Flex中12个简单实用的小技巧

Flex中12个简单实用的小技巧


复制内容到剪贴板
PLAIN TEXT >> ACTIONSCRIPT:
System.setClipboard(strContent);

复制一个 ArrayCollection
PLAIN TEXT >> ACTIONSCRIPT:
//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 );

打开 URL
PLAIN TEXT >> ACTIONSCRIPT:
navigateToURL(new URLRequest('http://phpz.org/'), '_blank');

刷新页面
PLAIN TEXT >> ACTIONSCRIPT:
navigateToURL(new URLRequest("javascript:location.reload();"), "_self");

关闭浏览器
PLAIN TEXT >> ACTIONSCRIPT:
navigateToURL(new URLRequest("javascript:window.close()"), "_self");

设置 Alert 窗口透明背景
PLAIN TEXT >> ACTIONSCRIPT:
Alert
{
modalTransparency:0.0;
modalTransparencyBlur:0;
}

设置随机颜色
PLAIN TEXT >> ACTIONSCRIPT:
lbl.setStyle('color', 0xffffff * Math.random());

删除字符串左空白字符
PLAIN TEXT >> ACTIONSCRIPT:
// 原文采用循环查找字符然后用 substring 截取字符的方式
// 这种方式代码多, 效率低, 这里就不列出原文的代码了
// 下面是我用正则实现的(包括下面的 rtrim)
private function ltrim(_s:String):String
{
return _s.replace(/^\s+/, '');
}

删除字符串右空白字符
PLAIN TEXT >> ACTIONSCRIPT:
private function rtrim(_s:String):String
{
return _s.replace(/\s+$/, '');
}

删除字符串两侧空白字符
PLAIN TEXT >> ACTIONSCRIPT:
private function trim(_s:String):String
{
return ltrim(rtrim(_s));
}

取得数据类型
PLAIN TEXT >> ACTIONSCRIPT:
getQualifiedClassName(data);

生成验证码
PLAIN TEXT >> ACTIONSCRIPT:
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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