动作 - 只读属性,并私定方法? [英] ActionScript - Read Only Property and Private Set Method?
问题描述
有一件事情我从来没有真正理解有关AS3的是,你不能有一个私有set方法和公共get方法在一起。
one thing i've never really understood about AS3 is that you can't have a private set method and a public get method together.
我想分配,将调用私有集合函数的值:
from within my class i would like to assign values that would call a private set function:
为mynumber = 22
;
但我需要这个数字作为参数传递给函数
but i need to pass that number as a parameter to a function
myNumber(22);
例如:
package
{
//Imports
import flash.display.Sprite
//Class
public class NumberClass extends Sprite
{
//Properties
private var myNumberProperty:Number
//Constructor
public function NumberClass(myNumber:Number):void
{
this.myNumber = myNumber;
init();
}
//Initialize
private function init():void
{
trace(myNumber);
}
//My Number Setter
private function set myNumber(value:Number):void
{
myNumberProperty = Math.max(0, Math.min(value, 100));
}
//My Number Getter
public function get myNumber():Number
{
return myNumberProperty;
}
}
}
有没有办法用一组关键词在一个私人的功能?
is there no way to use the set keyword on a private function?
推荐答案
MXML编译器不支持getter和setter混合示波器/命名空间。有一些门票开有关本:
The MXML compiler does not support getters and setters with mixed scopes/namespaces. There are a few tickets open regarding this:
- https://bugs.adobe.com/jira/browse/ASL-44
- https://bugs.adobe.com/jira/browse/SDK-25646
- https://bugs.adobe.com/jira/browse/ASL-112 。
- https://bugs.adobe.com/jira/browse/ASL-44
- https://bugs.adobe.com/jira/browse/SDK-25646
- https://bugs.adobe.com/jira/browse/ASL-112.
这是很烦人,但至少Adobe是意识到这一点。有一种方法通过使用自定义命名空间和完全合格的引用的getter或setter来完成混合空间getter和setter方法。
It's quite annoying, but at least Adobe is aware of it. There is a way to accomplish mixed namespace getters and setters by using custom namespaces and fully-qualifying references to the getter or setter.
package {
use namespace my_namespace
public class MyClass {
private var _name:String;
public function get name():String {
return _name;
}
my_namespace function set name(value:String):void {
_name = value;
}
}
public class MySubClass extends MyClass {
public function MySubClass(name:String) {
super.my_namespace::name = name;
}
}
}
}
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