兩個在網上看到OOP小貼士：
一、當Object中被監視的Property有改變時，就會激活：
newObject = function () {
this.i = false;
this.txt = "hello!";
this.watch("i", this.on_Change, this.i);
};
newObject.prototype.on_Change = function() {
this.onChange(arguments[2]);
};
myobj = new newObject();
myobj.onChange = function(value) {
trace(value);
};
myobj.i = true;
myobj.i = 0;
來自藍色理想經典論壇金山羊的一帖。
二、自動繼承屬性：
rootProperties = {
x:2,
y:34,
width:23,
height:43,
faceColor:0x343434,
backColor:0x333333
};
properties = {
faceColor:0x222222,
backColor:0x444444,
__proto__:rootProperties
};
windowProperties = {
x:34,
y:45,
__proto__:properties
};
buttonProperies = {
x:0,
y:0,
height:20,
backColor:0x888888,
__proto__:properties
};
buttonProperties.faceColor;
// returns 0x222222 via the "properties" object
windowProperties.height;
// returns 43 via the "rootproperties" object
來自PowerSDK:Ted |
