* $o = new Zeed_Object(array('foo' => 'bar')); * * * @return void */ public function __construct() { static $Zeed_Object_Null = null; if (is_null($Zeed_Object_Null)) { $Zeed_Object_Null = new Zeed_Object_Null(); } if (count($p = $this->getReflectedProperties())) { foreach ($p as $propertyName) { if (is_null($this->$propertyName)) { $this->$propertyName = $Zeed_Object_Null; } } } $vars = func_get_args(); if (isset($vars[0]) && is_array($vars[0])) { $this->fromArray($vars[0]); } } /** * 获取当前对象的属性(PUBLIC和PROTECTED) * * @return Array */ public function getReflectedProperties() { if (is_null($this->_ReflectedPropertiesCache)) { $this->_ReflectedPropertiesCache = array(); $refectionClass = new ReflectionClass($this); $propertiesArray = $refectionClass->getProperties(); if (is_array($propertiesArray) and count($propertiesArray) > 0) { while (@list(, $property) = each($propertiesArray)) { $refectionProperty = new ReflectionProperty($property->class, $property->name); if ($refectionProperty->isPublic() || $refectionProperty->isProtected()) { $this->_ReflectedPropertiesCache[] = $property->name; } } } } return $this->_ReflectedPropertiesCache; } /** * 输出为数组 * * @param Integer $keyCase 输出数组索引大小写转换 * @return Array */ public function toArray($keyCase = Zeed_Object::KEY_NATURAL) { if (count($p = $this->getReflectedProperties())) { $properties = array(); foreach ($p as $propertyName) { if ($this->$propertyName instanceof Zeed_Object_Null) { continue; } $properties[$propertyName] = $this->$propertyName; } } else { return array(); } $filters = array(); switch ($keyCase) { case self::KEY_LOWER : $properties = array_change_key_case($properties, CASE_LOWER); if (count($filters) > 0) { $filters = array_change_key_case($filters, CASE_LOWER); return array_diff_key($properties, $filters); } else { return $properties; } break; case self::KEY_UPPER : $properties = array_change_key_case($properties, CASE_UPPER); if (count($filters) > 0) { $filters = array_change_key_case($filters, CASE_UPPER); return array_diff_key($properties, $filters); } else { return $properties; } break; case self::KEY_NATURAL : if (count($filters) > 0) { return array_diff_key($properties, $filters); } else { return $properties; } break; default : // KEY_AUTO if (count($filters) > 0) { $filters = array_change_key_case($filters, CASE_LOWER); while (@list($key, ) = each($properties)) { if (array_key_exists(strtolower($key), $filters)) { unset($properties[$key]); } } } return $properties; break; } } /** * 返回字符串格式 * * @return string */ public function toString() { return serialize($this->toArray()); } /** * 产生用于SQL更新的数组, 需要设置原先对象的属性值(设置了哪些比较哪些) * * @return array */ public function generateUpdateSet() { } /** * 与另一个Zeed_Object的值比较(不比较类型), 返回差集数组 * 该数组包括了所有在 当前对象中但是不在参数对象中的值, 键名为字段名. * * @param Zeed_Object $obj * @return boolean */ public function diff(Zeed_Object $obj) { $row1 = $this->toArray(); $row2 = $obj->toArray(); $return = array(); foreach ($row1 as $k => $v) { if ($v != $row2[$k]) { $return[$k] = $v; } } return $return; } /** * 通过对象对 Zeed_Object对象属性赋值 * * @param Zeed_Object|array $propertySet * @param integer $keyCase * @return Zeed_Object */ public function fromObject($propertySet, $keyCase = self::KEY_NATURAL) { if (is_object($propertySet) && $propertySet instanceof Zeed_Object) { $data = $propertySet->toArray(); $this->fromArray($data, $keyCase); } elseif (is_array($propertySet)) { $this->fromArray($propertySet, $keyCase); } return $this; } /** * 通过数组批量给Zeed_Object对象属性赋值. * * @return Zeed_Object */ public function fromArray($propertySet, $keyCase = self::KEY_NATURAL) { $filters = array(); switch ($keyCase) { case self::KEY_LOWER : if (count($filters) > 0) { $filters = array_change_key_case($filters, CASE_LOWER); $propertySet = array_diff_key($propertySet, $filters); // 过滤后的数组 } $this->setProperty($propertySet, self::KEY_LOWER); break; case self::KEY_UPPER : if (count($filters) > 0) { $filters = array_change_key_case($filters, CASE_UPPER); $propertySet = array_diff_key($propertySet, $filters); // 过滤后的数组 } $this->setProperty($propertySet, self::KEY_UPPER); break; case self::KEY_NATURAL : if (count($filters) > 0) { $propertySet = array_diff_key($propertySet, $filters); // 过滤后的数组 } $this->setProperty($propertySet, self::KEY_NATURAL); break; default : // KEY_AUTO, 全部转为小写 $propertySet = array_change_key_case($propertySet, CASE_LOWER); if (count($filters) > 0) { $filters = array_change_key_case($filters, CASE_LOWER); $propertySet = array_diff_key($propertySet, $filters); // 过滤后的数组 } $this->setProperty($propertySet, self::KEY_LOWER); break; } return $this; } /** * @return void */ protected function setProperty($propertySet, $case = self::KEY_NATURAL) { if (count($properties = $this->getReflectedProperties()) == 0) { return; } while (@list(, $propertyName) = each($properties)) { if ($case == self::KEY_LOWER) { $keyNew = strtolower($propertyName); } elseif ($case == self::KEY_UPPER) { $keyNew = strtoupper($propertyName); } else { $keyNew = $propertyName; } if (array_key_exists($keyNew, $propertySet)) { $this->$propertyName = $propertySet[$keyNew]; $this->_objectEmptyFlag = false; } } } /** * 判断对象的属性是否被赋值过，任何一个属性被赋值(即非Zeed_Objec_Null对象)则返回false * 当对象成员变量被设置为 false， '' 空字符串时并不返回 true * * @param $skipProperties * @return boolean */ public function isEmpty($skipProperties = array()) { if (! $this->_objectEmptyFlag) { return false; } /** * 检查当前变量是否真为空，对象可能直接通过访问成员变量设置 */ if (count($p = $this->getReflectedProperties())) { $properties = array(); foreach ($p as $propertyName) { if (! $this->$propertyName instanceof Zeed_Object_Null) { return false; } } } return true; } /** * 输出成PHP代码(数组) * * @return string */ public function export($keyCace = self::KEY_NATURAL) { return var_export($this->toArray($keyCace)); } /** * @return Zeed_Object */ public function __call($method, $args) { $refection = new ReflectionClass($method); if ($refection->isSubclassOf('Zeed_Object')) { return new $method($args); } return false; } private static $_instance; /** * @return Zeed_Object */ public final static function instance() { if (! self::$_instance instanceof Zeed_Object) { self::$_instance = new self(); } return self::$_instance; } } // End ^ LF ^ UTF-8