我想从for
循环中的基类创建一些实例。
我创建了一个MovieClip符号,并通过Export for ActionScript
喜欢它。
我正试图从基类中创建一些实例。基类名称为Ball_Base
。
for (var counter:uint = 1; counter <= 10; i++) {
var "ball_instance" + counter:Ball_Base = new Ball_Base();
}
它得到以下错误:
Syntax error: expecting identifier before "ball_instance".
请告诉我我在这里缺了什么。
您的代码不正确。
您的实例中必须有一个关于名称的属性,例如
public class Ball_Base {
private var _name:String;
public function get name():String
{
return _name;
}
public function set name(value:String):void
{
_name = value;
}
}
当你在循环中时,你会这样做:
var myBall:Ball_Base = new Ball_Base();
myBall.name = "ball_instance" + counter;
最后,如果您需要将所有实例存储在内存中,请将它们添加到ArrayCollection 中
var myArray:ArrayCollection = new ArrayCollection();
for (var counter:uint = 1; counter <= 10; i++) {
var myBall:Ball_Base = new Ball_Base();
myBall.name = "ball_instance" + counter;
myArray.addItem(myBall);
}
如果我理解以上内容,可能是:
for (var counter:uint = 1; counter <= 10; counter++) {
var instanceOfClass:Ball_Base = new Ball_Base();
instanceOfClass.someVar = "ball_instance" + counter; // Assign some name to existing var in class
var varName:String = instanceOfClass.someVar; // save that name in var for further operation
}