{"id":207859,"date":"2025-07-08T15:34:47","date_gmt":"2025-07-08T07:34:47","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207859\/"},"modified":"2025-07-08T15:34:47","modified_gmt":"2025-07-08T07:34:47","slug":"%e5%a6%82%e4%bd%95%e5%b0%86%e5%b7%a5%e4%bd%9c%e4%ba%ba%e5%91%98%e8%bf%94%e5%9b%9e%e5%88%b0-go-%e4%b8%ad%e7%9a%84%e5%b7%a5%e4%bd%9c%e4%ba%ba%e5%91%98%e6%b1%a0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207859\/","title":{"rendered":"\u5982\u4f55\u5c06\u5de5\u4f5c\u4eba\u5458\u8fd4\u56de\u5230 Go \u4e2d\u7684\u5de5\u4f5c\u4eba\u5458\u6c60"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5982\u4f55\u5c06\u5de5\u4f5c\u4eba\u5458\u8fd4\u56de\u5230 Go \u4e2d\u7684\u5de5\u4f5c\u4eba\u5458\u6c60<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-26 09:54:35<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300a\u5982\u4f55\u5c06\u5de5\u4f5c\u4eba\u5458\u8fd4\u56de\u5230 Go \u4e2d\u7684\u5de5\u4f5c\u4eba\u5458\u6c60\u300b<\/span>\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9Golang<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60Golang<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01<\/p>\n

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

\u6211\u6b63\u5728\u5b9e\u73b0\u4e00\u4e2a\u5de5\u4f5c\u6c60\uff0c\u5b83\u53ef\u4ee5\u4ece\u901a\u9053\u4e2d\u83b7\u53d6\u4f5c\u4e1a\u3002\u5728\u4e0d\u65ad\u8d85\u65f6\u540e\uff0c\u6211\u610f\u8bc6\u5230\u5f53worker fcn\u5185\u53d1\u751fpanic\u65f6\uff0c\u5373\u4f7f\u6211\u5b9e\u73b0\u4e86\u6062\u590d\u673a\u5236\uff0cworker\u4ecd\u7136\u4e0d\u4f1a\u518d\u6b21\u8fd4\u56de\u5230\u6c60\u4e2d\u3002 <\/p>\n

\u5728 golang \u6f14\u793a\u4e2d\uff0c\u6211\u80fd\u591f\u590d\u5236\u8fd9\u4e2a\u95ee\u9898\uff1a<\/p>\n

