初始化SmartUpload对象报错，求帮助

xjljl 2022-06-26 23:57:09

只是部分代码，

package com.itbaizhan.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import java.util.Map;

import jakarta.servlet.ServletConfig;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

import com.itbaizhan.bean.Dingdan;
import com.itbaizhan.bean.Fenlei;
import com.itbaizhan.bean.Gonggao;
import com.itbaizhan.bean.Product;
import com.itbaizhan.bean.User;
import com.itbaizhan.dao.DingdanDao;
import com.itbaizhan.dao.FenleiDao;
import com.itbaizhan.dao.GonggaoDao;
import com.itbaizhan.dao.ProductDao;
import com.itbaizhan.dao.UserDao;
import com.itbaizhan.util.Util;
import com.jspsmart.upload.SmartUpload;
import com.jspsmart.upload.SmartUploadException;

import jakarta.servlet.RequestDispatcher;
import jakarta.servlet.http.HttpSession

//上传商品图片操作
               else if("productupdate6".equals(method)){

                   SmartUpload su = new SmartUpload();
                   su.initialize(this.getServletConfig(), request, response); //这行初始化就有错。
                   //限制上传文件的最大长度。
                   su.setMaxFileSize(1500000*8);
                   //设定允许上传的文件（通过扩展名限制）
                   su.setAllowedFilesList("jpg,gif,bmp,JPG,GIF,BMP");
                   String imgpath="";
                   try {
                       // 上传文件
                       su.upload();
                       // 将上传文件全部保存到指定目录
                       com.jspsmart.upload.File file = su.getFiles().getFile(0);
                       if (!file.isMissing())
                       {

                           //将附件以当前时间+附件扩展名作为文件名保存
                           java.text.SimpleDateFormat dateFormatter = new java.text.SimpleDateFormat("yyyyMMddHHmmss");
                           String sNowTime = dateFormatter.format(new java.util.Date());
                           imgpath = sNowTime+"."+ file.getFileExt();
                           file.saveAs("/uploadfile/"+imgpath);
                       }
                   } catch (SmartUploadException e) {
                       e.printStackTrace();
                   }

                   //通过ID获取对象
                   String id = request.getParameter("id");
                   Product bean = productDao.selectBean(" where id= "+id);
                   //更新对象属性
                   bean.setImgpath(imgpath);

                   //更新操作
                   productDao.updateBean(bean);


                   writer.print("<script language='javascript'>alert('操作成功');window.location.href='"+basePath+"manageServlet/productlist'; </script>");
               }

报错信息