积少成多Flash(12) - Flex 3.0 验证控件(Validator), 缓动效果(easing)

<?xml version="1.0" encoding="utf-8"?> 

<!-- 
        各种验证控件的基类 Validator 的 Demo，其可用于必填验证 
--> 

<mx:Panel xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" width="400" height="300" 
        title="Validator - Validator (其他验证器的基类，可用于必填验证)"> 
         
        <mx:Validator id="validator"    
                source="{txtInput}" property="text"    
                required="true" requiredFieldError="请输入必填字段" 
                trigger="{btnSubmit}" triggerEvent="click" 
        /> 
                 
        <mx:Form> 
                <mx:FormItem label="必填字段: "> 
                        <mx:TextInput id="txtInput"/> 
                </mx:FormItem> 
                <mx:FormItem > 
                        <mx:Button id="btnSubmit" label="验证" /> 
                </mx:FormItem> 
        </mx:Form> 
         
</mx:Panel>

<?xml version="1.0" encoding="utf-8"?> 

<!-- 
        应用日期验证控件的 Demo 
--> 

<mx:Panel xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" width="400" height="300" 
        title="Validator - DateValidator (日期验证)"> 

        <mx:DateValidator source="{txtDate}" property="text" 
                required="true" requiredFieldError="请输入日期"    
                allowedFormatChars="-" inputFormat="YYYY-MM-DD"    
                trigger="{btnSubmit}" triggerEvent="click"    
                valid="mx.controls.Alert.show('验证成功');" 
                invalid="mx.controls.Alert.show('验证失败');"    
                wrongDayError="日输入错误" 
                wrongMonthError="月输入错误" 
                wrongYearError="年输入错误" 
                wrongLengthError="日期长度错误" 
                invalidCharError="日期分隔符错误" 
                formatError="inputFormat 配置错误" 
        /> 
                 
         <mx:Form> 
                <mx:FormItem label="日期(格式 yyyy-MM-dd): "> 
                        <mx:TextInput id="txtDate"/> 
                </mx:FormItem> 
                <mx:FormItem > 
                        <mx:Button id="btnSubmit" label="验证" /> 
                </mx:FormItem> 
        </mx:Form> 
         
</mx:Panel>

<?xml version="1.0" encoding="utf-8"?> 

<!-- 
        应用 Email 验证控件的 Demo 

--> 
<mx:Panel xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" width="400" height="300" 
        title="Validator - EmailValidator (Email验证)"> 
         
        <mx:EmailValidator id="emailValidator" source="{txtEmail}" property="text" 
                missingAtSignError="缺少@"    
                     valid="mx.controls.Alert.show('验证成功');" 
        /> 
                
        <mx:Form> 
                <mx:FormItem label="Email: "> 
                        <mx:TextInput id="txtEmail"/> 
                </mx:FormItem> 
                <mx:FormItem > 
                        <mx:Button id="btnSubmit" label="验证" click="emailValidator.validate();" /> 
                </mx:FormItem> 
        </mx:Form> 
         
</mx:Panel>

<?xml version="1.0" encoding="utf-8"?> 

<!-- 
        应用正则表达式验证控件的 Demo 
--> 

<mx:Panel xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" width="400" height="300" 
        title="Validator - RegExpValidator (正则表达式验证)"> 
         
        <mx:Script> 
                <![CDATA[ 
                 
                        import mx.events.ValidationResultEvent; 
                        import mx.validators.*; 
                        import mx.controls.Alert; 
                         
                        private function handleResult(e:ValidationResultEvent):void 
                        { 
                                if (e.type == ValidationResultEvent.VALID) 
                                { 
                                        Alert.show("验证成功"); 
                                } 
                        } 
                         
                ]]> 
        </mx:Script> 
         
        <mx:RegExpValidator id="regExpValidator"    
                source="{txtInput}" property="text"    
                flags="g,i" expression="^[a-z]+$"    
                valid="handleResult(event)" invalid="handleResult(event)" 
                trigger="{btnSubmit}" triggerEvent="click" 
                noMatchError="请输入正确的英文字母" 
                required="false" 
        /> 
                 
        <mx:Form> 
                <mx:FormItem label="请输入英文字母: "> 
                        <mx:TextInput id="txtInput"/> 
                </mx:FormItem> 
                <mx:FormItem > 
                        <mx:Button id="btnSubmit" label="验证" /> 
                </mx:FormItem> 
        </mx:Form> 
         
</mx:Panel>

<?xml version="1.0" encoding="utf-8"?> 

<!-- 
        演示各种缓动（easing）的 Demo 
        和 Silverlight 中的缓动一致 http://www.cnblogs.com/webabcd/archive/2009/08/20/1550334.html 
--> 

<mx:Panel xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" width="400" height="300" 
        title="easing 的应用(TweenEffect 的 easingFunction 属性)"> 
         
        <mx:Script> 
                <![CDATA[ 
                 
                        import mx.events.TweenEvent; 
                         
