thinkphp复合查询AND和OR同时使用
$m=M('Role_module');
$data['module_delete']=array('eq',1);
$data['_string'] = " (module_name like '%{$keyword}%') OR ( module_description like '%{$keyword}%') ";
$arr=$m->where($data)->select();
// dump($arr);
// exit;
注意:%{$keyword}%用双引号则变量无法解析获取,要用单引号!!!