1.复制内容到系统剪贴板
System.setClipboard(strContent);

2.复制一个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 );

3.打开一个新浏览器窗口
navigateToURL(new URLRequest('http://ntt.cc'), '_blank');

4.刷新浏览器
navigateToURL(new URLRequest("javascript:location.reload();"),"_self")

5.关闭浏览器
navigateToURL(new URLRequest("javascript:window.close()"),"_self");

6.设置Alert 窗口的背景为透明
Alert
    {
    modalTransparency:0.0;  
    modalTransparencyBlur:0;
    }

7.取随机颜色

lbl.setStyle('color', 0xffffff*Math.random());

8.清除子串左侧空格

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);
    }

9.清除字串右侧空格
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.清除字串左右的空格
public function Trim(s : String):String
    {
      return LTrim(RTrim(s));
    }

11.获取数据类型

getQualifiedClassName(data)

12.生成随机字符串.
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;
}

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