Atlas使用接口

 

DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" >
< html >
  < head >
   < title > interface.html title >
   < meta  http-equiv ="keywords"  content ="keyword1,keyword2,keyword3" >
   < meta  http-equiv ="description"  content ="this is my page" >
   < meta  http-equiv ="content-type"  content ="text/html; charset=UTF-8" >
   < script  type ="text/javascript"  src ="Atlas.js" > script >
  head >
  < script  type ="text/javascript" > ...
    Type.registerNamespace("Demo.Animals");
Demo.Animals.Ipet = function()...{
 this.getFriendly = Function.abstractMethod();
}
Demo.Animals.Ipet.registerInterface('Demo.Animals.Ipet');
Demo.Animals.Animal = function(name)...{
 var _name = name;
 this.getName = function()...{
  return _name;
 }
}
Demo.Animals.Animal.registerAbstractClass('Demo.Animals.Animal');
Demo.Animals.Animal.prototype.toStringCustom = function()...{
 return this.getName();
}
Demo.Animals.Animal.prototype.speak=Function.abstractMethod;
Demo.Animals.Pet=function(name,friendlyName)...{
 Demo.Animals.Pet.registerAbstractClass('Demo.Animals.Pet',Demo.Animals.Animal,Demo.Animals.Ipet);
}
Demo.Animals.Cat = function(friendlyName)...{
Demo.Animals.Cat.initializeBase(this, ['Cat', friendlyName]);
}
Demo.Animals.Cat.registerClass('Demo.Animals.Cat', Demo.Animals.Pet);
Demo.Animals.Cat.prototype.speak = function() ...{
    alert('meow');
}
Demo.Animals.Cat.prototype.toStringCustom = function() ...{
    return 'Pet ' + Demo.Animals.Cat.callBaseMethod(this, 'toStringCustom');
}
Demo.Animals.Felix = function() ...{
    Demo.Animals.Felix.initializeBase(this, ['Felix']);
}
Demo.Animals.Felix.registerClass('Demo.Animals.Felix', Demo.Animals.Cat);
Demo.Animals.Felix.prototype.toStringCustom = function() ...{
    return Demo.Animals.Felix.callBaseMethod(this, 'toStringCustom') + '  its Felix!';
}

Demo.Animals.Dog = function(friendlyName) ...{
    Demo.Animals.Dog.initializeBase(this, ['Dog', friendlyName]);
}
Demo.Animals.Dog.registerClass('Demo.Animals.Dog', Demo.Animals.Pet);
Demo.Animals.Dog.prototype.speak = function() ...{
    alert('woof');
}

Demo.Animals.Tiger = function() ...{
    Demo.Animals.Tiger.initializeBase(this, ['Tiger']);
}
Demo.Animals.Tiger.registerClass('Demo.Animals.Tiger', Demo.Animals.Animal);
Demo.Animals.Tiger.prototype.speak = function() ...{
    alert('grrr');
}
     script >
  < body >
  This is my HTML page.
   < br >
  body >
html >
但是奇怪的是
a =new  Demo.Animals.Animal("cat");
alert(a.getName());
居然不会出错，也就是说虚类是可以实例化的。