在获取到前段上传的图片，处理完写入本地路径文件夹upload中时，src/webapp/upload路径下是没有任何图片的=

在获取到前段上传的图片，处理完写入本地路径文件夹upload中时，src/webapp/upload路径下是没有任何图片的，只有在out目录下的upload有照片，这个是哪里是出问题了吗？？？

相关截图：

相关截图：

相关代码：

package com.roan.bms.controller;

import com.alibaba.fastjson.JSON;
import com.roan.bms.entity.Book;
import com.roan.bms.entity.BookC;
import com.roan.bms.service.BookService;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;

/**
 * 图书新增
 */
public class AddBookServlet extends HttpServlet {
    private BookService bookService = new BookService();

    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("UTF-8");
        response.setContentType("text/html;charset=utf-8");
        this.doGet(request, response);
    }

    /**
     * 图书新增方法
     * @param request
     * @param response
     * @throws ServletException
     * @throws IOException
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        /*1.初始化FileUpload组件*/
        FileItemFactory fileItemFactory = new DiskFileItemFactory();
        /*FileItemFactory用于将前端表单的数据转换为一个个FileItem对象*/
        /*ServletFileUpload则是为了FileUpload组件提供Java Web的Http请求解析*/
        ServletFileUpload servletFileUpload = new ServletFileUpload(fileItemFactory);
        Book book = new Book();
        try {
            List<FileItem> formData = servletFileUpload.parseRequest(request);
            for (FileItem f : formData) {
                /*表单项非文件项*/
                if (f.isFormField()) {
                    System.out.println("普通输入项：" + f.getFieldName() + "-" + f.getString("UTF-8"));
                    switch (f.getFieldName()) {
                        case "name":
                            book.setBname(f.getString("UTF-8"));
                            break;
                        case "categoryId":
                            book.setCategoryId(Integer.parseInt(f.getString("UTF-8")));
                            break;
                        case "starLevel":
                            book.setStarLevel(Integer.parseInt(f.getString("UTF-8")));
                            break;
                        case "price":
                            book.setPrice(Float.parseFloat(f.getString("UTF-8")));
                            break;
                        default:
                            break;
                    }
                } else {
                    /*将文件保存到服务器目录*/
                    String path = request.getServletContext().getRealPath("upload");
                    System.out.println("上传文件目录：" + path);
                    String fileName = UUID.randomUUID().toString();
                    /*f.getName()得到原始文件名，截取最后一个点后所有字符串*/
                    String suffix = f.getName().substring(f.getName().lastIndexOf("."));
                    System.out.println("截取后的名字：" + suffix);
                    /*f.write();写入目标文件*/
                    f.write(new File(path, fileName + suffix));
                    System.out.println(path + fileName + suffix);
                    book.setUrl("/upload/" + fileName + suffix);
                }
            }
            bookService.insert(book);//新增
        } catch (Exception e) {
            e.printStackTrace();
        }
        /*查询全部的图书-动态查询*/
        String name = null;
        List<BookC> bookCList = bookService.getBookDynamic(name);
        request.setAttribute("bookC_list", bookCList);
        request.getRequestDispatcher("/book.ftl").forward(request, response);
    }
}