{"id":205931,"date":"2025-06-12T10:45:50","date_gmt":"2025-06-12T02:45:50","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205931\/"},"modified":"2025-06-12T10:45:50","modified_gmt":"2025-06-12T02:45:50","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-go-%e6%b3%9b%e5%9e%8b%e4%b8%ad%e4%bc%a0%e9%80%92%e7%b1%bb%e5%9e%8b%e5%8f%82%e6%95%b0%e7%bb%99%e5%87%bd%e6%95%b0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205931\/","title":{"rendered":"\u5982\u4f55\u5728 Go \u6cdb\u578b\u4e2d\u4f20\u9012\u7c7b\u578b\u53c2\u6570\u7ed9\u51fd\u6570\uff1f"},"content":{"rendered":"

\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86
\n\u300a\u5982\u4f55\u5728 Go \u6cdb\u578b\u4e2d\u4f20\u9012\u7c7b\u578b\u53c2\u6570\u7ed9\u51fd\u6570\uff1f\u300b<\/span>\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9
\nGOLANG<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230
\n<\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60
\nGOLANG<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01,\u5728 Go \u6cdb\u578b\u4e2d\uff0c\u901a\u8fc7\u5728\u51fd\u6570\u7b7e\u540d\u4e2d\u4f7f\u7528\u5c16\u62ec\u53f7 <> \u6765\u4f20\u9012\u7c7b\u578b\u53c2\u6570\uff0c\u4f8b\u5982\uff1afunc MyFunc[T any](arg T) {}\u3002\u8c03\u7528\u65f6\uff0c\u6307\u5b9a\u5177\u4f53\u7684\u7c7b\u578b\u53c2\u6570\u503c\u4f5c\u4e3a\u5b9e\u53c2\uff0c\u5982\uff1aMyFunc[int](10)\u3002\u6cdb\u578b\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u52a0\u901a\u7528\uff0c\u652f\u6301\u4efb\u4f55\u7c7b\u578b\u53c2\u6570\u503c\uff0c\u5982\u6839\u636e\u7c7b\u578b\u683c\u5f0f\u5316\u503c\u7684\u51fd\u6570 FormatValue[T any](value T)\uff0c\u53ef\u7528\u4e8e\u5404\u79cd\u7c7b\u578b\uff0c\u5982\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5b57\u7b26\u4e32\u7b49\u3002,
\n,
\n\u5982\u4f55\u5728 Go \u6cdb\u578b\u4e2d\u4f20\u9012\u7c7b\u578b\u53c2\u6570\u7ed9\u51fd\u6570\uff1f<\/strong>,\u5728 Go 1.18 \u4e2d\u5f15\u5165\u6cdb\u578b\u4e4b\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f20\u9012\u7c7b\u578b\u53c2\u6570\u7ed9\u51fd\u6570\u6765\u5b9e\u73b0\u66f4\u901a\u7528\u7684\u4ee3\u7801\u3002,
\n\u8bed\u6cd5<\/strong>,\u8981\u5c06\u7c7b\u578b\u53c2\u6570\u4f20\u9012\u7ed9\u51fd\u6570\uff0c\u8bf7\u4f7f\u7528\u5c16\u62ec\u53f7
\n<><\/code> \u6307\u5b9a\u5b83\u4eec\uff0c\u5982\u4e0b\u6240\u793a\uff1a,\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c
\nT<\/code> \u662f\u4e00\u4e2a\u7c7b\u578b\u53c2\u6570\uff0c\u5b83\u53ef\u4ee5\u8868\u793a\u4efb\u4f55\u7c7b\u578b\u3002,
\n\u5b9e\u53c2<\/strong>,\u5728\u8c03\u7528\u5e26\u6709\u7c7b\u578b\u53c2\u6570\u7684\u51fd\u6570\u65f6\uff0c\u9700\u8981\u6307\u5b9a\u5177\u4f53\u7684\u7c7b\u578b\u53c2\u6570\u503c\u4f5c\u4e3a\u5b9e\u53c2\uff0c\u5982\u4e0b\u6240\u793a\uff1a,\u5728\u8be5\u793a\u4f8b\u4e2d\uff0c
\nint<\/code> \u662f\u4f20\u9012\u7ed9
\nMyFunc<\/code> \u7684\u7c7b\u578b\u53c2\u6570\u503c\u3002,
\n\u5b9e\u6218\u6848\u4f8b<\/strong>,\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u6839\u636e\u7ed9\u5b9a\u503c\u7684\u7c7b\u578b\u6765\u683c\u5f0f\u5316\u5b83\u7684\u51fd\u6570\uff1a,\u4f7f\u7528\u6cdb\u578b\uff0c\u6211\u4eec\u53ef\u4ee5\u91cd\u5199\u6b64\u51fd\u6570\u4ee5\u652f\u6301\u4efb\u4f55\u7c7b\u578b\uff1a,\u73b0\u5728\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u7c7b\u578b\u53c2\u6570\u503c\u6765\u8c03\u7528
\nFormatValue<\/code>\uff0c\u5982\u4e0b\u6240\u793a\uff1a,\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\u300a\u5982\u4f55\u5728 Go \u6cdb\u578b\u4e2d\u4f20\u9012\u7c7b\u578b\u53c2\u6570\u7ed9\u51fd\u6570\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002,\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86
\n\u300a\u5982\u4f55\u5728 Go \u6cdb\u578b\u4e2d\u4f20\u9012\u7c7b\u578b\u53c2\u6570\u7ed9\u51fd\u6570\uff1f\u300b<\/span>\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9
\nGOLANG<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230
\n<\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60
\nGOLANG<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5982\u4f55\u5728 Go \u6cdb\u578b\u4e2d\u4f20\u9012\u7c7b\u578b\u53c2\u6570\u7ed9\u51fd\u6570\uff1f<\/span><\/p>\n

