в 09:19, 26 мая 2010

2010-05-26T09:19:12Z

Admin: 1 версия

2010-05-26T08:14:47Z

1 версия

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==A class named Product with a constructor and a method==



<source lang="java">

public class Product {
var price:Number;
public function Product ( ) {
}
public function doSomething ( ):void {
}
}
</source>

==Add assignment code to class constructor==



<source lang="java">

package com.wbex {
internal class MyClass {
internal var varName = "Unnamed";
public function MyClass (name) {
this.varName = name;
}
}
}
</source>

==Add public attribute to contrustor.==



<source lang="java">

class SomeClass {
public function SomeClass ( ) {
}
}
The following code adds a constructor method to MyClass.
package com.wbex {
public class MyClass {
public function MyClass ( ) {
}
}
}
</source>

==Constructor with parameter==



<source lang="java">

package{
import flash.display.Sprite;

public class Main extends Sprite{
public function Main(){

var m:MultiplyNumbers = new MultiplyNumbers(2,3);
}
}
}
class MultiplyNumbers {

public function MultiplyNumbers(num1:Number,num2:Number):void {
trace(num1*num2);
}

}
</source>

==Creating a Constructor==



<source lang="java">

/*
function ClassName([parameterList]) {
// Constructor code goes here.
}
*/
class Car {
private var _sMake:String = null;
private var _sModel:String = null;
private var _sExteriorColor:String = null;
public function Car() {
switch(arguments.length) {
case 3:
_sExteriorColor = arguments[2];
case 2:
_sModel = arguments[1];
case 1:
_sMake = arguments[0];
}
}
}
</source>

==Declare a constructor method for the Example class==



<source lang="java">

package{
import flash.display.Sprite;

public class Main extends Sprite{
public function Main(){
var example:Example = new Example( );
trace(example.getId( )); // Displays: Example Class
}
}
}
class Example {
private var _id:String;
public function Example( ) {
_id = "Example Class";
}
public function getId( ):String {
return _id;
}
}
</source>

==Set the memeber variable in constructor==



<source lang="java">

package{
import flash.display.Sprite;

public class Main extends Sprite{
public function Main(){
var crTest:Car = new Car("A", "B", "C");

}
}
}
class Car {

private var _sMake:String = null;
private var _sModel:String = null;
private var _sExteriorColor:String = null;
private var _nMileage:Number;

public function Car(sMake:String,
sModel:String,
sExteriorColor:String)
{
_sMake = sMake;
_sModel = sModel;
_sExteriorColor = sExteriorColor;

_nMileage = 0;
}

}
</source>

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Flash / Flex / ActionScript/Class/Constructor - История изменений

в 09:19, 26 мая 2010

Admin: 1 версия