存储桶策略

// 存储桶名称，由bucketname-appid 组成，appid必须填入，可以在COS控制台查看存储桶名称。 https://console.cloud.tencent.com/cos5/bucket
String bucket = "examplebucket-1250000000";
// 权限策略，详情请参见 访问管理策略语法 https://cloud.tencent.com/document/product/436/12469#.E7.AD.96.E7.95.A5.E8.AF.AD.E6.B3.95
String policy = "{\\n" +
        "  \\"Statement\\": [\\n" +
        "    {\\n" +
        "      \\"Principal\\": {\\n" +
        "        \\"qcs\\": [\\n" +
        "          \\"qcs::cam::uin/100000000001:uin/100000000011\\"\\n" +
        "        ]\\n" +
        "      },\\n" +
        "      \\"Effect\\": \\"allow\\",\\n" +
        "      \\"Action\\": [\\n" +
        "        \\"name/cos:GetBucket\\"\\n" +
        "      ],\\n" +
        "      \\"Resource\\": [\\n" +
        "        \\"qcs::cos:ap-guangzhou:uid/1250000000:examplebucket-1250000000/*\\"\\n" +
        "      ]\\n" +
        "    }\\n" +
        "  ],\\n" +
        "  \\"version\\": \\"2.0\\"\\n" +
        "}";
PutBucketPolicyRequest putBucketPolicyRequest =
        new PutBucketPolicyRequest(bucket, policy);
cosXmlService.putBucketPolicyAsync(putBucketPolicyRequest,
        new CosXmlResultListener() {
            @Override
            public void onSuccess(CosXmlRequest request, CosXmlResult result) {
                // 详细字段请查看api文档或者SDK源码
                PutBucketPolicyResult putBucketPolicyResult =
                        (PutBucketPolicyResult) result;
            }
            // 如果您使用 kotlin 语言来调用，请注意回调方法中的异常是可空的，否则不会回调 onFail 方法，即：
            // clientException 的类型为 CosXmlClientException?，serviceException 的类型为 CosXmlServiceException?
            @Override
            public void onFail(CosXmlRequest cosXmlRequest,
                               @Nullable CosXmlClientException clientException,
                               @Nullable CosXmlServiceException serviceException) {
                if (clientException != null) {
                    clientException.printStackTrace();
                } else {
                    serviceException.printStackTrace();
                }
            }
        });

// 存储桶名称，由bucketname-appid 组成，appid必须填入，可以在COS控制台查看存储桶名称。 https://console.cloud.tencent.com/cos5/bucket
String bucket = "examplebucket-1250000000";
final GetBucketPolicyRequest getBucketPolicyRequest =
        new GetBucketPolicyRequest(bucket);
cosXmlService.getBucketPolicyAsync(getBucketPolicyRequest,
        new CosXmlResultListener() {
            @Override
            public void onSuccess(CosXmlRequest request, CosXmlResult result) {
                // 详细字段请查看api文档或者SDK源码
                GetBucketPolicyResult getBucketPolicyResult =
                        (GetBucketPolicyResult) result;
                String policy = getBucketPolicyResult.policy;
            }
            // 如果您使用 kotlin 语言来调用，请注意回调方法中的异常是可空的，否则不会回调 onFail 方法，即：
            // clientException 的类型为 CosXmlClientException?，serviceException 的类型为 CosXmlServiceException?
            @Override
            public void onFail(CosXmlRequest cosXmlRequest,
                               @Nullable CosXmlClientException clientException,
                               @Nullable CosXmlServiceException serviceException) {
                if (clientException != null) {
                    clientException.printStackTrace();
                } else {
                    serviceException.printStackTrace();
                }
            }
        });

// 存储桶名称，由bucketname-appid 组成，appid必须填入，可以在COS控制台查看存储桶名称。 https://console.cloud.tencent.com/cos5/bucket
String bucket = "examplebucket-1250000000";
DeleteBucketPolicyRequest deleteBucketPolicyRequest =
        new DeleteBucketPolicyRequest(bucket);
cosXmlService.deleteBucketPolicyAsync(deleteBucketPolicyRequest,
        new CosXmlResultListener() {
            @Override
            public void onSuccess(CosXmlRequest request, CosXmlResult result) {
                // 详细字段请查看api文档或者SDK源码
                DeleteBucketPolicyResult deleteBucketPolicyResult =
                        (DeleteBucketPolicyResult) result;
            }
            // 如果您使用 kotlin 语言来调用，请注意回调方法中的异常是可空的，否则不会回调 onFail 方法，即：
            // clientException 的类型为 CosXmlClientException?，serviceException 的类型为 CosXmlServiceException?
            @Override
            public void onFail(CosXmlRequest cosXmlRequest,
                               @Nullable CosXmlClientException clientException,
                               @Nullable CosXmlServiceException serviceException) {
                if (clientException != null) {
                    clientException.printStackTrace();
                } else {
                    serviceException.printStackTrace();
                }
            }
        });