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/CTypeValidator.php
<?php /** * CTypeValidator 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/ */ /** * CTypeValidator verifies if the attribute is of the type specified by {@link type}. * * The following data types are supported: * <ul> * <li><b>integer</b> A 32-bit signed integer data type.</li> * <li><b>float</b> A double-precision floating point number data type.</li> * <li><b>string</b> A string data type.</li> * <li><b>date</b> A date data type.</li> * <li><b>time</b> A time data type (available since version 1.0.5).</li> * <li><b>datetime</b> A date and time data type (available since version 1.0.5).</li> * </ul> * * For <b>date</b> type, the property {@link dateFormat} * will be used to determine how to parse the date string. If the given date * value doesn't follow the format, the attribute is considered as invalid. * * @author Qiang Xue <qiang.xue@gmail.com> * @version $Id: CTypeValidator.php 1333 2009-08-15 20:20:36Z qiang.xue $ * @package system.validators * @since 1.0 */ class CTypeValidator extends CValidator { /** * @var string the data type that the attribute should be. Defaults to 'string'. * Valid values include 'string', 'integer', 'float', 'date', 'time' and 'datetime'. * Note that 'time' and 'datetime' have been available since version 1.0.5. */ public $type='string'; /** * @var string the format pattern that the date value should follow. Defaults to 'MM/dd/yyyy'. * Please see {@link CDateTimeParser} for details about how to specify a date format. * This property is effective only when {@link type} is 'date'. */ public $dateFormat='MM/dd/yyyy'; /** * @var string the format pattern that the time value should follow. Defaults to 'hh:mm'. * Please see {@link CDateTimeParser} for details about how to specify a time format. * This property is effective only when {@link type} is 'time'. * @since 1.0.5 */ public $timeFormat='hh:mm'; /** * @var string the format pattern that the datetime value should follow. Defaults to 'MM/dd/yyyy hh:mm'. * Please see {@link CDateTimeParser} for details about how to specify a datetime format. * This property is effective only when {@link type} is 'datetime'. * @since 1.0.5 */ public $datetimeFormat='MM/dd/yyyy hh:mm'; /** * @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 $allowEmpty=true; /** * Validates the attribute of the object. * If there is any error, the error message is added to the object. * @param CModel the object being validated * @param string the attribute being validated */ protected function validateAttribute($object,$attribute) { $value=$object->$attribute; if($this->allowEmpty && $this->isEmpty($value)) return; if($this->type==='integer') $valid=preg_match('/^[-+]?[0-9]+$/',trim($value)); else if($this->type==='float') $valid=preg_match('/^[-+]?([0-9]*\.)?[0-9]+([eE][-+]?[0-9]+)?$/',trim($value)); else if($this->type==='date') $valid=CDateTimeParser::parse($value,$this->dateFormat)!==false; else if($this->type==='time') $valid=CDateTimeParser::parse($value,$this->timeFormat)!==false; else if($this->type==='datetime') $valid=CDateTimeParser::parse($value,$this->datetimeFormat)!==false; else return; if(!$valid) { $message=$this->message!==null?$this->message : Yii::t('yii','{attribute} must be {type}.'); $this->addError($object,$attribute,$message,array('{type}'=>$this->type)); } } }