PHPcode2">add_filter( 'wp_handle_upload_prefilter','custom_upload_name' ); function custom_upload_name( $file ){ if ( !$ext ) $ext = ltrim(strrchr($file['name'],'.'),'.'); $file['name'] = date("YmdHis").rand(10,99).'.'.$ext; return $file;} 原文链接：https://www.f2er.com/wordpress/15289.html