playlet/app/Service/ChatService....

<?php


namespace App\Service;


use App\Log;
use App\Models\AuthorizeCorp;

class ChatService
{
    /**
     * 同步客户和客服间的聊天记录
     * @param string $corpid 企业ID
     * @param string $token 回调事件返回的token字段，10分钟内有效；可不填，如果不填接口有严格的频率限制
     * @param int $limit 期望请求的数据量,不允许超过1000
     * @param int $voiceFormat 语音消息类型，0-Amr 1-Silk，默认0。可通过该参数控制返回的语音格式
     * */
    public static function syncChatMsg($corpid, $token, $limit=1000, $cursor=null, $voiceFormat=0)
    {
        # 获取SuiteAccessToken
        $accessToken = AuthorizeCorp::getAccessToken($corpid, '获取客户与客服聊天记录');
        if(empty($accessToken)) {   // 令牌获取失败，发送报警
            Log::logError('【获取外部联系人信息详情】令牌获取失败', [
                'corpid' => $corpid,
                'token' => $token,
                'cursor' => $cursor,
                'limit' => $limit,
                'voice_format' => $voiceFormat,
                'access_token' => $accessToken
            ], 'SyncChatMsg');

            return false;
        }

        # 获取外部联系人详情信息API
        $requestUri = config('qyWechat.sync_chat_msg');
        $requestUri .= $accessToken;

        $postData = array(
            'token' => $token,
            'limit' => $limit,
            'voice_format' => $voiceFormat
        );

        if($cursor) $postData['cursor'] = $cursor;

        Log::logInfo('请求参数：', $postData, '05-05Sync');

        $response = HttpService::httpPost($requestUri, json_encode($postData));
        $responseData = json_decode($response, true);
        Log::logInfo('响应结果：', $responseData, '05-05Sync');
        return $responseData;
    }
}