问题
I want to generate a report which includes an excel sheet which is generated from the data from the database . I am using Apache POI HSSF for creating the excel sheet file in the model.
Now how to let the user download the file i have created ?
回答1:
Just use a servlet. Feed response.getOutputStream() to POI HSSF to write the workbook to. Most important bit is the Content-Disposition response header. If you set it to attachment, then the browser will pop a Save As dialogue.
response.setContentType("application/vnd.ms-excel");
response.setHeader("Content-Disposition", "attachment; filename=name.xls");
WritableWorkbook workBook = Workbook.createWorkbook(response.getOutputStream());
// ...
Then let the download URL point to that servlet, if necessary with some request parameters or path info.
来源：https://stackoverflow.com/questions/5177725/how-to-let-user-download-the-data-in-database-to-an-excel-sheet-file-from-web-ap