<dependency>
    <groupId>com.aliyun.oss</groupId>
    <artifactId>aliyun-sdk-oss</artifactId>
    <version>3.10.2</version>
</dependency>

/**
 * OSS入门案例 */
public class OSSDemo {
    //endpoint是访问OSS的域名    private static String endpoint = "http://oss-cn-beijing.aliyuncs.com";
    // accessKeyId和accessKeySecret是OSS的访问密钥，您可以在控制台上创建和查看，    // 注意：accessKeyId和accessKeySecret前后都没有空格，从控制台复制时请检查并去除多余的空格。    private static String accessKeyId = "这里写你的ak";
    private static String accessKeySecret = "这里写你的aks";
    // Bucket用来管理所存储Object的存储空间,中文名叫桶,就是装东西的    // Bucket命名规范如下：只能包括小写字母，数字和短横线（-），必须以小写字母或者数字开头，长度必须在3-63字节之间。    private static String bucketName = "liu-bucket-2020";

    private static OSS ossClient;

    static {
        //初始化        ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
    }

    //测试Bucket是否存在    @Test
    public void test() throws Exception{
        try {
            // 判断Bucket是否存在            if (ossClient.doesBucketExist(bucketName)) {
                System.out.println("您已经创建Bucket：" + bucketName + "。");
            } else {
                System.out.println("您的Bucket不存在，创建Bucket：" + bucketName + "。");
                // 创建Bucket
                ossClient.createBucket(bucketName);
            }
            // 查看Bucket信息。            BucketInfo info = ossClient.getBucketInfo(bucketName);
            System.out.println("Bucket " + bucketName + "的信息如下：");
            System.out.println("\t数据中心：" + info.getBucket().getLocation());
            System.out.println("\t创建时间：" + info.getBucket().getCreationDate());
            System.out.println("\t用户标志：" + info.getBucket().getOwner());
        } catch (OSSException oe) {
            oe.printStackTrace();
        } catch (ClientException ce) {
            ce.printStackTrace();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            ossClient.shutdown();
        }
    }

    //测试上传文件    @Test
    public void testAdd() throws Exception {
        try {
            //存入文件，3个参数存储空间名,key,文件对象            ossClient.putObject(bucketName, "test.jpg",new File("D:\\cutImage\\coder\\t2.jpg"));
            System.out.println("Object：" + "test.jpg" + "存入OSS成功。");
        } catch (OSSException oe) {
            oe.printStackTrace();
        } catch (ClientException ce) {
            ce.printStackTrace();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            ossClient.shutdown();
        }

    }
    //测试删除文件    @Test
    public void testDelete() throws Exception {

        try {
            //删除文件 2个参数存储空间名 key
            ossClient.deleteObject(bucketName, "test.jpg");
            System.out.println("删除Object：" + "test.jpg" + "成功。");
        } catch (OSSException oe) {
            oe.printStackTrace();
        } catch (ClientException ce) {
            ce.printStackTrace();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            ossClient.shutdown();
        }
    }
}