Flex父子窗口相互调用实现思路及源码
Flex父子窗口相互调用实现思路及源码
发布时间:2017-01-07 来源:查字典编辑
摘要:1、设计思路(1)子窗口调用父窗口的方法(2)子窗口做了修改后,返回父窗口,父窗口调用子窗口函数2、设计源码(1)父窗口ParentWind...

1、设计思路

(1)子窗口调用父窗口的方法

(2)子窗口做了修改后,返回父窗口,父窗口调用子窗口函数

2、设计源码

(1)父窗口

ParentWindow.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"

width="100%" height="100%">

<s:layout>

<s:BasicLayout/>

</s:layout>

<fx:Declarations>

<>

</fx:Declarations>

<fx:Script>

<![CDATA[

import mx.collections.ArrayCollection;

import mx.controls.Alert;

import mx.managers.PopUpManager;

[Bindable]

//表格数据源绑定

private var grid:ArrayCollection = new ArrayCollection([

{number:"2014010101",name:"张散",sex:"男",age:"23"},

{number:"2014010102",name:"李思",sex:"女",age:"22"},

{number:"2014010101",name:"吴王",sex:"男",age:"21"},

{number:"2014010101",name:"赵柳",sex:"女",age:"20"},

{number:"2014010101",name:"游华",sex:"男",age:"22"},

{number:"2014010101",name:"祝思",sex:"女",age:"18"},

{number:"2014010101",name:"周礼",sex:"男",age:"19"},

{number:"2014010101",name:"华捷",sex:"女",age:"20"},

{number:"2014010101",name:"刘亮",sex:"男",age:"22"},

{number:"2014010101",name:"沈雪",sex:"女",age:"21"}

]);

/*修改事件函数*/

protected function updateHandler(event:MouseEvent):void

{

//新建子窗体对象

var childWindow:ChildWindow = new ChildWindow();

//将子窗体添加到PopUpManager中

PopUpManager.addPopUp(childWindow,this,true);

//向子窗体传递参数

childWindow.age = "23";

//子窗口调用父窗口函数

childWindow.callBack = this.myFunction;

//子窗体居中弹出

PopUpManager.centerPopUp(childWindow);

}

/*刷新函数*/

public function myFunction(you:String):void

{

Alert.show(you+"Hello");

}

]]>

</fx:Script>

<mx:VBox width="100%" height="100%" paddingBottom="10" paddingLeft="10" paddingRight="10" paddingTop="10">

<mx:DataGrid id="dataGrid" dataProvider="{grid}" rowCount="{grid.length + 1}" width="100%"

verticalAlign="middle" textAlign="center">

<mx:columns>

<mx:DataGridColumn headerText="学号" dataField="number"/>

<mx:DataGridColumn headerText="姓名" dataField="name"/>

<mx:DataGridColumn headerText="性别" dataField="sex"/>

<mx:DataGridColumn headerText="年龄" dataField="age"/>

</mx:columns>

</mx:DataGrid>

<mx:HBox width="100%" horizontalAlign="center" verticalAlign="middle">

<s:Button label="修改" click="updateHandler(event)"/>

</mx:HBox>

</mx:VBox>

</s:Application>

(2)子窗口

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="300" height="220"

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;

//回调函数

public var callBack:Function;

public var age:String = "";

/*关闭事件函数*/

protected function closeHandler(event:CloseEvent):void

{

PopUpManager.removePopUp(this);

}

/*修改按钮事件函数*/

protected function updateHandler(event:MouseEvent):void

{

stuAge.text = age;

}

/*取消按钮事件函数*/

protected function cancelHandler(event:MouseEvent):void

{

number.text = "";

stuName.text = "";

PopUpManager.removePopUp(this);

if(isPopUp)

{

callBack.call(parent);

}

}

]]>

</fx:Script>

<fx:Declarations>

<>

</fx:Declarations>

<mx:VBox width="100%" height="100%">

<mx:Form>

<mx:FormItem label="学号:">

<s:TextInput id="number" width="200" maxChars="10"/>

</mx:FormItem>

<mx:FormItem label="姓名:">

<s:TextInput id="stuName" width="200" maxChars="10"/>

</mx:FormItem>

<mx:FormItem label="性别:">

<mx:HBox width="100%">

<mx:RadioButtonGroup id="sex"/>

<s:RadioButton groupName="sex" label="男" selected="true"/>

<s:RadioButton groupName="sex" label="女"/>

</mx:HBox>

</mx:FormItem>

<mx:FormItem label="年龄:">

<s:TextInput id="stuAge" width="200" maxChars="2"/>

</mx:FormItem>

<mx:FormItem>

<mx:HBox width="100%">

<s:Button label="修改" click="updateHandler(event)"/>

<s:Label width="42"/>

<s:Button label="取消" click="cancelHandler(event)"/>

</mx:HBox>

</mx:FormItem>

</mx:Form>

</mx:VBox>

</s:TitleWindow>

3、设计结果

(1)初始化时

1

(2)单击修改按钮

2

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