Java 上传--upload

application.properties

# 保存路径
file.save.url=D:\pdf\

# 上传大小设置
spring.servlet.multipart.max-file-size=500MB
spring.servlet.multipart.max-request-size=500MB

package com.shengun.controller;

import com.shengun.pojo.JsonReturn;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.RequestMapping;
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 java.io.*;

@RestController
@RequestMapping("/img")
public class UpLoadImg {

    @Value("${file.save.url}")
    private String saveUrl;

    @RequestMapping("/upload")
    public JsonReturn upload(@RequestParam("file") MultipartFile file, HttpServletRequest request) throws IOException {
        System.out.println("进入上传接口");
        System.out.println("保存路径" + saveUrl);
        System.out.println(file.getOriginalFilename());
        File newFile = new File(saveUrl + file.getOriginalFilename());
        file.transferTo(newFile);
        return JsonReturn.buildSuccess("成功");
    }
}

使用的是layui

    
    
    



    
上传多张图片



    多图片上传
    

        预览图：
        

    

用的是htool工具类

 
            cn.hutool
            hutool-all
            5.7.22
        

        HashMap paramMap = new HashMap<>();
        paramMap.put("file", FileUtil.file("E:\视屏\图片\shengun.work.certificate.jpg"));
        String result= HttpUtil.post("http://127.0.0.1:8888/img/upload", paramMap);
        System.out.println(result);