{"id":1322,"date":"2023-02-21T20:20:15","date_gmt":"2023-02-21T12:20:15","guid":{"rendered":"https:\/\/fireinsect.top\/?p=1322"},"modified":"2023-02-21T20:20:15","modified_gmt":"2023-02-21T12:20:15","slug":"go%e8%af%ad%e8%a8%80%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b02%e4%b8%80-golang%e7%9a%84%e5%9f%ba%e7%a1%802","status":"publish","type":"post","link":"https:\/\/fireinsect.top\/index.php\/2023\/02\/21\/go%e8%af%ad%e8%a8%80%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b02%e4%b8%80-golang%e7%9a%84%e5%9f%ba%e7%a1%802\/","title":{"rendered":"Go\u8bed\u8a00\u5b66\u4e60\u7b14\u8bb02\u4e00 Golang\u7684\u57fa\u78402"},"content":{"rendered":"\n<p>Golang\u5305\u7684\u5f15\u5165\u5b58\u5728\u51e0\u4e2a\u6ce8\u610f\u70b9<\/p>\n\n\n\n<!--more-->\n\n\n\n<p>\u5305\u7684\u5f15\u5165\u662f\u4ece$GOPATH\/src\u540e\u5f00\u59cb\u8ba1\u7b97\u7684\uff0c\u4f7f\u7528\/\u8fdb\u884c\u8def\u5f84\u5206\u5272\u3002\u5728\u65b0\u7248Golang\u4e2d\uff0c\u9700\u8981\u4f7f\u7528\u9879\u76ee\u7ba1\u7406\u5668\uff0c\u73b0\u5728\u9879\u76ee\u76ee\u5f55\u4e0b\u4f7f\u7528 <code>go mod init xxxx<\/code>\u521b\u5efa\u9879\u76ee\uff0c\u540c\u4e00\u9879\u76ee\u53ef\u4ee5\u76f4\u63a5import<\/p>\n\n\n\n<p>package\u5305\u7684\u58f0\u660e\u5efa\u8bae\u8fd9\u4e2a\u5305\u548c\u6240\u5728\u7684\u6587\u4ef6\u5939\u540c\u540d\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u9700\u8981import\u591a\u4e2a\u5305\uff0c\u53ef\u4ee5\u7528\uff08\uff09\u5305\u62ec\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u5305\u540d\u548c\u6587\u4ef6\u5939\u540d\u4e0d\u4e00\u6837\uff0cimport\u4f7f\u7528\u6587\u4ef6\u5939\u8def\u5f84\uff0c\u51fd\u6570\u8c03\u7528\u4f7f\u7528\u5305\u540d<\/p>\n\n\n\n<p>import\u8def\u5f84\u524d\u53ef\u4ee5\u7ed9\u5305\u53d6\u522b\u540d\uff0c\u8fd9\u6837\u539f\u540d\u5c31\u4e0d\u80fd\u7528\u4e86\u3002<\/p>\n\n\n\n<p class=\"has-vivid-red-color has-text-color has-medium-font-size\">\u51fd\u6570\u8c03\u7528\u65f6\uff0c\u5982\u679c\u51fd\u6570\u540d\u9996\u5b57\u6bcd\u5927\u5199\uff0c\u8868\u793a\u8be5\u51fd\u6570\u516c\u5f00\uff0c\u53ef\u4ee5\u8c03\u7528\uff0c\u53cd\u4e4b\u8868\u793a\u79c1\u6709<\/p>\n\n\n\n<p class=\"has-vivid-red-color has-text-color has-large-font-size\">init\u51fd\u6570<\/p>\n\n\n\n<p>\u6bcf\u4e2a\u6e90\u6587\u4ef6\u90fd\u53ef\u4ee5\u5305\u542b\u4e00\u4e2ainit\u51fd\u6570\uff0c\u8be5\u51fd\u6570\u4f1a\u5728main\u51fd\u6570\u6267\u884c\u524d\uff0c\u88abGo\u8fd0\u884c\u6846\u67b6\u8c03\u7528\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"go\" class=\"language-go\">func init(){}<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u6e90\u6587\u4ef6\u5b58\u5728\u5168\u5c40\u53d8\u91cf\u7684\u5b9a\u4e49\uff0c\u5219\u4f18\u5148\u4e8einit\u65b9\u6cd5<\/p>\n\n\n\n<p>\u5982\u679c\u591a\u4e2a\u6e90\u6587\u4ef6\u5b58\u5728init\u65b9\u6cd5\uff0c\u5148\u7531main\u6587\u4ef6\u8fd0\u884c\uff0c\u518d\u7531\u5176\u4ed6\u6587\u4ef6\u8fd0\u884c<\/p>\n\n\n\n<p class=\"has-vivid-red-color has-text-color has-large-font-size\">\u533f\u540d\u51fd\u6570<\/p>\n\n\n\n<p>Go\u652f\u6301\u533f\u540d\u51fd\u6570\uff0c\u8fd9\u4e2a\u51fd\u6570\u65b9\u6cd5\u53ea\u4f1a\u4f7f\u7528\u4e00\u6b21\uff0c\u5176\u5b58\u5728\u4e24\u4e2a\u4f7f\u7528\u65b9\u6cd5<\/p>\n\n\n\n<p>1.