{"id":116,"date":"2019-01-10T15:34:56","date_gmt":"2019-01-10T07:34:56","guid":{"rendered":"https:\/\/blog.woniufun.com\/?p=116"},"modified":"2019-01-10T15:34:56","modified_gmt":"2019-01-10T07:34:56","slug":"golang%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e4%b8%80%ef%bc%89","status":"publish","type":"post","link":"https:\/\/blog.woniufun.com\/?p=116","title":{"rendered":"golang\u5b66\u4e60\u7b14\u8bb0\uff08\u4e00\uff09"},"content":{"rendered":"<h2>\u7f16\u8bd1<\/h2>\n<h3>\u80fd\u5426\u7f16\u8bd1\u6210\u9759\u6001exe\uff0c\u4e0d\u9700\u8981go\u73af\u5883\u3002<\/h3>\n<p>\u53ef\u4ee5\u3002\u4f7f\u7528\u547d\u4ee4\uff1a<code>go build<\/code><\/p>\n<h3>\u4f7f\u7f16\u8bd1\u7684exe\u6709\u56fe\u6807<\/h3>\n<ul>\n<li>\u5b89\u88c5rsrc<\/li>\n<\/ul>\n<pre><code class=\"language-bash \">go get github.com\/akavel\/rsrc\ngo install github.com\/akavel\/rsrc\n<\/code><\/pre>\n<ul>\n<li>\u5728go\u9879\u76ee\u6839\u76ee\u5f55\u4e0b\u521b\u5efamanifest\u6587\u4ef6, \u547d\u540d\u968f\u610f\uff0c\u5982\uff1aicon.manifest\uff0c\u5185\u5bb9\u4e3a\uff1a<\/li>\n<\/ul>\n<pre data-language=HTML><code class=\"language-markup \">&lt;?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?&gt;\n&lt;assembly xmlns=\"urn:schemas-microsoft-com:asm.v1\" manifestVersion=\"1.0\"&gt;\n&lt;assemblyIdentity\n    version=\"1.0.0.0\"\n    processorArchitecture=\"x86\"\n    name=\"controls\"\n    type=\"win32\"\n&gt;&lt;\/assemblyIdentity&gt;\n&lt;dependency&gt;\n    &lt;dependentAssembly&gt;\n        &lt;assemblyIdentity\n            type=\"win32\"\n            name=\"Microsoft.Windows.Common-Controls\"\n            version=\"6.0.0.0\"\n            processorArchitecture=\"*\"\n            publicKeyToken=\"6595b64144ccf1df\"\n            language=\"*\"\n        &gt;&lt;\/assemblyIdentity&gt;\n    &lt;\/dependentAssembly&gt;\n&lt;\/dependency&gt;\n&lt;\/assembly&gt;\n<\/code><\/pre>\n<ul>\n<li>\u628aico\u6587\u4ef6\u590d\u5236\u5230go\u9879\u76ee\u6839\u76ee\u5f55\u4e0b\uff0c\u5982 myico.ico<\/li>\n<li>\u6267\u884c\u547d\u4ee4\uff0c\u751f\u6210syso\u6587\u4ef6\uff0c\u540d\u5b57\u53ef\u4ee5\u968f\u610f\u3002\u5982main.syso<\/li>\n<\/ul>\n<pre><code class=\"language-bash \">rsrc -manifest icon.manifest -ico myico.ico -o main.syso\n<\/code><\/pre>\n<ul>\n<li>\u6267\u884c<code>go