cakephp2.X多表联合查询join及使用分页查询的方法

本文实例讲述了cakephp2.X多表联合查询join及使用分页查询的方法。分享给大家供大家参考，

本文实例讲述了cakephp2.X多表联合查询join及使用分页查询的方法。分享给大家供大家参考，具体如下：

格式化参数：

public function getconditions($data){
 $this->loadModel("Cm.LoginHistory");
 $conditions = array();
 foreach ($data as $key=>$val){
 if($key=='start_date'){
 $conditions['LoginHistory.logintime >=']=trim($val);
 }elseif ($key=='end_date'){
 $conditions['LoginHistory.logouttime <=']=trim($val);
 }elseif ($key=='selectvsoftid' and $val !=''){
 $conditions['LoginHistory.LOGINSUBSYSTEM LIKE']='%'.trim($val).'%';
 }elseif ($key=='username' and $val !=''){
 $conditions['LoginHistory.USERNAME LIKE']='%'.trim($val).'%';
 }elseif ($key=='vdevicename' and $val !=''){
 $conditions['LoginHistory.WINDOWNAME LIKE']='%'.trim($val).'%';
 }elseif ($key=='selectvsoftid' and $val !=''){
 $conditions['LoginHistory.PHDEVICENAME LIKE']='%'.trim($val).'%';
 }
 }
 return $conditions;
}

分页查询：

$fields = array('LoginHistory.windowname','LoginHistory.loginsubsystem','VirtualDevice.PHDEVICEID','LoginHistory.userid', 'VirtualDevice.SYSTYPEID','UserInfo.USERNAME','"SUM"(LoginHistory.LOGOUTTIME-LoginHistory.LOGINTIME) moument','UserInfo.USERNAME','DeviceInfo.DEVICENAME');
$group=array('LoginHistory.windowname', 'LoginHistory.loginsubsystem', 'LoginHistory.userid','UserInfo.USERNAME','DeviceInfo.DEVICENAME','VirtualDevice.SYSTYPEID','VirtualDevice.PHDEVICEID');
$this->paginate = array('conditions'=>$conditions,'fields'=>$fields,'group'=>$group,'limit'=>9,'joins' => array(
 array(
 'alias' => 'UserInfo',
 'table' => 'SMM_USERINFO',
 'type' => 'LEFT',
 'conditions' => ' LoginHistory.USERID=UserInfo.USERID ',
 ),
 array(
 'alias' => 'VirtualDevice',
 'table' => 'ET_NMVIRTUALDEVICEINFO',
 'type' => 'LEFT',
 'conditions' => ' LoginHistory.WINDOWNAME=VirtualDevice.DEVICENAME ',
 ),
 array(
 'alias' => 'DeviceInfo',
 'table' => 'ET_NMDEVICEINFO',
 'type' => 'LEFT',
 'conditions' => ' VirtualDevice.PHDEVICEID=DeviceInfo.DEVICEID ',
 ),
 ));
$LoginHistory = $this->paginate('LoginHistory');
$this->set('loginhistory',$LoginHistory);