上传图片代码

	
		
	
	
		

			文件:
			
		
	

ServletContext sc = this.servlet.getServletContext();
		
		//将站点下的目录的相对路径，改为基于操作系统盘符的 绝对路径
		String filePath = sc.getRealPath("/uploadFile");
		
		String fileName = filePath +"/" + ff.getFileName();
		
		//保存到数据库中
		String saveFileName = "uploadFile/" + ff.getFileName();

-------------------------------------文件下载Excel

public ActionForward WriteMulExcle(ActionMapping mapping,
			ActionForm form,
			HttpServletRequest request,
			HttpServletResponse response){
		String yearName = request.getParameter("yearName");
		String monthName = request.getParameter("monthName");
		if(yearName==null||"".equals(yearName)||monthName==null||"".equals(monthName)){
			yearName=(String) request.getSession().getAttribute("yearName");
			monthName=(String) request.getSession().getAttribute("monthName");
		}
		Object obj = (Object) request.getSession().getAttribute("ExcelMulDc");

		response.setContentType("application/vnd.ms-excel");

		String downLoadFileName = "综合分析报表.xls";
		try {
			downLoadFileName = URLEncoder.encode(downLoadFileName, "utf-8");
		} catch (UnsupportedEncodingException e1) {
			e1.printStackTrace();
		}
		response.addHeader("Content-Disposition","attachment;filename="+downLoadFileName);

		OutputStream os=null;
		DetachedCriteria dc = null;
		try {
			 os = response.getOutputStream();
		} catch (IOException e) {
			e.printStackTrace();
		}
		
		if(obj==null){
			dc = DetachedCriteria.forClass(EleMonth.class);//
			addEleMonthYear(yearName, dc);
			addEleMonthMonth(monthName, dc);
			addOrder(dc);
		}else{
			dc = (DetachedCriteria) obj;
		}
		 
		List muls = HibernateUtil.excuteDetachedCriteria(dc);
		new JXLUtil_Mul().WriteExcel(muls,os,yearName,monthName);
		return null;
	}