Flex中TitleWindow传值思路及实现

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Flex中TitleWindow传值思路及实现

来源:互联网 作者:脚本宝典 时间:2015-06-23 18:59 【

1、设计思路 (1)新建一个DataGrid,在其中最后一列加入三个按钮:新增、修改和删除; (2)点击新增按钮,可以将表格新增一行; (3)单击修改按钮,可以修改表格中该行的一些属
1、设计思路 

(1)新建一个DataGrid,在其中最后一列加入三个按钮:新增、修改和删除; 

(2)点击新增按钮,可以将表格新增一行; 

(3)单击“修改”按钮,可以修改表格中该行的一些属性; 

(4)单击“删除”按钮,会将表格中该行删除。 

2、实现步骤 

(1)新建一个应用程序,DataGrid.mxml 

DataGrid.mxml: 
复制代码代码如下:

<?xml version="1.0" encoding="utf-8"?> 
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" 
xmlns:s="library://ns.adobe.com/flex/spark" 
xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"> 
<s:layout> 
<s:BasicLayout/> 
</s:layout> 
<fx:Declarations> 
<!-- 将非可视元素(例如服务、值对象)放在此处 --> 
</fx:Declarations> 

<fx:Script> 
<![CDATA[ 
import mx.collections.ArrayCollection; 

[Bindable] 
//表格数据源绑定 
private var grid:ArrayCollection = new ArrayCollection([ 
{number:"2014010101",name:"张三",sex:"男",age:"19"}, 
{number:"2014010102",name:"李思",sex:"女",age:"20"}, 
{number:"2014010103",name:"蔡华",sex:"男",age:"21"}, 
{number:"2014010104",name:"牛耳",sex:"女",age:"22"}, 
{number:"2014010105",name:"兆司",sex:"男",age:"18"}, 
{number:"2014010106",name:"胡柳",sex:"女",age:"19"}, 
{number:"2014010107",name:"刘斯",sex:"男",age:"20"}, 
{number:"2014010108",name:"孙阳",sex:"女",age:"22"}, 
{number:"2014010109",name:"郑武",sex:"男",age:"21"}, 
{number:"2014010110",name:"王雪",sex:"女",age:"20"}, 
{number:"2014010111",name:"胡柳",sex:"女",age:"19"}, 
{number:"2014010112",name:"刘斯",sex:"男",age:"20"}, 
{number:"2014010113",name:"孙阳",sex:"女",age:"22"}, 
{number:"2014010114",name:"郑武",sex:"男",age:"21"}, 
{number:"2014010115",name:"王雪",sex:"女",age:"20"} 
]); 
]]> 
</fx:Script> 

<mx:VBox width="100%" height="100%" paddingBottom="100" paddingLeft="100" paddingRight="100" paddingTop="100"> 
<mx:DataGrid id="dataGrid" dataProvider="{grid}" rowCount="{grid.length+1}" width="100%" textAlign="center"> 
<mx:columns> 
<mx:DataGridColumn headerText="学号" dataField="number" id="stuNumber"/> 
<mx:DataGridColumn headerText="姓名" dataField="name"/> 
<mx:DataGridColumn headerText="性别" dataField="sex"/> 
<mx:DataGridColumn headerText="年龄" dataField="age"/> 
<mx:DataGridColumn headerText="操作"> 
<mx:itemRenderer> 
<fx:Component> 
<mx:HBox width="100%" paddingLeft="40"> 

<fx:Script> 
<![CDATA[ 
import mx.managers.PopUpManager; 

/*添加按钮事件函数*/ 
protected function addHandler(event:MouseEvent):void 

var childWindow:ChildWindow = ChildWindow(PopUpManager.createPopUp(this,ChildWindow,true)); 
var point:Point = new Point(100,100); 
childWindow.x = point.x + 400; 
childWindow.y = point.y + 50; 


/*修改按钮事件函数*/ 
protected function updateHandler(event:MouseEvent):void 

var updateWindow:UpdateWindow = UpdateWindow(PopUpManager.createPopUp(this,UpdateWindow,true)); 
var point:Point = new Point(100,100); 
updateWindow.x = point.x + 400; 
updateWindow.y = point.y + 50; 
updateWindow.stuNo = event.currentTarget.selectedItem.content; 


]]> 
</fx:Script> 

<mx:LinkButton label="新增" click="addHandler(event)"/> 
<s:Label width="10"/> 
<mx:LinkButton label="修改" click="updateHandler(event)"/> 
<s:Label width="10"/> 
<mx:LinkButton label="删除"/> 
</mx:HBox> 
</fx:Component> 
</mx:itemRenderer> 
</mx:DataGridColumn> 
</mx:columns> 
</mx:DataGrid> 

