[flex] 组件Tree系列 —— 将数组作为dataProvider

<?xml version="1.0" encoding="utf-8"?>

<!--功能描述：将数组作为dataProvider-->

<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">
    
    <fx:Script>
        <![CDATA[
            protected function tree_labelFunction(item:Object):String
            {
                var num:String = "";
                if (tree.dataDescriptor.hasChildren(item)) {
                    num = " (" + item.children.length + ")";
                }
                return item.label + num;
            }
        ]]>
    </fx:Script>
    
    <fx:Declarations>
        <!-- 将非可视元素（例如服务、值对象）放在此处 -->
        <fx:Array id="data">
            <fx:Object label="周星驰">
                <fx:children>
                    <fx:Object label="1988">
                        <fx:children>
                            <fx:Object label="《霹雳先锋》香港票房8916612" />
                            <fx:Object label="《捕风汉子》香港票房3149395" />
                            <fx:Object label="《最佳女婿》香港票房5807710" />
                        </fx:children>
                    </fx:Object>
                    <fx:Object label="1989">
                        <fx:children>
                            <fx:Object label="《龙在天涯》香港票房6809853 " />
                            <fx:Object label="《义胆群英》香港票房7913329" />
                            <fx:Object label="《流氓差婆》香港票房5624622 " />
                            <fx:Object label="《风雨同路》香港票房9335299 " />
                            
                        </fx:children>
                    </fx:Object>
                </fx:children>
            </fx:Object>
            <fx:Object label="李连杰">
                <fx:children>
                    <fx:Object label="1992">
                        <fx:children>
                            <fx:Object label="笑傲江湖之东方不败（1992）" />
                            <fx:Object label="黄飞鸿之二男儿当自强（1992）" />
                            <fx:Object label="黄飞鸿之三狮王争霸（1992）" />
                        </fx:children>
                    </fx:Object>
                    <fx:Object label="1993">
                        <fx:children>
                            <fx:Object label="方世玉Ⅱ万夫莫敌（1993） " />
                            <fx:Object label="倚天屠龙记之魔教教主（1993）" />
                            <fx:Object label="黄飞鸿之铁鸡斗蜈蚣（1993） " />
                            <fx:Object label="太极张三丰（1993） " />
                            
                        </fx:children>
                    </fx:Object>
                    <fx:Object label="1993">
                        <fx:children>
                            <fx:Object label="新少林五祖（1994） " />
                            <fx:Object label="精武英雄（1994）" />
                            <fx:Object label="中南海保镖（1994）  " />
                            <fx:Object label="给爸爸的信（1995） " />
                        </fx:children>
                    </fx:Object>
                </fx:children>
            </fx:Object>
        </fx:Array>
    </fx:Declarations>
    
    <mx:Tree id="tree" dataProvider="{data}" labelField="label"  width="320" labelFunction="tree_labelFunction"/>
</s:Application>