{"id":206976,"date":"2025-07-08T08:37:54","date_gmt":"2025-07-08T00:37:54","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206976\/"},"modified":"2025-07-08T08:37:54","modified_gmt":"2025-07-08T00:37:54","slug":"%e6%88%91%e5%8f%af%e4%bb%a5%e9%98%b2%e6%ad%a2-amqp-channel-%e5%9b%a0%e9%94%99%e8%af%af%e8%80%8c%e5%85%b3%e9%97%ad%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206976\/","title":{"rendered":"\u6211\u53ef\u4ee5\u9632\u6b62 amqp.Channel \u56e0\u9519\u8bef\u800c\u5173\u95ed\u5417\uff1f"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u6211\u53ef\u4ee5\u9632\u6b62 amqp.Channel \u56e0\u9519\u8bef\u800c\u5173\u95ed\u5417\uff1f<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-19 10:06:33<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300a\u6211\u53ef\u4ee5\u9632\u6b62 amqp.Channel \u56e0\u9519\u8bef\u800c\u5173\u95ed\u5417\uff1f\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n

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

\u6211\u5c1d\u8bd5\u5728 go \u4e2d\u7684\u5355\u4e2a\u901a\u9053\u4e0a\u521b\u5efa\u591a\u4e2a amqp \u961f\u5217\u6d88\u8d39\u8005\u3002<\/p>\n

\u6211\u9762\u4e34\u7684\u95ee\u9898\u662f\uff0c\u5f53\u521b\u5efa\u591a\u4e2a\u6d88\u8d39\u8005\u65f6\uff0c\u5982\u679c\u7b2c\u4e00\u4e2a\u5931\u8d25\uff0c\u901a\u9053\u4f1a\u7acb\u5373\u5173\u95ed\uff0c\u4ece\u800c\u963b\u6b62\u8fdb\u4e00\u6b65\u7684\u64cd\u4f5c\u3002<\/p>\n

\u6709\u529e\u6cd5\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\u8fd8\u662f\u6211\u5fc5\u987b\u91cd\u65b0\u521b\u5efa\u9891\u9053\uff1f<\/p>\n

\u793a\u4f8b<\/h2>\n

\u5047\u8bbe\u961f\u5217\u201cclient-a\u201d\u4e0d\u5b58\u5728\uff0c\u8fd9\u5c06\u5bfc\u81f4\u5728\u4e3a\u201cclient-b\u201d\u521b\u5efa\u961f\u5217\u6d88\u8d39\u8005\u65f6\u51fa\u9519\uff0c\u56e0\u4e3a\u6b64\u65f6\u901a\u9053\u5df2\u5173\u95ed\u3002\u9519\u8bef\u5c06\u662f exception (504) \u539f\u56e0\uff1a\u201c\u901a\u9053\/\u8fde\u63a5\u672a\u6253\u5f00\u201d<\/code><\/p>\n

package main\n\nimport (\n    \"github.com\/streadway\/amqp\"\n    \"log\"\n)\n\nfunc check(err error) {\n    if err != nil {\n        panic(err)\n    }\n}\n\nfunc TestChannelProblems() {\n    \/\/ Setup AMQP stuff\n    connection, err := amqp.Dial(\"amqp:\/\/guest:guest@localhost:5672\/\")\n    check(err)\n    log.Println(\"Queue connection ok\")\n\n    channel, err := connection.Channel()\n    check(err)\n    log.Println(\"Queue channel ok\")\n\n    queuesToConnectTo := []string{\"client-a\", \"client-b\"}\n\n    for i, _ := range queuesToConnectTo {\n        queueName := queuesToConnectTo[i]\n\n        _, err := channel.Consume(queueName, \"\", false, false, false, false, nil)\n        if err != nil {\n            log.Printf(\"Connecting to queue %v failed: %v\", queueName, err.Error())\n        }\n\n        \/\/ ... Here would be the logic to use the return value of channel.Consume\n    }\n}<\/pre>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u957f\u8bdd\u77ed\u8bf4\uff1a\u5728 amqp\uff08\u6216\u81f3\u5c11 rabbitmq\uff09\u4e2d\uff0c\u56e0\u534f\u8bae\u5f02\u5e38\u800c\u5173\u95ed\u901a\u9053\u662f\u6b63\u5e38\u884c\u4e3a\uff0c\u5e76\u4e14\u5fc5\u987b\u7531\u5e94\u7528\u7a0b\u5e8f\u5904\u7406\u3002<\/p>\n
\u6765\u6e90\uff1a<\/p>\n
\u4e00\u822c\u4e0d\u5efa\u8bae\u8fd9\u6837\u505a\u3002\u5982\u679c\u60a8\u7684\u4e00\u4e2a\u6d88\u8d39\u8005\u9047\u5230\u9519\u8bef\uff0c\u5b83\u4e5f\u4f1a\u5173\u95ed\u53e6\u5916\u4e24\u4e2a\u3002\u60a8\u5e94\u8be5\u4e3a\u6bcf\u4e2a\u6d88\u8d39\u8005\u6253\u5f00\u4e00\u4e2a\u6e20\u9053\u3002\u5c3d\u7ba1\u6253\u5f00\u901a\u9053\u7684\u6210\u672c\u76f8\u5bf9\u8f83\u9ad8\uff0c\u4f46\u7531\u4e8e\u5b83\u662f\u7f51\u7edc\u5f80\u8fd4\uff0c\u56e0\u6b64\u5728\u5b9e\u8df5\u4e2d\u8fd9\u4e0d\u592a\u53ef\u80fd\u6210\u4e3a\u95ee\u9898\u3002<\/p>\n
\u60a8\u5fc5\u987b\u91cd\u65b0\u521b\u5efa\u9891\u9053\u3002\u5982\u679c\u8fde\u63a5\u4e0a\u53d1\u751f\u4efb\u4f55\u9519\u8bef\uff0c\u5e93 streadway\/amqp<\/code> \u65e0\u8bba\u5982\u4f55\u90fd\u4f1a\u5173\u95ed\u4f20\u9012\u901a\u9053\uff08\u901a\u9053 = go \u7c7b\u578b <-chan amqp.delivery<\/code>\uff09\u3002<\/p>\n
\u60a8\u53ef\u4ee5\u67e5\u770b \uff0c\u4e86\u89e3\u6709\u5173\u5982\u4f55\u5904\u7406 amqp \u9519\u8bef\u5e76\u53ef\u80fd\u6062\u590d\u5b83\u4eec\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u672c\u8d28\u4e0a\uff0c\u60a8\u4f7f\u7528 \u6765\u76d1\u542c\u5173\u95ed\u4e8b\u4ef6\uff1a<\/p>\n
\/\/ c is an *amqp.Channel\nerrC := c.NotifyClose(make(chan *amqp.Error, 10))\ngo func() {\n    for err := range errC {\n        if err != nil {\n            \/\/ error-handling\n        }\n    }\n}()<\/pre>\n
\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300a\u6211\u53ef\u4ee5\u9632\u6b62 amqp.Channel \u56e0\u9519\u8bef\u800c\u5173\u95ed\u5417\uff1f\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591aGolang\u77e5\u8bc6\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-206976","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206976","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=206976"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206976\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206976"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206976"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206976"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}