列举Bucket ​

public void listBuckets (FosClient client) {
    // 获取用户的Bucket列表
    List<BucketSummary> buckets = client.listBuckets().getBuckets();

    // 遍历Bucket
    for (BucketSummary bucket : buckets) {
        System.out.println(bucket.getName());
    }
}