{"id":206675,"date":"2025-06-12T12:30:23","date_gmt":"2025-06-12T04:30:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206675\/"},"modified":"2025-06-12T12:30:23","modified_gmt":"2025-06-12T04:30:23","slug":"go-%e8%af%ad%e8%a8%80%e4%b8%ad%ef%bc%8c%e7%b1%bb%e5%9e%8b%e8%bd%ac%e6%8d%a2%e5%a6%82%e4%bd%95%e5%b8%ae%e5%8a%a9%e6%a3%80%e6%b5%8b%e7%bb%93%e6%9e%84%e4%bd%93%e6%98%af%e5%90%a6%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206675\/","title":{"rendered":"Go \u8bed\u8a00\u4e2d\uff0c\u7c7b\u578b\u8f6c\u6362\u5982\u4f55\u5e2e\u52a9\u68c0\u6d4b\u7ed3\u6784\u4f53\u662f\u5426\u5b9e\u73b0\u4e86\u63a5\u53e3\uff1f"},"content":{"rendered":"<p>\u5c0f\u4f19\u4f34\u4eec\u5bf9GOLANG\u7f16\u7a0b\u611f\u5174\u8da3\u5417\uff1f\u662f\u5426\u6b63\u5728\u5b66\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff1f\u5982\u679c\u662f\uff0c\u90a3\u4e48\u672c\u6587\u300aGo \u8bed\u8a00\u4e2d\uff0c\u7c7b\u578b\u8f6c\u6362\u5982\u4f55\u5e2e\u52a9\u68c0\u6d4b\u7ed3\u6784\u4f53\u662f\u5426\u5b9e\u73b0\u4e86\u63a5\u53e3\uff1f\u300b\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff0c\u672c\u7bc7\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\u3002\u5728\u4e4b\u540e\u7684\u6587\u7ae0\u4e2d\u4e5f\u4f1a\u591a\u591a\u5206\u4eab\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff01,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241119\/1731975025673bd7710b140.jpg\" class=\"aligncenter\">,<br \/>\n<strong>\u7c7b\u578b\u8f6c\u6362\u5728\u63a5\u53e3\u5b9e\u73b0\u68c0\u6d4b\u4e2d\u7684\u5e94\u7528<\/strong>,\u5728\u4f7f\u7528 go \u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u5982\u4e0b\u4ee3\u7801\uff1a,\u6b64\u5904\uff0c\u4f60\u9700\u8981\u7406\u89e3\u7c7b\u578b\u8f6c\u6362\u5728\u63a5\u53e3\u5b9e\u73b0\u68c0\u6d4b\u4e2d\u7684\u4f5c\u7528\u3002,<br \/>\n<strong>\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362<\/strong>,\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u662f\u4e00\u79cd\u8bed\u6cd5\u7279\u6027\uff0c\u5141\u8bb8\u5c06\u4e00\u4e2a\u53d8\u91cf\u4ece\u4e00\u79cd\u7c7b\u578b\u8f6c\u6362\u4e3a\u53e6\u4e00\u79cd\u7c7b\u578b\u3002\u5b83\u901a\u8fc7\u5c06\u4e00\u4e2a\u53d8\u91cf\u7684\u7c7b\u578b\u8f6c\u6362\u4e3a\u53e6\u4e00\u4e2a\u7c7b\u578b\u6765\u4fee\u6539\u53d8\u91cf\u7684\u7c7b\u578b\uff0c\u800c\u53d8\u91cf\u7684\u5730\u5740\u4fdd\u6301\u4e0d\u53d8\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u5c06\u53d8\u91cf i \u7684\u7c7b\u578b\u4ece int \u8f6c\u6362\u4e3a float64\uff1a,<br \/>\n<strong>nil \u503c<\/strong>,nil \u503c\u8868\u793a\u4e00\u4e2a\u7a7a\u6307\u9488\uff0c\u5373\u5730\u5740\u4e3a 0 \u7684\u6307\u9488\u53d8\u91cf\u3002\u5f53\u5c06 nil \u503c\u8f6c\u6362\u4e3a\u53e6\u4e00\u4e2a\u7c7b\u578b\u65f6\uff0c\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u4e0d\u4f1a\u6539\u53d8\u5730\u5740\uff0c\u800c\u662f\u5c06\u7c7b\u578b\u66f4\u6539\u4e3a\u76ee\u6807\u7c7b\u578b\u3002\u4f8b\u5982\uff1a,<br \/>\n<strong>\u63a5\u53e3\u5b9e\u73b0\u68c0\u6d4b<\/strong>,go \u8bed\u8a00\u4e2d\uff0c\u63a5\u53e3\u662f\u4e00\u79cd\u7c7b\u578b\uff0c\u5b83\u5b9a\u4e49\u4e86\u4e00\u7ec4\u65b9\u6cd5\u3002\u8981\u5224\u65ad\u4e00\u4e2a struct \u662f\u5426\u5b9e\u73b0\u4e86\u67d0\u4e2a\u63a5\u53e3\uff0c\u53ef\u4ee5\u4f7f\u7528\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u8bed\u6cd5\u3002\u4f8b\u5982\uff1a,\u4e0a\u8ff0\u4ee3\u7801\u5c06 mystruct \u7684\u7c7b\u578b\u5f3a\u5236\u8f6c\u6362\u4e3a myinterface\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9 nil\u3002\u5982\u679c mystruct \u5b9e\u73b0\u4e86 myinterface\uff0c\u4e0d\u4f1a\u51fa\u73b0\u7f16\u8bd1\u9519\u8bef\uff0c\u8fd9\u662f\u56e0\u4e3a nil \u503c\u662f\u7a7a\u6307\u9488\uff0c\u5730\u5740\u4e3a 0\uff0c\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u4e0d\u4f1a\u6539\u53d8\u5730\u5740\uff0c\u53ea\u4f1a\u4fee\u6539\u7c7b\u578b\u3002\u5982\u679c mystruct \u6ca1\u6709\u5b9e\u73b0 myinterface\uff0c\u7f16\u8bd1\u5668\u4f1a\u62a5\u7c7b\u578b\u4e0d\u5339\u914d\u7684\u9519\u8bef\u3002,\u56e0\u6b64\uff0c\u901a\u8fc7\u7ed3\u5408 nil \u503c\u548c\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\uff0c\u53ef\u4ee5\u5b9e\u73b0\u7f16\u8bd1\u671f\u95f4\u68c0\u6d4b struct \u662f\u5426\u5b9e\u73b0\u4e86\u63a5\u53e3\u7684\u76ee\u7684\u3002,\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aGo \u8bed\u8a00\u4e2d\uff0c\u7c7b\u578b\u8f6c\u6362\u5982\u4f55\u5e2e\u52a9\u68c0\u6d4b\u7ed3\u6784\u4f53\u662f\u5426\u5b9e\u73b0\u4e86\u63a5\u53e3\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002,\u7c7b\u578b\u8f6c\u6362\u5728\u63a5\u53e3\u5b9e\u73b0\u68c0\u6d4b\u4e2d\u7684\u5e94\u7528,\u5c0f\u4f19\u4f34\u4eec\u5bf9GOLANG\u7f16\u7a0b\u611f\u5174\u8da3\u5417\uff1f\u662f\u5426\u6b63\u5728\u5b66\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff1f\u5982\u679c\u662f\uff0c\u90a3\u4e48\u672c\u6587\u300aGo \u8bed\u8a00\u4e2d\uff0c\u7c7b\u578b\u8f6c\u6362\u5982\u4f55\u5e2e\u52a9\u68c0\u6d4b\u7ed3\u6784\u4f53\u662f\u5426\u5b9e\u73b0\u4e86\u63a5\u53e3\uff1f\u300b\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff0c\u672c\u7bc7\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\u3002\u5728\u4e4b\u540e\u7684\u6587\u7ae0\u4e2d\u4e5f\u4f1a\u591a\u591a\u5206\u4eab\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff01,<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 \u8bed\u8a00\u4e2d\uff0c\u7c7b\u578b\u8f6c\u6362\u5982\u4f55\u5e2e\u52a9\u68c0\u6d4b\u7ed3\u6784\u4f53\u662f\u5426\u5b9e\u73b0\u4e86\u63a5\u53e3\uff1f<\/span><\/p>\n<h1>Go \u8bed\u8a00\u4e2d\uff0c\u7c7b\u578b\u8f6c\u6362\u5982\u4f55\u5e2e\u52a9\u68c0\u6d4b\u7ed3\u6784\u4f53\u662f\u5426\u5b9e\u73b0\u4e86\u63a5\u53e3\uff1f<\/h1>\n<p><span>2024-11-19 08:10:41<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u5c0f\u4f19\u4f34\u4eec\u5bf9GOLANG\u7f16\u7a0b\u611f\u5174\u8da3\u5417\uff1f\u662f\u5426\u6b63\u5728\u5b66\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff1f\u5982\u679c\u662f\uff0c\u90a3\u4e48\u672c\u6587\u300aGo \u8bed\u8a00\u4e2d\uff0c\u7c7b\u578b\u8f6c\u6362\u5982\u4f55\u5e2e\u52a9\u68c0\u6d4b\u7ed3\u6784\u4f53\u662f\u5426\u5b9e\u73b0\u4e86\u63a5\u53e3\uff1f\u300b\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff0c\u672c\u7bc7\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\u3002\u5728\u4e4b\u540e\u7684\u6587\u7ae0\u4e2d\u4e5f\u4f1a\u591a\u591a\u5206\u4eab\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241119\/1731975025673bd7710b140.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u7c7b\u578b\u8f6c\u6362\u5728\u63a5\u53e3\u5b9e\u73b0\u68c0\u6d4b\u4e2d\u7684\u5e94\u7528<\/strong><\/p>\n<p>\u5728\u4f7f\u7528 go \u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>var (\n_ error = (*_error)(nil)\n_ fmt.stringer = (*_error)(nil)\n)<\/pre>\n<p>\u6b64\u5904\uff0c\u4f60\u9700\u8981\u7406\u89e3\u7c7b\u578b\u8f6c\u6362\u5728\u63a5\u53e3\u5b9e\u73b0\u68c0\u6d4b\u4e2d\u7684\u4f5c\u7528\u3002<\/p>\n<p><strong>\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362<\/strong><\/p>\n<p>\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u662f\u4e00\u79cd\u8bed\u6cd5\u7279\u6027\uff0c\u5141\u8bb8\u5c06\u4e00\u4e2a\u53d8\u91cf\u4ece\u4e00\u79cd\u7c7b\u578b\u8f6c\u6362\u4e3a\u53e6\u4e00\u79cd\u7c7b\u578b\u3002\u5b83\u901a\u8fc7\u5c06\u4e00\u4e2a\u53d8\u91cf\u7684\u7c7b\u578b\u8f6c\u6362\u4e3a\u53e6\u4e00\u4e2a\u7c7b\u578b\u6765\u4fee\u6539\u53d8\u91cf\u7684\u7c7b\u578b\uff0c\u800c\u53d8\u91cf\u7684\u5730\u5740\u4fdd\u6301\u4e0d\u53d8\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u5c06\u53d8\u91cf i \u7684\u7c7b\u578b\u4ece int \u8f6c\u6362\u4e3a float64\uff1a<\/p>\n<pre>i := 10\nf := float64(i) \/\/ \u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u5c06 i \u8f6c\u6362\u4e3a float64<\/pre>\n<p><strong>nil \u503c<\/strong><\/p>\n<p>nil \u503c\u8868\u793a\u4e00\u4e2a\u7a7a\u6307\u9488\uff0c\u5373\u5730\u5740\u4e3a 0 \u7684\u6307\u9488\u53d8\u91cf\u3002\u5f53\u5c06 