\u5982\u4f55\u5728 Go \u6cdb\u578b\u4e2d\u4f20\u9012\u7c7b\u578b\u53c2\u6570\u7ed9\u51fd\u6570\uff1f<\/h1>\n

2024-10-28 13:59:02<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300a\u5982\u4f55\u5728 Go \u6cdb\u578b\u4e2d\u4f20\u9012\u7c7b\u578b\u53c2\u6570\u7ed9\u51fd\u6570\uff1f\u300b<\/span>\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9GOLANG<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60GOLANG<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01<\/p>\n

\u5728 Go \u6cdb\u578b\u4e2d\uff0c\u901a\u8fc7\u5728\u51fd\u6570\u7b7e\u540d\u4e2d\u4f7f\u7528\u5c16\u62ec\u53f7 <> \u6765\u4f20\u9012\u7c7b\u578b\u53c2\u6570\uff0c\u4f8b\u5982\uff1afunc MyFunc[T any](arg T) {}\u3002\u8c03\u7528\u65f6\uff0c\u6307\u5b9a\u5177\u4f53\u7684\u7c7b\u578b\u53c2\u6570\u503c\u4f5c\u4e3a\u5b9e\u53c2\uff0c\u5982\uff1aMyFunc[int](10)\u3002\u6cdb\u578b\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u52a0\u901a\u7528\uff0c\u652f\u6301\u4efb\u4f55\u7c7b\u578b\u53c2\u6570\u503c\uff0c\u5982\u6839\u636e\u7c7b\u578b\u683c\u5f0f\u5316\u503c\u7684\u51fd\u6570 FormatValue[T any](value T)\uff0c\u53ef\u7528\u4e8e\u5404\u79cd\u7c7b\u578b\uff0c\u5982\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5b57\u7b26\u4e32\u7b49\u3002<\/p>\n

<\/p>\n

\u5982\u4f55\u5728 Go \u6cdb\u578b\u4e2d\u4f20\u9012\u7c7b\u578b\u53c2\u6570\u7ed9\u51fd\u6570\uff1f<\/strong><\/p>\n

