Two methods for Flex to output files to local

I currently use two methods to output files to the local in flex, namely File and FieldRefreence

Example:

var exportString:String = "This is a test"

1. File output

var ff:File = File.desktopDirectory.resolvePath("Progress.CSV");
ff.addEventListener(Event.SELECT,exportCSVSelectedHandler);
ff.browseForSave("选择路径");

private function exportCSVSelectedHandler(event:Event):void
{
var dir:String = event.target.nativePath;
var writeStream:FileStream = new FileStream();
writeStream.open(new File(dir),FileMode.WRITE);
var content:String = "jhfdklahflaksjdhflkasjhflaskjhlf\n";
writeStream.writeMultiByte(content,'utf-8');
writeStream.close();
}

2. FileReference output

var content:String = "jhfdklahflaksjdhflkasjhflaskjhlf\n";

var f:FileReference = new FileReference();
f.save(content,"1.csv");

The difference between File and FileReference is that File can specify the encoding format of the document, while FileReference is relatively simple to use

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