ThinkPHP6.0 + EasyWechat 4.x 公众号自动回复

composer require overtrue/wechat:~4.0

<?php
declare(strict_types=1);
namespace app\controller;
use app\logic\OfficialAccount;
class Message
{
    public function index()
    {
        $token = 'NBoqMdCbgoGNcXQSZBRSiIhyB';
        OfficialAccount::message($token);
    }
}

<?php
namespace app\logic;
class OfficialAccount
{
    /**
     * 自动回复
     *
     * @param string $token 令牌token
     */
    public static function message(string $token)
    {
        // 获取公众号操作实例
        $account = app(\app\lib\OfficialAccount::class);
        // 服务器配置接入验证
        $account->checkSignature($token);
        // 用户发送的数据包数组
        $account->app->server->push(function ($message) {
            switch ($message['MsgType']) {
                case 'text':
                    return '收到文字消息';
                    break;
                default:
                    return '';
                    break;
            }
        });
        $response = $account->app->server->serve();
        $response->send();
    }
    /**
     * 接收用户发送的数据包
     *
     * @return array 数据包数组
     */
    // private static function getMessage(): array
    // {
    //     // 用户发送的xml数据包
    //     $xml = file_get_contents('php://input');
    //     // 将xml数据转为对象
    //     $obj     = simplexml_load_string($xml, "SimpleXMLElement", LIBXML_NOCDATA);
    //     // 将对象转为json字符串,再转回数组
    //     return json_decode(json_encode($obj), true);
    // }
}

<?php
namespace app\lib;
use EasyWeChat\Factory;
class OfficialAccount
{
    /**
     * 初始化配置
     */
    public function __construct()
    {
        $config = [
            'app_id' => 'wx44afd321dc997xxx',
            'secret' => '98b74d03ef0699753fe542274f508xxx',
            // 指定 API 调用返回结果的类型：array(default)/collection/object/raw/自定义类名
            'response_type' => 'array',
        ];
        $this->app = Factory::officialAccount($config);
    }
    // +-----------------------------------------------------------
    // | 公众号自动回复
    // +-----------------------------------------------------------
    /**
     * 服务器配置接入验证
     *
     * @param string $token 令牌(Token)
     */
    public function checkSignature(string $token)
    {
        $nonce     = $_GET["nonce"] ?? '';
        $signature = $_GET["signature"] ?? '';
        $timestamp = $_GET["timestamp"] ?? '';
        $tmpArr = array($token, $timestamp, $nonce);
        sort($tmpArr, SORT_STRING);
        $tmpStr = implode('', $tmpArr);
        $tmpStr = trim(sha1($tmpStr));
        if (empty($token)) die('未设置消息推送token令牌');
        if (empty($signature) || empty($tmpStr) || empty($nonce)) die('非法请求！！！');
        if ($tmpStr != $signature) die('签名验证错误');
        isset($_GET['echostr']) ? die($_GET['echostr']) : '';
    }
}