- $criteria = new CDbCriteria;
- $criteria->compare('name',$this->name,true,'OR'); //like部分匹配
- //$criteria->addCondition("id=1"); //查询条件,即where id = 1
- //$criteria->addInCondition('id', array(1,2,3,4,5)); //代表where id IN (1,2,3,4,5);
- $criteria->compare('name', array(1,2,3,4,5));
- $criteria->addNotInCondition('id', array(1,2,3,4,5));//与上面正好相法,是NOT IN
- //$criteria->addCondition('id=1','OR');//这是OR条件,多个条件的时候,该条件是OR而非AND
- //$criteria->addSearchCondition('name', '分类');//搜索条件,其实代表了。where name like '%分类%'
- $criteria->compare("id","<>1"); //not like
- $criteria->addBetweenCondition('id', 1, 4);//between 1 and 4
- $criteria->compare('id', 1); //这个方法比较特殊,他会根据你的参数自动处理成addCondition或者addInCondition,
- $criteria->compare("id","<1"); //这个方法他会根据你提供的条件进行判断
- //即如果第二个参数是数组就会调用addInCondition
推荐compare,搜索条件允许为空因此不需要加条件
- $criteria = new CDbCriteria;
- $criteria->alias = 't'; //table t,默认select='*';
- //一些public vars
- $criteria->select = 'id,parentid,name'; //代表了要查询的字段,默认select='*';
- $criteria->join = 'xxx'; //连接表
- $criteria->with = 'xxx'; //调用relations $criteria->with = array('accounts','varchar');
- $criteria->with = array('teacher'=>
- array('select'=>'username,company_id',
- 'order'=>'teacher.username ASC')
- );
- $criteria->limit = 10; //取1条数据,如果小于0,则不作处理
- $criteria->order = 'xxx DESC,XXX ASC' ;//排序条件
- $criteria->group = 'group 条件';
- $criteria->having = 'having 条件 ';
- $criteria->distinct = FALSE; //是否唯一查询
- Article::model()->findAll($criteria);
DAO
- $sql =' ... yiiblog_desc like :keywords or yiiblog_title like :keywords ... ';
- $TmpStatement = Yii::app()->db->createCommand($sql);
- $TmpStatement->bindValue(':keywords', '%'.$keywords.'%');
- findAll('username like :username ' ,array(":username"=>"%$key%"));
小于11
- Member::model()->findByAttributes(array(), "id<:id", array(':id'=>11))
sum
- //public $total = 0; //model attribute
- $criteria = $this->getCDbCriteria();
- $criteria->select = 'SUM(t.amount) AS total';
- return self::model()->find($criteria);
时间: 2024-09-10 08:52:25