{"id":207764,"date":"2025-07-08T12:41:59","date_gmt":"2025-07-08T04:41:59","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207764\/"},"modified":"2025-07-08T12:41:59","modified_gmt":"2025-07-08T04:41:59","slug":"%e5%a6%82%e4%bd%95%e4%bb%8eaws-s3%e4%b8%8b%e8%bd%bd%e5%af%b9%e8%b1%a1%e5%88%b0%e5%86%85%e5%ad%98%e4%b8%ad%e5%b9%b6%e9%80%9a%e8%bf%87go%e4%b8%ad%e7%9a%84%e8%af%b7%e6%b1%82%e5%8f%91%e9%80%81%e5%ae%83","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207764\/","title":{"rendered":"\u5982\u4f55\u4eceAWS S3\u4e0b\u8f7d\u5bf9\u8c61\u5230\u5185\u5b58\u4e2d\u5e76\u901a\u8fc7Go\u4e2d\u7684\u8bf7\u6c42\u53d1\u9001\u5b83\uff1f"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5982\u4f55\u4eceAWS S3\u4e0b\u8f7d\u5bf9\u8c61\u5230\u5185\u5b58\u4e2d\u5e76\u901a\u8fc7Go\u4e2d\u7684\u8bf7\u6c42\u53d1\u9001\u5b83\uff1f<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-25 14:27:33<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929\u5c31\u6574\u7406\u5206\u4eab\u300a\u5982\u4f55\u4eceAWS S3\u4e0b\u8f7d\u5bf9\u8c61\u5230\u5185\u5b58\u4e2d\u5e76\u901a\u8fc7Go\u4e2d\u7684\u8bf7\u6c42\u53d1\u9001\u5b83\uff1f\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u5982\u679c\u4f60\u5bf9Golang\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002<\/p>\n

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

\u6709\u4eba\u53ef\u4ee5\u5e2e\u6211\u89e3\u51b3\u5c1d\u8bd5\u4ece s3 \u4e0b\u8f7d\u6587\u4ef6\u65f6\u9047\u5230\u7684\u8fd9\u4e2a\u9519\u8bef\u5417\uff1f<\/p>\n

\u6240\u4ee5\u6211\u60f3\u901a\u8fc7 go gin \u521b\u5efa\u5b58\u50a8\u670d\u52a1 api\uff0c\u5e76\u4e14\u6211\u60f3\u8981\u4e00\u4e2a\u4f7f\u7528 s3 \u5bf9\u8c61\u5bc6\u94a5\u4e0b\u8f7d\u5bf9\u8c61\u7136\u540e\u5c06\u6b64\u5bf9\u8c61\u53d1\u9001\u56de\u5ba2\u6237\u7aef\u7684\u8def\u7ebf\u3002<\/p>\n

