filereference的upload方法传参数到后台[转]

var fileRef:FileReference =new FileReference()
var request:URLRequest = new URLRequest(" http://www.[yourdomain].com/fileUploadScript.php")
var variables:URLVariables = new URLVariables();

variables.参数名= "参数值" ;
request.data=variables;
request.method=URLRequestMethod.POST;
fileRef.fileList[i].upload(request);