Flex 创设过滤特定文件的FileReference
Flex 创建过滤特定文件的FileReference
下面的代码演示了Flex中如何创建一个可以过滤特定后缀文件的FileReference,
示例:
From
http://cookbooks.adobe.com/index.cfm?event=showdetails&postId=11366
http://blog.minidx.com/2008/10/23/1574.html
下面的代码演示了Flex中如何创建一个可以过滤特定后缀文件的FileReference,
var imagesFilter:FileFilter = new FileFilter("Images","*.jpg;*.gif;*.png"); var docFilter:FileFilter = new FileFilter("Documents","*.pdf;*.doc;*.txt"); var myFileReference:FileReference = new FileReference(); myFileReference.browse([imagesFilter, docFilter]);
示例:
<?xml version="1.0"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"> <mx:Script> <![CDATA[ private var oneFileFileFilter:FileFilter = newFileFilter("sample.pdf", "sample.pdf"); private var pdfFileFileFilter:FileFilter = newFileFilter("PDF Files", "*.pdf"); private function oneFile():void{ var fileRef:FileReference = new FileReference(); fileRef.browse([oneFileFileFilter]); } private function pdfFiles():void{ var fileRef:FileReference = new FileReference(); fileRef.browse([pdfFileFileFilter]); } ]]> </mx:Script> <mx:Button label="One File - sample.pdf"click="oneFile()"/> <mx:Button label="All pdf Files" click="pdfFiles()"/> </mx:Application>
From
http://cookbooks.adobe.com/index.cfm?event=showdetails&postId=11366
http://blog.minidx.com/2008/10/23/1574.html