static function upload($name, $value = '', $attrArray = null) { $attrStr = self::input_attr($attrArray); $form = ''; if (!empty($value)) { $form = " <a href='{$value}' target='_blank'>查看文件</a><br />\n重新上传"; } return $form . "<input type='file' name='{$name}' id='{$name}' {$attrStr} />"; }