{"id":205802,"date":"2025-06-12T10:13:06","date_gmt":"2025-06-12T02:13:06","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205802\/"},"modified":"2025-06-12T10:13:06","modified_gmt":"2025-06-12T02:13:06","slug":"golang-%e5%87%bd%e6%95%b0%e7%9a%84%e4%b8%8b%e4%b8%80%e4%b8%aa%e7%af%87%e7%ab%a0-%e5%b1%95%e6%9c%9b%e6%9c%aa%e6%9d%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205802\/","title":{"rendered":"Golang \u51fd\u6570\u7684\u4e0b\u4e00\u4e2a\u7bc7\u7ae0: \u5c55\u671b\u672a\u6765"},"content":{"rendered":"

\u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60GOLANG<\/span>\uff0c\u90a3\u4e48\u672c\u6587\u300aGOLANG \u51fd\u6570\u7684\u4e0b\u4e00\u4e2a\u7bc7\u7ae0: \u5c55\u671b\u672a\u6765\u300b<\/span>\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff01\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec<\/span>\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/span>,GOLANG \u51fd\u6570\u7684\u672a\u6765\u53d1\u5c55\u65b9\u5411\u5305\u62ec\uff1a\u95ed\u5305\uff1a\u901a\u8fc7\u533f\u540d\u51fd\u6570\u5b9e\u73b0\u8bbf\u95ee\u5916\u90e8\u53d8\u91cf\uff0c\u5b9e\u73b0\u6570\u636e\u5c01\u88c5\u548c\u6a21\u5757\u5316\u3002\u6cdb\u578b\uff1a\u5141\u8bb8\u521b\u5efa\u53ef\u64cd\u4f5c\u4e0d\u540c\u7c7b\u578b\u6570\u636e\u7684\u51fd\u6570\uff0c\u63d0\u9ad8\u4ee3\u7801\u590d\u7528\u6027\u3002\u9519\u8bef\u5904\u7406\uff1a\u63d0\u4f9b\u66f4\u9ad8\u7ea7\u7684\u529f\u80fd\uff0c\u5305\u62ec\u9519\u8bef\u94fe\u548c\u81ea\u5b9a\u4e49\u9519\u8bef\u7c7b\u578b\uff0c\u589e\u5f3a\u9519\u8bef\u5904\u7406\u80fd\u529b\u3002,
\n,
\nGOLANG \u51fd\u6570\u7684\u4e0b\u4e00\u4e2a\u7bc7\u7ae0\uff1a\u5c55\u671b\u672a\u6765<\/strong>,GOLANG \u4f5c\u4e3a\u4e00\u95e8\u73b0\u4ee3\u7f16\u7a0b\u8bed\u8a00\uff0c\u5176\u51fd\u6570\u529f\u80fd\u4ecd\u5728\u4e0d\u65ad\u53d1\u5c55\u3002\u672c\u6587\u5c06\u63a2\u8ba8 GOLANG \u51fd\u6570\u7684\u672a\u6765\u53d1\u5c55\u8d8b\u52bf\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e9b\u5b9e\u7528\u7684\u793a\u4f8b\uff0c\u8ba9\u60a8\u9886\u7565\u6211\u4eec\u524d\u8fdb\u7684\u65b9\u5411\u3002,
\n\u95ed\u5305<\/strong>,\u95ed\u5305\u662f\u6307\u80fd\u591f\u8bbf\u95ee\u5176\u521b\u5efa\u8303\u56f4\u4e4b\u5916\u53d8\u91cf\u7684\u51fd\u6570\u3002\u5728 GOLANG \u4e2d\uff0c\u95ed\u5305\u901a\u8fc7\u533f\u540d\u51fd\u6570\u5b9e\u73b0\uff0c\u8be5\u51fd\u6570\u6355\u83b7\u5e76\u4fdd\u5b58\u5bf9\u5916\u90e8\u53d8\u91cf\u7684\u5f15\u7528\u3002\u95ed\u5305\u7684\u4f18\u52bf\u5728\u4e8e\u53ef\u5b9e\u73b0\u6570\u636e\u5c01\u88c5\u548c\u6a21\u5757\u5316\u3002,
