{"id":57800,"date":"2024-10-10T21:14:40","date_gmt":"2024-10-10T13:14:40","guid":{"rendered":"https:\/\/server.hk\/cnblog\/57800\/"},"modified":"2024-10-10T21:14:41","modified_gmt":"2024-10-10T13:14:41","slug":"go%e6%95%99%e7%a8%8b-go-%e8%aa%9e%e8%a8%80%e8%a8%88%e7%ae%97%e5%87%bd%e6%95%b8%e5%9f%b7%e8%a1%8c%e6%99%82%e9%96%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/57800\/","title":{"rendered":"GO\u6559\u7a0b: Go \u8a9e\u8a00\u8a08\u7b97\u51fd\u6578\u57f7\u884c\u6642\u9593"},"content":{"rendered":"<h1 id=\"go%e6%95%99%e7%a8%8b-go-%e8%aa%9e%e8%a8%80%e8%a8%88%e7%ae%97%e5%87%bd%e6%95%b8%e5%9f%b7%e8%a1%8c%e6%99%82%e9%96%93-LldOnBXUeh\">GO\u6559\u7a0b: Go \u8a9e\u8a00\u8a08\u7b97\u51fd\u6578\u57f7\u884c\u6642\u9593<\/h1>\n<p>\u5728\u8edf\u9ad4\u958b\u767c\u4e2d\uff0c\u6027\u80fd\u512a\u5316\u662f\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002Go \u8a9e\u8a00\uff08\u53c8\u7a31 Golang\uff09\u4ee5\u5176\u9ad8\u6548\u80fd\u548c\u7c21\u6f54\u7684\u8a9e\u6cd5\u53d7\u5230\u5ee3\u6cdb\u6b61\u8fce\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 Go \u8a9e\u8a00\u4e2d\u8a08\u7b97\u51fd\u6578\u7684\u57f7\u884c\u6642\u9593\uff0c\u9019\u5c0d\u65bc\u6027\u80fd\u5206\u6790\u548c\u512a\u5316\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e8%a6%81%e8%a8%88%e7%ae%97%e5%87%bd%e6%95%b8%e5%9f%b7%e8%a1%8c%e6%99%82%e9%96%93%ef%bc%9f-LldOnBXUeh\">\u70ba\u4ec0\u9ebc\u8981\u8a08\u7b97\u51fd\u6578\u57f7\u884c\u6642\u9593\uff1f<\/h2>\n<p>\u8a08\u7b97\u51fd\u6578\u7684\u57f7\u884c\u6642\u9593\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u4e86\u89e3\u7a0b\u5f0f\u7684\u6027\u80fd\u74f6\u9838\uff0c\u5f9e\u800c\u9032\u884c\u91dd\u5c0d\u6027\u7684\u512a\u5316\u3002\u900f\u904e\u6e2c\u91cf\u4e0d\u540c\u51fd\u6578\u7684\u57f7\u884c\u6642\u9593\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8b58\u5225\u51fa\u54ea\u4e9b\u90e8\u5206\u9700\u8981\u6539\u9032\uff0c\u4e26\u78ba\u4fdd\u61c9\u7528\u7a0b\u5f0f\u5728\u9ad8\u8ca0\u8f09\u4e0b\u4ecd\u80fd\u4fdd\u6301\u826f\u597d\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-go-%e7%9a%84-time-%e5%8c%85-LldOnBXUeh\">\u4f7f\u7528 Go \u7684 time \u5305<\/h2>\n<p>Go \u8a9e\u8a00\u63d0\u4f9b\u4e86\u4e00\u500b\u5167\u5efa\u7684 <code>time<\/code> \u5305\uff0c\u8b93\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u8a08\u7b97\u6642\u9593\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 <code>time<\/code> \u5305\u4f86\u8a08\u7b97\u51fd\u6578\u57f7\u884c\u6642\u9593\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<pre><code>package main\n\nimport (\n    \"fmt\"\n    \"time\"\n)\n\n\/\/ \u6e2c\u8a66\u51fd\u6578\nfunc testFunction() {\n    time.Sleep(2 * time.Second) \/\/ \u6a21\u64ec\u8017\u6642\u64cd\u4f5c\n}\n\nfunc main() {\n    start := time.Now() \/\/ \u8a18\u9304\u958b\u59cb\u6642\u9593\n    testFunction()      \/\/ \u57f7\u884c\u51fd\u6578\n    elapsed := time.Since(start) \/\/ \u8a08\u7b97\u57f7\u884c\u6642\u9593\n    fmt.Printf(\"\u51fd\u6578\u57f7\u884c\u6642\u9593: %sn\", elapsed)\n}\n<\/code><\/pre>\n<h3 id=\"%e7%a8%8b%e5%bc%8f%e7%a2%bc%e8%a7%a3%e6%9e%90-LldOnBXUeh\">\u7a0b\u5f0f\u78bc\u89e3\u6790<\/h3>\n<ul>\n<li><code>time.Now()<\/code>: \u7372\u53d6\u7576\u524d\u6642\u9593\uff0c\u4f5c\u70ba\u8a08\u6642\u7684\u8d77\u9ede\u3002<\/li>\n<li><code>time.Since(start)<\/code>: \u8a08\u7b97\u5f9e <code>start<\/code> \u5230\u73fe\u5728\u7684\u6642\u9593\u5dee\u3002<\/li>\n<li><code>time.Sleep(2 * time.Second)<\/code>: \u6a21\u64ec\u4e00\u500b\u8017\u6642\u7684\u64cd\u4f5c\uff0c\u9019\u88e1\u6211\u5011\u8b93\u7a0b\u5f0f\u66ab\u505c 2 \u79d2\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a4%9a%e6%ac%a1%e6%b8%ac%e8%a9%a6%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-LldOnBXUeh\">\u591a\u6b21\u6e2c\u8a66\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u5728\u5be6\u969b\u958b\u767c\u4e2d\uff0c\u55ae\u6b21\u6e2c\u8a66\u53ef\u80fd\u6703\u53d7\u5230\u591a\u7a2e\u56e0\u7d20\u7684\u5f71\u97ff\uff0c\u4f8b\u5982\u7cfb\u7d71\u8ca0\u8f09\u6216\u5176\u4ed6\u9032\u7a0b\u7684\u5e72\u64fe\u3002\u56e0\u6b64\uff0c\u5efa\u8b70\u9032\u884c\u591a\u6b21\u6e2c\u8a66\u4e26\u8a08\u7b97\u5e73\u5747\u503c\uff0c\u4ee5\u7372\u5f97\u66f4\u6e96\u78ba\u7684\u57f7\u884c\u6642\u9593\u3002<\/p>\n<pre><code>func main() {\n    const numTests = 10\n    totalElapsed := time.Duration(0)\n\n    for i := 0; i &lt; numTests; i++ {\n        start := time.Now()\n        testFunction()\n        totalElapsed += time.Since(start)\n    }\n\n    averageElapsed := totalElapsed \/ numTests\n    fmt.Printf(\"\u5e73\u5747\u51fd\u6578\u57f7\u884c\u6642\u9593: %sn\", averageElapsed)\n}\n<\/code><\/pre>\n<h3 id=\"%e7%a8%8b%e5%bc%8f%e7%a2%bc%e8%a7%a3%e6%9e%90-LldOnBXUeh\">\u7a0b\u5f0f\u78bc\u89e3\u6790<\/h3>\n<ul>\n<li>\u6211\u5011\u4f7f\u7528\u4e00\u500b\u8ff4\u5708\u4f86\u57f7\u884c <code>testFunction<\/code> \u591a\u6b21\u3002<\/li>\n<li>\u6bcf\u6b21\u57f7\u884c\u5f8c\uff0c\u6211\u5011\u5c07\u57f7\u884c\u6642\u9593\u7d2f\u52a0\u5230 <code>totalElapsed<\/code> \u4e2d\u3002<\/li>\n<li>\u6700\u5f8c\uff0c\u6211\u5011\u8a08\u7b97\u5e73\u5747\u57f7\u884c\u6642\u9593\u4e26\u8f38\u51fa\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-LldOnBXUeh\">\u7d50\u8ad6<\/h2>\n<p>\u8a08\u7b97\u51fd\u6578\u7684\u57f7\u884c\u6642\u9593\u662f\u6027\u80fd\u512a\u5316\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u900f\u904e Go \u8a9e\u8a00\u7684 <code>time<\/code> \u5305\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002\u7121\u8ad6\u662f\u55ae\u6b21\u6e2c\u8a66\u9084\u662f\u591a\u6b21\u6e2c\u8a66\uff0c\u9019\u4e9b\u65b9\u6cd5\u90fd\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7406\u89e3\u7a0b\u5f0f\u7684\u6027\u80fd\u7279\u5fb5\uff0c\u4e26\u9032\u884c\u76f8\u61c9\u7684\u512a\u5316\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-LldOnBXUeh\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u63a2\u8a0e\u4e86\u5982\u4f55\u5728 Go \u8a9e\u8a00\u4e2d\u8a08\u7b97\u51fd\u6578\u7684\u57f7\u884c\u6642\u9593\uff0c\u4e26\u63d0\u4f9b\u4e86\u76f8\u95dc\u7684\u7a0b\u5f0f\u78bc\u793a\u4f8b\u3002\u900f\u904e\u9019\u4e9b\u6280\u8853\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u9032\u884c\u6027\u80fd\u5206\u6790\u548c\u512a\u5316\u3002\u5982\u679c\u60a8\u5c0d\u65bc\u4f3a\u670d\u5668\u6027\u80fd\u6709\u9032\u4e00\u6b65\u7684\u9700\u6c42\uff0c\u6b61\u8fce\u4e86\u89e3\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u52a9\u60a8\u63d0\u5347\u61c9\u7528\u7a0b\u5f0f\u7684\u6548\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 Go \u8a9e\u8a00\u4e2d\u8a08\u7b97\u51fd\u6578\u57f7\u884c\u6642\u9593\uff0c\u638c\u63e1\u6027\u80fd\u5206\u6790\u6280\u5de7\uff0c\u63d0\u5347\u7a0b\u5f0f\u6548\u7387\u8207\u6548\u80fd\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-57800","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57800","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=57800"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57800\/revisions"}],"predecessor-version":[{"id":57801,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57800\/revisions\/57801"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=57800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=57800"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=57800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}