</mx:VBox> 
</s:Application> 

(2)新建一个新增窗口组件,ChildWindow.mxml 

ChildWindow.mxml: 
复制代码代码如下:

<?xml version="1.0" encoding="utf-8"?> 
<s:TitleWindow xmlns:fx="http://ns.adobe.com/mxml/2009" 
xmlns:s="library://ns.adobe.com/flex/spark" 
xmlns:mx="library://ns.adobe.com/flex/mx" width="400" height="300" 
close="closeHandler(event)" title="新增窗口"> 
<s:layout> 
<s:BasicLayout/> 
</s:layout> 
<fx:Script> 
<![CDATA[ 
import mx.events.CloseEvent; 
import mx.managers.PopUpManager; 

/*关闭按钮函数*/ 
protected function closeHandler(event:CloseEvent):void 

PopUpManager.removePopUp(this); 


/*取消按钮函数*/ 
protected function cancelHandler(event:MouseEvent):void 

PopUpManager.removePopUp(this); 


]]> 
</fx:Script> 
<fx:Declarations> 
<!-- 将非可视元素(例如服务、值对象)放在此处 --> 
</fx:Declarations> 

<mx:VBox width="100%" height="100%" horizontalAlign="center"> 
<mx:Form borderStyle="solid" borderColor="#CCCCCC" width="100%"> 
<mx:FormHeading label="新增界面" fontSize="14"/> 
<mx:FormItem label="学号:"> 
<s:TextInput id="stuNo" width="200"/> 
</mx:FormItem> 
<mx:FormItem label="姓名:"> 
<s:TextInput id="stuName" width="200"/> 
</mx:FormItem> 
<mx:FormItem label="性别:"> 
<s:TextInput id="stuSex" width="200"/> 
</mx:FormItem> 
<mx:FormItem label="年龄:"> 
<s:TextInput id="stuAge" width="200"/> 
</mx:FormItem> 
</mx:Form> 
<mx:HBox width="100%" height="25"> 
<s:Label width="60"/> 
<s:Button label="新增"/> 
<s:Label width="48"/> 
<s:Button label="取消" click="cancelHandler(event)"/> 
</mx:HBox> 
</mx:VBox> 
</s:TitleWindow> 

(3)新建一个修改界面组件,UpdateWindow.mxml 

UpdateWindow.mxml: 
复制代码代码如下:

<?xml version="1.0" encoding="utf-8"?> 
<s:TitleWindow xmlns:fx="http://ns.adobe.com/mxml/2009" 
xmlns:s="library://ns.adobe.com/flex/spark" 
xmlns:mx="library://ns.adobe.com/flex/mx" width="400" height="300" 
close="closeHandler(event)" title="修改窗口"> 
<s:layout> 
<s:BasicLayout/> 
</s:layout> 
<fx:Script> 
<![CDATA[ 
import mx.events.CloseEvent; 
import mx.managers.PopUpManager; 

/*关闭按钮函数*/ 
protected function closeHandler(event:CloseEvent):void 

PopUpManager.removePopUp(this); 


/*取消按钮函数*/ 
protected function cancelHandler(event:MouseEvent):void 

PopUpManager.removePopUp(this); 


]]> 
</fx:Script> 
<fx:Declarations> 
<!-- 将非可视元素(例如服务、值对象)放在此处 --> 
</fx:Declarations> 

<mx:VBox width="100%" height="100%" horizontalAlign="center"> 
<mx:Form borderStyle="solid" borderColor="#CCCCCC" width="100%"> 
<mx:FormHeading label="修改界面" fontSize="14"/> 
<mx:FormItem label="学号:"> 
<s:TextInput id="stuNo" width="200"/> 
</mx:FormItem> 
<mx:FormItem label="姓名:"> 
<s:TextInput id="stuName" width="200"/> 
</mx:FormItem> 
<mx:FormItem label="性别:"> 
<s:TextInput id="stuSex" width="200"/> 
</mx:FormItem> 
<mx:FormItem label="年龄:"> 
<s:TextInput id="stuAge" width="200"/> 
</mx:FormItem> 
</mx:Form> 
<mx:HBox width="100%" height="25"> 
<s:Label width="60"/> 
<s:Button label="修改"/> 
<s:Label width="48"/> 
<s:Button label="取消" click="cancelHandler(event)"/> 
</mx:HBox> 
</mx:VBox> 
</s:TitleWindow> 

3、设计结果 

(1)初始化时 
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