优化上传文件随机名生成

application/api_broker/service/UploadFileService.php

@@ -93,11 +93,11 @@ class UploadFileService
         }
         $date = date('Ymd');
         $path     .= $date;
-        $name_str = date('YmdHis') . mt_rand(10,1000);
+        $name_str = date('YmdHis');
 
         if (is_array($_upload_file['tmp_name'])) {
             foreach ($_upload_file['tmp_name'] as $k => $v) {
-                $name_str  .= $k;
+                $name_str  .= mt_rand(10,10000);
                 $_file     = new File($v);
                 $file_info = pathinfo($_upload_file['name'][$k]);
                 $info      = $_file->validate($valid_date)->move($path, $name_str . '.' . $file_info['extension']);
@@ -115,7 +115,7 @@ class UploadFileService
             }
 
         } else {
-
+            $name_str .= mt_rand(10,1000);
             $_file     = new File($_upload_file['tmp_name']);
             $file_info = pathinfo($_upload_file['name']);
             $info      = $_file->validate($valid_date)->move($path, $name_str . '.' . $file_info['extension']);