标签钉钉下的文章

> CommentToDingtalk 项目地址：https://github.com/MoLeft/CommentToDingtalk

# 运行报以下错误

```
Using $this when not in object context
Error: Using $this when not in object context in //nowtime.cc/usr/plugins/CommentToDingtalk/Plugin.php:123
Stack trace:
#0 /nowtime.cc/usr/plugins/CommentToDingtalk/Plugin.php(87): CommentToDingtalk_Plugin::getWebhook('https://oapi.di...', 'SECca000000000...')
#1 /nowtime.cc/var/Typecho/Plugin.php(489): CommentToDingtalk_Plugin::send(Object(Widget_Feedback), NULL)
#2 /nowtime.cc/var/Widget/Feedback.php(146): Typecho_Plugin->__call('Widget_Feedback...', Array)
#3 /nowtime.cc/var/Widget/Feedback.php(336): Widget_Feedback->comment()
#4 /nowtime.cc/var/Typecho/Router.php(138): Widget_Feedback->action()
#5 /nowtime.cc/index.php(30): Typecho_Router::dispatch()
#6 {main}
```

# 原因
在静态方法中调用非静态方法，导致其报错

# 解决方法
将 **静态方法** 中调用 **非静态方法** `$this->` 改成 `(new self())->` 即可

以下是修改后的 `Plugin.php`，你可以直接复制以下代码进行替换：
```
<?php
if (!defined('__TYPECHO_ROOT_DIR__')) {
    exit;
}

/**
 * Typecho评论推送到钉钉插件
 *
 * @package CommentToDingtalk
 * @author MoLeft
 * @version 1.0
 * @link http://www.moleft.cn/
 */
class CommentToDingtalk_Plugin implements Typecho_Plugin_Interface
{
    /* 激活插件方法 */
    public static function activate()
    {
        //挂载评论接口
        Typecho_Plugin::factory('Widget_Feedback')->finishComment = array('CommentToDingtalk_Plugin', 'send');

return '插件已激活,请设置相关信息';
    }

/* 禁用插件方法 */
    public static function deactivate()
    {
        return '插件已禁用';
    }

/* 插件配置方法 */
    public static function config(Typecho_Widget_Helper_Form $form)
    {
        $webhook = new Typecho_Widget_Helper_Form_Element_Text('webhook', null, '', 'Webhook地址', '请将钉钉中的webhook地址填到此处');
        $secret  = new Typecho_Widget_Helper_Form_Element_Text('secret', null, '', 'Secret密钥', '请将钉钉中的Secret密钥填到此处');
        $form->addInput($webhook);
        $form->addInput($secret);
    }

/**
     * 个人用户的配置面板
     *
     * @access public
     * @param Typecho_Widget_Helper_Form $form
     * @return void
     */
    public static function personalConfig(Typecho_Widget_Helper_Form $form)
    {

}

/* 插件实现方法 */
    public static function render()
    {

}

/* 推送通知方法 */
    public static function send($post)
    {
        //获取系统配置
        $options = Helper::options();
        //判断是否配置webhook地址
        if (is_null($options->plugin('CommentToDingtalk')->webhook)) {
            throw new Typecho_Plugin_Exception(_t('Webhook地址未配置'));
        }
        //判断是否配置secret密钥
        if (is_null($options->plugin('CommentToDingtalk')->secret)) {
            throw new Typecho_Plugin_Exception(_t('Secret密钥未配置'));
        }
        $webhook = $options->plugin('CommentToDingtalk')->webhook;
        $secret  = $options->plugin('CommentToDingtalk')->secret;
		$text = "###您收到了一条新评论\n文章标题：{$post->title}\n评论作者：{$post->author}\n评论内容：{$post->text}";
        $data = [
            'msgtype' => 'actionCard',
            'actionCard' => [
                'title' => '您收到了一条新评论',
                'text' => $text,
                'btnOrientation' => 1,
                'hideAvatar' => 0,
                'singleTitle' => '查看详情',
                'singleURL' =>$post->permalink
            ]
        ];
        
        //我修改了这里
        //我修改了这里
        //我修改了这里
		$response = (new self())->request((new self())->getWebhook($webhook,$secret), json_encode($data));
        //我修改了这里
        //我修改了这里
        //我修改了这里

if($response['errcode'] !== 0){
            //发送失败，记录日志
            $log = @file_get_contents('./error.log');
            file_put_contents('./error.log','['.date("Y-m-d H:i:s").']'.$response['errmsg']);
        }
    }

/* Curl请求精简版 */
    private function request($url, $postData)
    {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
        curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json;charset=utf-8'));
        curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        // 线下环境不用开启curl证书验证, 未调通情况可尝试添加该代码
        // curl_setopt ($ch, CURLOPT_SSL_VERIFYHOST, 0);
        // curl_setopt ($ch, CURLOPT_SSL_VERIFYPEER, 0);
        $data = curl_exec($ch);
        curl_close($ch);
        return json_decode($data, true);
    }

/* webhook地址 */
    private function getWebhook($webhook, $secret)
    {
        list($msec, $sec) = explode(' ', microtime());
        $timestamp        = (float) sprintf('%.0f', (floatval($msec) + floatval($sec)) * 1000);
        $sign             = $this->signSecret($timestamp, $secret);
        $webhook_url      = "{$webhook}×tamp={$timestamp}&sign={$sign}";
        return $webhook_url;
    }

/* 计算签名 */
    private function signSecret($timestamp,$secret){
    	$stringToSign = $timestamp."\n".$secret;
    	return urlencode(base64_encode(hash_hmac('sha256', $stringToSign, $secret, true)));
    }
}
```

Typecho 使用 CommentToDingtalk (评论推送至钉钉)插件遇到的问题

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