www.gusucode.com > 24Beta 虚拟主机版 1.0.0 Beta源码程序 > 24Beta 虚拟主机版 1.0.0 Beta源码程序/24Beta-1.0.0-vhost/library/framework/validators/CNumberValidator.php
<?php /** * CNumberValidator class file. * * @author Qiang Xue <qiang.xue@gmail.com> * @link http://www.yiiframework.com/ * @copyright Copyright © 2008-2009 Yii Software LLC * @license http://www.yiiframework.com/license/ */ /** * CNumberValidator validates that the attribute value is a number. * * @author Qiang Xue <qiang.xue@gmail.com> * @version $Id: CNumberValidator.php 1333 2009-08-15 20:20:36Z qiang.xue $ * @package system.validators * @since 1.0 */ class CNumberValidator extends CValidator { /** * @var boolean whether the attribute value can only be an integer. Defaults to false. */ public $integerOnly=false; /** * @var boolean whether the attribute value can be null or empty. Defaults to true, * meaning that if the attribute is empty, it is considered valid. */ public $allowEmpty=true; /** * @var integer|double upper limit of the number. Defaults to null, meaning no upper limit. */ public $max; /** * @var integer|double lower limit of the number. Defaults to null, meaning no lower limit. */ public $min; /** * @var string user-defined error message used when the value is too big. */ public $tooBig; /** * @var string user-defined error message used when the value is too small. */ public $tooSmall; /** * Validates the attribute of the object. * If there is any error, the error message is added to the object. * @param CModel the object being validated * @param string the attribute being validated */ protected function validateAttribute($object,$attribute) { $value=$object->$attribute; if($this->allowEmpty && $this->isEmpty($value)) return; if($this->integerOnly) { if(!preg_match('/^\s*[+-]?\d+\s*$/',"$value")) { $message=$this->message!==null?$this->message:Yii::t('yii','{attribute} must be an integer.'); $this->addError($object,$attribute,$message); } } else { if(!preg_match('/^\s*[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?\s*$/',"$value")) { $message=$this->message!==null?$this->message:Yii::t('yii','{attribute} must be a number.'); $this->addError($object,$attribute,$message); } } if($this->min!==null && $value<$this->min) { $message=$this->tooSmall!==null?$this->tooSmall:Yii::t('yii','{attribute} is too small (minimum is {min}).'); $this->addError($object,$attribute,$message,array('{min}'=>$this->min)); } if($this->max!==null && $value>$this->max) { $message=$this->tooBig!==null?$this->tooBig:Yii::t('yii','{attribute} is too big (maximum is {max}).'); $this->addError($object,$attribute,$message,array('{max}'=>$this->max)); } } }