常用的Flex代码总结
常用的Flex代码总结
1.刷新浏览器
navigateToURL(new URLRequest("javascript:location.reload();"),"_self")
2.关闭浏览器
navigateToURL(new URLRequest("javascript:window.close()"),"_self");
3.打开一个新浏览器窗口
navigateToURL(new URLRequest('http://ntt.cc'), '_blank');
4.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 );
5.复制内容到系统剪贴板
System.setClipboard(strContent);
6.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);
}
7.设置Alert 窗口的背景为透明
Alert
{
modalTransparency:0.0;
modalTransparencyBlur:0;
}
8.获取取随机颜色
lbl.setStyle('color', 0xffffff*Math.random());
9.获取数据类型
getQualifiedClassName(data)
10.字符串右侧空格清除
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);
}
11.清除字串左右的空格
public function Trim(s : String):String
{
return LTrim(RTrim(s));
}
12.生成随机字符串.
private function GenerateCheckCo
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<?xml version="1.0" encoding="utf-8"?>
<!-- Simple example to demonstrate the DateTimeAxis class. -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
<mx:Script>
import mx.collections.ArrayCollection;
......
(1)Event Listeners
Listening to parent objects does cause memory leaks
e.g.
& ......
更多 Flex 4 示例,请到 http://www.slsay.com
现有成熟常用的Flex框架:
Cairngorm (Adobe Open Source) - MVC framework
PureMVC (Open Source) - MVC framework
Mate (Open Source) - tag-based, event-driven
Swiz (Open Source) - Metadata-based Dependency Injection ......
Flex Java Object对应关系
目前LCDS只能与J2EE的服务端进行通信,所以目前只是ActionScript 3.0数据类型和Java数据类型的转换。ActionScript 3.0与Java数据类型转换是不对称的。
ActionScript3.0向Java转换时数据类型的对应关系
ActionScript数据类型 -------------------Java数据类型
null -------------------null ......