取得值區的生命週期政策
透過集合功能整理內容
你可以依據偏好儲存及分類內容。
查看 Cloud Storage bucket 的生命週期設定。
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如需包含這個程式碼範例的詳細說明文件,請參閱下列內容:
程式碼範例
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[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],[],[],[],null,["# Get a lifecycle policy for a bucket\n\nView the lifecycle configuration of a Cloud Storage bucket.\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Manage object lifecycles](/storage/docs/managing-lifecycles)\n\nCode sample\n-----------\n\n### C++\n\n\nFor more information, see the\n[Cloud Storage C++ API\nreference documentation](/cpp/docs/reference/storage/latest).\n\n\nTo authenticate to Cloud Storage, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for client libraries](/storage/docs/authentication#client-libs).\n\n namespace gcs = ::google::cloud::storage;\n using ::google::cloud::StatusOr;\n [](gcs::Client client, std::string const& bucket_name) {\n StatusOr\u003cgcs::BucketMetadata\u003e updated_metadata =\n client.GetBucketMetadata(bucket_name);\n if (!updated_metadata) throw std::move(updated_metadata).status();\n\n if (!updated_metadata-\u003ehas_lifecycle() ||\n updated_metadata-\u003elifecycle().rule.empty()) {\n std::cout \u003c\u003c \"Bucket lifecycle management is not enabled for bucket \"\n \u003c\u003c updated_metadata-\u003ename() \u003c\u003c \".\\n\";\n return;\n }\n std::cout \u003c\u003c \"Bucket lifecycle management is enabled for bucket \"\n \u003c\u003c updated_metadata-\u003ename() \u003c\u003c \".\\n\";\n std::cout \u003c\u003c \"The bucket lifecycle rules are\";\n for (auto const& kv : updated_metadata-\u003elifecycle().rule) {\n std::cout \u003c\u003c \"\\n \" \u003c\u003c kv.condition() \u003c\u003c \", \" \u003c\u003c kv.action();\n }\n std::cout \u003c\u003c \"\\n\";\n }\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=storage)."]]