$criteria = new CDbCriteria;
//select
$criteria->select = '*';//默認*
$criteria->select = 'id,name';//指定的字段
$criteria->select = 't.*,t.id,t.name';//連接查詢時,第一個表as t,所以用t.*
$criteria->distinct = FALSE; //是否唯一查詢
//join
$criteria->join = 'left join table2 t2 on(t.id=t2.tid)'; //連接表
$criteria->with = 'xxx'; //調用relations
//where 查詢數字字段
$criteria->addCondition("id=1"); //查詢條件,即where id = 1
$criteria->addBetweenCondition('id', 1, 4);//between 1 and 4
$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
//where 查詢字符串字段
$criteria->addSearchCondition('name', '分類');//搜索條件,其實代表了。。where name like '%分類%'
//where 查詢日期字段
$criteria->addCondition("create_time>'2012-11-29 00:00:00'");
$criteria->addCondition("create_time<'2012-11-30 00:00:00'");
//where and or
$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
//這個方法比較特殊,他會根據你的參數自動處理成addCondition或者addInCondition,
//即如果第二個參數是數組就會調用addInCondition
$criteria->compare('id', 1);
/** * 傳遞參數 */
$criteria->addCondition("id = :id");
$criteria->params[':id']=1;
//order
$criteria->order = 'xxx DESC,XXX ASC' ;//排序條件
//group
$criteria->group = 'group 條件';
$criteria->having = 'having 條件 ';
//limit
$criteria->limit = 10; //取1條數據,如果小於0,則不作處理
$criteria->offset = 1; //兩條合併起來,則表示 limit 10 offset 1,或者代表了。limit 1,10
轉自:http://blog.csdn.net/yuhui_fish/article/details/8242344