build<\/code>\u5373\u53ef\u751f\u6210\u5e26icon\u7684exe\uff0c\u6839\u76ee\u5f55\u4e0b\u4e0d\u80fd\u5b58\u5728\u591a\u4e2asyso\u6587\u4ef6\uff0c\u5426\u5219build\u4f1a\u62a5\u9519\u3002<\/li>\n<\/ul>\n<h3>\u8de8\u5e73\u53f0\u7f16\u8bd1\uff08\u4ea4\u53c9\u7f16\u8bd1\uff09<\/h3>\n<ul>\n<li>Mac\u4e0b\u7f16\u8bd1Linux, Windows\u5e73\u53f0\u768464\u4f4d\u53ef\u6267\u884c\u7a0b\u5e8f\uff1a<\/li>\n<\/ul>\n<pre><code class=\"language-bash \">CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build test.go\nCGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build test.go\n<\/code><\/pre>\n<ul>\n<li>Linux\u4e0b\u7f16\u8bd1Mac, Windows\u5e73\u53f0\u768464\u4f4d\u53ef\u6267\u884c\u7a0b\u5e8f\uff1a<\/li>\n<\/ul>\n<pre><code class=\"language-bash \">CGO_ENABLED=0 GOOS=darwin GOARCH=amd64 go build test.go\nCGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build test.go\n<\/code><\/pre>\n<ul>\n<li>Windows\u4e0b\u7f16\u8bd1Mac, Linux\u5e73\u53f0\u768464\u4f4d\u53ef\u6267\u884c\u7a0b\u5e8f\uff1a<\/li>\n<\/ul>\n<pre><code class=\"language-bash \">SET CGO_ENABLED=0\nSET GOOS=darwin3\nSET GOARCH=amd64\ngo build test.go\n\nSET CGO_ENABLED=0\nSET GOOS=linux\nSET GOARCH=amd64\ngo build test.go\n<\/code><\/pre>\n<blockquote><p>\n  GOOS\uff1a\u76ee\u6807\u53ef\u6267\u884c\u7a0b\u5e8f\u8fd0\u884c\u64cd\u4f5c\u7cfb\u7edf\uff0c\u652f\u6301 darwin\uff0cfreebsd\uff0clinux\uff0cwindows<br \/>\n  GOARCH\uff1a\u76ee\u6807\u53ef\u6267\u884c\u7a0b\u5e8f\u64cd\u4f5c\u7cfb\u7edf\u6784\u67b6\uff0c\u5305\u62ec 386\uff0camd64\uff0carm\n<\/p><\/blockquote>\n<h2>\u4ee3\u7801<\/h2>\n<h3>\u5982\u4f55\u8bfb\u53d6\u53ca\u4f7f\u7528\u547d\u4ee4\u884c\u53c2\u6570<\/h3>\n<blockquote><p>\n  main\u51fd\u6570\u4e0d\u80fd\u4f7f\u7528\u53c2\u6570\u3002<br \/>\n  \u547d\u4ee4\u884c\u53c2\u6570\u4e0d\u50cfc#\u6216\u8005java\u662f\u901a\u8fc7main(args[])\u8fd9\u6837\u6765\u4f20\u9012\n<\/p><\/blockquote>\n<ul>\n<li>\u901a\u8fc7<code>import \"os\"<\/code>\uff0c\u5728\u7a0b\u5e8f\u4e2d\u901a\u8fc7<code>os.Args<\/code>\u53ef\u4ee5\u83b7\u5f97\u4e00\u4e2a<code>[]string<\/code>\u7c7b\u578b\u7684\u6570\u7ec4\uff0c\u5176\u4e2d\u7b2c\u4e00\u4e2a\u5143\u7d20\u4e3a\u53ef\u6267\u884c\u7a0b\u5e8f\u7684\u7edd\u5bf9\u8def\u5f84\uff0c\u5176\u4f59\u4e3a\u8ddf\u5728\u5176\u540e\u7684\u547d\u4ee4\u884c\u53c2\u6570\u3002<\/li>\n<li>\u53ef\u4ee5\u4f7f\u7528<code>flag<\/code>\u6a21\u5757\u6765\u66f4\u65b9\u4fbf\u7684\u5904\u7406\u547d\u4ee4\u884c\u53c2\u6570\u3002\u53c2\u8003 <a href=\"https:\/\/studygolang.com\/articles\/3365\">https:\/\/studygolang.com\/articles\/3365<\/a><br \/>\n<a