                        import mx.effects.easing.Back; 
                        import mx.effects.easing.Bounce; 
                        import mx.effects.easing.Circular; 
                        import mx.effects.easing.Cubic; 
                        import mx.effects.easing.Elastic; 
                        import mx.effects.easing.Exponential; 
                        import mx.effects.easing.Linear; 
                        import mx.effects.easing.Quadratic; 
                        import mx.effects.easing.Quartic; 
                        import mx.effects.easing.Quintic; 
                        import mx.effects.easing.Sine; 
                         
                        private function moveImage(e:MouseEvent):void 
                        { 
                                effectMove.end();         
                                effectMove.xTo = 240; 
                                effectMove.yTo = 120; 
                                effectMove.play(); 
                        } 
                         
                        private function radioChangeHandler():void 
                        { 
                                switch (radioGroup.selectedValue) 
                                { 
                                        case "Back" : 
                                                effectMove.easingFunction = Back.easeOut; 
                                                break; 
                                        case "Bounce" : 
                                                effectMove.easingFunction = Bounce.easeOut; 
                                                break; 
                                        case "Circular" : 
                                                effectMove.easingFunction = Circular.easeOut; 
                                                break; 
                                        case "Cubic" : 
                                                effectMove.easingFunction = Cubic.easeOut; 
                                                break; 
                                        case "Elastic" : 
                                                effectMove.easingFunction = Elastic.easeOut; 
                                                break; 
                                        case "Exponential" : 
                                                effectMove.easingFunction = Exponential.easeOut; 
                                                break; 
                                        case "Linear" : 
                                                effectMove.easingFunction = Linear.easeOut; 
                                                break; 
                                        case "Quadratic" : 
                                                effectMove.easingFunction = Quadratic.easeOut; 
                                                break; 
                                        case "Quartic" : 
                                                effectMove.easingFunction = Quartic.easeOut; 
                                                break; 
                                             case "Quintic" : 
                                                effectMove.easingFunction = Quintic.easeOut; 
                                                break; 
                                        case "Sine" : 
                                                effectMove.easingFunction = Sine.easeOut; 
                                                break; 
                                        default : 
                                                break; 
                                } 
                        } 
                         
                        private function effectEndHandler():void 
                        { 
                                image.x = 24; 
                                image.y = 24; 
                        } 
                         
                ]]> 
        </mx:Script> 
         
        <mx:Move id="effectMove" target="{image}" duration="5000" 
                easingFunction="{Bounce.easeOut}"    
                effectEnd="effectEndHandler();" /> 
         
        <mx:Canvas id="canvas" width="100%" height="100%"> 
                <mx:Image id="image" source="@Embed('images/logo.png')" 
                        x="24" y="24" width="48" height="48" /> 
                <mx:Button id="btnMove" label="移动" click="moveImage(event)" x="10" y="80"/> 
                 
                <mx:RadioButtonGroup id="radioGroup" change="radioChangeHandler();"/> 
                <mx:RadioButton x="10" y="140" label="Back" groupName="radioGroup"/> 
                <mx:RadioButton x="97" y="140" label="Bounce" groupName="radioGroup" selected="true"/> 
                <mx:RadioButton x="199" y="140" label="Circular" groupName="radioGroup"/> 
                <mx:RadioButton x="294" y="140" label="Cubic" groupName="radioGroup"/> 
                <mx:RadioButton x="10" y="170" label="Elastic" groupName="radioGroup"/> 
                <mx:RadioButton x="199" y="200" label="Exponential" groupName="radioGroup"/> 
                <mx:RadioButton x="10" y="200" label="Linear" groupName="radioGroup"/> 
                <mx:RadioButton x="97" y="200" label="Quadratic" groupName="radioGroup"/> 
                <mx:RadioButton x="294" y="170" label="Quartic" groupName="radioGroup"/> 
                <mx:RadioButton x="199" y="170" label="Quintic" groupName="radioGroup"/> 
                <mx:RadioButton x="97" y="170" label="Sine" groupName="radioGroup"/> 
        </mx:Canvas> 
         
</mx:Panel>

<?xml version="1.0" encoding="utf-8"?> 

<!-- 
        实现自定义 easing 的 Demo 
--> 

<mx:Panel xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" width="400" height="300" 
        title="自定义 easing"> 

         <mx:Script> 
                <![CDATA[ 
                 
                        /** 
                         *    @param t 当前时间，介于 0 - 持续时间 之间 
                         *    @param b 动画属性的初始值 
                         *    @param c 动画属性的总计变化值 
                         *    @param d 运动的持续时间 
                         */ 
                        private function myEasingFunction(t:Number, b:Number, c:Number, d:Number):Number    
                        { 
                                if ((t /= d) < (1 / 2.75))    
                                { 
                                        return c * (7.5625 * t * t) + b; 
                                    } 
                                    else if (t < (2 / 2.75))    
                                    { 
                                        return c * (7.5625 * (t-=(1.5/2.75)) * t + .75) + b; 
                                    } 
                                    else if (t < (2.5 / 2.75))    
                                    { 
                                        return c * (7.5625 * (t-=(2.25/2.75)) * t + .9375) + b; 
                                    } 
                                    else    
                                    { 
                                            return c * (7.5625 * (t-=(2.625/2.75)) * t + .984375) + b; 
                                    } 
                        }; 
                         
