{"id":674,"date":"2024-03-17T17:52:52","date_gmt":"2024-03-17T09:52:52","guid":{"rendered":"http:\/\/120.55.184.7\/?p=674"},"modified":"2025-04-19T00:38:34","modified_gmt":"2025-04-18T16:38:34","slug":"go-vet-%e9%9d%99%e6%80%81%e4%bb%a3%e7%a0%81%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/beijian99.top\/?p=674","title":{"rendered":"Go vet \u9759\u6001\u4ee3\u7801\u5206\u6790"},"content":{"rendered":"\n<p><code>go vet<\/code> \u662f Go \u8bed\u8a00\u5b98\u65b9\u63d0\u4f9b\u7684\u9759\u6001\u5206\u6790\u5de5\u5177\uff0c\u7528\u4e8e\u5728\u7f16\u8bd1\u524d\u68c0\u67e5\u4ee3\u7801\u4e2d\u7684\u6f5c\u5728\u9519\u8bef\u3001\u4e0d\u89c4\u8303\u5199\u6cd5\u6216\u5e38\u89c1\u95ee\u9898\u3002\u4ee5\u4e0b\u662f\u5176\u6838\u5fc3\u529f\u80fd\u7684\u8be6\u7ec6\u8bf4\u660e\uff1a<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. \u6838\u5fc3\u529f\u80fd<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u9759\u6001\u9519\u8bef\u68c0\u6d4b<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7c7b\u578b\u5b89\u5168<\/strong>\uff1a\u68c0\u67e5\u7c7b\u578b\u8f6c\u6362\u9519\u8bef\uff08\u5982 <code>string<\/code> \u8f6c <code>int<\/code>\uff09\u3001\u672a\u5b9a\u4e49\u7c7b\u578b\u3001\u7a7a\u63a5\u53e3\u8bef\u7528\u7b49\u3002<\/li>\n\n\n\n<li><strong>\u683c\u5f0f\u5316\u5b57\u7b26\u4e32<\/strong>\uff1a\u68c0\u6d4b <code>Printf<\/code> \u7cfb\u5217\u51fd\u6570\u7684\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u4e0e\u53c2\u6570\u7c7b\u578b\u662f\u5426\u5339\u914d\uff08\u5982 <code>%d<\/code> \u8bef\u7528\u4e8e\u5b57\u7b26\u4e32\uff09\u3002<\/li>\n\n\n\n<li><strong>\u672a\u4f7f\u7528\u7684\u53d8\u91cf\/\u5bfc\u5165<\/strong>\uff1a\u63d0\u793a\u672a\u4f7f\u7528\u7684\u5c40\u90e8\u53d8\u91cf\u3001\u5168\u5c40\u53d8\u91cf\u6216\u5197\u4f59\u5bfc\u5165\u5305\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u5e76\u53d1\u4e0e\u8d44\u6e90\u7ba1\u7406<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u539f\u5b50\u64cd\u4f5c\u68c0\u67e5<\/strong>\uff1a\u9632\u6b62\u9519\u8bef\u4f7f\u7528 <code>sync\/atomic<\/code> \u5305\uff08\u5982\u76f4\u63a5\u8d4b\u503c\u800c\u975e\u539f\u5b50\u64cd\u4f5c\uff09\u3002<\/li>\n\n\n\n<li><strong>\u9501\u590d\u5236\u95ee\u9898<\/strong>\uff1a\u68c0\u6d4b <code>sync.Mutex<\/code> \u7b49\u9501\u88ab\u503c\u590d\u5236\u800c\u975e\u6307\u9488\u4f20\u9012\uff0c\u907f\u514d\u9501\u72b6\u6001\u4e0d\u4e00\u81f4\u3002<\/li>\n\n\n\n<li><strong>\u4e0a\u4e0b\u6587\u6cc4\u6f0f<\/strong>\uff1a\u68c0\u67e5 <code>context.WithCancel<\/code> \u8fd4\u56de\u7684\u53d6\u6d88\u51fd\u6570\u662f\u5426\u88ab\u8c03\u7528\uff0c\u907f\u514d\u8d44\u6e90\u6cc4\u6f0f\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u4ee3\u7801\u89c4\u8303\u4e0e\u903b\u8f91<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5faa\u73af\u95ed\u5305\u9677\u9631<\/strong>\uff1a\u6355\u83b7 <code>goroutine<\/code> \u4e2d\u5faa\u73af\u53d8\u91cf\u5f15\u7528\u9519\u8bef\uff08\u9700\u901a\u8fc7\u4e34\u65f6\u53d8\u91cf\u6216\u4f20\u53c2\u89e3\u51b3\uff09\u3002<\/li>\n\n\n\n<li><strong>\u7ed3\u6784\u4f53\u6807\u7b7e\u683c\u5f0f<\/strong>\uff1a\u9a8c\u8bc1\u7ed3\u6784\u4f53\u5b57\u6bb5\u6807\u7b7e\uff08\u5982 <code>json:\"name\"<\/code>\uff09\u662f\u5426\u7b26\u5408 <code>reflect.StructTag<\/code> \u89c4\u8303\u3002<\/li>\n\n\n\n<li><strong>\u65e0\u6548\u4ee3\u7801<\/strong>\uff1a\u6807\u8bb0\u65e0\u6cd5\u5230\u8fbe\u7684\u4ee3\u7801\uff08\u5982 <code>return<\/code> \u540e\u7684\u8bed\u53e5\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. \u4f7f\u7528\u65b9\u5f0f<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u57fa\u672c\u547d\u4ee4<\/strong><\/h4>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\ngo vet .\/...          # \u68c0\u67e5\u5f53\u524d\u76ee\u5f55\u53ca\u5b50\u76ee\u5f55\ngo vet main.go        # \u68c0\u67e5\u5355\u4e2a\u6587\u4ef6\ngo vet -v             # \u663e\u793a\u8be6\u7ec6\u8f93\u51fa\n<\/pre><\/div>\n\n\n<h4 class=\"wp-block-heading\"><strong>\u5e38\u7528\u9009\u9879<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>-shadow<\/code>\uff1a\u68c0\u67e5\u53d8\u91cf\u91cd\u590d\u58f0\u660e\u3002<\/li>\n\n\n\n<li><code>-tests<\/code>\uff1a\u5305\u542b\u6d4b\u8bd5\u6587\u4ef6\u68c0\u67e5\u3002<\/li>\n\n\n\n<li><code>-printf=false<\/code>\uff1a\u7981\u7528\u7279\u5b9a\u68c0\u67e5\u9879\uff08\u5982\u5173\u95ed <code>Printf<\/code> \u683c\u5f0f\u68c0\u67e5\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u96c6\u6210\u81ea\u5b9a\u4e49\u5206\u6790\u5668<\/strong><\/h4>\n\n\n\n<p>\u53ef\u901a\u8fc7 <code>go install<\/code> \u5b89\u88c5\u7b2c\u4e09\u65b9\u5206\u6790\u5668\uff0c\u5e76\u901a\u8fc7 <code>-vettool<\/code> \u6307\u5b9a\u4f7f\u7528\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. \u5b9e\u9645\u6848\u4f8b<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u793a\u4f8b1\uff1a\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u9519\u8bef<\/strong><\/h4>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: go; title: ; notranslate\" title=\"\">\nfunc main() {\n    s := &quot;hello&quot;\n    fmt.Printf(&quot;%d\\n&quot;, s) \/\/ vet \u62a5\u9519\uff1a%d \u7528\u4e8e\u5b57\u7b26\u4e32\n}\n<\/pre><\/div>\n\n\n<p>\u8f93\u51fa\uff1a<code>Printf format %d has arg s of wrong type string<\/code>\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u793a\u4f8b2\uff1a\u9501\u590d\u5236\u95ee\u9898<\/strong><\/h4>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\ntype Foo struct {\n    lock sync.Mutex\n}\nfunc (f Foo) Lock() {} \/\/ \u5e94\u6539\u4e3a func (f *Foo) Lock()\n<\/pre><\/div>\n\n\n<p>\u8f93\u51fa\uff1a<code>Lock passes lock by value<\/code>\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u793a\u4f8b3\uff1a\u672a\u8c03\u7528\u53d6\u6d88\u51fd\u6570<\/strong><\/h4>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: go; title: ; notranslate\" title=\"\">\nfunc main() {\n    ctx, _ := context.WithCancel(context.Background()) \/\/ vet \u8b66\u544a\uff1a\u672a\u8c03\u7528 cancel \u51fd\u6570\n}\n<\/pre><\/div>\n\n\n<p>\u8f93\u51fa\uff1a<code>the cancel function should be called<\/code>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. \u5c40\u9650\u6027<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8bd5\u63a2\u6027\u68c0\u67e5<\/strong>\uff1a\u90e8\u5206\u62a5\u544a\u53ef\u80fd\u662f\u8bef\u62a5\uff08\u5982 <code>-shadow<\/code> \u68c0\u67e5\u53d8\u91cf\u906e\u853d\u65f6\uff09\u3002<\/li>\n\n\n\n<li><strong>\u4e0d\u8986\u76d6\u903b\u8f91\u9519\u8bef<\/strong>\uff1a\u65e0\u6cd5\u68c0\u6d4b\u4e1a\u52a1\u903b\u8f91\u9519\u8bef\u6216\u590d\u6742\u5e76\u53d1\u95ee\u9898\uff08\u9700\u7ed3\u5408 <code>-race<\/code> \u6216\u5176\u4ed6\u5de5\u5177\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. \u7248\u672c\u6f14\u8fdb<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Go 1.12+<\/strong>\uff1a\u91cd\u6784\u4e3a\u6a21\u5757\u5316\u5206\u6790\u6846\u67b6\uff0c\u652f\u6301\u81ea\u5b9a\u4e49\u5206\u6790\u5668\u3002<\/li>\n\n\n\n<li><strong>\u6301\u7eed\u589e\u5f3a<\/strong>\uff1a\u65b0\u7248\u4f1a\u65b0\u589e\u68c0\u67e5\u9879\uff08\u5982 Go 1.15 \u589e\u52a0\u5bf9 <code>string(int)<\/code> \u8f6c\u6362\u7684\u8b66\u544a\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u901a\u8fc7\u5408\u7406\u4f7f\u7528 <code>go vet<\/code>\uff0c\u80fd\u663e\u8457\u63d0\u5347\u4ee3\u7801\u5065\u58ee\u6027\uff0c\u51cf\u5c11\u8fd0\u884c\u65f6\u9519\u8bef\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>go vet \u662f Go \u8bed\u8a00\u5b98\u65b9\u63d0\u4f9b\u7684\u9759\u6001\u5206\u6790\u5de5\u5177\uff0c\u7528\u4e8e\u5728\u7f16\u8bd1\u524d\u68c0\u67e5\u4ee3\u7801\u4e2d\u7684\u6f5c\u5728\u9519\u8bef\u3001\u4e0d\u89c4\u8303\u5199\u6cd5\u6216\u5e38\u89c1\u95ee\u9898\u3002\u4ee5 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[121],"tags":[],"class_list":["post-674","post","type-post","status-publish","format-standard","hentry","category-golang"],"_links":{"self":[{"href":"https:\/\/beijian99.top\/index.php?rest_route=\/wp\/v2\/posts\/674","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/beijian99.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/beijian99.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/beijian99.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/beijian99.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=674"}],"version-history":[{"count":1,"href":"https:\/\/beijian99.top\/index.php?rest_route=\/wp\/v2\/posts\/674\/revisions"}],"predecessor-version":[{"id":675,"href":"https:\/\/beijian99.top\/index.php?rest_route=\/wp\/v2\/posts\/674\/revisions\/675"}],"wp:attachment":[{"href":"https:\/\/beijian99.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=674"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/beijian99.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=674"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/beijian99.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=674"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}