$map = array( ‘pid‘ => 0, ‘start_time‘ => array(‘lt‘,$now), ‘end_time‘ => array(‘gt‘,$now), ‘status‘ => 1, ‘_string‘ => ‘`has_number` < `number`‘ );
tp 中 where条件,字段和字段的大小比较
原文:http://www.cnblogs.com/pansidong/p/7594338.html