                        private function moveImage(e:MouseEvent):void 
                        { 
                                var position:Point = new Point(stage.mouseX, stage.mouseY); 
                                var localPosition:Point = canvas.globalToLocal(position); 
                         
                                effectMove.end();         
                                effectMove.xTo = localPosition.x - (image.width / 2) 
                                effectMove.yTo = localPosition.y - (image.height / 2) 
                                effectMove.play(); 
                        } 
                ]]> 
        </mx:Script> 

        <mx:Move id="effectMove" target="{image}" easingFunction="myEasingFunction" /> 
         
        <mx:Canvas id="canvas" width="100%" height="100%" mouseDown="moveImage(event)"> 
         
                <mx:Image id="image" source="@Embed('images/logo.png')" 
                        x="24" y="24" width="48" height="48"    
                 /> 
                    
        </mx:Canvas> 
                 
</mx:Panel>

<?xml version="1.0" encoding="utf-8"?> 

<!-- 
        用 AS3 封装好的常用加密算法。详情 http://crypto.hurlant.com 
        以下以 3DES 加密/解密为例 
--> 

<mx:Panel xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" 
        title="3DES - ECB 加密解密算法 Demo" width="424" height="382"> 

        <mx:Script> 
                <![CDATA[ 
                         
                        import com.hurlant.crypto.symmetric.ICipher; 
                        import com.hurlant.crypto.symmetric.PKCS5; 
                        import com.hurlant.crypto.symmetric.IPad; 
                        import com.hurlant.util.Base64; 
                        import com.hurlant.util.Hex; 
                        import com.hurlant.crypto.Crypto; 
                         
                        private function encryptHandler():void    
                        { 
                                var key:String = txtKey.text; 
                                var keyData:ByteArray = Hex.toArray(Hex.fromString(key)); 

                                var plain:String = txtPlainText.text; 
                                var plainData:ByteArray = Hex.toArray(Hex.fromString(plain)); 
                                 
                                var name:String = "des3-ecb"; 
                                                         
                                var pad:IPad = new PKCS5; 
                                var mode:ICipher = Crypto.getCipher(name, keyData, pad); 
                                pad.setBlockSize(mode.getBlockSize()); 
                                mode.encrypt(plainData); 
                                 
                                var result:String = Base64.encodeByteArray(plainData); 
                                txtCipherText.text = result; 
                        } 
                         
                        private function decryptHandler():void    
                        { 
                                var key:String = txtKey.text; 
                                var keyData:ByteArray = Hex.toArray(Hex.fromString(key)); 

                                var cipher:String = txtCipherText.text; 
                                var cipherData:ByteArray = Base64.decodeToByteArray(cipher);; 
                                 
                                var name:String = "des3-ecb"; 
                                                         
                                var pad:IPad = new PKCS5; 
                                var mode:ICipher = Crypto.getCipher(name, keyData, pad); 
                                pad.setBlockSize(mode.getBlockSize()); 
                                mode.decrypt(cipherData); 
                                 
                                var result:String = Hex.toString(Hex.fromArray(cipherData)); 
                                txtPlainText.text = result; 
                        } 
                         
                ]]> 
        </mx:Script> 

        <mx:Label text="加密结果以 Base64 编码输出" x="10" y="10"/> 
        <mx:Button x="286" y="184" label="加密" id="btnEncrypt" click="encryptHandler()"/> 
        <mx:Button x="342" y="184" label="解密" id="btnDecrypt" click="decryptHandler()"/> 
        <mx:TextInput x="53" y="34" width="337" id="txtKey" text="#s^un2ye31<cn%|aoXpR,+vh"/> 
        <mx:Label x="10" y="36" text="密钥:"/> 
        <mx:TextInput x="10" y="88" width="380" height="88" id="txtPlainText"/> 
        <mx:TextInput x="10" y="240" width="380" height="88" id="txtCipherText"/> 
        <mx:Label x="10" y="62" text="原文: "/> 
        <mx:Label x="10" y="214" text="密文: "/> 
         
</mx:Panel>

<?xml version="1.0" encoding="utf-8"?> 
<mx:VBox xmlns:mx="http://www.adobe.com/2006/mxml" width="400" height="300"> 
        <mx:Label text="懒了，Flex 还有好多东西啊，不过暂时先到这里吧"/> 
        <mx:Label text="SoundEffect 用于播放声音"/> 
        <mx:Label text="VideoDisplay 用于播放视频"/> 
        <mx:Label text="调用 Flash 开发的 swc 组件时，一般将其放入 libs 目录内"/> 
        <mx:Label text="减小主 Flex 程序的大小，可以把子模块写成 Module（被编译成独立的 swf） ，然后在需要的时候加载"/> 
        <mx:Label text="编译 Flex 的两种方式：Merged into code；Runtime shared library (RSL)"/> 
</mx:VBox>