\n\u6cdb\u578b<\/strong>,\u6cdb\u578b\u5141\u8bb8\u521b\u5efa\u53ef\u64cd\u4f5c\u4e0d\u540c\u7c7b\u578b\u6570\u636e\u7684\u51fd\u6570\u3002\u5728 GOLANG 1.18 \u4e2d\u5f15\u5165\u6cdb\u578b\uff0c\u65e8\u5728\u63d0\u9ad8\u4ee3\u7801\u590d\u7528\u6027\u5e76\u6d88\u9664\u7c7b\u578b\u65ad\u8a00\u7684\u9700\u8981\u3002,
\n\u9519\u8bef\u5904\u7406<\/strong>,\u5728 GOLANG \u4e2d\uff0c\u9519\u8bef\u901a\u5e38\u901a\u8fc7
\nerror<\/code> \u7c7b\u578b\u8868\u793a\u3002\u672a\u6765\u7248\u672c\u7684 GOLANG \u5c06\u63d0\u4f9b\u66f4\u9ad8\u7ea7\u7684\u9519\u8bef\u5904\u7406\u529f\u80fd\uff0c\u5305\u62ec\u9519\u8bef\u94fe\u548c\u81ea\u5b9a\u4e49\u9519\u8bef\u7c7b\u578b\u3002,
\n\u672a\u6765\u5c55\u671b<\/strong>,GOLANG \u51fd\u6570\u7684\u672a\u6765\u5145\u6ee1\u4e86\u6f5c\u529b\u3002\u6cdb\u578b\u3001\u95ed\u5305\u548c\u9ad8\u7ea7\u9519\u8bef\u5904\u7406\u529f\u80fd\u7684\u4e0d\u65ad\u6539\u8fdb\u5c06\u4f7f\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u7f16\u5199\u66f4\u53ef\u91cd\u7528\u3001\u66f4\u5065\u58ee\u3001\u66f4\u6613\u4e8e\u7ef4\u62a4\u7684\u4ee3\u7801\u3002\u968f\u7740 GOLANG \u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u6211\u4eec\u671f\u5f85\u770b\u5230\u8fd9\u4e9b\u529f\u80fd\u5728\u672a\u6765\u7248\u672c\u4e2d\u5f97\u5230\u8fdb\u4e00\u6b65\u589e\u5f3a\u3002,\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aGOLANG \u51fd\u6570\u7684\u4e0b\u4e00\u4e2a\u7bc7\u7ae0: \u5c55\u671b\u672a\u6765\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~GOLANG\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03GOLANG\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01,
\n\u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60GOLANG<\/span>\uff0c\u90a3\u4e48\u672c\u6587\u300aGOLANG \u51fd\u6570\u7684\u4e0b\u4e00\u4e2a\u7bc7\u7ae0: \u5c55\u671b\u672a\u6765\u300b<\/span>\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff01\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec<\/span>\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/span>,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> GOLANG \u51fd\u6570\u7684\u4e0b\u4e00\u4e2a\u7bc7\u7ae0: \u5c55\u671b\u672a\u6765<\/span><\/p>\n

