添加字段
$Module = M();
$Module->execute("ALTER TABLE `lqb_tablename` ADD `fieldname` VARCHAr( 255 ) NULL COMMENT '权限' AFTER `id`");
添加字段
$Module = M();
$Module->execute("ALTER TABLE `lqb_tablename` ADD `fieldname` VARCHAr( 255 ) NULL COMMENT '权限' AFTER `id`");