{"id":57866,"date":"2024-10-10T21:46:51","date_gmt":"2024-10-10T13:46:51","guid":{"rendered":"https:\/\/server.hk\/cnblog\/57866\/"},"modified":"2024-10-10T21:46:51","modified_gmt":"2024-10-10T13:46:51","slug":"go%e6%95%99%e7%a8%8b-go-%e8%aa%9e%e8%a8%80%e5%8c%bf%e5%90%8d%e5%87%bd%e6%95%b8-%e6%b2%92%e6%9c%89%e5%87%bd%e6%95%b8%e5%90%8d%e5%ad%97%e7%9a%84%e5%87%bd%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/57866\/","title":{"rendered":"GO\u6559\u7a0b: Go \u8a9e\u8a00\u533f\u540d\u51fd\u6578\u2014\u2014\u6c92\u6709\u51fd\u6578\u540d\u5b57\u7684\u51fd\u6578"},"content":{"rendered":"<h1 id=\"go%e6%95%99%e7%a8%8b-go-%e8%aa%9e%e8%a8%80%e5%8c%bf%e5%90%8d%e5%87%bd%e6%95%b8-%e6%b2%92%e6%9c%89%e5%87%bd%e6%95%b8%e5%90%8d%e5%ad%97%e7%9a%84%e5%87%bd%e6%95%b8-XguZZTCgSV\">GO\u6559\u7a0b: Go \u8a9e\u8a00\u533f\u540d\u51fd\u6578\u2014\u2014\u6c92\u6709\u51fd\u6578\u540d\u5b57\u7684\u51fd\u6578<\/h1>\n<p>\u5728 Go \u8a9e\u8a00\u4e2d\uff0c\u51fd\u6578\u662f\u4e00\u7b49\u516c\u6c11\uff0c\u9019\u610f\u5473\u8457\u51fd\u6578\u53ef\u4ee5\u88ab\u8ce6\u503c\u7d66\u8b8a\u91cf\u3001\u4f5c\u70ba\u53c3\u6578\u50b3\u905e\uff0c\u751a\u81f3\u53ef\u4ee5\u4f5c\u70ba\u8fd4\u56de\u503c\u8fd4\u56de\u3002\u533f\u540d\u51fd\u6578\uff08\u6216\u7a31\u70ba\u7121\u540d\u51fd\u6578\uff09\u662f Go \u8a9e\u8a00\u7684\u4e00\u500b\u5f37\u5927\u7279\u6027\uff0c\u5b83\u5141\u8a31\u958b\u767c\u8005\u5b9a\u7fa9\u6c92\u6709\u540d\u7a31\u7684\u51fd\u6578\u3002\u9019\u7a2e\u7279\u6027\u5728\u8a31\u591a\u60c5\u6cc1\u4e0b\u90fd\u975e\u5e38\u6709\u7528\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u5b9a\u7fa9\u5c0f\u578b\u51fd\u6578\u7684\u6642\u5019\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%8c%bf%e5%90%8d%e5%87%bd%e6%95%b8%ef%bc%9f-XguZZTCgSV\">\u4ec0\u9ebc\u662f\u533f\u540d\u51fd\u6578\uff1f<\/h2>\n<p>\u533f\u540d\u51fd\u6578\u662f\u6307\u6c92\u6709\u540d\u7a31\u7684\u51fd\u6578\u3002\u5b83\u5011\u53ef\u4ee5\u5728\u5b9a\u7fa9\u7684\u540c\u6642\u88ab\u8abf\u7528\uff0c\u6216\u8005\u88ab\u8ce6\u503c\u7d66\u8b8a\u91cf\u4ee5\u4fbf\u5f8c\u7e8c\u4f7f\u7528\u3002\u9019\u7a2e\u51fd\u6578\u7684\u4e3b\u8981\u512a\u52e2\u5728\u65bc\u5b83\u5011\u7684\u9748\u6d3b\u6027\u548c\u7c21\u6f54\u6027\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u50b3\u905e\u51fd\u6578\u4f5c\u70ba\u53c3\u6578\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%ae%9a%e7%be%a9%e5%92%8c%e4%bd%bf%e7%94%a8%e5%8c%bf%e5%90%8d%e5%87%bd%e6%95%b8-XguZZTCgSV\">\u5982\u4f55\u5b9a\u7fa9\u548c\u4f7f\u7528\u533f\u540d\u51fd\u6578<\/h2>\n<p>\u5728 Go \u8a9e\u8a00\u4e2d\uff0c\u5b9a\u7fa9\u533f\u540d\u51fd\u6578\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>func(parameters) returnType {\n    \/\/ \u51fd\u6578\u9ad4\n}<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u4f8b\u5b50\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5b9a\u7fa9\u548c\u8abf\u7528\u4e00\u500b\u533f\u540d\u51fd\u6578\uff1a<\/p>\n<pre><code>package main\n\nimport \"fmt\"\n\nfunc main() {\n    \/\/ \u5b9a\u7fa9\u4e00\u500b\u533f\u540d\u51fd\u6578\n    add := func(a int, b int) int {\n        return a + b\n    }\n\n    \/\/ \u8abf\u7528\u533f\u540d\u51fd\u6578\n    result := add(3, 4)\n    fmt.Println(\"3 + 4 =\", result)\n}<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba `add` \u7684\u8b8a\u91cf\uff0c\u4e26\u5c07\u4e00\u500b\u533f\u540d\u51fd\u6578\u8ce6\u503c\u7d66\u5b83\u3002\u9019\u500b\u533f\u540d\u51fd\u6578\u63a5\u53d7\u5169\u500b\u6574\u6578\u53c3\u6578\u4e26\u8fd4\u56de\u5b83\u5011\u7684\u548c\u3002\u7136\u5f8c\uff0c\u6211\u5011\u901a\u904e `add(3, 4)` \u8abf\u7528\u9019\u500b\u51fd\u6578\uff0c\u4e26\u6253\u5370\u7d50\u679c\u3002<\/p>\n<h2 