新增链接上传文件流程2

app/common/controller/Upload.php

@@ -32,7 +32,7 @@ class Upload extends BaseController
     /**
      * 文件上传
      */
-    public function upload($data,$path,$prefix = "",$fileObj = true)
+    public function upload($data,$path,$prefix = "",$fileObj = true, $oldFile = false)
     {
         $message=$data['message'] ?? '';
         if($message){
@@ -83,10 +83,16 @@ class Upload extends BaseController
         if(!$prefix){
             $prefix=$filecate.'/'.date('Y-m-d').'/'.$uid."/";
         }
+        if ($oldFile && !$fileObj) {
+            $rep_path = str_replace(public_path(),'',$path);
+            $file=FileModel::where(['src'=>$rep_path,'user_id'=>$uid])->find();
+            $name=$file['name'];
+        } else {
             $name=str_replace('.'.$info['ext'],'',$info['name']);
-        $file=false;//FileModel::where(['md5'=>$info['md5'],'user_id'=>$uid])->find();
+            $file=FileModel::where(['md5'=>$info['md5'],'user_id'=>$uid])->find();
+        }
         // 判断文件是否存在，如果有则不再上传
-        if(!$file){
+        if($filecate == 'image' || !$file){
             $newName   = uniqid() . '.' . $info['ext'];
             $object = $prefix . $newName;
             if($this->disk=='local'){
@@ -216,7 +222,7 @@ class Upload extends BaseController
             } elseif ($type == 'file') {
                 $main_host = getMainHost();
                 $path = public_path() . '/' . ltrim(str_replace($main_host,'',$image_url),'/');
-                $info = $this->upload($param,$path,'', false);
+                $info = $this->upload($param,$path,'', false, true);
             } else {
                 throw new \Exception(lang('file.error'));
             }