$criteria = new CDbCriteria;

$criteria->addCondition("id=1"); //查詢條件，即where id = 1

$criteria->addInCondition('id', array(1,2,3,4,5)); //代表where id IN (1,23,,4,5,);

$criteria->addNotInCondition('id', array(1,2,3,4,5));//與上面正好相法，是NOT IN

$criteria->addCondition('id=1','OR');//這是OR條件，多個條件的時候，該條件是OR而非AND

$criteria->addSearchCondition('name', '分類');//搜索條件，其實代表了。。where name like '%分類%'

$criteria->addBetweenCondition('id', 1, 4);//between 1 and 4

$criteria->compare('id', 1); //這個方法比較特殊，他會根據(jù)你的參數(shù)自動處理成addCondition或者addInCondition，

//即如果第二個參數(shù)是數(shù)組就會調(diào)用addInCondition
$criteria->addCondition("id = :id");

$criteria->params[':id']=1;

//一些public vars

$criteria->select = 'id,parentid,name'; //代表了要查詢的字段，默認(rèn)select='*';

$criteria->join = 'xxx'; //連接表

$criteria->with = 'xxx'; //調(diào)用relations

$criteria->limit = 10; //取1條數(shù)據(jù)，如果小于0，則不作處理

$criteria->offset = 1; //兩條合并起來，則表示 limit 10 offset 1,或者代表了。limit 1,10

$criteria->order = 'xxx DESC,XXX ASC' ;//排序條件

$criteria->group = 'group 條件'; $criteria->having = 'having 條件 ';

$criteria->distinct = FALSE; //是否唯一查詢