flex读取xml实现三级联动

最新推荐文章于 2024-11-06 16:08:53 发布

iteye_3010

最新推荐文章于 2024-11-06 16:08:53 发布

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分类专栏： java学习文章标签： XML Flex Adobe

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数据源student_grade.xml

<?xml version="1.0" encoding="utf-8"?>
<students>
<student name="jimmy">
  <grade subject="math">100</grade>
  <grade subject="history">120</grade>
</student>

<student name="lucy">
  <grade subject="arts">130</grade>
  <grade subject="biology">140</grade>
</student>
</students>
</countries>

flex 页面

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical" verticalAlign="middle" backgroundColor="white">

    <mx:XML id="dp" source="student_grade.xml" format="e4x" />

    <mx:Form>
        <mx:FormItem label="Student:">
            <mx:ComboBox id="student" dataProvider="{dp.student}" labelField="@name" />
        </mx:FormItem>
        <mx:FormItem label="Grade:">
            <mx:ComboBox id="grade" dataProvider="{student.selectedItem.grade}" />
        </mx:FormItem>
    </mx:Form>

</mx:Application>