12 very simple,basic but useful function source in Flex

如果这就是爱情

原文出自: 

http://ntt.cc/2008/04/19/12-very-simple-basic-but-useful-function-source-in-flex.html 
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);} 
No.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;}