{"id":205757,"date":"2025-06-12T08:49:02","date_gmt":"2025-06-12T00:49:02","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205757\/"},"modified":"2025-06-12T08:49:02","modified_gmt":"2025-06-12T00:49:02","slug":"%e5%9c%a8-golang-%e4%b8%ad%e5%a6%82%e4%bd%95%e5%88%9b%e5%bb%ba%e5%b8%a6%e6%9c%89%e5%91%bd%e5%90%8d%e8%bf%94%e5%9b%9e%e5%80%bc%e7%9a%84%e5%8c%bf%e5%90%8d%e5%87%bd%e6%95%b0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205757\/","title":{"rendered":"\u5728 Golang \u4e2d\u5982\u4f55\u521b\u5efa\u5e26\u6709\u547d\u540d\u8fd4\u56de\u503c\u7684\u533f\u540d\u51fd\u6570\uff1f"},"content":{"rendered":"

\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728GOLANG\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300a\u5728 GOLANG \u4e2d\u5982\u4f55\u521b\u5efa\u5e26\u6709\u547d\u540d\u8fd4\u56de\u503c\u7684\u533f\u540d\u51fd\u6570\uff1f\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\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~,\u5728 Go \u4e2d\uff0c\u521b\u5efa\u5e26\u6709\u547d\u540d\u5b57\u6bb5\u8fd4\u56de\u503c\u7684\u533f\u540d\u51fd\u6570\u7684\u8bed\u6cd5\u4e3a\uff1afunc(param1 type1, param2 type2, …) (result1 type1, result2 type2, …) { \u51fd\u6570\u4f53 }\uff0c\u8fd4\u56de\u7c7b\u578b\u901a\u8fc7\u547d\u540d\u5b57\u6bb5\u6307\u5b9a\uff0c\u793a\u4f8b\u4e3a multiply \u51fd\u6570\uff0c\u5176\u8fd4\u56de product \u548c err \u4e24\u4e2a\u547d\u540d\u5b57\u6bb5\u3002,
\n,
\n\u5728 GOLANG \u4e2d\u521b\u5efa\u5e26\u6709\u547d\u540d\u8fd4\u56de\u503c\u7684\u533f\u540d\u51fd\u6570<\/strong>,\u5728 GOLANG \u4e2d\uff0c\u533f\u540d\u51fd\u6570\uff08\u4e5f\u79f0\u4e3a lambda \u51fd\u6570\uff09\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528
\nfunc<\/code> \u5173\u952e\u5b57\u548c\u8fd4\u56de\u7c7b\u578b\u7684\u7f29\u5199\u8bed\u6cd5\u6765\u521b\u5efa\u3002\u5f53\u9700\u8981\u4f7f\u7528\u5177\u6709\u7279\u5b9a\u8fd4\u56de\u503c\u7684\u533f\u540d\u51fd\u6570\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u547d\u540d\u5b57\u6bb5\u7684\u8fd4\u56de\u7c7b\u578b\u3002,
\n\u8bed\u6cd5\uff1a<\/strong>,
\n\u8fd4\u56de\u7c7b\u578b\uff1a<\/strong>,\u5982\u679c\u51fd\u6570\u9700\u8981\u8fd4\u56de\u591a\u4e2a\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u547d\u540d\u5b57\u6bb5\u7684\u8fd4\u56de\u7c7b\u578b\u3002\u6bcf\u4e2a\u547d\u540d\u5b57\u6bb5\u5fc5\u987b\u5177\u6709\u660e\u786e\u7684\u7c7b\u578b\uff0c\u8fd9\u4e9b\u7c7b\u578b\u5c06\u5728\u8fd4\u56de\u5143\u7ec4\u4e2d\u6309\u987a\u5e8f\u51fa\u73b0\u3002,
\n\u5b9e\u6218\u793a\u4f8b\uff1a<\/strong>,\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528\u547d\u540d\u8fd4\u56de\u503c\u7684\u533f\u540d\u51fd\u6570\u7684\u5b9e\u6218\u793a\u4f8b\uff1a,
\n\u8f93\u51fa\uff1a<\/strong>,\u5728\u672c\u4f8b\u4e2d\uff0c\u533f\u540d\u51fd\u6570
\nmultiply<\/code> \u8fd4\u56de\u4e24\u4e2a\u547d\u540d\u5b57\u6bb5\uff1a
\nproduct<\/code> \u548c
\nerr<\/code>\u3002
\nproduct<\/code> \u5b57\u6bb5\u5305\u542b\u4e24\u6570\u4e4b\u79ef\uff0c\u800c
\nerr<\/code> \u5b57\u6bb5\u5982\u679c\u7ed3\u679c\u4e3a\u8d1f\u6570\u5219\u5305\u542b\u4e00\u4e2a\u9519\u8bef\u3002,\u4eca\u5929\u5173\u4e8e\u300a\u5728 GOLANG \u4e2d\u5982\u4f55\u521b\u5efa\u5e26\u6709\u547d\u540d\u8fd4\u56de\u503c\u7684\u533f\u540d\u51fd\u6570\uff1f\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\u5728GOLANG\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,\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728GOLANG\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300a\u5728 GOLANG \u4e2d\u5982\u4f55\u521b\u5efa\u5e26\u6709\u547d\u540d\u8fd4\u56de\u503c\u7684\u533f\u540d\u51fd\u6570\uff1f\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\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~,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5728 GOLANG \u4e2d\u5982\u4f55\u521b\u5efa\u5e26\u6709\u547d\u540d\u8fd4\u56de\u503c\u7684\u533f\u540d\u51fd\u6570\uff1f<\/span><\/p>\n

