<?php
$Admin = new Admin();
//查找多条记录,返回二维数组
$Admin->findAll();
$Admin->findAll("id = 22");
$Admin->findAll(array("select"=>"id,name,password","condition"=>"id>2"));
$Admin->findAllBySql("select语句");
//查找一条记录,返回一维数组
$Admin->find();
$Admin->find("id = 22");
$Admin->findByPK(22);
$Admin->findByPK(array(22,23,24));
$Admin->findBySql("select语句");
//添加记录,返回影响行数
$Admin->userName="wang";
$Admin->password="123456";
$Admin->save();
//删除记录,返回影响行数
$Admin->deleteAll();
$Admin->deleteAll("id = 22");
$Admin->deleteAllByPK(22);
$Admin->deleteAllByPK(array(22,23,24));
//修改记录,返回影响行数
$Admin->updateAll(关联数组,"id = 22");
$Admin->updateAllByPK(22,关联数组);
$Admin->updateAllByPK(array(22,23,24),关联数组);
//返回多条记录的二维数组(select),返回二维数组
$db = Yii::app()->db;
$st = $db->createCommand("select语句");
$rs = $st->queryAll();
//返回一条记录的以为数组(select),返回一维数组
$db = Yii::app()->db;
$st = $db->createCommand("select语句");
$rs = $st->queryRow();
//执行insert、delete、update语句,返回受影响行数
$db = Yii::app()->db;
$st = $db->createCommand("insert、delete、update语句");
$rs = $st->execute();
//查询的记录数(一般用于select语句)
$row = $Admin->count();
$row = $Admin->count("id > 12");
?>