{"id":207729,"date":"2025-07-08T13:04:00","date_gmt":"2025-07-08T05:04:00","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207729\/"},"modified":"2025-07-08T13:04:00","modified_gmt":"2025-07-08T05:04:00","slug":"io-copy-%e4%b8%8e-gsutil-%e5%b0%86%e5%a4%a7%e6%96%87%e4%bb%b6%e5%a4%8d%e5%88%b6%e5%88%b0-gs","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207729\/","title":{"rendered":"io.Copy \u4e0e gsutil – \u5c06\u5927\u6587\u4ef6\u590d\u5236\u5230 GS"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> io.Copy \u4e0e gsutil – \u5c06\u5927\u6587\u4ef6\u590d\u5236\u5230 GS<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-25 08:45:35<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300aio.Copy \u4e0e gsutil – \u5c06\u5927\u6587\u4ef6\u590d\u5236\u5230 GS\u300b\uff0c\u8986\u76d6\u4e86Golang\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u7ecf\u8fc7\u5927\u91cf\u6d4b\u8bd5\uff0c\u6211\u4eec\u5728\u4f7f\u7528 gs go \u5ba2\u6237\u7aef\u5e93\u65f6\u4f3c\u4e4e\u65e0\u6cd5\u4e0e gsutil \u7684\u901f\u5ea6\u76f8\u5339\u914d\u3002 \u5373\u4f7f\u4f7f\u7528\u6700\u7b80\u5355\u7684 io.copy()<\/code> \u7684\u9aa8\u67b6\u6587\u4ef6\u4e5f\u4f1a\u6bd4\u6700\u7b80\u5355\u7684 gsutil \u82b1\u8d39\u5f88\u591a<\/strong>\u66f4\u957f\u7684\u65f6\u95f4\u3002<\/p>\n

ctx := context.Background()\nclient, err := storage.NewClient(ctx, option.WithCredentialsFile(*flags.credsFile))\nbucket := client.Bucket(\"my_bucket\")\nFile, _ := os.Open(\"path_to_file\")\nwc := bucket.Object(\"remoteFile\").NewWriter(ctx)\n_, _ = io.Copy(wc, File)\nerr = wc.Close()<\/pre>\n
\u5f53\u7f13\u51b2\u533a\u4e3a 128×1024 \u65f6\uff0c\u8fd8\u5c1d\u8bd5\u4f7f\u7528 io.copybuffer()<\/code>\uff0c\u6548\u679c\u66f4\u597d\uff0c\u4f46\u4ecd\u7136\u5f88\u6162\u3002<\/p>\n
\u4f7f\u7528go\u65f6\u6709\u4ec0\u4e48\u529e\u6cd5\u53ef\u4ee5\u52a0\u5feb\u4e0a\u4f20\u901f\u5ea6\u5417\uff1f\u6211\u4eec\u4e0d\u60f3\u8c03\u7528\u4efb\u4f55\u5916\u90e8\u5b9e\u7528\u7a0b\u5e8f…<\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u542c\u8d77\u6765 io.Copy \u5b9e\u73b0\u4e0d\u652f\u6301 GCS\uff0c\u800c\u662f\u6267\u884c\u5b9e\u9645\u7684\u5b57\u8282\u590d\u5236\uff08\u4ece\u6e90\u6587\u4ef6\u8bfb\u53d6\u5e76\u5199\u5165\u76ee\u6807\u6587\u4ef6\uff09\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cgsutil \u6b63\u5728\u8c03\u7528 GCS API\uff0c\u5bf9\u4e8e\u6e90\u548c\u76ee\u6807\u4f4d\u4e8e\u76f8\u540c\u4f4d\u7f6e\u548c\u5b58\u50a8\u7c7b\u522b\u7684\u60c5\u51b5\uff0c\u5c06\u6267\u884c\u4ec5\u5143\u6570\u636e\u590d\u5236\uff08\u907f\u514d\u5b57\u8282\u590d\u5236\uff09\u3002\u8fd9\u6837\u505a\u8981\u5feb\u5f97\u591a\uff0c\u8fd9\u4e0e\u60a8\u6240\u89c2\u5bdf\u5230\u7684\u6027\u80fd\u76f8\u5339\u914d\u3002<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528GCS\u611f\u77e5\u7684Go\u5b9e\u73b0\u2014\u2014\u5373\u8c03\u7528Rewrite\u800c\u4e0d\u662f\u8bfb\/\u5199\u5e95\u5c42\u5bf9\u8c61\u5b57\u8282\u7684\u5b9e\u73b0\u5417\uff1f<\/p>\n
\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aio.Copy \u4e0e gsutil – \u5c06\u5927\u6587\u4ef6\u590d\u5236\u5230 GS\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03Golang\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207729","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207729","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207729"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207729\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207729"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207729"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}