{"id":205850,"date":"2025-06-12T08:49:17","date_gmt":"2025-06-12T00:49:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205850\/"},"modified":"2025-06-12T08:49:17","modified_gmt":"2025-06-12T00:49:17","slug":"%e6%98%af%e5%90%a6%e5%8f%af%e4%bb%a5%e9%80%9a%e8%bf%87%e5%8f%8d%e5%b0%84%e6%9c%ba%e5%88%b6%e5%ae%9e%e7%8e%b0-golang-%e4%b8%ad%e7%9a%84%e5%87%bd%e6%95%b0%e9%87%8d%e8%bd%bd%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205850\/","title":{"rendered":"\u662f\u5426\u53ef\u4ee5\u901a\u8fc7\u53cd\u5c04\u673a\u5236\u5b9e\u73b0 Golang \u4e2d\u7684\u51fd\u6570\u91cd\u8f7d\uff1f"},"content":{"rendered":"

\u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60GOLANG<\/span>\uff0c\u90a3\u4e48\u672c\u6587\u300a\u662f\u5426\u53ef\u4ee5\u901a\u8fc7\u53cd\u5c04\u673a\u5236\u5b9e\u73b0 GOLANG \u4e2d\u7684\u51fd\u6570\u91cd\u8f7d\uff1f\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>,\u5728 Go \u8bed\u8a00\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u53cd\u5c04\u673a\u5236\u6a21\u62df\u51fd\u6570\u91cd\u8f7d\uff0c\u65b9\u6cd5\u5982\u4e0b\uff1a\u4f7f\u7528 reflect.TypeOf() \u65b9\u6cd5\u83b7\u53d6\u7c7b\u578b\u4fe1\u606f\u3002\u4f7f\u7528 reflect.MethodByName() \u65b9\u6cd5\u67e5\u627e\u5177\u6709\u7279\u5b9a\u540d\u79f0\u7684\u65b9\u6cd5\u3002\u4f7f\u7528 reflect.ValueOf() \u65b9\u6cd5\u5c06\u503c\u8f6c\u6362\u4e3a\u53cd\u5c04\u503c\u3002\u4f7f\u7528 reflect.Func.Call() \u65b9\u6cd5\u8c03\u7528\u65b9\u6cd5\u5e76\u8fd4\u56de\u7ed3\u679c\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u5177\u6709\u76f8\u540c\u540d\u79f0\u4f46\u4e0d\u540c\u53c2\u6570\u5217\u8868\u7684\u51fd\u6570\uff0c\u7c7b\u4f3c\u4e8e\u51fd\u6570\u91cd\u8f7d\u3002,
\n,
\n\u4f7f\u7528\u53cd\u5c04\u5b9e\u73b0 GOLANG \u51fd\u6570\u91cd\u8f7d<\/strong>,\u5728 Go \u8bed\u8a00\u4e2d\uff0c\u51fd\u6570\u91cd\u8f7d\uff08\u5373\u5177\u6709\u76f8\u540c\u540d\u79f0\u4f46\u4e0d\u540c\u53c2\u6570\u5217\u8868\u7684\u51fd\u6570\uff09\u4e0d\u662f\u76f4\u63a5\u652f\u6301\u7684\u3002\u4f46\u662f\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u53cd\u5c04\u673a\u5236\u6765\u6a21\u62df\u51fd\u6570\u91cd\u8f7d\u7684\u884c\u4e3a\u3002,
\n\u53cd\u5c04\u673a\u5236<\/strong>,\u53cd\u5c04\u5141\u8bb8\u7a0b\u5e8f\u5728\u8fd0\u884c\u65f6\u68c0\u67e5\u548c\u4fee\u6539\u7a0b\u5e8f\u672c\u8eab\u3002\u53cd\u5c04\u7684
\nreflect<\/code> \u5305\u63d0\u4f9b\u4e86\u4e00\u7ec4\u65b9\u6cd5\u6765\u8bbf\u95ee\u548c\u64cd\u4f5c\u7c7b\u578b\u548c\u503c\u3002,
\n\u5b9e\u73b0\u51fd\u6570\u91cd\u8f7d<\/strong>,\u4e3a\u4e86\u5b9e\u73b0\u51fd\u6570\u91cd\u8f7d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u53cd\u5c04\u6765\u52a8\u6001\u67e5\u627e\u5177\u6709\u7279\u5b9a\u7b7e\u540d\u7684\u65b9\u6cd5\u3002,
\n\u5b9e\u6218\u6848\u4f8b<\/strong>,\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a
\nShape<\/code> \u63a5\u53e3\uff0c\u5b83\u58f0\u660e\u4e86\u4e00\u4e2a
\nArea()<\/code> \u65b9\u6cd5\u6765\u8ba1\u7b97\u5f62\u72b6\u7684\u9762\u79ef\u3002\u6211\u4eec\u5b9a\u4e49\u4e86
\nSquare<\/code> \u548c
\nCircle<\/code> \u7c7b\u578b\u6765\u5b9e\u73b0
\nShape<\/code> \u63a5\u53e3\u3002,\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528
\nCalculateArea()<\/code> \u51fd\u6570\u6765\u8ba1\u7b97\u4efb\u4f55\u5b9e\u73b0
\nShape<\/code> \u63a5\u53e3\u7684\u5f62\u72b6\u7684\u9762\u79ef\u3002\u8be5\u51fd\u6570\u4f7f\u7528\u53cd\u5c04\u6765\u67e5\u627e\u5177\u6709\u540d\u79f0\u4e3a “Area” \u7684\u65b9\u6cd5\uff0c\u5e76\u8c03\u7528\u8be5\u65b9\u6cd5\u6765\u8ba1\u7b97\u9762\u79ef\u3002,\u8fd9\u4e2a\u4f8b\u5b50\u6f14\u793a\u4e86\u5982\u4f55\u5728 Go \u4e2d\u4f7f\u7528\u53cd\u5c04\u6765\u6a21\u62df\u51fd\u6570\u91cd\u8f7d\uff0c\u4ece\u800c\u4e3a\u5177\u6709\u4e0d\u540c\u53c2\u6570\u5217\u8868\u7684\u5177\u6709\u76f8\u540c\u540d\u79f0\u7684\u51fd\u6570\u63d0\u4f9b\u7c7b\u4f3c\u91cd\u8f7d\u7684\u884c\u4e3a\u3002,\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u662f\u5426\u53ef\u4ee5\u901a\u8fc7\u53cd\u5c04\u673a\u5236\u5b9e\u73b0 GOLANG \u4e2d\u7684\u51fd\u6570\u91cd\u8f7d\uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u5427\uff01,
\n\u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60GOLANG<\/span>\uff0c\u90a3\u4e48\u672c\u6587\u300a\u662f\u5426\u53ef\u4ee5\u901a\u8fc7\u53cd\u5c04\u673a\u5236\u5b9e\u73b0 GOLANG \u4e2d\u7684\u51fd\u6570\u91cd\u8f7d\uff1f\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> \u662f\u5426\u53ef\u4ee5\u901a\u8fc7\u53cd\u5c04\u673a\u5236\u5b9e\u73b0 GOLANG \u4e2d\u7684\u51fd\u6570\u91cd\u8f7d\uff1f<\/span><\/p>\n