id=\"%e5%8c%bf%e5%90%8d%e5%87%bd%e6%95%b8%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-XguZZTCgSV\">\u533f\u540d\u51fd\u6578\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>\u533f\u540d\u51fd\u6578\u5728\u8a31\u591a\u5834\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u61c9\u7528\u5834\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u4f5c\u70ba\u56de\u8abf\u51fd\u6578\uff1a<\/strong>\u5728\u8655\u7406\u7570\u6b65\u64cd\u4f5c\u6216\u4e8b\u4ef6\u6642\uff0c\u533f\u540d\u51fd\u6578\u53ef\u4ee5\u4f5c\u70ba\u56de\u8abf\u51fd\u6578\u50b3\u905e\u3002<\/li>\n<li><strong>\u9589\u5305\uff1a<\/strong>\u533f\u540d\u51fd\u6578\u53ef\u4ee5\u6355\u7372\u5176\u5916\u90e8\u4f5c\u7528\u57df\u7684\u8b8a\u91cf\uff0c\u9019\u4f7f\u5f97\u5b83\u5011\u53ef\u4ee5\u7528\u65bc\u5275\u5efa\u9589\u5305\u3002<\/li>\n<li><strong>\u7c21\u5316\u4ee3\u78bc\uff1a<\/strong>\u5728\u9700\u8981\u5feb\u901f\u5b9a\u7fa9\u5c0f\u578b\u51fd\u6578\u7684\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528\u533f\u540d\u51fd\u6578\u53ef\u4ee5\u4f7f\u4ee3\u78bc\u66f4\u52a0\u7c21\u6f54\u3002<\/li>\n<\/ul>\n<h3 id=\"%e9%96%89%e5%8c%85%e7%a4%ba%e4%be%8b-XguZZTCgSV\">\u9589\u5305\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u533f\u540d\u51fd\u6578\u5275\u5efa\u9589\u5305\u7684\u4f8b\u5b50\uff1a<\/p>\n<pre><code>package main\n\nimport \"fmt\"\n\nfunc main() {\n    \/\/ \u5b9a\u7fa9\u4e00\u500b\u8a08\u6578\u5668\n    counter := func() func() int {\n        count := 0\n        return func() int {\n            count++\n            return count\n        }\n    }()\n\n    \/\/ \u4f7f\u7528\u8a08\u6578\u5668\n    fmt.Println(counter()) \/\/ \u8f38\u51fa: 1\n    fmt.Println(counter()) \/\/ \u8f38\u51fa: 2\n    fmt.Println(counter()) \/\/ \u8f38\u51fa: 3\n}<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u8a08\u6578\u5668\u51fd\u6578\uff0c\u4e26\u8fd4\u56de\u4e00\u500b\u533f\u540d\u51fd\u6578\uff0c\u8a72\u51fd\u6578\u53ef\u4ee5\u8a2a\u554f `count` \u8b8a\u91cf\u3002\u6bcf\u6b21\u8abf\u7528 `counter()` \u6642\uff0c`count` \u7684\u503c\u90fd\u6703\u589e\u52a0\uff0c\u9019\u5c55\u793a\u4e86\u9589\u5305\u7684\u7279\u6027\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-XguZZTCgSV\">\u7e3d\u7d50<\/h2>\n<p>Go \u8a9e\u8a00\u7684\u533f\u540d\u51fd\u6578\u662f\u4e00\u500b\u5f37\u5927\u7684\u7279\u6027\uff0c\u80fd\u5920\u63d0\u9ad8\u4ee3\u78bc\u7684\u9748\u6d3b\u6027\u548c\u53ef\u8b80\u6027\u3002\u901a\u904e\u4f7f\u7528\u533f\u540d\u51fd\u6578\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u7c21\u5316\u4ee3\u78bc\u7d50\u69cb\uff0c\u4e26\u5728\u9700\u8981\u6642\u5feb\u901f\u5b9a\u7fa9\u5c0f\u578b\u51fd\u6578\u3002\u7121\u8ad6\u662f\u5728\u8655\u7406\u56de\u8abf\u3001\u5275\u5efa\u9589\u5305\uff0c\u9084\u662f\u7c21\u5316\u4ee3\u78bc\u65b9\u9762\uff0c\u533f\u540d\u51fd\u6578\u90fd\u80fd\u767c\u63ee\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc Go \u8a9e\u8a00\u7684\u66f4\u591a\u7279\u6027\u611f\u8208\u8da3\uff0c\u6216\u8005\u9700\u8981\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u958b\u767c\u5de5\u4f5c\uff0c\u8acb\u96a8\u6642\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 Go \u8a9e\u8a00\u4e2d\u7684\u533f\u540d\u51fd\u6578\uff0c\u4e86\u89e3\u5982\u4f55\u4f7f\u7528\u7121\u540d\u7a31\u51fd\u6578\u4f86\u7c21\u5316\u4ee3\u78bc\u548c\u63d0\u9ad8\u9748\u6d3b\u6027\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-57866","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57866","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=57866"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57866\/revisions"}],"predecessor-version":[{"id":57867,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57866\/revisions\/57867"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=57866"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=57866"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=57866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}