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

import org.springframework.context.annotation.Configuration;

import lombok.Data;

@Data

@Configuration

public class OssConfig {

    @Value("${aliyun.oss.endpoint}")

    private String endpoint;

    @Value("${aliyun.oss.accessKeyId}")

    private String accessKeyId;

    @Value("${aliyun.oss.accessSecret}")

    private String accessSecret;

    @Value("${aliyun.oss.bucketName}")

    private String bucketName;

}

<dependency>

       <groupId>com.aliyun.oss</groupId>

       <artifactId>aliyun-sdk-oss</artifactId>

       <version>3.10.2</version>

</dependency>

#服务端
server.port=8002
#服务器
spring.application.name=service-oss

aliyun.oss.endpoint=oss-cn-hangzhou.aliyuncs.com　　//管控台的endpoint地址

aliyun.oss.accessKeyId=xxxxxxxx　　　　　　　　　　　　//从阿里云服务器配置

aliyun.oss.accessSecret=xxxxxxxxxx　　　　　　　　  　//从阿里云服务器配置

aliyun.oss.bucketName=dev-fileupload　　　　　　　　  //服务器配置的文件夹名称

# 上传文件大小
spring.servlet.multipart.max-file-size=100MB
spring.servlet.multipart.max-request-size=100MB

import com.congge.service.OssService;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.web.bind.annotation.PostMapping;

import org.springframework.web.bind.annotation.RestController;

import org.springframework.web.multipart.MultipartFile;

@RestController

public class OssController {

    @Autowired

    private OssService ossService;

    @PostMapping

    public String uploadOssFile(MultipartFile file) throws Exception{

        String url = ossService.uploadFileAvatar(file);

        return url;

    }

}

import com.aliyun.oss.OSS;

import com.aliyun.oss.OSSClient;

import com.congge.configs.ConstantPropertiesUtils;

import com.congge.service.OssService;

import org.springframework.stereotype.Service;

import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;

import java.util.UUID;

@Service

public class OssServiceImpl implements OssService {

    @Override

    public String uploadFileAvatar(MultipartFile file)  throws Exception{//创建实例

        OSS ossClient = new OSSClient(endpoint, accessKeyId, accessKeySecret);

        //获取上传文件输入流

        InputStream inputStream = file.getInputStream();

        //获取文件名称

        String fileName = file.getOriginalFilename();

        //保证文件名唯一，去掉uuid中的'-'

        String uuid = UUID.randomUUID().toString().replaceAll("-", "");

        fileName = uuid + fileName;

        //把文件按日期分类，构建日期路径

        String datePath = new Date().toString("yyyy/MM/dd");

//拼接

        fileName = datePath + "/" + fileName;

        //上传到阿里云

        ossClient.putObject(bucketName, fileName, inputStream);

        //把上传后把文件url返回

        url = "https://" + bucketName + "." + endpoint + "/" + fileName;

        //关闭OSSClient

        ossClient.shutdown();

        return url;

    }

}

@SpringBootApplication

public class Test {

    public static void main(String[] args) {

        SpringApplication.run(Test.class,args);

    }

}