_KEY'), // SendKey
+            'enable' => (int)env('SCT_ENABLE'), // 是否启用，默认不启用
+
+            'class' => \Luolongfei\Libs\MessageServices\ServerChan::class,
+            'name' => 'Server 酱',
+        ],
     ],
 
     'locale' => 'zh', // 指定语言包，位于resources/lang/目录下

libs/MessageServices/ServerChan.php

@@ -0,0 +1,202 @@
+<?php
+/**
+ * Server 酱
+ *
+ * @author mybsdc <[email protected]>
+ * @date 2021/11/3
+ * @time 9:59
+ */
+
+namespace Luolongfei\Libs\MessageServices;
+
+use GuzzleHttp\Client;
+use Luolongfei\Libs\Connector\MessageGateway;
+
+class ServerChan extends MessageGateway
+{
+    const TIMEOUT = 33;
+
+    /**
+     * @var string SendKey
+     */
+    protected $sendKey;
+
+    /**
+     * @var Client
+     */
+    protected $client;
+
+    public function __construct()
+    {
+        $this->sendKey = config('message.sct.sct_send_key');
+
+        $this->client = new Client([
+            'cookies' => false,
+            'timeout' => self::TIMEOUT,
+            'verify' => config('verify_ssl'),
+            'debug' => config('debug'),
+        ]);
+    }
+
+    /**
+     * 生成域名状态 MarkDown 完整文本
+     *
+     * @param string $username
+     * @param array $domainStatus
+     *
+     * @return string
+     */
+    public function genDomainStatusFullMarkDownText(string $username, array $domainStatus)
+    {
+        $markDownText = sprintf("我刚刚帮小主看了一下，账户 [%s](#) 今天并没有需要续期的域名。所有域名情况如下：\n\n", $username);
+
+        $markDownText .= $this->genDomainStatusMarkDownText($domainStatus);
+
+        $markDownText .= $this->getMarkDownFooter();
+
+        return $markDownText;
+    }
+
+    /**
+     * 获取 MarkDown 页脚
+     *
+     * @return string
+     */
+    public function getMarkDownFooter()
+    {
+        $footer = '';
+
+        $footer .= "\n更多信息可以参考 [Freenom官网](https://my.freenom.com/domains.php?a=renewals) 哦~";
+        $footer .= "\n\n（如果你不想每次执行都收到推送，请将 .env 中 NOTICE_FREQ 的值设为 0，使程序只在有续期操作时才推送）";
+
+        return $footer;
+    }
+
+    /**
+     * 生成域名状态 MarkDown 文本
+     *
+     * @param array $domainStatus
+     *
+     * @return string
+     */
+    public function genDomainStatusMarkDownText(array $domainStatus)
+    {
+        if (empty($domainStatus)) {
+            return "无数据。\n";
+        }
+
+        $domainStatusMarkDownText = '';
+
+        foreach ($domainStatus as $domain => $daysLeft) {
+            $domainStatusMarkDownText .= sprintf('[%s](http://%s) 还有 *%d* 天到期，', $domain, $domain, $daysLeft);
+        }
+
+        $domainStatusMarkDownText = rtrim($domainStatusMarkDownText, '，') . "。\n";
+
+        return $domainStatusMarkDownText;
+    }
+
+    /**
+     * 生成域名续期结果 MarkDown 文本
+     *
+     * @param string $username
+     * @param array $renewalSuccessArr
+     * @param array $renewalFailuresArr
+     * @param array $domainStatus
+     *
+     * @return string
+     */
+    public function genDomainRenewalResultsMarkDownText(string $username, array $renewalSuccessArr, array $renewalFailuresArr, array $domainStatus)
+    {
+        $text = sprintf("账户 [%s](#) 这次续期的结果如下\n\n", $username);
+
+        if ($renewalSuccessArr) {
+            $text .= '续期成功：';
+            $text .= $this->genDomainsMarkDownText($renewalSuccessArr);
+        }
+
+        if ($renewalFailuresArr) {
+            $text .= '续期出错：';
+            $text .= $this->genDomainsMarkDownText($renewalFailuresArr);
+        }
+
+        $text .= "\n今次无需续期的域名及其剩余天数如下所示：\n\n";
+        $text .= $this->genDomainStatusMarkDownText($domainStatus);
+
+        $text .= $this->getMarkDownFooter();
+
+        return $text;
+    }
+
+    /**
+     * 生成域名 MarkDown 文本
+     *
+     * @param array $domains
+     *
+     * @return string
+     */
+    public function genDomainsMarkDownText(array $domains)
+    {
+        $domainsMarkDownText = '';
+
+        foreach ($domains as $domain) {
+            $domainsMarkDownText .= sprintf("[%s](http://%s) ", $domain, $domain);
+        }
+
+        $domainsMarkDownText = trim($domainsMarkDownText, ' ') . "\n";
+
+        return $domainsMarkDownText;
+    }
+
+    /**
+     * 送信
+     *
+     * @param string $content
+     * @param string $subject
+     * @param int $type
+     * @param array $data
+     * @param string|null $recipient
+     * @param mixed ...$params
+     *
+     * @return bool
+     * @throws \Exception
+     */
+    public function send(string $content, string $subject = '', int $type = 1, array $data = [], ?string $recipient = null, ...$params)
+    {
+        $this->check($content, $data);
+
+        if ($type === 1) {
+            // Do nothing
+        } else if ($type === 2) {
+            $content = $this->genDomainRenewalResultsMarkDownText($data['username'], $data['renewalSuccessArr'], $data['renewalFailuresArr'], $data['domainStatusArr']);
+        } else if ($type === 3) {
+            $content = $this->genDomainStatusFullMarkDownText($data['username'], $data['domainStatusArr']);
+        } else {
+            throw new \Exception(lang('error_msg.100003'));
+        }
+
+        try {
+            $resp = $this->client->post(
+                sprintf('https://sctapi.ftqq.com/%s.send', $this->sendKey),
+                [
+                    'form_params' => [
+                        'title' => $subject,
+                        'desp' => str_replace("\n", "\n\n", $content), // Server酱 接口限定，两个 \n 等于一个换行
+                    ],
+                ]
+            );
+
+            $resp = json_decode((string)$resp->getBody(), true);
+
+            if (isset($resp['code']) && $resp['code'] === 0) {
+                return true;
+            }
+
+            throw new \Exception($resp['message'] ?? '未知原因');
+        } catch (\Exception $e) {
+            system_log('Server酱 消息发送失败：<red>' . $e->getMessage() . '</red>');
+
+            return false;
+        }
+    }
+}