{"id":206460,"date":"2025-06-12T11:55:04","date_gmt":"2025-06-12T03:55:04","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206460\/"},"modified":"2025-06-12T11:55:04","modified_gmt":"2025-06-12T03:55:04","slug":"go-%e4%b8%ad%e7%bb%93%e6%9e%84%e4%bd%93%e5%af%b9%e8%b1%a1%e5%a6%82%e4%bd%95%e8%b0%83%e7%94%a8%e6%8e%a5%e6%94%b6%e6%8c%87%e9%92%88%e7%b1%bb%e5%9e%8b%e7%9a%84%e6%96%b9%e6%b3%95%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206460\/","title":{"rendered":"Go \u4e2d\u7ed3\u6784\u4f53\u5bf9\u8c61\u5982\u4f55\u8c03\u7528\u63a5\u6536\u6307\u9488\u7c7b\u578b\u7684\u65b9\u6cd5\uff1f"},"content":{"rendered":"<p>\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\u300aGo \u4e2d\u7ed3\u6784\u4f53\u5bf9\u8c61\u5982\u4f55\u8c03\u7528\u63a5\u6536\u6307\u9488\u7c7b\u578b\u7684\u65b9\u6cd5\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~,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241112\/17313997086733101c340e6.jpg\" class=\"aligncenter\">,<br \/>\n<strong>go \u4e2d\u7ed3\u6784\u4f53\u5bf9\u8c61\u8c03\u7528\u63a5\u6536\u6307\u9488\u7c7b\u578b\u65b9\u6cd5\u7684\u8f6c\u6362\u652f\u6301<\/strong>,\u5728 go \u8bed\u8a00\u4e2d\uff0c\u65b9\u6cd5\u7684\u63a5\u6536\u8005\u7c7b\u578b\u53ef\u4ee5\u662f\u666e\u901a\u7c7b\u578b\u6216\u6307\u9488\u7c7b\u578b\u3002\u5f53\u63a5\u6536\u8005\u7c7b\u578b\u4e3a\u666e\u901a\u7c7b\u578b\u65f6\uff0c\u8be5\u65b9\u6cd5\u53ea\u80fd\u88ab\u8be5\u7c7b\u578b\u7684\u503c\u8c03\u7528\uff1b\u5f53\u63a5\u6536\u8005\u7c7b\u578b\u4e3a\u6307\u9488\u7c7b\u578b\u65f6\uff0c\u8be5\u65b9\u6cd5\u53ef\u4ee5\u88ab\u8be5\u7c7b\u578b\u7684\u503c\u6216\u6307\u9488\u8c03\u7528\u3002,\u4ee5\u524d\uff0c\u76f4\u63a5\u4f7f\u7528\u5b57\u9762\u503c\u6216\u672a\u53d6\u5730\u5740\u7684\u53d8\u91cf\u8c03\u7528\u63a5\u6536\u6307\u9488\u7c7b\u578b\u7684\u65b9\u6cd5\u662f\u4e0d\u884c\u7684\u3002\u7136\u800c\uff0c\u4ece<br \/>\n<strong>\u6240\u6709\u7248\u672c<\/strong> \u5f00\u59cb\uff0cgo \u8bed\u8a00\u90fd\u5f15\u5165\u4e86\u9690\u5f0f\u8f6c\u6362\u673a\u5236\uff0c\u5141\u8bb8\u5c06\u503c\u7c7b\u578b\u8f6c\u6362\u4e3a\u6307\u9488\u7c7b\u578b\uff0c\u4ee5\u4fbf\u53ef\u4ee5\u4f7f\u7528\u6307\u9488\u8c03\u7528\u65b9\u6cd5\u3002,\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u5728\u6240\u6709 go \u7248\u672c\u4e2d\u90fd\u53ef\u4ee5\u901a\u8fc7\u7f16\u8bd1\uff1a,\u8f93\u51fa\uff1a,\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cf1 \u662f\u4e00\u4e2a\u503c\u7c7b\u578b\u7684 foo \u53d8\u91cf\uff0c\u4f46\u5b83\u88ab\u9690\u5f0f\u8f6c\u6362\u4e3a\u6307\u9488\u7c7b\u578b *foo\uff0c\u4ece\u800c\u80fd\u591f\u8c03\u7528\u63a5\u6536\u6307\u9488\u7c7b\u578b\u7684\u65b9\u6cd5 