\u5728 GOLANG \u4e2d\u5982\u4f55\u521b\u5efa\u5e26\u6709\u547d\u540d\u8fd4\u56de\u503c\u7684\u533f\u540d\u51fd\u6570\uff1f<\/h1>\n

2024-10-27 08:45:00<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728GOLANG\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300a\u5728 GOLANG \u4e2d\u5982\u4f55\u521b\u5efa\u5e26\u6709\u547d\u540d\u8fd4\u56de\u503c\u7684\u533f\u540d\u51fd\u6570\uff1f\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\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~<\/p>\n

\u5728 Go \u4e2d\uff0c\u521b\u5efa\u5e26\u6709\u547d\u540d\u5b57\u6bb5\u8fd4\u56de\u503c\u7684\u533f\u540d\u51fd\u6570\u7684\u8bed\u6cd5\u4e3a\uff1afunc(param1 type1, param2 type2, …) (result1 type1, result2 type2, …) { \u51fd\u6570\u4f53 }\uff0c\u8fd4\u56de\u7c7b\u578b\u901a\u8fc7\u547d\u540d\u5b57\u6bb5\u6307\u5b9a\uff0c\u793a\u4f8b\u4e3a multiply \u51fd\u6570\uff0c\u5176\u8fd4\u56de product \u548c err \u4e24\u4e2a\u547d\u540d\u5b57\u6bb5\u3002<\/p>\n

<\/p>\n

\u5728 GOLANG \u4e2d\u521b\u5efa\u5e26\u6709\u547d\u540d\u8fd4\u56de\u503c\u7684\u533f\u540d\u51fd\u6570<\/strong><\/p>\n

\u5728 GOLANG \u4e2d\uff0c\u533f\u540d\u51fd\u6570\uff08\u4e5f\u79f0\u4e3a lambda \u51fd\u6570\uff09\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 func<\/code> \u5173\u952e\u5b57\u548c\u8fd4\u56de\u7c7b\u578b\u7684\u7f29\u5199\u8bed\u6cd5\u6765\u521b\u5efa\u3002\u5f53\u9700\u8981\u4f7f\u7528\u5177\u6709\u7279\u5b9a\u8fd4\u56de\u503c\u7684\u533f\u540d\u51fd\u6570\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u547d\u540d\u5b57\u6bb5\u7684\u8fd4\u56de\u7c7b\u578b\u3002<\/p>\n

