??????????http://www.actionscript.org.????????????
Delegate class ??????
Delegate???? ????????????Mike Chambers??????????????????????????擡llipsis�?????flashmx2004?????????????????????flashmx2004updata_cn.exe,????????Delegate????FLASH???????????
??????????????????????????????addEventListener ????????????????????????
????????
??????
| 代码: | |
var obj = new Object();
obj.click = function(evt)
{
trace(evt.target);
trace(this);
}
myBtn.addEventListener("click",obj);
| |
????????
| 代码: | |
function myClickHander(evt){
trace(evt.target);
trace(this);
}
myBtn.addEventListener("click",myClickHander);
| |
?????????????????????????????click??????????????????????????????????????????????
| 代码: | |
obj = new Object();
obj.click = function(evt)
{
if(evt.target == 'myBtn')
{
trace('first button');
}
if(evt.target == 'myBtn2')
{
trace('second button');
}
}
myBtn.addEventListener("click",obj);
myBtn2.addEventListener("click",obj);
| |
?????????????搕his�?????????????????????????????????????????攖his�??????????????????????????????????????????
Mike Chambers?????????????????????????????Delegate ????????????????????delegate ?????????????????????????????????????????????
| 代码: | |
import mx.utils.Delegate;
function myClickHandler(evt)
{
trace(evt.target);
trace(this);
}
myBtn.addEventListener("click", Delegate.create(this,myClickHandler));
| |
??????????delegate ????mx.utils.Delegate??????????????????Delegate??????????????Delegate?????????????create,?????????
| 代码: | |
static function create(obj:Object, func:Function):Function
| |
???????obj???????func????????????????????????????
| 代码: | |
import mx.utils.Delegate;
var md = Delegate.create(this, someFunction);
myBtn.addEventListener('click',md);
//????
//????
myBtn.removeEventListener('click',md);
| |
???????Delegate.create????????????????????????jess warden??????Delegate ??????????
Delegate????????????????????????????movieclip抯 onEnterFrame?????xml???onLoad??????
| 代码: | |
import mx.utils.Delegate;
function xmlLoaded(success)
{
trace(this);
trace(success);
}
function handleEnterFrame()
{
trace(this);
trace(getTimer());
}
var myXML = new XML();
myXML.onLoad = Delegate.create(this, xmlLoaded);
myXML.load(搒ome.xml�);
//myMc???????????
myMC.onEnterFrame = Delegate.create(this, handleEnterFrame);
| |
????Delegate?????????????????????????????????????????_root.
?????Delegate???????setInterval????????????????????????????????????????trace(this);????undefined.????????????????????
| 代码: | |
import mx.utils.Delegate;
function traceThis()
{
trace(this);
}
var myInt = setInterval(Delegate.create(this, traceThis), 1000);
| |
??????????????????????????????????setInterval????string??????????????FLASH???????????????setinterval????????????????????????????????????????????????????????string????
????????Delegate.create?this??????????99%????????????????????????????Delegatey????????????this.Delegate???????????????
?????
|