print()\u3002,\u9700\u8981\u6307\u51fa\u7684\u662f\uff0c\u8fd9\u79cd\u9690\u5f0f\u8f6c\u6362\u673a\u5236\u4ec5\u9002\u7528\u4e8e\u901a\u8fc7\u4e2d\u95f4\u53d8\u91cf\u6216\u63a5\u53e3\u8c03\u7528\u65b9\u6cd5\u7684\u60c5\u51b5\u3002\u76f4\u63a5\u4f7f\u7528\u5b57\u9762\u91cf\u6216\u672a\u53d6\u5730\u5740\u7684\u53d8\u91cf\u8c03\u7528\u63a5\u6536\u6307\u9488\u7c7b\u578b\u7684\u65b9\u6cd5\u4ecd\u7136\u662f\u4e0d\u5141\u8bb8\u7684\u3002,\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aGo \u4e2d\u7ed3\u6784\u4f53\u5bf9\u8c61\u5982\u4f55\u8c03\u7528\u63a5\u6536\u6307\u9488\u7c7b\u578b\u7684\u65b9\u6cd5\uff1f\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,go \u4e2d\u7ed3\u6784\u4f53\u5bf9\u8c61\u8c03\u7528\u63a5\u6536\u6307\u9488\u7c7b\u578b\u65b9\u6cd5\u7684\u8f6c\u6362\u652f\u6301,\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\u300aGo \u4e2d\u7ed3\u6784\u4f53\u5bf9\u8c61\u5982\u4f55\u8c03\u7528\u63a5\u6536\u6307\u9488\u7c7b\u578b\u7684\u65b9\u6cd5\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~,<br \/>\n<b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span> <span>Go \u4e2d\u7ed3\u6784\u4f53\u5bf9\u8c61\u5982\u4f55\u8c03\u7528\u63a5\u6536\u6307\u9488\u7c7b\u578b\u7684\u65b9\u6cd5\uff1f<\/span><\/p>\n<h1>Go \u4e2d\u7ed3\u6784\u4f53\u5bf9\u8c61\u5982\u4f55\u8c03\u7528\u63a5\u6536\u6307\u9488\u7c7b\u578b\u7684\u65b9\u6cd5\uff1f<\/h1>\n<p><span>2024-11-12 16:22:04<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\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\u300aGo \u4e2d\u7ed3\u6784\u4f53\u5bf9\u8c61\u5982\u4f55\u8c03\u7528\u63a5\u6536\u6307\u9488\u7c7b\u578b\u7684\u65b9\u6cd5\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<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241112\/17313997086733101c340e6.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>go \u4e2d\u7ed3\u6784\u4f53\u5bf9\u8c61\u8c03\u7528\u63a5\u6536\u6307\u9488\u7c7b\u578b\u65b9\u6cd5\u7684\u8f6c\u6362\u652f\u6301<\/strong><\/p>\n<p>\u5728 go \u8bed\u8a00\u4e2d\uff0c\u65b9\u6cd5\u7684\u63a5\u6536\u8005\u7c7b\u578b\u53ef\u4ee5\u662f\u666e\u901a\u7c7b\u578b\u6216\u6307\u9488\u7c7b\u578b\u3002\u5f53\u63a5\u6536\u8005\u7c7b\u578b\u4e3a\u666e\u901a\u7c7b\u578b\u65f6\uff0c\u8be5\u65b9\u6cd5\u53ea\u80fd\u88ab\u8be5\u7c7b\u578b\u7684\u503c\u8c03\u7528\uff1b\u5f53\u63a5\u6536\u8005\u7c7b\u578b\u4e3a\u6307\u9488\u7c7b\u578b\u65f6\uff0c\u8be5\u65b9\u6cd5\u53ef\u4ee5\u88ab\u8be5\u7c7b\u578b\u7684\u503c\u6216\u6307\u9488\u8c03\u7528\u3002<\/p>\n<p>\u4ee5\u524d\uff0c\u76f4\u63a5\u4f7f\u7528\u5b57\u9762\u503c\u6216\u672a\u53d6\u5730\u5740\u7684\u53d8\u91cf\u8c03\u7528\u63a5\u6536\u6307\u9488\u7c7b\u578b\u7684\u65b9\u6cd5\u662f\u4e0d\u884c\u7684\u3002\u7136\u800c\uff0c\u4ece <strong>\u6240\u6709\u7248\u672c<\/strong> \u5f00\u59cb\uff0cgo \u8bed\u8a00\u90fd\u5f15\u5165\u4e86\u9690\u5f0f\u8f6c\u6362\u673a\u5236\uff0c\u5141\u8bb8\u5c06\u503c\u7c7b\u578b\u8f6c\u6362\u4e3a\u6307\u9488\u7c7b\u578b\uff0c\u4ee5\u4fbf\u53ef\u4ee5\u4f7f\u7528\u6307\u9488\u8c03\u7528\u65b9\u6cd5\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u5728\u6240\u6709 go \u7248\u672c\u4e2d\u90fd\u53ef\u4ee5\u901a\u8fc7\u7f16\u8bd1\uff1a<\/p>\n<pre>package main\n\nimport \"fmt\"\n\ntype printer interface {\n    print()\n}\n\ntype foo struct {\n    i int\n}\n\nfunc (f *foo) print() {\n    f.i = 2\n    fmt.println(f)\n}\n\nfunc main() {\n    f1 := foo{}\n    var f2 any = f1\n    if _, ok := f2.(printer); ok {\n        fmt.println(\"ok\")\n    }\n    f1.print()\n    fmt.println(f1)\n}<\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>OK\n{2}\n{2}<\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cf1 \u662f\u4e00\u4e2a\u503c\u7c7b\u578b\u7684 foo \u53d8\u91cf\uff0c\u4f46\u5b83\u88ab\u9690\u5f0f\u8f6c\u6362\u4e3a\u6307\u9488\u7c7b\u578b *foo\uff0c\u4ece\u800c\u80fd\u591f\u8c03\u7528\u63a5\u6536\u6307\u9488\u7c7b\u578b\u7684\u65b9\u6cd5 print()\u3002<\/p>\n<p>\u9700\u8981\u6307\u51fa\u7684\u662f\uff0c\u8fd9\u79cd\u9690\u5f0f\u8f6c\u6362\u673a\u5236\u4ec5\u9002\u7528\u4e8e\u901a\u8fc7\u4e2d\u95f4\u53d8\u91cf\u6216\u63a5\u53e3\u8c03\u7528\u65b9\u6cd5\u7684\u60c5\u51b5\u3002\u76f4\u63a5\u4f7f\u7528\u5b57\u9762\u91cf\u6216\u672a\u53d6\u5730\u5740\u7684\u53d8\u91cf\u8c03\u7528\u63a5\u6536\u6307\u9488\u7c7b\u578b\u7684\u65b9\u6cd5\u4ecd\u7136\u662f\u4e0d\u5141\u8bb8\u7684\u3002<\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aGo \u4e2d\u7ed3\u6784\u4f53\u5bf9\u8c61\u5982\u4f55\u8c03\u7528\u63a5\u6536\u6307\u9488\u7c7b\u578b\u7684\u65b9\u6cd5\uff1f\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<dl>\n<dt>\n <\/dt>\n<dd>\n   JPA\u4fdd\u5b58\u5b9e\u4f53\u62a5\u9519Column cannot be null\uff0c\u5373\u4f7f\u6570\u636e\u5e93\u6709\u9ed8\u8ba4\u503c\u600e\u4e48\u529e\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   JTabbedPane \u7684 add() \u548c addTab() \u65b9\u6cd5\u6709\u4f55\u533a\u522b\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728G&#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-206460","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206460","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=206460"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206460\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206460"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206460"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206460"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}