关于Tomcat和Nginx图片上传以及访问的路径问题

    public static final String FEEDBACK_IMAGE_PATH = "http://120.55.56.100/nnuimage/";

    public static final String FEEDBACK_IMAGE_URL = "/var/www/html/nnuimage/";

package com.bztech.core.common.utils;

import cn.hutool.core.date.DateUtil;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.io.IOException;
import java.util.Date;
import java.util.UUID;

/**
 * @author chenjian
 *
 * 上传工具
 */

public class UploadUtils {

    /**
     *
     * @param multipartFile 文件
     * @param uploadPathPrefix 文件上传路径
     * @param prefix 文件前缀名
     * @return 文件名
     * @throws IOException
     */
    public static String upload(MultipartFile multipartFile,String uploadPathPrefix,String prefix) throws IOException {
        //文件的后缀名
        String suffix = multipartFile.getOriginalFilename().substring(multipartFile.getOriginalFilename().lastIndexOf("."));

        //存储于数据库中的文件名构造
        String fileName = new StringBuffer()
                //文件名前缀
                .append(prefix)
                .append(UUID.randomUUID())
                .append(DateUtil.format(new Date(), "yyyyMMddHHmmss"))
                .append(suffix)
                .toString();

        //文件上传
        File file = new File(uploadPathPrefix + fileName);

        multipartFile.transferTo(file);

        return fileName;
    }

}