\u5de5\u4f5c\u6c60\u53c2\u8003<\/p>\n

\u4fee\u6539\u540e\u7684\u64cd\u573a\u4ee3\u7801\uff1a<\/p>\n

package main\n\nimport \"fmt\"\nimport \"time\"\nimport \"log\"\n\nfunc recovery(id int, results chan<- int) {\n    if r := recover(); r != nil {\n        log.print(\"in recovery func - failed worker: \",id)  \n        results <- 0\n    }\n}\n\nfunc worker(id int, jobs <-chan int, results chan<- int) {\n    for j := range jobs {\n    defer recovery(id, results)\n    if id == 1 {\n        panic(\"test\")\n    }\n        fmt.println(\"worker\", id, \"started job\", j)\n        time.sleep(time.second)\n        fmt.println(\"worker\", id, \"finished job\", j)\n        results <- j * 2\n    }\n}\n\nfunc main() {\n    jobs := make(chan int, 100)\n    results := make(chan int, 100)\n    for w := 1; w <= 3; w++ {\n        go worker(w, jobs, results)\n    }\n    for j := 1; j <= 10; j++ {\n        jobs <- j\n    }\n    close(jobs)\n    for a := 1; a <= 10; a++ {\n        <-results\n    }\n}<\/pre>\n
\u4e3a\u4e86\u8fdb\u884c\u6d4b\u8bd5\uff0c\u6211\u5728\u4f7f\u7528\u5de5\u4eba 1 \u65f6\u5b9e\u73b0\u4e86\u6050\u614c\u3002\u8fd0\u884c\u65f6\uff0cfunc \u6309\u9884\u671f\u53d1\u751f\u6050\u614c\uff0c\u5e76\u6309\u9884\u671f\u8fdb\u5165\u6062\u590d\u72b6\u6001\uff08\u4e5f\u4e0d\u5c06\u503c\u63a8\u9001\u5230\u901a\u9053\u4e2d\uff09\uff0c\u4f46\u5de5\u4f5c\u7ebf\u7a0b 1 \u4f3c\u4e4e\u6c38\u8fdc\u4e0d\u4f1a\u56de\u6765\u3002<\/p>\n
\u8f93\u51fa\u65e0\u6050\u614c\uff1a<\/p>\n
worker 3 started job 1\nworker 1 started job 2\nworker 2 started job 3\nworker 1 finished job 2\nworker 1 started job 4\nworker 3 finished job 1\nworker 3 started job 5\nworker 2 finished job 3\nworker 2 started job 6\nworker 3 finished job 5\nworker 3 started job 7\nworker 1 finished job 4\nworker 1 started job 8\nworker 2 finished job 6\nworker 2 started job 9\nworker 1 finished job 8\nworker 1 started job 10\nworker 3 finished job 7\nworker 2 finished job 9\nworker 1 finished job 10<\/pre>\n
\u5e26\u6709\u6050\u614c\u7684\u8f93\u51fa\uff1a<\/p>\n
worker 3 started job 1\n2009\/11\/10 23:00:00 RECOVERY Failed worker: 1\nworker 2 started job 3\nworker 2 finished job 3\nworker 2 started job 4\nworker 3 finished job 1\nworker 3 started job 5\nworker 3 finished job 5\nworker 3 started job 6\nworker 2 finished job 4\nworker 2 started job 7\nworker 2 finished job 7\nworker 2 started job 8\nworker 3 finished job 6\nworker 3 started job 9\nworker 3 finished job 9\nworker 3 started job 10\nworker 2 finished job 8\nworker 3 finished job 10<\/pre>\n
\u6062\u590d\u540e\uff08\u6216\u6062\u590d\u8fc7\u7a0b\u4e2d\uff09\u5982\u4f55\u5c06\u5de5\u4f5c\u7ebf\u7a0b 1 \u8fd4\u56de\u5230\u6c60\u4e2d<\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u5982\u679c\u60a8\u5173\u5fc3\u9519\u8bef\uff0c\u60a8\u53ef\u4ee5\u5c06 errors<\/code> \u901a\u9053\u4f20\u9012\u5230\u5de5\u4f5c\u51fd\u6570\u4e2d\uff0c\u5982\u679c\u5b83\u4eec\u9047\u5230 error<\/code>\uff0c\u8bf7\u5c06\u5176\u53d1\u9001\u5230\u901a\u9053\uff0c\u7136\u540e continue<\/code>\u3002\u4e3b\u5faa\u73af\u53ef\u4ee5\u5904\u7406\u8fd9\u4e9b\u9519\u8bef\u3002<\/p>\n
\u6216\u8005\uff0c\u5982\u679c\u60a8\u4e0d\u5173\u5fc3\u8be5\u9519\u8bef\uff0c\u53ea\u9700 continue<\/code> \u5373\u53ef\u8df3\u8fc7\u8be5\u4f5c\u4e1a\u3002<\/p>\n
 \u8bed\u53e5\u57fa\u672c\u4e0a\u505c\u6b62\u5904\u7406\u5faa\u73af\u7684\u8fed\u4ee3\uff0c\u5e76\u7ee7\u7eed<\/em>\u4e0b\u4e00\u4e2a\u3002<\/p>\n
\u4eca\u5929\u5173\u4e8e\u300a\u5982\u4f55\u5c06\u5de5\u4f5c\u4eba\u5458\u8fd4\u56de\u5230 Go \u4e2d\u7684\u5de5\u4f5c\u4eba\u5458\u6c60\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\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-207859","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207859","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=207859"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207859\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207859"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}