上传图片后无法用浏览器访问

问题描述：

调用上传图片接口后本地目录生成图片，但是浏览器访问URL提示404

相关截图：

相关代码：

package com.fanyu.mall.common;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

@Component
public class Constant {
    public static final String SALT = "qa12dsGJHJ.]@12dsj";
    public static final String FANYU_MALL_USER = "fanyu_mall_user";

    public static String FILE_UPLOAD_DIR;

    @Value("${file.upload.dir}")
    public void setFileUploadDir(String fileUploadDir) {
        FILE_UPLOAD_DIR = fileUploadDir;
    }
}

相关代码：

package com.fanyu.mall.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration
public class FanyuMallMvcConfig implements WebMvcConfigurer {
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
//        registry.addResourceHandler("/admin/**").addResourceLocations("classpath:/static/admin/");
        registry.addResourceHandler("/images/**")
                .addResourceLocations("file:D:/D1/code/java/somedata/");
        registry.addResourceHandler("swagger-ui.html").addResourceLocations(
                "classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations(
                "classpath:/META-INF/resources/webjars/");
    }

}

相关代码：

server.port=8080
spring.datasource.name=fanyu_mall_datasource
spring.datasource.url=jdbc:mysql://127.0.0.1:3306/fanyu_mall?serverTimezone=Asia/Shanghai
&useUnicode=true&characterEncoding=utf-8&useSSL=true
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.datasource.username=root
spring.datasource.password=123456


mybatis.mapper-locations=classpath:mappers/*.xml

spring.redis.host=localhost
spring.redis.port=6379
spring.redis.password=123456

file.upload.dir=D:/D1/code/java/somedata/

相关代码：

​package com.fanyu.mall.controller;

import com.fanyu.mall.common.ApiRestResponse;
import com.fanyu.mall.common.Constant;
import com.fanyu.mall.exception.FanyuMallException;
import com.fanyu.mall.exception.FanyuMallExceptionEnum;
import com.fanyu.mall.model.request.AddProductReq;
import com.fanyu.mall.service.ProductService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.validation.Valid;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.UUID;

@RestController
public class ProductAdminController {
    @Autowired
    ProductService productService;
    @PostMapping("admin/product/add")
    public ApiRestResponse addProduct(@Valid @RequestBody AddProductReq req){
        productService.addProduct(req);
        return ApiRestResponse.success();
    }
    @PostMapping("admin/upload/file")
    public ApiRestResponse upload(HttpServletRequest request,@RequestParam("file") MultipartFile file){
        String fileName = file.getOriginalFilename();
        String suffixName = fileName.substring(fileName.indexOf("."));
        //生成文件名称UUID
        UUID uuid = UUID.randomUUID();
        String newFileName = uuid.toString() + suffixName;

        //创建文件
        File fileDirectory = new File(Constant.FILE_UPLOAD_DIR);
        File destFile = new File(Constant.FILE_UPLOAD_DIR + newFileName);
        if(!fileDirectory.exists()){
            if(!fileDirectory.mkdir()){
                throw new FanyuMallException(FanyuMallExceptionEnum.MKDIR_FAILED);
            }
        }
        try {
            file.transferTo(destFile);
        } catch (IOException e) {
            e.printStackTrace();
        }

        try {
            return ApiRestResponse.success(getHost(new URI(request.getRequestURL() + "")) + "/images/" + newFileName);
        } catch (URISyntaxException e) {
            return ApiRestResponse.error(FanyuMallExceptionEnum.UPLOAD_FAILED);
        }
    }

    private URI getHost(URI uri){
        URI effectiveURI;
        try {
            effectiveURI = new URI(uri.getScheme(),uri.getUserInfo(),uri.getHost(),uri.getPort(),null,null,null);
        } catch (URISyntaxException e) {
            effectiveURI = null;
        }
        return effectiveURI;
    }
}