文件下载

$("#download").click(function () {
     var beginTime = $("#beginTime").val();
     var endTime = $("#endTime").val();
     window.open(‘../loadjsonM/StationProduct_JhJson.ashx?uptype=3&beginTime=‘ + beginTime + ‘&endTime=‘ + endTime);
});

// 写入到客户端 
System.IO.MemoryStream ms = new System.IO.MemoryStream();
book.Write(ms);
context.Response.AddHeader("Content-Disposition", string.Format("attachment; filename={0}.xls", "工位产量"));
context.Response.BinaryWrite(ms.ToArray());
ms.Close();
ms.Dispose();