主要程式碼為

String fileName = request.getParameter("fileName");//獲取傳過來的檔名，該檔名是你匯出excel的檔名
if(null==fileName){
			String url = request.getRequestURL().toString();
			fileName = url.substring(url.lastIndexOf("/")+1, url.lastIndexOf(".")>-1?url.lastIndexOf("."):url.length());
			fileName += UUID.randomUUID();
		}
             try {
                        response.reset();
			response.setContentType("application/vnd.ms-excel");
			response.setCharacterEncoding("UTF-8");
			response.setHeader("Content-Type","application/force-download");
			response.setHeader("Content-Type","application/vnd.ms-excel");
                    final String userAgent = request.getHeader("USER-AGENT");//獲取你瀏覽器的代理
        //下面主要是讓檔名適應不同瀏覽器的編碼格式
        try {
            String finalFileName = null;
            if(StringUtils.contains(userAgent, "MSIE")){//IE瀏覽器
                finalFileName = URLEncoder.encode(fileName,"UTF8");
            }else if(StringUtils.contains(userAgent, "Mozilla")){//google,火狐瀏覽器
                finalFileName = new String(fileName.getBytes(), "ISO8859-1");
            }else{
                finalFileName = URLEncoder.encode(fileName,"UTF8");//其他瀏覽器
            }
            response.setHeader("Content-Disposition", "attachment; filename=\"" + 
            finalFileName + "\"");//這裡設定一下讓瀏覽器彈出下載提示框，而不是直接在瀏覽器中開啟
        } catch (UnsupportedEncodingException e) {
        
        }
          OutputStream os = response.getOutputStream();
			wb.write(os);
			os.flush();
			os.close();

          } catch (IOException e) {
			e.printStackTrace();
	     }