GOLANG \u51fd\u6570\u7684\u4e0b\u4e00\u4e2a\u7bc7\u7ae0: \u5c55\u671b\u672a\u6765<\/h1>\n

2024-10-27 12:37:44<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60GOLANG<\/span>\uff0c\u90a3\u4e48\u672c\u6587\u300aGOLANG \u51fd\u6570\u7684\u4e0b\u4e00\u4e2a\u7bc7\u7ae0: \u5c55\u671b\u672a\u6765\u300b<\/span>\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff01\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec<\/span>\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/span><\/p>\n

GOLANG \u51fd\u6570\u7684\u672a\u6765\u53d1\u5c55\u65b9\u5411\u5305\u62ec\uff1a\u95ed\u5305\uff1a\u901a\u8fc7\u533f\u540d\u51fd\u6570\u5b9e\u73b0\u8bbf\u95ee\u5916\u90e8\u53d8\u91cf\uff0c\u5b9e\u73b0\u6570\u636e\u5c01\u88c5\u548c\u6a21\u5757\u5316\u3002\u6cdb\u578b\uff1a\u5141\u8bb8\u521b\u5efa\u53ef\u64cd\u4f5c\u4e0d\u540c\u7c7b\u578b\u6570\u636e\u7684\u51fd\u6570\uff0c\u63d0\u9ad8\u4ee3\u7801\u590d\u7528\u6027\u3002\u9519\u8bef\u5904\u7406\uff1a\u63d0\u4f9b\u66f4\u9ad8\u7ea7\u7684\u529f\u80fd\uff0c\u5305\u62ec\u9519\u8bef\u94fe\u548c\u81ea\u5b9a\u4e49\u9519\u8bef\u7c7b\u578b\uff0c\u589e\u5f3a\u9519\u8bef\u5904\u7406\u80fd\u529b\u3002<\/p>\n

<\/p>\n

GOLANG \u51fd\u6570\u7684\u4e0b\u4e00\u4e2a\u7bc7\u7ae0\uff1a\u5c55\u671b\u672a\u6765<\/strong><\/p>\n

GOLANG \u4f5c\u4e3a\u4e00\u95e8\u73b0\u4ee3\u7f16\u7a0b\u8bed\u8a00\uff0c\u5176\u51fd\u6570\u529f\u80fd\u4ecd\u5728\u4e0d\u65ad\u53d1\u5c55\u3002\u672c\u6587\u5c06\u63a2\u8ba8 GOLANG \u51fd\u6570\u7684\u672a\u6765\u53d1\u5c55\u8d8b\u52bf\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e9b\u5b9e\u7528\u7684\u793a\u4f8b\uff0c\u8ba9\u60a8\u9886\u7565\u6211\u4eec\u524d\u8fdb\u7684\u65b9\u5411\u3002<\/p>\n

\u95ed\u5305<\/strong><\/p>\n

\u95ed\u5305\u662f\u6307\u80fd\u591f\u8bbf\u95ee\u5176\u521b\u5efa\u8303\u56f4\u4e4b\u5916\u53d8\u91cf\u7684\u51fd\u6570\u3002\u5728 GOLANG \u4e2d\uff0c\u95ed\u5305\u901a\u8fc7\u533f\u540d\u51fd\u6570\u5b9e\u73b0\uff0c\u8be5\u51fd\u6570\u6355\u83b7\u5e76\u4fdd\u5b58\u5bf9\u5916\u90e8\u53d8\u91cf\u7684\u5f15\u7528\u3002\u95ed\u5305\u7684\u4f18\u52bf\u5728\u4e8e\u53ef\u5b9e\u73b0\u6570\u636e\u5c01\u88c5\u548c\u6a21\u5757\u5316\u3002<\/p>\n

