请教dwz框架中如何处理下载的文件？

Question

实现了个功能，生成excel并下载，但在dwz框架中直接显示了文件代码，并不提示保存，请问如何在框架中实现这个功能？

Answer 1

[code="java"]
javascirpt

function downloadExcelFile() {
dwr.engine.setTimeout(59000);
var params = ;
.getExcel(params, {callback:function(dataFromServer) {
downloadExcelCallback(dataFromServer);
}});
}

function downloadExcelCallback(data) {
dwr.engine.openInDownload(data);
}

java
public FileTransfer getExcel(Parametros param){
byte[] result = ;
InputStream myInputStream = new ByteArrayInputStream(result);
String excelFormat = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
FileTransfer dwrExcelFile = new FileTransfer("excel.xlsx", excelFormat, myInputStream);
return dwrExcelFile;
}
[/code]