\u5728 Go 1.18 \u4e2d\u5f15\u5165\u6cdb\u578b\u4e4b\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f20\u9012\u7c7b\u578b\u53c2\u6570\u7ed9\u51fd\u6570\u6765\u5b9e\u73b0\u66f4\u901a\u7528\u7684\u4ee3\u7801\u3002<\/p>\n

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

\u8981\u5c06\u7c7b\u578b\u53c2\u6570\u4f20\u9012\u7ed9\u51fd\u6570\uff0c\u8bf7\u4f7f\u7528\u5c16\u62ec\u53f7 <><\/code> \u6307\u5b9a\u5b83\u4eec\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

func MyFunc[T any](arg T) {}<\/pre>\n
\u5728\u6b64\u793a\u4f8b\u4e2d\uff0cT<\/code> \u662f\u4e00\u4e2a\u7c7b\u578b\u53c2\u6570\uff0c\u5b83\u53ef\u4ee5\u8868\u793a\u4efb\u4f55\u7c7b\u578b\u3002<\/p>\n
\u5b9e\u53c2<\/strong><\/p>\n
\u5728\u8c03\u7528\u5e26\u6709\u7c7b\u578b\u53c2\u6570\u7684\u51fd\u6570\u65f6\uff0c\u9700\u8981\u6307\u5b9a\u5177\u4f53\u7684\u7c7b\u578b\u53c2\u6570\u503c\u4f5c\u4e3a\u5b9e\u53c2\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
MyFunc[int](10)<\/pre>\n
\u5728\u8be5\u793a\u4f8b\u4e2d\uff0cint<\/code> \u662f\u4f20\u9012\u7ed9 MyFunc<\/code> \u7684\u7c7b\u578b\u53c2\u6570\u503c\u3002<\/p>\n
\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u6839\u636e\u7ed9\u5b9a\u503c\u7684\u7c7b\u578b\u6765\u683c\u5f0f\u5316\u5b83\u7684\u51fd\u6570\uff1a<\/p>\n
func FormatValue(value interface{}) string {\n    switch v := value.(type) {\n    case int:\n        return strconv.FormatInt(int64(v), 10)\n    case float64:\n        return strconv.FormatFloat(v, 'f', -1, 64)\n    case string:\n        return v\n    default:\n        return \"Unknown value\"\n    }\n}<\/pre>\n
\u4f7f\u7528\u6cdb\u578b\uff0c\u6211\u4eec\u53ef\u4ee5\u91cd\u5199\u6b64\u51fd\u6570\u4ee5\u652f\u6301\u4efb\u4f55\u7c7b\u578b\uff1a<\/p>\n
func FormatValue[T any](value T) string {\n    return strconv.Format(value)\n}<\/pre>\n
\u73b0\u5728\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u7c7b\u578b\u53c2\u6570\u503c\u6765\u8c03\u7528 FormatValue<\/code>\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
fmt.Println(FormatValue[int](10)) \/\/ \"10\"\nfmt.Println(FormatValue[float64](3.14)) \/\/ \"3.14\"\nfmt.Println(FormatValue[string](\"Hello, world!\")) \/\/ \"Hello, world!\"<\/pre>\n
\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\u300a\u5982\u4f55\u5728 Go \u6cdb\u578b\u4e2d\u4f20\u9012\u7c7b\u578b\u53c2\u6570\u7ed9\u51fd\u6570\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n
\n
\n <\/dt>\n
\n   \u5982\u4f55\u901a\u8fc7\u76d1\u542c\u7a97\u53e3\u53d8\u5316\u4e8b\u4ef6\u5b9e\u65f6\u8c03\u6574\u9875\u9762\u9ad8\u5ea6\uff0c\u4f7f\u9875\u9762\u59cb\u7ec8\u5145\u6ee1\u7a97\u53e3\uff1f\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   \u7f51\u7ad9\u4ee3\u7801\u5757\u9ad8\u4eae\u795e\u5668\uff1a\u4f60\u662f\u5426\u5728\u7528 highlight.js\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86 ...<\/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-205931","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205931","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=205931"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205931\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205931"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205931"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}