新增链接上传文件流程

app/common/controller/Upload.php

@@ -206,11 +206,20 @@ class Upload extends BaseController
             if (empty($image_url)) {
                 throw new \Exception(lang('file.exist'));
             }
-            $data = $this->downloadImage($image_url);
-            if (!$data['status']) {
+            $type = $param['type'] ?? 'image';
+            if ($type == 'image') {
+                $data = $this->downloadImage($image_url);
+                if (!$data['status']) {
+                    throw new \Exception(lang('file.error'));
+                }
+                $info=$this->upload($param,$data['path'],'', false);
+            } elseif ($type == 'file') {
+                $main_host = getMainHost();
+                $path = public_path() . '/' . ltrim(str_replace($main_host,'',$image_url),'/');
+                $info = $this->upload($param,$path,'', false);
+            } else {
                 throw new \Exception(lang('file.error'));
             }
-            $info=$this->upload($param,$data['path'],'', false);
             return success(lang('file.uploadOk'),$info);
         } catch(\Exception $e) {
             return error($e->getMessage());