flex中簡單但實用的代碼

No.1 Copy content to clipboard:

1. System.setClipboard(strContent);

 

No.2 Clone an ArrayCollection:

1. //dummy solution( well, it works )
   
2. var bar:ArrayCollection = newArrayCollection();
   
3. for each(vari:Objectinac){ 
   
4. bar.addItem( i);
   
5. } 
   
6. // fantastic ! //
   
7. var bar:ListCollectionView = newListCollectionView(ListCollectionView(ac).list);

No.3 Open URL:

1. navigateToURL(newURLRequest('http://ntt.cc'), '_blank'

 

No.4 Page reload:

1. navigateToURL(newURLRequest("javascript:location.reload();"),"_self")

 

No.5 Close browse:

1. navigateToURL(newURLRequest("javascript:window.close()"),"_self");

 

No.6 Set the background alpha to transparent on Alert window:

1. Alert 
   
2. { 
   
3. modalTransparency:0.0;  
   
4. modalTransparencyBlur:0;
   
5. }

 

No.7 Set random color：

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

 

No.8 Trim left of white space

1. publicfunctionLTrim(s : String):String 
   
2. { 
   
3.   var i : Number = 0;
   
4.   while(s.charCodeAt(i) == 32 || s.charCodeAt(i) == 13 || s.charCodeAt(i) == 10 || s.charCodeAt(i) == 9) 
   
5.   { 
   
6.     i++;
   
7.   } 
   
8.   return s.substring(i,s.length);
   
9. }

 

No.9 Trim right of white space

1. publicfunctionRTrim(s : String):String 
   
2. { 
   
3.   var i : Number = s.length - 1;
   
4.   while(s.charCodeAt(i) == 32 || s.charCodeAt(i) == 13 || s.charCodeAt(i) == 10 ||s.charCodeAt(i) == 9) 
   
5.   { 
   
6.     i--;
   
7.   } 
   
8.   return s.substring(0,i+1);
   
9. }

 

No.10 Trim left and right of white space

1. publicfunctionTrim(s : String):String 
   
2. { 
   
3.   return LTrim(RTrim(s));
   
4. }

 

No.11 get data type:

1. getQualifiedClassName(data)

No.12 Generate check digits

1. privatefunctionGenerateCheckCode():String 
   
2. { 
   
3.     //init
   
4.     var ran:Number;
   
5.     var number:Number;
   
6.     var  code:String;
   
7.     var checkCode:String ="";
   
8.     //get 4 radom
   
9.    for(var i:int=0; i<4; i++) 
   
10.    { 
    
11.        ran=Math.random();
    
12.        number =Math.round(ran*10000);            //get result like 0.1234
    
13.        if(number % 2 == 0) 
    
14.          code = String.fromCharCode(48+(number % 10));        //0's ASCII code is 48
    
15.        else 
    
16.          code = String.fromCharCode(65+(number % 26)) ;        // A's ASCII code is 65
    
17.        checkCode += code;
    
18.    } 
    
19.    return checkCode;
    
20. }