nil \u503c\u8f6c\u6362\u4e3a\u53e6\u4e00\u4e2a\u7c7b\u578b\u65f6\uff0c\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u4e0d\u4f1a\u6539\u53d8\u5730\u5740\uff0c\u800c\u662f\u5c06\u7c7b\u578b\u66f4\u6539\u4e3a\u76ee\u6807\u7c7b\u578b\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>var i *int \/\/ \u6307\u5411 int \u7684\u6307\u9488\u53d8\u91cf\nf := float64(i) \/\/ \u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u5c06 i \u8f6c\u6362\u4e3a float64\uff0c\u4f46\u503c\u4ecd\u7136\u4e3a\u7a7a<\/pre>\n<p><strong>\u63a5\u53e3\u5b9e\u73b0\u68c0\u6d4b<\/strong><\/p>\n<p>go \u8bed\u8a00\u4e2d\uff0c\u63a5\u53e3\u662f\u4e00\u79cd\u7c7b\u578b\uff0c\u5b83\u5b9a\u4e49\u4e86\u4e00\u7ec4\u65b9\u6cd5\u3002\u8981\u5224\u65ad\u4e00\u4e2a struct \u662f\u5426\u5b9e\u73b0\u4e86\u67d0\u4e2a\u63a5\u53e3\uff0c\u53ef\u4ee5\u4f7f\u7528\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u8bed\u6cd5\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>type MyInterface interface {\n    Method1()\n}\n\ntype MyStruct struct {\n    \/\/ ...\n}\n\n\/\/ \u5224\u65ad MyStruct \u662f\u5426\u5b9e\u73b0\u4e86 MyInterface\nvar _ MyInterface = (*MyStruct)(nil)<\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u7801\u5c06 mystruct \u7684\u7c7b\u578b\u5f3a\u5236\u8f6c\u6362\u4e3a myinterface\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9 nil\u3002\u5982\u679c mystruct \u5b9e\u73b0\u4e86 myinterface\uff0c\u4e0d\u4f1a\u51fa\u73b0\u7f16\u8bd1\u9519\u8bef\uff0c\u8fd9\u662f\u56e0\u4e3a nil \u503c\u662f\u7a7a\u6307\u9488\uff0c\u5730\u5740\u4e3a 0\uff0c\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u4e0d\u4f1a\u6539\u53d8\u5730\u5740\uff0c\u53ea\u4f1a\u4fee\u6539\u7c7b\u578b\u3002\u5982\u679c mystruct \u6ca1\u6709\u5b9e\u73b0 myinterface\uff0c\u7f16\u8bd1\u5668\u4f1a\u62a5\u7c7b\u578b\u4e0d\u5339\u914d\u7684\u9519\u8bef\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u901a\u8fc7\u7ed3\u5408 nil \u503c\u548c\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\uff0c\u53ef\u4ee5\u5b9e\u73b0\u7f16\u8bd1\u671f\u95f4\u68c0\u6d4b struct \u662f\u5426\u5b9e\u73b0\u4e86\u63a5\u53e3\u7684\u76ee\u7684\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aGo \u8bed\u8a00\u4e2d\uff0c\u7c7b\u578b\u8f6c\u6362\u5982\u4f55\u5e2e\u52a9\u68c0\u6d4b\u7ed3\u6784\u4f53\u662f\u5426\u5b9e\u73b0\u4e86\u63a5\u53e3\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u5728Word\u6587\u6863\u4e2d\u63d2\u5165\u8d85\u94fe\u63a5\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u7535\u8111\u8fd0\u884c\u8f6f\u4ef6\u5c31\u5361\u6b7b\n 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