Flex中12个常用函数
No.1 Copy content to clipboard:
System.setClipboard(strContent);
No.2 Clone an ArrayCollection:
//dummy solution( well, it works )
var bar:ArrayCollection = new ArrayCollection();
for each ( var i:Object in ac ){
bar.addItem( i );
}
// fantastic ! //
var bar:ListCollectionView = new ListCollectionView( ListCollectionView( ac ).list );
No.3 Open URL:
navigateToURL(new URLRequest('http://ntt.cc'), '_blank'
No.4 Page reload:
navigateToURL(new URLRequest("javascript:location.reload();"),"_self")
No.5 Close browse:
navigateToURL(new URLRequest("javascript:window.close()"),"_self");
No.6 Set the background alpha to transparent on Alert window:
Alert
{
modalTransparency:0.0;
modalTransparencyBlur:0;
}
No.7 Set random color：
lbl.setStyle('color', 0xffffff*Math.random());
No.8 Trim left of white space
public function LTrim(s : String):String
{
var i : Number = 0;
while(s.charCodeAt(i) == 32 || s.charCodeAt(i) == 13 || s.charCodeAt(i) == 10 || s.charCodeAt(i) == 9)
{
i++;
}
return s.substring(i,s.length);
}
No.9 Trim right of white space
public function RTrim(s : String):String
{
var i : Number = s.length - 1;
while(s.charCodeAt(i) == 32 || s.charCodeAt(i) == 13 || s.charCodeAt(i) == 10 ||s.charCodeAt(i) == 9)
{
i--;
}
return s.substring(0,i+1);
}
10 Trim left and right of white space
public function Trim(s : String):String
{
return LTrim(RTrim(s));
}
No.11 get data type:
getQualifiedClassName(data)
No.12 Generate check digits
private function GenerateCheckCode():String
{
//init
var ran:Number;
var number:Number;
var code:String;
var checkCode:String ="";
//get 4 radom
for(var i:int=0; i<4; i++)
{
ran=Math.random();
number =Math.round(ran*10000); //get result like 0.1234
if(number % 2 == 0)
code = String.fromCharCode(48+(number % 10)); //0's ASCII code is 48
else
code = String.fromCharCode(65+(number % 26)) ; // A's ASCII code is 65
checkCode += code;
}
return checkCode;
}