基本控件 Alert组件

Alert.show(content,title,flags,parent,closeHandle,iconClass,defaultButtonFlag);

Content:提示内容.

title:提示框标题

flags:指定出现的按钮。选值有：

0--OK按钮，
1--Yes按钮
2--No按钮
3--Yes,No按钮组
4--OK按钮，
5--OK,Yes按钮组
6--OK,No按钮组
7--OK,YES,NO按钮组
8--Cancel按钮
9--YES,CANCEL按钮组
10--NO,CANCEL按钮组 
11--YES,NO,CANCEL
12--NO,CANCEL按钮组 
13--NO,YES,CANCEL按钮组
14--OK,NO,CANCEL按钮组 
15--OK,NO,YES,CANCEL按钮组。
到16以后又回到0开始，即16=0，17=1等等

//你可以通过逻辑符合"|"随意组合，组合后默认排列，与你自定义的顺序无关。
如：1|2|8显示是为:YES按钮，NO按钮，Cancel按钮

parent:对话框居中的参照对象。一般指定this,即当前窗口。

 iconClass:给对话框指定图标。

defaultButtonFlag:指定默认被选中的按钮。当按下回车相当于该按钮的点击事件出发。

【官方源码】

   
                    import mx.controls.Alert;
            import mx.events.CloseEvent;
       
            // Event handler function uses a static method to show
            // a pop-up window with the title, message, and requested buttons.       
            private function clickHandler(event:Event):void {
                Alert.show("Do you want to save your changes?", "Save Changes",3, this, alertClickHandler);
            }
       
            // Event handler function for displaying the selected Alert button.
            private function alertClickHandler(event:CloseEvent):void {
                if (event.detail==Alert.YES)
                    status.text="You answered Yes";
                else
                    status.text="You answered No";
            }

            // Event handler function changes the default Button labels and sets the
            // Button widths. If you later use an Alert with the default Buttons,
            // you must reset these values.
            private function secondClickHandler(event:Event):void {
                Alert.buttonWidth = 100;
                Alert.yesLabel = "Magenta";
                Alert.noLabel = "Blue";
                Alert.cancelLabel = "Green";

                Alert.show("Select a color:","Color Selection",1|2|8,this);
               
                // Set the labels back to normal:
                Alert.yesLabel = "Yes";
                Alert.noLabel = "No";               
            }
        ]]>
   

   
                text="Click the button below to display a simple Alert window."/>
     

                text="Click the button below to display an Alert window and capture the button pressed by the user."/>
     
     

                text="Click the button below to display an Alert window that uses custom Button labels."/>
     
   

【效果】