aliYun上传图片

调用该类的upload方法，传入的参数MultipartFile类型参数，返回该图片的访问路径

package Arvin.Utils;

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

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

@Component
public class AliOSSUtils {

    public String upload(MultipartFile flie)throws IOException{

        //获取ali云参数
        String endpoint = endpoint;
        String accessKeyId = accessKeyId;
        String accessKeySecret = accessKeySecret;
        String bucketName = bucketName;

        //获取上传文件的输入流
        InputStream inputStream = flie.getInputStream();

        //避免文件覆盖
        String originalFilename = flie.getOriginalFilename();
        String filename = UUID.randomUUID().toString() + originalFilename.substring(originalFilename.lastIndexOf("."));

        //上传文件到 oss
        OSS 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ossclient
        ossClient.shutdown();
        return url;
    }
}