Flex中12个最基本、最简单但却最有用的函数
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No.1 复制内容到剪贴板
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System.setClipboard(strContent);
No.2 克隆(复制)一个ArrayCollection:
- //dummy solution( well, it works )
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var bar:ArrayCollection = new ArrayCollection();
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for each ( var i:Object in ac ){
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bar.addItem( i );
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}
- // fantastic ! //
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var bar:ListCollectionView = new ListCollectionView( ListCollectionView( ac ).list );
No.3 打开指定URL的页面(页面导向功能):
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navigateToURL(new URLRequest('http://ntt.cc'), '_blank'
No.4 页面重载:
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navigateToURL(new URLRequest("javascript:location.reload();"),"_self")
No.5 关闭页面:
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navigateToURL(new URLRequest("javascript:window.close()"),"_self");
No.6 设置Alert弹出窗口的背景色为透明:
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Alert
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{
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modalTransparency:0.0;
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modalTransparencyBlur:0;
- }
No.7 设置随机颜色:
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lbl.setStyle('color', 0xffffff*Math.random());
No.8 去掉字符串左面的空格
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public function LTrim(s : String):String
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{
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var i : Number = 0;
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while(s.charCodeAt(i) == 32 || s.charCodeAt(i) == 13 || s.charCodeAt(i) == 10 || s.charCodeAt(i) == 9)
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{
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i++;
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}
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return s.substring(i,s.length);
- }
No.9 去掉字符串右面的空格
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public function RTrim(s : String):String
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{
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var i : Number = s.length - 1;
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while(s.charCodeAt(i) == 32 || s.charCodeAt(i) == 13 || s.charCodeAt(i) == 10 ||s.charCodeAt(i) == 9)
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{
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i--;
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}
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return s.substring(0,i+1);
- }
No.10 去掉字符创两边的空格
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public function Trim(s : String):String
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{
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return LTrim(RTrim(s));
- }
No.11 取得数据类型:
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getQualifiedClassName(data)
No.12 生成验证码
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private function GenerateCheckCode():String
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{
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//初始化
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var ran:Number;
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var number:Number;
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var code:String;
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var checkCode:String ="";
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//生成四位的随机数,每循环一次生成一位
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for(var i:int=0; i<4; i++)
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{
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ran=Math.random();
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number =Math.round(ran*10000); //将随机数保留小数点后四位,例如:0.1234
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if(number % 2 == 0)
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code = String.fromCharCode(48+(number % 10)); // 数字0的ASCII码是:48
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else
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code = String.fromCharCode(65+(number % 26)) ; // 字母A的ASCII是: 65
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checkCode += code;
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}
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return checkCode;
- }
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