{"id":207257,"date":"2025-07-08T11:21:05","date_gmt":"2025-07-08T03:21:05","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207257\/"},"modified":"2025-07-08T11:21:05","modified_gmt":"2025-07-08T03:21:05","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-gcp-%e5%9c%a8-pubsub-%e6%a8%a1%e5%9e%8b%e4%b8%ad%e4%b8%80%e6%ac%a1%e5%90%91%e6%89%80%e6%9c%89%e8%ae%a2%e9%98%85%e8%80%85%e5%8f%91%e9%80%81%e6%b6%88%e6%81%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207257\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 GCP \u5728 pubsub \u6a21\u578b\u4e2d\u4e00\u6b21\u5411\u6240\u6709\u8ba2\u9605\u8005\u53d1\u9001\u6d88\u606f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>\u5982\u4f55\u4f7f\u7528 GCP \u5728 pubsub \u6a21\u578b\u4e2d\u4e00\u6b21\u5411\u6240\u6709\u8ba2\u9605\u8005\u53d1\u9001\u6d88\u606f<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-21 10:09:35<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u6765\u5230\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60Golang\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300a\u5982\u4f55\u4f7f\u7528 GCP \u5728 pubsub \u6a21\u578b\u4e2d\u4e00\u6b21\u5411\u6240\u6709\u8ba2\u9605\u8005\u53d1\u9001\u6d88\u606f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u4f7f\u7528<strong>google\u4e91\u5e73\u53f0\u5b9e\u73b0pubsub<\/strong>\u6a21\u578b\uff0c\u5e76\u4f7f\u7528\u51fd\u6570\u521b\u5efa\u4e3b\u9898\u3001\u8ba2\u9605\u8005\u3001\u53d1\u5e03\u548c\u62c9\u53d6\u6d88\u606f\u51fd\u6570\u3002<\/p>\n<pre>func pullMsgs(projectID, subID string, jsonPath string) error {\n    ctx := context.Background()\n    client, err := pubsub.NewClient(ctx, projectID, option.WithCredentialsFile(jsonPath))\n    if err != nil {\n        return fmt.Errorf(\"pubsub.NewClient: %v\", err)\n    }\n\n    \/\/ Consume 10 messages.\n    var mu sync.Mutex\n    received := 0\n    sub := client.Subscription(subID)\n    cctx, cancel := context.WithCancel(ctx)\n    err = sub.Receive(cctx, func(ctx context.Context, msg *pubsub.Message) {\n        mu.Lock()\n        defer mu.Unlock()\n        \/\/ fmt.Fprintf(w, \"Got message: %q\\n\", string(msg.Data))\n        fmt.Println(\"Got message: n\", string(msg.Data))\n        msg.Ack()\n        received++\n        if received == 10 {\n            cancel()\n        }\n    })\n    if err != nil {\n        return fmt.Errorf(\"Receive: %v\", err)\n    }\n    return nil\n}<\/pre>\n<p>pullmsg \u51fd\u6570\u4f7f\u7528\u8ba2\u9605 id \u4ece\u53d1\u5e03\u8005\u5904\u83b7\u53d6\u5df2\u53d1\u5e03\u7684\u6d88\u606f\u3002 <strong>\u5047\u8bbe\u8be5\u6a21\u578b\u6709 3 \u4e2a\u7279\u5b9a\u4e3b\u9898\u7684\u8ba2\u9605\u8005\u3002\u5982\u679c\u53d1\u5e03\u8005\u53d1\u5e03\u4e86\u8be5\u4e3b\u9898\u7684\u6d88\u606f\u3002 pullmsg \u51fd\u6570\u5fc5\u987b\u6267\u884c 3 \u6b21\u624d\u80fd\u4e3a\u6240\u6709\u8ba2\u9605\u8005\u83b7\u53d6\u8be5\u6d88\u606f\u3002<\/strong>\u662f\u5426\u6709\u4efb\u4f55\u65b9\u6cd5\u53ef\u4ee5\u4e00\u6b21\u5411\u6240\u6709\u8ba2\u9605\u8005\u83b7\u53d6\u5df2\u53d1\u5e03\u7684\u6d88\u606f\u3002<\/p>\n<p> <\/p>\n<h2>\u89e3\u51b3\u65b9\u6848<\/h2>\n<p> <\/p>\n<p>\u6211\u4e0d\u660e\u767d\u4f60\u4e3a\u4ec0\u4e48\u8981\u540c\u65f6\u63d0\u53d6 3 \u4e2a\u8ba2\u9605\u3002\u56e0\u4e3a\u8fd9\u4e9b\u6d88\u606f\u53ef\u80fd\u4e0d\u4f1a\u540c\u65f6\/\u5927\u7ea6\u540c\u65f6\u5230\u8fbe\u3002\u56e0\u6b64\uff0c\u5982\u679c\u60a8\u60f3\u5408\u5e76\u8fd9\u4e9b\u6d88\u606f\uff0c\u60a8\u7684\u4ee3\u7801\u5fc5\u987b\u7b49\u5230\u6536\u5230\u6240\u6709\u6d88\u606f\u3002\u8fd9\u5e76\u4e0d\u662f Pub\/Sub \u7684\u771f\u6b63\u76ee\u7684\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u5982\u679c\u60a8<strong>\u4e0d\u60f3<\/strong>\u60f3\u8981\u5408\u5e76\u8fd9\u4e09\u4e2a\u6d88\u606f\uff0c\u6211\u5efa\u8bae\u60a8\u4e3a\u6bcf\u4e2a\u8ba2\u9605\u521b\u5efa\u4e00\u6bb5\u5355\u72ec\u7684\u4ee3\u7801\u3002<\/p>\n<p>\u8bdd\u867d\u8fd9\u4e48\u8bf4\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528<strong>\u540c\u6b65<\/strong>\u62c9\u53d6\u673a\u5236\u6216<strong>\u5f02\u6b65<\/strong>\u62c9\u53d6\u673a\u5236\u6765\u62c9\u53d6\u6240\u6709\u6d88\u606f\u3002\u5982\u679c\u60a8\u4e0d\u5e0c\u671b\u4ee3\u7801\u963b\u585e\uff0c\u4ee5\u4fbf\u5b83\u57fa\u672c\u4e0a\u540c\u65f6\u4fa6\u542c\u6240\u6709\u8ba2\u9605\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u5f02\u6b65\u62c9\u53d6\u3002<\/p>\n<p>\u4ee3\u7801\u6d41\u7a0b\u53ef\u4ee5\u662f\uff1a<\/p>\n<ul>\n<li>\u521b\u5efa\u975e\u963b\u585e\u8ba2\u9605\u8005\u51fd\u6570\u3002<\/li>\n<li>\u5f53 x \u6761\u6d88\u606f\u5230\u8fbe\u65f6\uff0c\u8ba9\u8fd9\u4e2a\u62c9\u53d6\u51fd\u6570\u505c\u6b62\uff08\u6253\u7834 while \u5faa\u73af\uff09\u3002<\/li>\n<li>\u521b\u5efa\u8be5\u51fd\u6570\u7684\u4e09\u4e2a\u5b9e\u4f8b\uff0c\u5e76\u4f20\u9012\u4e09\u4e2a\u4e3b\u9898 ID\u3002<\/li>\n<li>\u521b\u5efa\u53e6\u4e00\u4e2a\u51fd\u6570\u4f9b\u60a8\u5904\u7406\u3002<\/li>\n<\/ul>\n<p>\u66f4\u591a\u4fe1\u606f\u8bf7\u62e8\u6253\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u5982\u4f55\u4f7f\u7528 GCP \u5728 pubsub \u6a21\u578b\u4e2d\u4e00\u6b21\u5411\u6240\u6709\u8ba2\u9605\u8005\u53d1\u9001\u6d88\u606f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u524d\u4f4d\u7f6e\uff1a &gt; &gt; &#46;&#46;&#46;<\/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-207257","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207257","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=207257"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207257\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207257"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207257"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}