href=\"https:\/\/github.com\/astaxie\/gopkg\/tree\/master\/flag\">https:\/\/github.com\/astaxie\/gopkg\/tree\/master\/flag<\/a><\/li>\n<\/ul>\n<h3>\u9000\u51fa\u5f53\u524d\u8fdb\u7a0b<\/h3>\n<pre><code class=\"language-go \">import \"os\"\nos.Exit(0)\n<\/code><\/pre>\n<h3>\u89e3\u6790\u6587\u4ef6\u8def\u5f84<\/h3>\n<p>\u4f7f\u7528<code>path<\/code>\u6216\u8005<code>path\/filepath<\/code>\u5305\u6765\u5bf9\u8def\u5f84\u8fdb\u884c\u89e3\u6790\u3002<code>path\/filepath<\/code>\u652f\u6301\u8de8\u5e73\u53f0\uff0c\u6240\u4ee5\u63a8\u8350\u4f7f\u7528\u8fd9\u4e2a\u3002<\/p>\n<pre><code class=\"language-go \">import \"path\/filepath\"\n\/\/ Split \u5c06\u8def\u5f84\u5206\u89e3\u6210\u4e24\u4e2a\u5b57\u7b26\u4e32\uff1a\u8def\u5f84\u548c\u540d\u79f0\n\/\/ \u5176\u4e2dname\u5e26\u540e\u7f00\u3002\npath, name := filepath.Split(file)\n\/\/ Ext \u83b7\u53d6\u6587\u4ef6\u540e\u7f00\u540d\uff08\u5982\u679c\u6709\uff09\uff0c\u5305\u542b\u70b9\u53f7\uff0c\u5982\u201c.txt\u201d\next := filepath.Ext(file)\n\/\/ \u83b7\u53d6\u4e0d\u5e26\u540e\u7f00\u540d\u7684\u6587\u4ef6\u540d\u3002\u5305\u672c\u8eab\u4e0d\u5e26\uff0c\u7528strings.TrimSuffix\u65b9\u6cd5\u628a\u540e\u7f00\u6e05\u9664\u6389\uff0c\nfilenameWithoutExt := strings.TrimSuffix(name, ext)\n<\/code><\/pre>\n<h3>\u83b7\u53d6\u65f6\u95f4<\/h3>\n<pre><code class=\"language-go \">import \"time\"\n\/\/\u8fd4\u56de\u4e00\u4e2aTime\u7ed3\u6784\u4f53\nt := time.Now()\n\/\/utc\u65f6\u95f4\u6233\uff0c\u7eb3\u79d2\uff08\u6beb\u79d2\u76841\/1e6\uff09\nt.UnixNano()\n\/\/utc\u65f6\u95f4\u6233\uff0c\u79d2\nt.Unix()\n<\/code><\/pre>\n<h3>\u904d\u5386\u76ee\u5f55<\/h3>\n<pre><code class=\"language-go \">\/\/\u6b64\u65b9\u6cd5\u4f1a\u904d\u5386\u76ee\u5f55\u53ca\u5b50\u76ee\u5f55\nfilepath.Walk(dirpath, func(filename string, f os.FileInfo, err error) error {\n    if err != nil {\n        return err\n    }\n    if f.IsDir() {\n        log.Println(filename, \"\u662f\u6587\u4ef6\u5939\")\n    } else {\n        log.Println(filename)\n    }\n    return nil\n})\n<\/code><\/pre>\n<p>\u5982\u679c\u53ea\u8981\u904d\u5386\u5f53\u524d\u76ee\u5f55\uff0c\u53ef\u4ee5\u4f7f\u7528<code>io\/ioutil<\/code>\u5305<\/p>\n<pre><code class=\"language-go \">dir, err := ioutil.ReadDir(dirPth)\nfor _, fi := range dir {\n    if fi.IsDir() { \/\/ \u76ee\u5f55\u3002\u8fd9\u91cc\u53ef\u4ee5\u8fdb\u884c\u9012\u5f52\n\n    } else {\n        \/\/ \u6587\u4ef6\n    }\n}\n<\/code><\/pre>\n<h3>\u63a7\u5236\u591a\u7ebf\u7a0b\u6570\u91cf<\/h3>\n<p>go\u672c\u8eab\u652f\u6301\u5e76\u53d1\u7f16\u7a0b\uff0c\u901a\u8fc7<code>runtime.GOMAXPROCS(n)<\/code>\u53ef\u4ee5\u8bbe\u7f6e\u5e76\u53d1\u6570\uff0c\u7248\u672c1.5\u4ee5\u540e\u9ed8\u8ba4\u5f00\u542f\u5e76\u53d1\uff0c\u5e76\u53d1\u6570\u4e0e\u903b\u8f91CPU\u6570\u76f8\u540c\u3002<br \/>\n\u5728\u8c03\u7528\u65b9\u6cd5\u524d\u7528\u5173\u952e\u5b57<code>go<\/code>\u5373\u53ef<\/p>\n<p>\u5982\u679c\u8c03\u7528\u4e86\u5916\u90e8\u7a0b\u5e8f\uff0c\u5728\u7b49\u5f85\u5916\u90e8\u7a0b\u5e8f\u8fd4\u56de\u7684\u65f6\u5019\uff0cgo\u4f1a\u628aCPU\u8d44\u6e90\u7ed9\u522b\u7684\u534f\u7a0b\u4f7f\u7528\uff0c\u6b64\u65f6\u9760go\u7684\u534f\u7a0b\u63a7\u5236\uff0c\u53ef\u80fd\u4f1a\u542f\u7528\u4e00\u5806\u7684\u5916\u90e8\u7a0b\u5e8f<\/p>\n<pre><code class=\"language-go \">package main\nimport (\n    \"fmt\"\n    \"os\/exec\"\n    \"runtime\"\n)\nfunc main(){\n    \/\/\u8bbe\u7f6e\u534f\u7a0b\u6700\u5927\u6570\u4e3a4\n    runtime.GOMAXPROCS(4)\n    \/\/\u5e76\u53d1100\u4e2a\uff0c\u6267\u884crun()\u6765\u542f\u52a8\u5916\u90e8\u7a0b\u5e8f\n    \/\/\u6b64\u5904\u672c\u6765\u5e0c\u671b\u901a\u8fc7go\u63a7\u5236\uff0c\u6700\u591a\u53ea\u67094\u4e2a\u5916\u90e8\u7a0b\u5e8f\u88ab\u8c03\u7528\u3002\n    \/\/\u4f46\u662f\u5b9e\u9645\u60c5\u51b5\u662f\uff0c\u5728\u7b49\u5f85\u5916\u90e8\u7a0b\u5e8f\u8fd4\u56de\u7684\u65f6\u5019\uff0cgo\u5e76\u6ca1\u6709\u963b\u585e\u534f\u7a0b\uff0c\u4f1a\u7ee7\u7eed\u8c03\u7528run()\uff0c\u5bfc\u81f4\u540c\u65f6100\u4e2aout.exe\u88ab\u542f\u52a8\n    for i := 0; i &lt; 100; i++ {\n        go run();\n    }\n}\nfunc run(){\n    \/\/\u65b0\u5efa\u4e00\u4e2a\u547d\u4ee4\u884c out.exe args1\uff0c\u6b64\u5904\u5047\u8bbe\u7a0b\u5e8f\u9700\u8981\u8fd0\u884c30\u79d2\u540e\u624d\u9000\u51fa\n    cmd := exec.Command(\"out.exe\", \"args1\")\n    \/\/\u6267\u884c\u547d\u4ee4\u884c\u5e76\u7b49\u5f85\u8fd4\u56de\n    cmd.Run()\n}\n\n<\/code><\/pre>\n<h3>\u7b49\u5f85\u6240\u6709\u7ebf\u7a0b\u9000\u51fa<\/h3>\n<pre><code class=\"language-go \">package main\n\nimport \"fmt\"\nimport \"time\"\nimport \"sync\"\n\nfunc main() {\n    var wg sync.WaitGroup\n    for i := 0; i &lt; 10; i++ {\n        wg.Add(1)\n        go func(i int) {\n            defer wg.Done()\n            time.Sleep(1 * time.Second)\n            fmt.Println(i)\n        }(i)\n    }\n    wg.Wait() \/\/ \u7b49\u5f85\n    fmt.Println(\"main exist\")\n}\n<\/code><\/pre>\n<h2>\u5404\u79cd\u5305<\/h2>\n<h3>\u65e5\u5fd7<\/h3>\n<p>\u7b80\u5355\u65e5\u5fd7\u53ef\u4ee5\u4f7f\u7528<code>log<\/code>\u5305\u8fdb\u884c\u6253\u5370<\/p>\n<pre><code