1      背景介绍

目前OBS只支持删除空桶，如果桶中有数据，需要先删除桶中所有数据（包含多版本），之后才能删除桶。下面的代码模拟桶删的功能，展示如何一步到位删除非空桶。

2      效果展示

这里桶obs-chongchong-guangzhou桶中有约2000个对象数据，多个文件夹

使用代码进行桶删后，在桶列表中已经找不到此桶

3      java代码参考

前提：

需要先下载OBS最新的JAVA SDK，参考官网链接：https://developer.huaweicloud.com/sdk?OBS，并在自己的项目中导入SDK中的JAR包。

import java.io.IOException;

import com.obs.services.ObsClient;

import com.obs.services.ObsConfiguration;

import com.obs.services.exception.ObsException;

import com.obs.services.model.DeleteObjectsRequest;

import com.obs.services.model.DeleteObjectsResult;

import com.obs.services.model.ListVersionsRequest;

import com.obs.services.model.ListVersionsResult;

import com.obs.services.model.VersionOrDeleteMarker;

public class BucketDelete {

            private static ObsClient obsClient;

             public static void main(String[] args) throws InterruptedException

             {

                         try

                    {

                                                String endPoint = "XXX";        // e.g "https://obs.cn-north-1.myhuaweicloud.com"

                                                String ak = "XXX";                              // 对象所属的帐户ak

                                                String sk = "XXX";                              // 对象所属的帐户sk

                                                String bucketName = "obs-chongchong-beijing";               // 需要填写为实际的桶名

                                                obsClient = new ObsClient(ak, sk, endPoint);

                                                //列举桶中对象并删除

                                                ListVersionsResult result = obsClient.listVersions(bucketName);

                                                if(result.getVersions().length != 0)

                                                {

                                                             ListVersionsRequest request = new ListVersionsRequest(bucketName);

                                                                        // 设置每次批量删除500个对象

                                                                        request.setMaxKeys(500);

                                                                        ListVersionsResult result1;

                                                                        do { 

                                                                               result1 = obsClient.listVersions(request);

                                                                               DeleteObjectsRequest deleteRequest = new DeleteObjectsRequest(bucketName);

                                                                               for(VersionOrDeleteMarker v  : result1.getVersions()) {

                                                                                      deleteRequest.addKeyAndVersion(v.getKey(), v.getVersionId());

                                                                               }

                                                                               DeleteObjectsResult deleteResult = obsClient.deleteObjects(deleteRequest);

                                                                               // 获取删除成功的对象

                                                                               System.out.println(deleteResult.getDeletedObjectResults());                                                                        

                                                                               request.setKeyMarker(result1.getNextKeyMarker());

                                                                               request.setVersionIdMarker(result1.getNextVersionIdMarker());

                                                                        }while(result.isTruncated());

                                                             }

                                                //删除桶

                                                obsClient.deleteBucket(bucketName);

                                                System.out.println("\n------------------\nbucket already delete.");

                    }

                    catch (ObsException e)

                    {

                        e.printStackTrace();

                        System.out.println("Response Code: " + e.getResponseCode());

                        System.out.println("Error Message: " + e.getErrorMessage());

                        System.out.println("Error Code:       " + e.getErrorCode());

                        System.out.println("Request ID:      " + e.getErrorRequestId());

                        System.out.println("Host ID:           " + e.getErrorHostId());

                    }

                    finally

                    {

                        if (obsClient != null)

                        {

                            try

                            {

                                obsClient.close();

                            }

                            catch (IOException e)

                            {

                            }

                        }

                    }

             }

}

4      附录链接

OBS JAVA SDK使用，官网参考链接：https://support.huaweicloud.com/sdkreference-obs/obs_02_0001.html