{"id":205801,"date":"2025-06-12T09:53:52","date_gmt":"2025-06-12T01:53:52","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205801\/"},"modified":"2025-06-12T09:53:52","modified_gmt":"2025-06-12T01:53:52","slug":"golang-%e5%87%bd%e6%95%b0%e7%9a%84%e6%80%a7%e8%83%bd%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205801\/","title":{"rendered":"Golang \u51fd\u6570\u7684\u6027\u80fd\u6ce8\u610f\u4e8b\u9879\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p>\u6765\u5230GOLANG\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60GOLANG\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aGOLANG \u51fd\u6570\u7684\u6027\u80fd\u6ce8\u610f\u4e8b\u9879\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01,\u4e3a\u63d0\u5347 Go \u51fd\u6570\u6027\u80fd\uff0c\u5e94\u9075\u5faa\u4ee5\u4e0b\u6ce8\u610f\u4e8b\u9879\uff1a(1) \u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5185\u5b58\u5206\u914d\uff1b(2) \u4f7f\u7528\u503c\u63a5\u6536\u5668\uff0c\u63d0\u9ad8\u51fd\u6570\u6027\u80fd\uff1b(3) \u4f18\u5316\u5faa\u73af\uff0c\u907f\u514d\u4f7f\u7528\u8303\u56f4\u8fd0\u7b97\u7b26\u548c append()\uff1b(4) \u4f7f\u7528 goroutine \u63d0\u9ad8\u5e76\u53d1\u6027\uff1b(5) \u5bf9\u4ee3\u7801\u8fdb\u884c\u57fa\u51c6\u6d4b\u8bd5\uff0c\u8bc6\u522b\u74f6\u9888\u5e76\u8fdb\u884c\u4f18\u5316\u3002,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730003742671dc31e35e7d.jpg\" class=\"aligncenter\">,<br \/>\n<strong>Go \u51fd\u6570\u6027\u80fd\u6ce8\u610f\u4e8b\u9879<\/strong>,\u5728 Go \u7f16\u7a0b\u4e2d\uff0c\u51fd\u6570\u6027\u80fd\u5bf9\u4e8e\u4f18\u5316\u5e94\u7528\u7a0b\u5e8f\u81f3\u5173\u91cd\u8981\u3002\u6b64\u5904\u5217\u51fa\u4e00\u4e9b\u6ce8\u610f\u4e8b\u9879\uff0c\u4ee5\u5e2e\u52a9\u60a8\u5b9e\u73b0\u9ad8\u6027\u80fd\u51fd\u6570\uff1a,<br \/>\n<strong>1. \u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5206\u914d<\/strong>,\u5206\u914d\u548c\u91ca\u653e\u5185\u5b58\u4f1a\u5e26\u6765\u5f00\u9500\u3002\u901a\u8fc7\u4f7f\u7528\u6307\u9488\u3001\u5f15\u7528\u4f20\u9012\u548c\u7ed3\u6784\u800c\u4e0d\u662f\u5207\u7247\u6765\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5206\u914d\u3002,<br \/>\n<strong>\u793a\u4f8b\uff1a\u5728\u6307\u9488\u548c\u5207\u7247\u4e4b\u95f4\u8fdb\u884c\u9009\u62e9<\/strong>,<br \/>\n<strong>2. \u4f7f\u7528\u503c\u63a5\u6536\u5668<\/strong>,\u5982\u679c\u51fd\u6570\u4e0d\u4fee\u6539\u63a5\u6536\u8005\uff0c\u8bf7\u4f7f\u7528\u503c\u63a5\u6536\u5668\uff0c\u5b83\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002,<br \/>\n<strong>\u793a\u4f8b\uff1a\u503c\u63a5\u6536\u5668<\/strong>,<br \/>\n<strong>3. \u4f18\u5316\u5faa\u73af<\/strong>,\u907f\u514d\u5728\u5faa\u73af\u4e2d\u4f7f\u7528\u8303\u56f4\u8fd0\u7b97\u7b26\uff0c\u5e76\u4f7f\u7528<br \/>\n<code>len()<\/code> \u548c<br \/>\n<code>cap()<\/code> \u51fd\u6570\u800c\u4e0d\u662f<br \/>\n<code>append()<\/code> \u67e5\u770b\u5207\u7247\u957f\u5ea6\u3002,<br \/>\n<strong>\u793a\u4f8b\uff1a\u4f18\u5316\u5faa\u73af<\/strong>,<br \/>\n<strong>4. \u4f7f\u7528 goroutine<\/strong>,\u5c06\u8ba1\u7b97\u5bc6\u96c6\u578b\u4efb\u52a1\u5206\u53d1\u5230 goroutine \u4e2d\u53ef\u4ee5\u63d0\u9ad8\u5e76\u53d1\u6027\u3002,<br \/>\n<strong>\u793a\u4f8b\uff1a\u4f7f\u7528 goroutine<\/strong>,<br \/>\n<strong>5. \u5bf9\u4ee3\u7801\u8fdb\u884c\u57fa\u51c6\u6d4b\u8bd5<\/strong>,\u4f7f\u7528\u57fa\u51c6\u6d4b\u8bd5\u5de5\u5177\uff08\u5982<br \/>\n<code>go test -bench<\/code>\uff09\u6765\u8861\u91cf\u51fd\u6570\u6027\u80fd\u5e76\u8bc6\u522b\u74f6\u9888\u3002,<br \/>\n<strong>\u5b9e\u6218\u6848\u4f8b\uff1a\u4f18\u5316\u6570\u7ec4\u6392\u5e8f<\/strong>,<br \/>\n<strong>\u57fa\u51c6\u6d4b\u8bd5\uff1a<\/strong>,\u57fa\u51c6\u6d4b\u8bd5\u7ed3\u679c\u663e\u793a\uff0c<br \/>\n<code>SortArrayOptimized<\/code> \u7684\u6027\u80fd\u663e\u7740\u63d0\u9ad8\u3002,\u672c\u7bc7\u5173\u4e8e\u300aGOLANG \u51fd\u6570\u7684\u6027\u80fd\u6ce8\u610f\u4e8b\u9879\u662f\u4ec0\u4e48\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8eGOLANG\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff01,\u6765\u5230GOLANG\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60GOLANG\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aGOLANG \u51fd\u6570\u7684\u6027\u80fd\u6ce8\u610f\u4e8b\u9879\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\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>GOLANG \u51fd\u6570\u7684\u6027\u80fd\u6ce8\u610f\u4e8b\u9879\u662f\u4ec0\u4e48\uff1f<\/span><\/p>\n<h1>GOLANG \u51fd\u6570\u7684\u6027\u80fd\u6ce8\u610f\u4e8b\u9879\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p><span>2024-10-27 12:35:57<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u6765\u5230GOLANG\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60GOLANG\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aGOLANG \u51fd\u6570\u7684\u6027\u80fd\u6ce8\u610f\u4e8b\u9879\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p>\u4e3a\u63d0\u5347 Go \u51fd\u6570\u6027\u80fd\uff0c\u5e94\u9075\u5faa\u4ee5\u4e0b\u6ce8\u610f\u4e8b\u9879\uff1a(1) \u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5185\u5b58\u5206\u914d\uff1b(2) \u4f7f\u7528\u503c\u63a5\u6536\u5668\uff0c\u63d0\u9ad8\u51fd\u6570\u6027\u80fd\uff1b(3) \u4f18\u5316\u5faa\u73af\uff0c\u907f\u514d\u4f7f\u7528\u8303\u56f4\u8fd0\u7b97\u7b26\u548c append()\uff1b(4) \u4f7f\u7528 goroutine \u63d0\u9ad8\u5e76\u53d1\u6027\uff1b(5) \u5bf9\u4ee3\u7801\u8fdb\u884c\u57fa\u51c6\u6d4b\u8bd5\uff0c\u8bc6\u522b\u74f6\u9888\u5e76\u8fdb\u884c\u4f18\u5316\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730003742671dc31e35e7d.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Go \u51fd\u6570\u6027\u80fd\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n<p>\u5728 Go \u7f16\u7a0b\u4e2d\uff0c\u51fd\u6570\u6027\u80fd\u5bf9\u4e8e\u4f18\u5316\u5e94\u7528\u7a0b\u5e8f\u81f3\u5173\u91cd\u8981\u3002\u6b64\u5904\u5217\u51fa\u4e00\u4e9b\u6ce8\u610f\u4e8b\u9879\uff0c\u4ee5\u5e2e\u52a9\u60a8\u5b9e\u73b0\u9ad8\u6027\u80fd\u51fd\u6570\uff1a<\/p>\n<p><strong>1. \u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5206\u914d<\/strong><\/p>\n<p>\u5206\u914d\u548c\u91ca\u653e\u5185\u5b58\u4f1a\u5e26\u6765\u5f00\u9500\u3002\u901a\u8fc7\u4f7f\u7528\u6307\u9488\u3001\u5f15\u7528\u4f20\u9012\u548c\u7ed3\u6784\u800c\u4e0d\u662f\u5207\u7247\u6765\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5206\u914d\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a\u5728\u6307\u9488\u548c\u5207\u7247\u4e4b\u95f4\u8fdb\u884c\u9009\u62e9<\/strong><\/p>\n<pre>\/\/ \u4f7f\u7528\u6307\u9488\u907f\u514d\u5206\u914d\ntype Node struct {\n    Value int\n    Next  *Node\n}\n\n\/\/ \u4f7f\u7528\u5207\u7247\u5206\u914d\u5185\u5b58\ntype List []Node\n\n\/\/ \u8c03\u7528\u51fd\u6570\u65f6\u4f20\u9012\u6307\u9488\nfunc Insert(node *Node) {\n    ...\n}\n\n\/\/ \u8c03\u7528\u51fd\u6570\u65f6\u4f20\u9012\u5207\u7247\nfunc Insert(list []Node) {\n    ...