cfg,_ := config.loaddefaultconfig(context.todo())\n\n\/\/ create an amazon s3 service client\ns3client := s3.newfromconfig(cfg)\ndownloader := manager.newdownloader(s3client)<\/pre>\n
router.post(\"\/download-s3\", func(ctx *gin.context) {\n        var data map[string]string\n\n        if err := ctx.shouldbindjson(&data); err != nil {\n            log.println(\"error: bind error\")\n            ctx.json(http.statusbadrequest, gin.h{\"error\": err.error()})\n            return\n        }\n\n        log.println(\"body request data (filekey): \", data[\"filekey\"])\n\n        filekey := data[\"filekey\"]\n\n        \/\/\/ buffer read\n        buf := make([]byte, 100)\n        \/\/ wrap with aws.writeatbuffer\n        w := manager.newwriteatbuffer(buf)\n        \/\/ download file into the memory\n        numbytesdownloaded, err := downloader.download(ctx, w, &s3.getobjectinput{\n            bucket: aws.string(bucketname),\n            key:    aws.string(filekey),\n        })\n        if err != nil {\n            log.println(\"error: download error\")\n            ctx.json(http.statusbadrequest, gin.h{\"error\": err.error()})\n            return\n        }\n\n        ctx.json(http.statusaccepted,\n            gin.h{\n                \"message\":            fmt.sprintf(\"'%s' downloaded!\", \"test.jpg\"),\n                \"numbytesdownloaded\": numbytesdownloaded,\n            },\n        )\n\n        ctx.data(http.statusok, \"application\/octet-stream\", w.bytes())\n\n    })<\/pre>\n
\u4e0a\u9762\u7684\u4ee3\u7801\u7ed9\u4e86\u6211\u8fd9\u4e2a\u9519\u8bef\uff1a \u64cd\u4f5c\u9519\u8befs3\uff1agetobject\uff0chttps\u54cd\u5e94\u9519\u8befstatuscode\uff1a403\uff0crequestid\uff1a8khyw3rcs2za7d95\uff0chostid\uff1akolo + gy \/ dtzrrovswsb1bxinln8w + xdl0lnmysuwjnhupmbvk4itdfp + mq2xuo8ehasnx \/ fai4i =\uff0capi\u9519\u8befaccessdenied\uff1a\u8bbf\u95ee\u88ab\u62d2\u7eddphpcnendc phpcn<\/code><\/p>\n
\u8bf7\u6c42\u6b63\u6587\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n
{\n    \"filekey\": \"https:\/\/xxx-xxx.s3.ap-southeast-1.amazonaws.com\/agencies\/photo\/06%3A03%3A2023_17%3A42%3A42_gggi_db_er.png\"\n}<\/pre>\n
\u6211\u5c06\u6240\u6709\u8fd9\u4e9b aws_s3_bucket_name\u3001aws_region\u3001aws_access_key_id\u3001aws_secret_access_key \u5b58\u50a8\u5728 .env \u6587\u4ef6\u4e2d\uff0c\u800c\u4e14\u6211\u8ba4\u4e3a\u6211\u5c06\u5b83\u4eec\u8bbe\u7f6e\u6b63\u786e\uff0c\u56e0\u4e3a\u6211\u6709\u53e6\u4e00\u6761\u5c06\u6587\u4ef6\u4e0a\u4f20\u5230 s3 \u7684\u8def\u7ebf\uff08\u6548\u679c\u5f88\u597d\uff09\u3002<\/p>\n
 <\/p>\n
\u6b63\u786e\u7b54\u6848<\/h2>\n
 <\/p>\n
\u60a8\u7684 filekey \u662f\u8fd9\u6837\u7684 url\uff1a<\/p>\n
\"https:\/\/xxx-xxx.s3.ap-southeast-1.amazonaws.com\/agencies\/photo\/06%3A03%3A2023_17%3A42%3A42_gggi_db_er.png\"<\/pre>\n
\u8fd9\u53ea\u80fd\u4ece http \u5ba2\u6237\u7aef\u4f7f\u7528\uff0c\u4f8b\u5982\u7f51\u7edc\u6d4f\u89c8\u5668\u6216curl\u3002<\/p>\n
\u5177\u4f53\u6765\u8bf4\uff0c\u5b83\u4e0d\u662f\u6709\u6548\u7684 s3 \u5bf9\u8c61\u5bc6\u94a5\u3002\u4f7f\u7528 getobject \u6216\u7c7b\u4f3c\u7684 s3 api \u65f6\uff0c\u5b83\u9700\u8981\u662f\u6709\u6548\u7684\u5bc6\u94a5\uff0c\u4f8b\u5982 agcies\/photo\/xyz.png<\/code> \u5e76\u4e14\u4e0d\u5e94\u8fdb\u884c url \u7f16\u7801\u3002<\/p>\n
\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u5982\u4f55\u4eceAWS S3\u4e0b\u8f7d\u5bf9\u8c61\u5230\u5185\u5b58\u4e2d\u5e76\u901a\u8fc7Go\u4e2d\u7684\u8bf7\u6c42\u53d1\u9001\u5b83\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/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-207764","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207764","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=207764"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207764\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207764"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207764"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}