class=\"language-go \">import \"log\"\n\/\/\u8bbe\u7f6e\u65e5\u5fd7\u6253\u5370\u7684\u4e00\u4e9b\u9879\u76ee\uff0c\u8fd9\u91cc\u6307\u8981\u5728\u65e5\u5fd7\u4e2d\u5305\u542b\u65e5\u671f\u548c\u6beb\u79d2\nlog.SetFlags(log.Ldate | log.Lmicroseconds)\nlog.Println(\"\u8fd9\u662f\u4e00\u6761\u65e5\u5fd7\")\n<\/code><\/pre>\n<h3>\u6267\u884c\u5916\u90e8\u7a0b\u5e8f<\/h3>\n<pre><code class=\"language-go \">import \"os\/exec\"\n\/\/ \u521b\u5efa\u4e00\u4e2acmd\u547d\u4ee4\uff0c\u6b64\u65f6\u547d\u4ee4\u8fd8\u6ca1\u6709\u6267\u884c\ncmd := exec.Command(\"exe file path\", args1,args2)\n\/\/ \u6267\u884c\u65b9\u5f0f1\u3002Run\u5176\u5b9e\u5c31\u662fStart\u540e\u518dWait\ncmd.Run()\n\/\/ \u6267\u884c\u65b9\u5f0f2\u3002\u6267\u884c\u547d\u4ee4\u540e\u7acb\u523b\u8fd4\u56de\ncmd.Start()\n\/\/ \u6267\u884c\u65b9\u5f0f3\u3002\u6267\u884c\u547d\u4ee4\uff0c\u5e76\u7b49\u5f85\u5916\u90e8\u7a0b\u5e8f\u9000\u51fa\u540e\u83b7\u5f97\u8f93\u51fa\u4fe1\u606f\noutput := cmd.Output()\nlog.Printf(\"%s\",output)\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u7f16\u8bd1 \u80fd\u5426\u7f16\u8bd1\u6210\u9759\u6001exe\uff0c\u4e0d\u9700\u8981go\u73af\u5883\u3002 \u53ef\u4ee5\u3002\u4f7f\u7528\u547d\u4ee4\uff1ago build \u4f7f\u7f16\u8bd1\u7684exe\u6709\u56fe\u6807 \u5b89\u88c5rsrc go get github.com\/akav&#8230;<\/p>\n<p class=\"read-more\"><a class=\"btn btn-default\" href=\"https:\/\/blog.woniufun.com\/?p=116\"> Read More<span class=\"screen-reader-text\">  Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.woniufun.com\/index.php?rest_route=\/wp\/v2\/posts\/116"}],"collection":[{"href":"https:\/\/blog.woniufun.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.woniufun.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.woniufun.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.woniufun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=116"}],"version-history":[{"count":5,"href":"https:\/\/blog.woniufun.com\/index.php?rest_route=\/wp\/v2\/posts\/116\/revisions"}],"predecessor-version":[{"id":121,"href":"https:\/\/blog.woniufun.com\/index.php?rest_route=\/wp\/v2\/posts\/116\/revisions\/121"}],"wp:attachment":[{"href":"https:\/\/blog.woniufun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=116"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.woniufun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=116"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.woniufun.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}