How to Upload CSV file in flex?

i want to uplod csv file in to java from flex screen ? How ca开发者_StackOverflow中文版n i do that ? is it possible,if it is please tell me any one ?

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Use the FileReference class:

http://livedocs.adobe.com/flex/3/langref/flash/net/FileReference.html

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var loader:URLLoader = new URLLoader();
var req:URLRequest = new URLRequest(serverUrl);
req.data = csvString;
req.method = URLRequestMethod.POST;
loader.load(req);