Yii CDbCriteria的經常使用方法

$criteria = new CDbCriteria;      

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

$criteria->addInCondition('id', array(1,2,3,4,5)); //表明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,其實表明了。。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,他會根據你的參數自動處理成addCondition或者addInCondition,  

                                //即若是第二個參數是數組就會調用addInCondition  

/** 

 * 傳遞變量 

 */  

$criteria->addCondition("id = :id");  

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

/** 

 * 一些public vars 

 */  

$criteria->select = 'id,parentid,name'; //表明了要查詢的字段,默認select='*';  

$criteria->join = 'xxx'; //鏈接表  

$criteria->with = 'xxx'; //調用relations   

$criteria->limit = 10;    //取1條數據,若是小於0,則不做處理  

$criteria->offset = 1;   //兩條合併起來,則表示 limit 10 offset 1,或者表明了。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; //是否惟一查詢


多表查詢

 $criteria=new CDbCriteria;

$criteria->alias = 'Invoice';
$criteria->join='LEFT JOIN Client ON Client.id=Invoice.clientId';
$criteria->condition='Client.businessId='. Yii::app()->userInfo->business;
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