\u8bed\u6cd5\uff1a<\/strong><\/p>\n

func(param1 type1, param2 type2, ...) (result1 type1, result2 type2, ...) {\n    \/\/ \u51fd\u6570\u4f53\n}<\/pre>\n
\u8fd4\u56de\u7c7b\u578b\uff1a<\/strong><\/p>\n
\u5982\u679c\u51fd\u6570\u9700\u8981\u8fd4\u56de\u591a\u4e2a\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u547d\u540d\u5b57\u6bb5\u7684\u8fd4\u56de\u7c7b\u578b\u3002\u6bcf\u4e2a\u547d\u540d\u5b57\u6bb5\u5fc5\u987b\u5177\u6709\u660e\u786e\u7684\u7c7b\u578b\uff0c\u8fd9\u4e9b\u7c7b\u578b\u5c06\u5728\u8fd4\u56de\u5143\u7ec4\u4e2d\u6309\u987a\u5e8f\u51fa\u73b0\u3002<\/p>\n
\u5b9e\u6218\u793a\u4f8b\uff1a<\/strong><\/p>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528\u547d\u540d\u8fd4\u56de\u503c\u7684\u533f\u540d\u51fd\u6570\u7684\u5b9e\u6218\u793a\u4f8b\uff1a<\/p>\n
package main\n\nimport \"fmt\"\n\nfunc main() {\n    \/\/ \u521b\u5efa\u4e00\u4e2a\u533f\u540d\u51fd\u6570\uff0c\u8fd4\u56de\u4e24\u4e2a\u5e26\u547d\u540d\u5b57\u6bb5\u7684\u503c\n    multiply := func(a, b int) (product int, err error) {\n        product = a * b\n        if product < 0 {\n            err = fmt.Errorf(\"\u8d1f\u6570\u7ed3\u679c\")\n        }\n        return\n    }\n\n    \/\/ \u8c03\u7528\u533f\u540d\u51fd\u6570\uff0c\u63a5\u6536\u547d\u540d\u5b57\u6bb5\u7684\u503c\n    result, err := multiply(10, 20)\n    if err != nil {\n        fmt.Println(err)\n    } else {\n        fmt.Println(\"\u7ed3\u679c\uff1a\", result)\n    }\n}<\/pre>\n
\u8f93\u51fa\uff1a<\/strong><\/p>\n
\u7ed3\u679c\uff1a 200<\/pre>\n
\u5728\u672c\u4f8b\u4e2d\uff0c\u533f\u540d\u51fd\u6570 multiply<\/code> \u8fd4\u56de\u4e24\u4e2a\u547d\u540d\u5b57\u6bb5\uff1aproduct<\/code> \u548c err<\/code>\u3002product<\/code> \u5b57\u6bb5\u5305\u542b\u4e24\u6570\u4e4b\u79ef\uff0c\u800c err<\/code> \u5b57\u6bb5\u5982\u679c\u7ed3\u679c\u4e3a\u8d1f\u6570\u5219\u5305\u542b\u4e00\u4e2a\u9519\u8bef\u3002<\/p>\n
\u4eca\u5929\u5173\u4e8e\u300a\u5728 GOLANG \u4e2d\u5982\u4f55\u521b\u5efa\u5e26\u6709\u547d\u540d\u8fd4\u56de\u503c\u7684\u533f\u540d\u51fd\u6570\uff1f\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\u5728GOLANG\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
\n
\n <\/dt>\n
\n   \u5982\u4f55\u4ece\u7ed3\u6784\u4f53\u4e2d\u63d0\u53d6\u53c2\u6570\u4f20\u9012\u7ed9 GOLANG \u51fd\u6570\uff1f\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   \u6beb\u672b\u667a\u884c\u56de\u5e94\u4e0a\u5e02\u8ba1\u5212\u88ab\u558a\u505c\uff1a\u4ecd\u5728\u8fdb\u884c\u4e2d\uff0c\u9884\u8ba12025\u5e74IPO\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728G...<\/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-205757","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205757","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=205757"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205757\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205757"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}