\n}<\/pre>\n<p><strong>2. \u4f7f\u7528\u503c\u63a5\u6536\u5668<\/strong><\/p>\n<p>\u5982\u679c\u51fd\u6570\u4e0d\u4fee\u6539\u63a5\u6536\u8005\uff0c\u8bf7\u4f7f\u7528\u503c\u63a5\u6536\u5668\uff0c\u5b83\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a\u503c\u63a5\u6536\u5668<\/strong><\/p>\n<pre>type User struct {\n    ID   int\n    Name string\n}\n\n\/\/ \u4f7f\u7528\u503c\u63a5\u6536\u5668\nfunc (u User) GetName() string {\n    return u.Name\n}<\/pre>\n<p><strong>3. \u4f18\u5316\u5faa\u73af<\/strong><\/p>\n<p>\u907f\u514d\u5728\u5faa\u73af\u4e2d\u4f7f\u7528\u8303\u56f4\u8fd0\u7b97\u7b26\uff0c\u5e76\u4f7f\u7528 <code>len()<\/code> \u548c <code>cap()<\/code> \u51fd\u6570\u800c\u4e0d\u662f <code>append()<\/code> \u67e5\u770b\u5207\u7247\u957f\u5ea6\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a\u4f18\u5316\u5faa\u73af<\/strong><\/p>\n<pre>\/\/ \u907f\u514d\u4f7f\u7528\u8303\u56f4\u8fd0\u7b97\u7b26\nfor i := 0; i &lt; len(array); i++ {\n    ...\n}\n\n\/\/ \u4f7f\u7528 len() \u548c cap()\nfor i := 0; i &lt; cap(array); i++ {\n    if i &gt;= len(array) {\n        break\n    }\n    ...\n}<\/pre>\n<p><strong>4. \u4f7f\u7528 goroutine<\/strong><\/p>\n<p>\u5c06\u8ba1\u7b97\u5bc6\u96c6\u578b\u4efb\u52a1\u5206\u53d1\u5230 goroutine \u4e2d\u53ef\u4ee5\u63d0\u9ad8\u5e76\u53d1\u6027\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a\u4f7f\u7528 goroutine<\/strong><\/p>\n<pre>\/\/ \u521b\u5efa goroutine \u6765\u8ba1\u7b97\u6590\u6ce2\u90a3\u5951\u6570\nfunc fibonacci(n int) int {\n    if n &lt;= 1 {\n        return n\n    }\n    c := make(chan int)\n    go func() { c &lt;- fibonacci(n - 1) }()\n    return fibonacci(n - 2) + &lt;-c\n}<\/pre>\n<p><strong>5. \u5bf9\u4ee3\u7801\u8fdb\u884c\u57fa\u51c6\u6d4b\u8bd5<\/strong><\/p>\n<p>\u4f7f\u7528\u57fa\u51c6\u6d4b\u8bd5\u5de5\u5177\uff08\u5982 <code>go test -bench<\/code>\uff09\u6765\u8861\u91cf\u51fd\u6570\u6027\u80fd\u5e76\u8bc6\u522b\u74f6\u9888\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a\u4f18\u5316\u6570\u7ec4\u6392\u5e8f<\/strong><\/p>\n<pre>\/\/ \u672a\u4f18\u5316\nfunc SortArray(arr []int) []int {\n    for i := 0; i &lt; len(arr)-1; i++ {\n        for j := i + 1; j &lt; len(arr); j++ {\n            if arr[i] &gt; arr[j] {\n                arr[i], arr[j] = arr[j], arr[i]\n            }\n        }\n    }\n    return arr\n}\n\n\/\/ \u4f18\u5316\uff1a\u4f7f\u7528\u6392\u5e8f\u7b97\u6cd5\nfunc SortArrayOptimized(arr []int) []int {\n    sort.Ints(arr)\n    return arr\n}<\/pre>\n<p><strong>\u57fa\u51c6\u6d4b\u8bd5\uff1a<\/strong><\/p>\n<pre>func BenchmarkSortArray(b *testing.B) {\n    for i := 0; i &lt; b.N; i++ {\n        SortArray([]int{1, 2, 3, 4, 5})\n    }\n}\n\nfunc BenchmarkSortArrayOptimized(b *testing.B) {\n    for i := 0; i &lt; b.N; i++ {\n        SortArrayOptimized([]int{1, 2, 3, 4, 5})\n    }\n}<\/pre>\n<p>\u57fa\u51c6\u6d4b\u8bd5\u7ed3\u679c\u663e\u793a\uff0c<code>SortArrayOptimized<\/code> \u7684\u6027\u80fd\u663e\u7740\u63d0\u9ad8\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300aGOLANG \u51fd\u6570\u7684\u6027\u80fd\u6ce8\u610f\u4e8b\u9879\u662f\u4ec0\u4e48\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8eGOLANG\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   Java\u51fd\u6570\u7684\u53c2\u6570\u662f\u5426\u53ef\u4ee5\u6709\u53ef\u53d8\u957f\u53c2\u6570\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u5728 PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u53ef\u53d8\u53c2\u6570\u8fdb\u884c\u9519\u8bef\u5904\u7406\u548c\u9a8c\u8bc1\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u6765\u5230GOLANG\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f&#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-205801","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205801","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=205801"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205801\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205801"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205801"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}