\u662f\u5426\u53ef\u4ee5\u901a\u8fc7\u53cd\u5c04\u673a\u5236\u5b9e\u73b0 GOLANG \u4e2d\u7684\u51fd\u6570\u91cd\u8f7d\uff1f<\/h1>\n

2024-10-27 16:39:58<\/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\u300a\u662f\u5426\u53ef\u4ee5\u901a\u8fc7\u53cd\u5c04\u673a\u5236\u5b9e\u73b0 GOLANG \u4e2d\u7684\u51fd\u6570\u91cd\u8f7d\uff1f\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

\u5728 Go \u8bed\u8a00\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u53cd\u5c04\u673a\u5236\u6a21\u62df\u51fd\u6570\u91cd\u8f7d\uff0c\u65b9\u6cd5\u5982\u4e0b\uff1a\u4f7f\u7528 reflect.TypeOf() \u65b9\u6cd5\u83b7\u53d6\u7c7b\u578b\u4fe1\u606f\u3002\u4f7f\u7528 reflect.MethodByName() \u65b9\u6cd5\u67e5\u627e\u5177\u6709\u7279\u5b9a\u540d\u79f0\u7684\u65b9\u6cd5\u3002\u4f7f\u7528 reflect.ValueOf() \u65b9\u6cd5\u5c06\u503c\u8f6c\u6362\u4e3a\u53cd\u5c04\u503c\u3002\u4f7f\u7528 reflect.Func.Call() \u65b9\u6cd5\u8c03\u7528\u65b9\u6cd5\u5e76\u8fd4\u56de\u7ed3\u679c\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u5177\u6709\u76f8\u540c\u540d\u79f0\u4f46\u4e0d\u540c\u53c2\u6570\u5217\u8868\u7684\u51fd\u6570\uff0c\u7c7b\u4f3c\u4e8e\u51fd\u6570\u91cd\u8f7d\u3002<\/p>\n

<\/p>\n

\u4f7f\u7528\u53cd\u5c04\u5b9e\u73b0 GOLANG \u51fd\u6570\u91cd\u8f7d<\/strong><\/p>\n

\u5728 Go \u8bed\u8a00\u4e2d\uff0c\u51fd\u6570\u91cd\u8f7d\uff08\u5373\u5177\u6709\u76f8\u540c\u540d\u79f0\u4f46\u4e0d\u540c\u53c2\u6570\u5217\u8868\u7684\u51fd\u6570\uff09\u4e0d\u662f\u76f4\u63a5\u652f\u6301\u7684\u3002\u4f46\u662f\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u53cd\u5c04\u673a\u5236\u6765\u6a21\u62df\u51fd\u6570\u91cd\u8f7d\u7684\u884c\u4e3a\u3002<\/p>\n

