如何创建自定义错误和通知消息

Question

我想创建自定义错误和通知消息，但我不知道应该使用哪个元素。在消息中应该有图标和文本我尝试使用标签，但不知道如何构建我需要的自定义标签。是否有关于如何创建自定义标签的资源或提示如何创建自定义标签？标签还需要边框和一些效果。

Answer 1

您只需使用默认的Alert 弹出窗口并添加一个图标即可。

来自 http://blog.flexexamples .com/2007/07/21/setting-an-icon-in-an-alert-control/：

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2007/07/21/setting-an-icon-in-an-alert-control/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        creationComplete="showAlert();"
        backgroundColor="white">

    <mx:Script>
        <![CDATA[
            import mx.controls.Alert;
            import mx.events.CloseEvent;

            // Embed the error.png image.
            [Bindable]
            [Embed(source='assets/error.png')]
            private var Icon:Class;

            private var a:Alert;

            private function showAlert():void {
                var titleText:String = "WARNING";
                var messageText:String = "Are you sure you would like to erase the Internet?\\n\\nPress OK to continue, or Cancel to abort.";
                /* Display the Alert, show the OK and Cancel buttons,
                    and show an icon represented by the Icon binding. */
                a = Alert.show(messageText, titleText, Alert.OK | Alert.CANCEL, null, doClose, Icon);
            }

            private function doClose(evt:CloseEvent):void {
                // do nothing.
            }
        ]]>
    </mx:Script>

    <mx:Button label="Launch Alert" click="showAlert();" />

</mx:Application>