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vendor/topthink/framework/src/think/Filesystem.php

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+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006~2021 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: yunwuxin <448901948@qq.com>
+// +----------------------------------------------------------------------
+declare (strict_types = 1);
+
+namespace think;
+
+use InvalidArgumentException;
+use think\filesystem\Driver;
+use think\filesystem\driver\Local;
+use think\helper\Arr;
+
+/**
+ * Class Filesystem
+ * @package think
+ * @mixin Driver
+ * @mixin Local
+ */
+class Filesystem extends Manager
+{
+    protected $namespace = '\\think\\filesystem\\driver\\';
+
+    /**
+     * @param null|string $name
+     * @return Driver
+     */
+    public function disk(string $name = null): Driver
+    {
+        return $this->driver($name);
+    }
+
+    protected function resolveType(string $name)
+    {
+        return $this->getDiskConfig($name, 'type', 'local');
+    }
+
+    protected function resolveConfig(string $name)
+    {
+        return $this->getDiskConfig($name);
+    }
+
+    /**
+     * 获取缓存配置
+     * @access public
+     * @param null|string $name    名称
+     * @param mixed       $default 默认值
+     * @return mixed
+     */
+    public function getConfig(string $name = null, $default = null)
+    {
+        if (!is_null($name)) {
+            return $this->app->config->get('filesystem.' . $name, $default);
+        }
+
+        return $this->app->config->get('filesystem');
+    }
+
+    /**
+     * 获取磁盘配置
+     * @param string $disk
+     * @param null   $name
+     * @param null   $default
+     * @return array
+     */
+    public function getDiskConfig($disk, $name = null, $default = null)
+    {
+        if ($config = $this->getConfig("disks.{$disk}")) {
+            return Arr::get($config, $name, $default);
+        }
+
+        throw new InvalidArgumentException("Disk [$disk] not found.");
+    }
+
+    /**
+     * 默认驱动
+     * @return string|null
+     */
+    public function getDefaultDriver()
+    {
+        return $this->getConfig('default');
+    }
+}