说明:

原生的 Alert.show 参数,要显示的按钮你只能 Alert.OK | Alert.Cancel 这样;

自定义 Zlert 参数跟原生的 差不多,按钮写法是这样写的: {"btnId":"确定", "btnId2":"其他按钮名称"}

ZlertWindow.mxml: com/components

<?xml version="1.0" encoding="utf-8"?>
<mx: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"
creationComplete="init(event)"
width="300" creationPolicy="all">
<fx:Declarations>
<!-- 将非可视元素(例如服务、值对象)放在此处 -->
<s:Fade id="fadeIn" alphaFrom="0" alphaTo="1" duration="1000" />
<s:Fade id="fadeOut" alphaFrom="1" alphaTo="0" duration="2500" />
</fx:Declarations> <fx:Script>
<![CDATA[
import com.events.ZlertedEvent; import mx.events.FlexEvent; import spark.components.Button; public var succFunc:Function;
public var btnsJson:Object = null; public var message:String ; [Bindable]
public var zicon:Object; private function init(event:FlexEvent):void {
initForm();
} public function initForm():void {
var that:Sprite = this;
for (var key:String in btnsJson) {
var btn:Button = new Button();
btn.id = key;
btn.label = btnsJson[key];
btn.addEventListener(MouseEvent.CLICK, function(event:MouseEvent):void {
var _btn:Button = event.currentTarget as Button;
if (succFunc) {
succFunc(_btn.id);
} var altEvt:ZlertedEvent = new ZlertedEvent(ZlertedEvent.CLOSE);
that.dispatchEvent(altEvt);
}); AltForm.addElement(btn);
} var cancelBtn:Button = new Button();
cancelBtn.id="cclBtn";
cancelBtn.label = "取消";
cancelBtn.addEventListener(MouseEvent.CLICK, function(event:MouseEvent){
var altEvt:ZlertedEvent = new ZlertedEvent(ZlertedEvent.CLOSE);
that.dispatchEvent(altEvt);
}); AltForm.addElement(cancelBtn);
} ]]>
</fx:Script> <s:VGroup width="100%" height="100%">
<s:HGroup width="100%" height="100%" horizontalCenter="0" horizontalAlign="left">
<mx:Grid horizontalCenter="0" width="100%">
<mx:GridRow>
<mx:GridItem width="40" verticalAlign="middle" horizontalAlign="center">
<s:Group><s:BitmapImage source="{zicon}" id="iconOn" /></s:Group>
</mx:GridItem>
<mx:GridItem paddingTop="8">
<s:Label text="{message}" verticalAlign="justify" fontSize="14" />
</mx:GridItem>
</mx:GridRow>
</mx:Grid>
</s:HGroup> <s:HGroup id="AltForm" width="100%" height="30" horizontalCenter="0" horizontalAlign="center"> </s:HGroup>
</s:VGroup> </mx:TitleWindow>

ZlertedEvent.as: com/events

package com.events
{
import flash.events.Event; public class ZlertedEvent extends Event
{
public static const CLOSE:String = "close";
public function ZlertedEvent(type:String, bubbles:Boolean=false, cancelable:Boolean=false)
{
super(type, bubbles, cancelable);
}
}
}

主组件类Zlert.as

package com.command
{
import flash.display.Sprite;
import flash.events.EventPhase; import com.components.ZlertWindow;
import com.events.ZlertedEvent; import mx.controls.Alert;
import mx.core.Application;
import mx.core.FlexGlobals;
import mx.events.FlexEvent;
import mx.managers.ISystemManager;
import mx.managers.PopUpManager; public class Zlert
{
[Embed('assets/skins/alert/tip_question.png')]
private static var ICON_QUESTION:Class;
private static var parent:Sprite public function Zlert()
{
super();
} public static function show(msg:String, title:String = "确定", sprite:Sprite = null, btnsJson:Object = null, cancelHandler:Function = null) : void {
trace("asdfa"); var modal:Boolean = true; parent = sprite;
if (!parent)
{
var sm:ISystemManager = ISystemManager(FlexGlobals.topLevelApplication.systemManager);
// no types so no dependencies
var mp:Object = sm.getImplementation("mx.managers::IMarshalSystemManager");
if (mp && mp.useSWFBridge())
parent = Sprite(sm.getSandboxRoot());
else
parent = Sprite(FlexGlobals.topLevelApplication);
} var alt:ZlertWindow = new ZlertWindow();
alt.title = title;
alt.message = msg;
alt.btnsJson = btnsJson;
alt.zicon = ICON_QUESTION;
alt.succFunc = cancelHandler; alt.addEventListener(ZlertedEvent.CLOSE, function():void{
PopUpManager.removePopUp(alt);
}); PopUpManager.addPopUp(alt, parent, modal);
PopUpManager.centerPopUp(alt);
} }
}

使用方法:

Zlert.show("提示消息?","标题", this, {"btnId1":"确定", "btnId2" : "按钮2"}, function(key:String):void {
if (key != "btnId1") {
//...
}
});

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