\u53cd\u5c04\u673a\u5236<\/strong><\/p>\n

\u53cd\u5c04\u5141\u8bb8\u7a0b\u5e8f\u5728\u8fd0\u884c\u65f6\u68c0\u67e5\u548c\u4fee\u6539\u7a0b\u5e8f\u672c\u8eab\u3002\u53cd\u5c04\u7684 reflect<\/code> \u5305\u63d0\u4f9b\u4e86\u4e00\u7ec4\u65b9\u6cd5\u6765\u8bbf\u95ee\u548c\u64cd\u4f5c\u7c7b\u578b\u548c\u503c\u3002<\/p>\n

\u5b9e\u73b0\u51fd\u6570\u91cd\u8f7d<\/strong><\/p>\n

\u4e3a\u4e86\u5b9e\u73b0\u51fd\u6570\u91cd\u8f7d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u53cd\u5c04\u6765\u52a8\u6001\u67e5\u627e\u5177\u6709\u7279\u5b9a\u7b7e\u540d\u7684\u65b9\u6cd5\u3002<\/p>\n

package main\n\nimport \"fmt\"\nimport \"reflect\"\n\ntype Shape interface {\n    Area() float64\n}\n\ntype Square struct {\n    side float64\n}\n\nfunc (s *Square) Area() float64 {\n    return s.side * s.side\n}\n\ntype Circle struct {\n    radius float64\n}\n\nfunc (c *Circle) Area() float64 {\n    return math.Pi * c.radius * c.radius\n}\n\nfunc CalculateArea(shape Shape) float64 {\n    t := reflect.TypeOf(shape)\n    if areaMethod, ok := t.MethodByName(\"Area\"); ok {\n        args := []reflect.Value{reflect.ValueOf(shape)}\n        return areaMethod.Func.Call(args)[0].Float()\n    }\n    return 0\n}\n\nfunc main() {\n    square := Square{5.0}\n    circle := Circle{3.0}\n\n    fmt.Println(\"Square Area:\", CalculateArea(&square))\n    fmt.Println(\"Circle Area:\", CalculateArea(&circle))\n}<\/pre>\n
\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a Shape<\/code> \u63a5\u53e3\uff0c\u5b83\u58f0\u660e\u4e86\u4e00\u4e2a Area()<\/code> \u65b9\u6cd5\u6765\u8ba1\u7b97\u5f62\u72b6\u7684\u9762\u79ef\u3002\u6211\u4eec\u5b9a\u4e49\u4e86 Square<\/code> \u548c Circle<\/code> \u7c7b\u578b\u6765\u5b9e\u73b0 Shape<\/code> \u63a5\u53e3\u3002<\/p>\n
\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528 CalculateArea()<\/code> \u51fd\u6570\u6765\u8ba1\u7b97\u4efb\u4f55\u5b9e\u73b0 Shape<\/code> \u63a5\u53e3\u7684\u5f62\u72b6\u7684\u9762\u79ef\u3002\u8be5\u51fd\u6570\u4f7f\u7528\u53cd\u5c04\u6765\u67e5\u627e\u5177\u6709\u540d\u79f0\u4e3a “Area” \u7684\u65b9\u6cd5\uff0c\u5e76\u8c03\u7528\u8be5\u65b9\u6cd5\u6765\u8ba1\u7b97\u9762\u79ef\u3002<\/p>\n
\u8fd9\u4e2a\u4f8b\u5b50\u6f14\u793a\u4e86\u5982\u4f55\u5728 Go \u4e2d\u4f7f\u7528\u53cd\u5c04\u6765\u6a21\u62df\u51fd\u6570\u91cd\u8f7d\uff0c\u4ece\u800c\u4e3a\u5177\u6709\u4e0d\u540c\u53c2\u6570\u5217\u8868\u7684\u5177\u6709\u76f8\u540c\u540d\u79f0\u7684\u51fd\u6570\u63d0\u4f9b\u7c7b\u4f3c\u91cd\u8f7d\u7684\u884c\u4e3a\u3002<\/p>\n
\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u662f\u5426\u53ef\u4ee5\u901a\u8fc7\u53cd\u5c04\u673a\u5236\u5b9e\u73b0 GOLANG \u4e2d\u7684\u51fd\u6570\u91cd\u8f7d\uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u5427\uff01<\/p>\n
\n
\n <\/dt>\n
\n   Java \u51fd\u6570\u4e2d\u4f7f\u7528 varargs \u53c2\u6570\u7684\u4f18\u70b9\u6709\u54ea\u4e9b\uff1f\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   GOLANG \u4f7f\u7528 MySQL \u548c Gin \u65f6\u51fa\u73b0\u5185\u5b58\u9519\u8bef\uff1a\u5173\u95ed\u8bed\u53e5\u540e\u4ecd\u4f7f\u7528\u5b83\u4f1a\u5bfc\u81f4\u4ec0\u4e48\u95ee\u9898\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-205850","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205850","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=205850"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205850\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205850"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205850"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205850"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}