func GetCounter(initial int) func() int {\n    count := initial\n    return func() int {\n        count++\n        return count\n    }\n}\n\n\/\/ \u5b9e\u6218\u6848\u4f8b\uff1a\u9012\u589e\u8ba1\u6570\u5668\nfunc main() {\n    counter := GetCounter(10)\n    fmt.Println(\"Count:\", counter())\n    fmt.Println(\"Count:\", counter())\n    fmt.Println(\"Count:\", counter())\n}<\/pre>\n
\u6cdb\u578b<\/strong><\/p>\n
\u6cdb\u578b\u5141\u8bb8\u521b\u5efa\u53ef\u64cd\u4f5c\u4e0d\u540c\u7c7b\u578b\u6570\u636e\u7684\u51fd\u6570\u3002\u5728 GOLANG 1.18 \u4e2d\u5f15\u5165\u6cdb\u578b\uff0c\u65e8\u5728\u63d0\u9ad8\u4ee3\u7801\u590d\u7528\u6027\u5e76\u6d88\u9664\u7c7b\u578b\u65ad\u8a00\u7684\u9700\u8981\u3002<\/p>\n
func Max[T int | float64](x, y T) T {\n    if x > y {\n        return x\n    }\n    return y\n}\n\n\/\/ \u5b9e\u6218\u6848\u4f8b\uff1a\u67e5\u627e\u6700\u5927\u503c\nfunc main() {\n    intMax := Max(10, 20)\n    fmt.Println(\"Int Max:\", intMax)\n\n    floatMax := Max(2.5, 3.2)\n    fmt.Println(\"Float Max:\", floatMax)\n}<\/pre>\n
\u9519\u8bef\u5904\u7406<\/strong><\/p>\n
\u5728 GOLANG \u4e2d\uff0c\u9519\u8bef\u901a\u5e38\u901a\u8fc7 error<\/code> \u7c7b\u578b\u8868\u793a\u3002\u672a\u6765\u7248\u672c\u7684 GOLANG \u5c06\u63d0\u4f9b\u66f4\u9ad8\u7ea7\u7684\u9519\u8bef\u5904\u7406\u529f\u80fd\uff0c\u5305\u62ec\u9519\u8bef\u94fe\u548c\u81ea\u5b9a\u4e49\u9519\u8bef\u7c7b\u578b\u3002<\/p>\n
\/\/ \u5b9a\u4e49\u81ea\u5b9a\u4e49\u9519\u8bef\u7c7b\u578b\ntype MyError struct {\n    message string\n}\nfunc (e *MyError) Error() string {\n    return e.message\n}\n\n\/\/ \u9519\u8bef\u94fe\u793a\u4f8b\nfunc ProcessData(input []byte) error {\n    if len(input) == 0 {\n        return &MyError{message: \"Empty input\"}\n    }\n\n    if _, err := strconv.Atoi(string(input)); err != nil {\n        return fmt.Errorf(\"Invalid integer: %w\", err)\n    }\n\n    return nil\n}\n\n\/\/ \u5b9e\u6218\u6848\u4f8b\uff1a\u9519\u8bef\u94fe\nfunc main() {\n    input := \"abc\"\n\n    if err := ProcessData([]byte(input)); err != nil {\n        \/\/ Unwrap \u9519\u8bef\u94fe\u4ee5\u8bbf\u95ee\u539f\u59cb\u9519\u8bef\n        fmt.Printf(\"Error: %v\\n\", errors.Unwrap(err))\n    }\n}<\/pre>\n
\u672a\u6765\u5c55\u671b<\/strong><\/p>\n
GOLANG \u51fd\u6570\u7684\u672a\u6765\u5145\u6ee1\u4e86\u6f5c\u529b\u3002\u6cdb\u578b\u3001\u95ed\u5305\u548c\u9ad8\u7ea7\u9519\u8bef\u5904\u7406\u529f\u80fd\u7684\u4e0d\u65ad\u6539\u8fdb\u5c06\u4f7f\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u7f16\u5199\u66f4\u53ef\u91cd\u7528\u3001\u66f4\u5065\u58ee\u3001\u66f4\u6613\u4e8e\u7ef4\u62a4\u7684\u4ee3\u7801\u3002\u968f\u7740 GOLANG \u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u6211\u4eec\u671f\u5f85\u770b\u5230\u8fd9\u4e9b\u529f\u80fd\u5728\u672a\u6765\u7248\u672c\u4e2d\u5f97\u5230\u8fdb\u4e00\u6b65\u589e\u5f3a\u3002<\/p>\n
\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aGOLANG \u51fd\u6570\u7684\u4e0b\u4e00\u4e2a\u7bc7\u7ae0: \u5c55\u671b\u672a\u6765\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~GOLANG\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03GOLANG\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n
\n
\n <\/dt>\n
\n   JVM Crash \u62a5\u9519 SIGSEGV (0xb) \u7684\u6839\u6e90\uff1aJIT \u7f16\u8bd1\u6f0f\u6d1e\u8fd8\u662f\u4e1a\u52a1\u4ee3\u7801\u95ee\u9898\uff1f\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   Java \u51fd\u6570\u4e2d\u53c2\u6570\u4f20\u9012\u662f\u5426\u4f1a\u88ab Java \u865a\u62df\u673a\u4f18\u5316\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60GO...<\/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-205802","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205802","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=205802"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205802\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205802"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205802"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205802"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}