smartUpload组件文件上传

public class SmartUploadServlet extends HttpServlet {

    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        doPost(request, response);
    }

    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        String filePath = getServletContext().getRealPath("/")+"images";
        File file = new File(filePath);
        if(!file.exists()){
            file.mkdir();
        }

        SmartUpload su = new SmartUpload();
        //初始化；
        su.initialize(getServletConfig(), request, response);
        //设置上传文件大小
        su.setMaxFileSize(1024*1024*10);
        //设置所有的上传文件的大小
        su.setTotalMaxFileSize(1024*1024*100);
        //设置允许上传文件类型
        su.setAllowedFilesList("txt,jpg,gif");
        String result = "上传成功";
        try {
            su.upload();
            su.save(filePath);
        } catch (Exception e) {
            result = "上传失败";
            if(e.getMessage().indexOf("1015")!=-1){
                result="上传失败：上传文件类项不正确";
            }else if(e.getMessage().indexOf("1010")!=-1){
                result="上传失败：上传文件类项不正确";
            }
            else if(e.getMessage().indexOf("1105")!=-1){
                result="上传失败：上传文件大小大于允许上传的最大值";
            }
            else if(e.getMessage().indexOf("1110")!=-1){
                result="上传失败：上传的总的文件大小大于允许上传的最大值";
            }
        }
        request.setAttribute("result", result);
        request.getRequestDispatcher("jsp/02.jsp").forward(request, response);
    }

}