Springboot项目实现将文件上传到阿里云

一、概述

二、具体步骤

2.1引入阿里云工具

首先先建utils包，然后引入AliOSSUtils类，如下：

package com.hechixueyuan.forestfiredetectionsystem.utils;import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;
import java.io.*;
import java.util.UUID;/*** 阿里云 OSS 工具类*/
//将这个类交给ioc容器管理
@Component
public class AliOSSUtils {private String endpoint = "自己的endpoint";private String accessKeyId = "自己的accessKeyId";private String accessKeySecret = "自己的accessKeySecret";private String bucketName = "自己的bucketName";/*** 实现上传图片到OSS*/public String upload(MultipartFile file) throws IOException {// 获取上传的文件的输入流InputStream inputStream = file.getInputStream();// 避免文件覆盖String originalFilename = file.getOriginalFilename();String fileName = UUID.randomUUID().toString() + originalFilename.substring(originalFilename.lastIndexOf("."));//上传文件到 OSSOSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);ossClient.putObject(bucketName, fileName, inputStream);//文件访问路径String url = endpoint.split("//")[0] + "//" + bucketName + "." + endpoint.split("//")[1] + "/" + fileName;// 关闭ossClientossClient.shutdown();return url;// 把上传到oss的路径返回}}

2.2写好Controller层代码

package com.hechixueyuan.forestfiredetectionsystem.controller;
import com.hechixueyuan.forestfiredetectionsystem.pojo.Result;
import com.hechixueyuan.forestfiredetectionsystem.utils.AliOSSUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;import java.io.File;
import java.io.IOException;
import java.util.UUID;//这个注解是用来生成日志的
@RestController
public class UoloadController {
//    注入阿里云工具类@Autowiredprivate AliOSSUtils aliOSSUtils;//这里我是手动引入注释private static final Logger log = LoggerFactory.getLogger(UoloadController.class);
//    上传到阿里云（数据传输一般使用post请求）
@PostMapping("upload")public Result upload(MultipartFile image) throws IOException {
//        写入日志log.info("上传文件，文件名为：{}",image.getOriginalFilename());
//       取得文件上传后的urlString url = aliOSSUtils.upload(image);
//    记录到日志里面log.info("文件上传成功，文件的url为：{}",url);return Result.success(url);}
}