开始腾讯提交；

extend/think/filesystem/driver/Txcos.php

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+<?php
+
+namespace think\filesystem\driver;;
+
+use League\Flysystem\AdapterInterface;
+use Qcloud\Cos\Client;
+use think\filesystem\Driver;
+
+class Txcos extends Driver
+{
+    protected function createAdapter(): AdapterInterface
+    {
+
+        $secretId = sysconfig('upload', 'txcos_secret_id');
+        $secretKey = sysconfig('upload', 'txcos_secret_key');
+        $region = sysconfig('upload', 'txcos_region'); //set a default bucket region 设置一个默认的存储桶地域 
+        $cosClient = new Client(
+            array(
+                'region' => $region,
+                'schema' => 'https', //协议头部，默认为http
+                'credentials' => array(
+                    'secretId'  => $secretId,
+                    'secretKey' => $secretKey
+                ),
+                'signHost' => false
+            )
+        );
+        $bucket = sysconfig('upload', 'tecos_bucket'); //存储桶名称 格式：BucketName-APPID
+
+
+
+        $adapter = new \Chunpat\FlysystemTencentCos\Adapter($cosClient, $bucket);
+
+        return $adapter;
+    }
+}