flex 随机产生颜色
servlet 实现注册功能的前台代码
<?xml version="1.0" encoding="UTF-8"?><s:Group xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/halo" creationComplete="group1_creationCompleteHandler(event)" width="529" height="302" alpha="0.8" > <s:layout> <s:VerticalLayout horizontalAlign="center" useVirtualLayout="true"> </s:VerticalLayout> </s:layout> <s:Panel width="100%" height="100%"> <s:VGroup width="100%" height="100%" > <s:Group width="100%" height="20%"> <s:layout> <s:HorizontalLayout useVirtualLayout="true" verticalAlign="middle" > </s:HorizontalLayout> </s:layout> <mx:Label text="用户名:" width="100" textAlign="right"/> <s:TextInput width="50%" id="userNameTxt"/> </s:Group> <s:Group width="100%" height="20%"> <s:layout> <s:HorizontalLayout useVirtualLayout="true" verticalAlign="middle"> </s:HorizontalLayout> </s:layout> <mx:Label text="密码:" width="100" textAlign="right"/> <s:TextInput width="50%" displayAsPassword="true" id="passWordTxt" /> </s:Group> <s:Group width="100%" height="20%"> <s:layout> <s:HorizontalLayout useVirtualLayout="true" verticalAlign="middle"> </s:HorizontalLayout> </s:layout> <mx:Label text="性别:" width="100" textAlign="right"/> <mx:ComboBox selectedIndex="-1" prompt="请选择性别" labelField="name" width="10%" dataProvider="{dp}" id="sex"> </mx:ComboBox> </s:Group> <s:Group width="100%" height="20%" > <s:layout> <s:HorizontalLayout useVirtualLayout="true" verticalAlign="middle"> </s:HorizontalLayout> </s:layout> <s:Button label="确定" id="regist_queding" click="regist_queding_clickHandler(event)"/> <s:Button label="关闭" id="regist_colse" click="regist_colse_clickHandler(event)"/> </s:Group> </s:VGroup> </s:Panel> <fx:Script> <![CDATA[ import mx.validators.Validator; import mx.rpc.events.ResultEvent; import mx.collections.ArrayCollection; import mx.managers.PopUpManager; import mx.controls.Alert; import mx.events.FlexEvent; [Bindable] public var bgColor:uint; [Bindable] private var dp:ArrayCollection=new ArrayCollection([{name:'男'},{name:'女'}]);protected function image1_clickHandler(event:MouseEvent):void { PopUpManager.removePopUp(this); } protected function regist_queding_clickHandler(event:MouseEvent):void { if(Validator.validateAll(validatorArray).length==0){ var par:URLVariables = new URLVariables(); par.userName=userNameTxt.text; par.passWord=passWordTxt.text; par.sex=sex.selectedLabel; regist.send(par); }else{ userNameTxt.dispatchEvent(new MouseEvent(MouseEvent.MOUSE_OVER)); passWordTxt.dispatchEvent(new MouseEvent(MouseEvent.MOUSE_OVER)); sex.dispatchEvent(new MouseEvent(MouseEvent.MOUSE_OVER)); } } protected function regist_colse_clickHandler(event:MouseEvent):void { PopUpManager.removePopUp(this); } protected function regist_resultHandler(event:ResultEvent):void { var mes:String = event.message.body.toString(); if(mes=="true"){ Alert.show("注册成功"); // PopUpManager.removePopUp(this); }else{ Alert.show("注册失败"); } } protected function group1_creationCompleteHandler(event:FlexEvent):void { bgColor=Math.random()*0xFFFFFF; } ]]> </fx:Script> <fx:Declarations> <s:HTTPService id="regist" url="../servlet/UserServlet?action=regist" result="regist_resultHandler(event)"> </s:HTTPService> <fx:Array id="validatorArray"> <mx:StringValidator source="{userNameTxt}" property="text" tooShortError="最少要5个字符" requiredFieldError="不能为空"tooLongError="最长不能超长20个字符" minLength="5" maxLength="20"/> <mx:StringValidator source="{passWordTxt}" property="text" tooShortError="最少要6个字符" requiredFieldError="不能为空" tooLongError="最长不能超长20个字符" minLength="6" maxLength="20"/> <mx:NumberValidator source="{sex}" lowerThanMinError="请选择性别" property="selectedIndex" minValue="0"/> </fx:Array> </fx:Declarations></s:Group>