SpringBoot整合阿里云OSS

1.创建一个service_ossspringboot项目

2.导入相关依赖

...其他的依赖大家自行导入

<!-- 阿里云oss依赖 -->
<dependency>
	<groupId>com.aliyun.oss</groupId>
	<artifactId>aliyun-sdk-oss</artifactId>
	<version>3.10.2</version>
</dependency>

<!-- 日期工具栏依赖 -->
<dependency>
	<groupId>joda-time</groupId>
	<artifactId>joda-time</artifactId>
	<version>2.10.1</version>
</dependency>

3.写yml配置文件

server:
  port: 8205
spring:
  application:
    name: service-oss
  profiles:
    active: dev
  servlet:
    multipart:
      max-file-size: 1024MB
      max-request-size: 1024MB
aliyun:
  oss:
    bucketname: startqbb-oss
    endpoint: oss-cn-hangzhou.aliyuncs.com
    keyid: your accessKeyId
    keysecret: your accessKeySecret

4.主启动类

package com.qbb.yygh.oss;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;

/**
 * @author QiuQiu&LL (个人博客:https://www.cnblogs.com/qbbit)
 * @version 1.0
 * @date 2022-04-25  19:47
 * @Description:
 */
@SpringBootApplication(exclude = DataSourceAutoConfiguration.class)
public class ServiceOssApplication {
    public static void main(String[] args) {
        SpringApplication.run(ServiceOssApplication.class, args);
    }
}

5.创建一个properties配置类,绑定oss配置信息

package com.qbb.yygh.oss.properties;

import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

/**
 * @author QiuQiu&LL (个人博客:https://www.cnblogs.com/qbbit)
 * @version 1.0
 * @date 2022-04-25  20:02
 * @Description:
 */
@Data
@Component
@ConfigurationProperties(prefix = "aliyun.oss")
public class OssProperties {

    private String endpoint;
    private String keyid;
    private String keysecret;
    private String bucketname;
}

6.controller层,文件上传三要素

package com.qbb.yygh.oss.controller;

import com.qbb.yygh.oss.service.FileService;
import com.qbb.yygh.result.R;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
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.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

/**
 * @author QiuQiu&LL (个人博客:https://www.cnblogs.com/qbbit)
 * @version 1.0
 * @date 2022-04-25  19:49
 * @Description:
 */
@Api(tags = "阿里云OSS文件存储服务")
@RestController
@RequestMapping("/api/oss")
public class FileController {

    @Autowired
    private FileService fileService;

    @ApiOperation("阿里云OSS文件上传")
    @PostMapping("/upload")
    public R upload(@ApiParam("上传的文件") @RequestParam("file") MultipartFile file) {
        String url = fileService.upload(file);
        return R.ok().data("url", url);
    }
}

7.service上传核心代码,推荐参考官方文档

package com.qbb.yygh.oss.service.impl;

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.qbb.yygh.oss.properties.OssProperties;
import com.qbb.yygh.oss.service.FileService;
import lombok.extern.slf4j.Slf4j;
import org.joda.time.DateTime;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;
import java.util.UUID;

/**
 * @author QiuQiu&LL (个人博客:https://www.cnblogs.com/qbbit)
 * @version 1.0
 * @date 2022-04-25  19:55
 * @Description:
 */
@Service
@Slf4j
public class FileServiceImpl implements FileService {

    @Autowired
    private OssProperties ossProperties;

    @Override
    public String upload(MultipartFile file) {
        // Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
        String endpoint = ossProperties.getEndpoint();
        // 阿里云账号AccessKey拥有所有API的访问权限，风险很高。强烈建议您创建并使用RAM用户进行API访问或日常运维，请登录RAM控制台创建RAM用户。
        String accessKeyId = ossProperties.getKeyid();
        String accessKeySecret = ossProperties.getKeysecret();
        // 填写Bucket名称，例如examplebucket。
        String bucketName = ossProperties.getBucketname();
        // 填写Object完整路径，完整路径中不能包含Bucket名称，例如exampledir/exampleobject.txt。
        String randomStr = UUID.randomUUID().toString().replaceAll("-", "") + file.getOriginalFilename();
        String dateStr = new DateTime().toString("yyyy/MM/dd");
        String objectName = dateStr + "/" + randomStr;
        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
        try {
            InputStream inputStream = file.getInputStream();
            // 创建PutObject请求。
            ossClient.putObject(bucketName, objectName, inputStream);

            // 返回上传的文件url ===> https://startqbb-hello.oss-cn-hangzhou.aliyuncs.com/文件名
            StringBuilder sb = new StringBuilder();
            sb.append("https://")
                    .append(bucketName)
                    .append(".")
                    .append(endpoint)
                    .append("/")
                    .append(objectName);
            return sb.toString();
        } catch (Exception oe) {
            log.info("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            return null;
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }
}

8.测试一下

整合完毕