flex深度拷贝--老外写的
package pmbs.pmbs.idxSystem.data.handCollect.base
{
?import flash.utils.describeType;
?import flash.utils.getDefinitionByName;
?import flash.utils.getQualifiedClassName;
?
?public class UtilFunctions
?{
?
?
???? public static function newSibling(sourceObj:Object):* {
???????? if(sourceObj) {
?
???????????? var objSibling:*;
???????????? try {
???????????????? var classOfSourceObj:Class = getDefinitionByName(getQualifiedClassName(sourceObj)) as Class;
???????????????? objSibling = new classOfSourceObj();
???????????? }
?
???????????? catch(e:Object) {}
?
???????????? return objSibling;
???????? }
???????? return null;
???? }
?
???? public static function clone(source:Object):Object {
?
???????? var clone:Object;
???????? if(source) {
???????????? clone = newSibling(source);
?
???????????? if(clone) {
???????????????? copyData(source, clone);
???????????? }
???????? }
?
???????? return clone;
???? }
?
???? public static function copyData(source:Object, destination:Object):void {
?
???????? //copies data from commonly named properties and getter/setter pairs
???????? if((source) && (destination)) {
?
???????????? try {
???????????????? var sourceInfo:XML = describeType(source);
???????????????? var prop:XML;
?
???????????????? for each(prop in sourceInfo.variable) {
?
???????????????????? if(destination.hasOwnProperty(prop.@name)) {
???????????????????????? destination[prop.@name] = source[prop.@name];
???????????????????? }
?
???????????????? }
?
???????????????? for each(prop in sourceInfo.accessor) {
???????????????????? if(prop.@access == "readwrite") {
???????????????????????? if(destination.hasOwnProperty(prop.@name)) {
???????????????????????????? destination[prop.@name] = source[prop.@name];
???????????????????????? }
?
???????????????????? }
???????????????? }
???????????? }
???????????? catch (err:Object) {
???????????????? ;
???????????? }
???????? }
???? }
?}
}
?
?
---使用例子
var temp:HandCollect?= UtilFunctions.clone(handCollect) as HandCollect;