\u5728\u5b9a\u4e49\u65f6\u76f4\u63a5\u8c03\u7528\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"go\" class=\"language-go\">result :=func (a int,b int) int {\r\n\t\treturn a+b\r\n}(10,11)\n\/\/\u8fd9\u91cc\u6700\u540e\u9700\u8981\u52a0\u4e0a\u62ec\u53f7\u6765\u5f15\u5165\u53d8\u91cf<\/code><\/pre>\n\n\n\n<p>2.\u8d4b\u503c\u7ed9\u4e00\u4e2a\u53d8\u91cf\uff0c\u518d\u901a\u8fc7\u8be5\u53d8\u91cf\u8c03\u7528<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"go\" class=\"language-go\">result :=func (a int,b int) int {\r\n\t\treturn a+b\r\n\t}\r\na:=result(10,11)<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u9700\u8981\u8ba9\u4e00\u4e2a\u533f\u540d\u51fd\u6570\u53ef\u4ee5\u5728\u6574\u4e2a\u7a0b\u5e8f\u4e2d\u6709\u6548\uff0c\u53ea\u8981\u5c06\u51fd\u6570\u8d4b\u503c\u7ed9\u4e00\u4e2a\u5168\u5c40\u53d8\u91cf\u5c31\u884c\u4e86<\/p>\n\n\n\n<p class=\"has-vivid-red-color has-text-color has-large-font-size\">\u95ed\u5305<\/p>\n\n\n\n<p>Golang\u5185\u5b58\u5728\u4e00\u4e2a\u95ed\u5305\u7684\u6982\u5ff5\uff0c\u95ed\u5305\u5c31\u662f\u4e00\u4e2a\u51fd\u6570\u548c\u5176\u76f8\u5173\u7684\u5f15\u7528\u73af\u5883\u7ec4\u5408\u7684\u4e00\u4e2a\u6574\u4f53\u3002<\/p>\n\n\n\n<p>\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"go\" class=\"language-go\">package main\nimport \"fmt\"\n\/\/\u51fd\u6570\u529f\u80fd\uff1a\u6c42\u548c\n\/\/\u51fd\u6570\u7684\u540d\u5b57\uff1agetSum \u53c2\u6570\u4e3a\u7a7a\nfunc getSum() func (int) int { \/\/getSum\u51fd\u6570\u8fd4\u56de\u503c\u4e3a\u4e00\u4e2a\u51fd\u6570,\u800c\u8fd9\u4e2a\u51fd\u6570\u8fd4\u56de\u503c\u662fint\u7c7b\u578b\n        var sum int = 0\n        return func (num int) int{\n                sum = sum + num \n                return sum\n        }\n}\n\/\/\u95ed\u5305\uff1a\u8fd4\u56de\u7684\u533f\u540d\u51fd\u6570+\u533f\u540d\u51fd\u6570\u4ee5\u5916\u7684\u53d8\u91cfnum\nfunc main(){\n        f := getSum()\n        fmt.Println(f(1))\/\/1 \n        fmt.Println(f(2))\/\/3\n        fmt.Println(f(3))\/\/6\n        fmt.Println(f(4))\/\/10\n}\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u53ef\u4ee5\u53d1\u73b0\uff0c\u95ed\u5305\u4e2d\uff0c\u533f\u540d\u51fd\u6570\u4e2d\u5f15\u7528\u7684\u53d8\u91cf\u4f1a\u4e00\u4e00\u76f4\u5b58\u653e\u5728\u5185\u5b58\u4e2d\uff0c\u53ef\u4ee5\u4e00\u76f4\u4f7f\u7528\u3002<\/p>\n\n\n\n<p class=\"has-vivid-red-color has-text-color has-medium-font-size\">\u95ed\u5305\u7684\u672c\u8d28\uff1a<\/p>\n\n\n\n<p>\u95ed\u5305\u672c\u8d28\u4f9d\u65e7\u662f\u4e00\u4e2a\u533f\u540d\u51fd\u6570\uff0c\u53ea\u662f\u8fd9\u4e2a\u51fd\u6570\u5f15\u5165\u5916\u754c\u7684\u53d8\u91cf\/\u53c2\u6570<br>\u533f\u540d\u51fd\u6570+\u5f15\u7528\u7684\u53d8\u91cf\/\u53c2\u6570 = \u95ed\u5305<\/p>\n\n\n\n<p>\uff081\uff09\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u533f\u540d\u51fd\u6570\uff0c\u4f46\u662f\u8fd9\u4e2a\u533f\u540d\u51fd\u6570\u5f15\u7528\u5230\u51fd\u6570\u5916\u7684\u53d8\u91cf\/\u53c2\u6570 ,\u56e0\u6b64\u8fd9\u4e2a\u533f\u540d\u51fd\u6570\u5c31\u548c\u53d8\u91cf\/\u53c2\u6570\u5f62\u6210\u4e00\u4e2a\u6574\u4f53\uff0c\u6784\u6210\u95ed\u5305\u3002<br>\uff082\uff09\u95ed\u5305\u4e2d\u4f7f\u7528\u7684\u53d8\u91cf\/\u53c2\u6570\u4f1a\u4e00\u76f4\u4fdd\u5b58\u5728\u5185\u5b58\u4e2d\uff0c\u6240\u4ee5\u4f1a\u4e00\u76f4\u4f7f\u7528&#8212;\u300b\u610f\u5473\u7740\u95ed\u5305\u4e0d\u53ef\u6ee5\u7528\uff08\u5bf9\u5185\u5b58\u6d88\u8017\u5927\uff09<\/p>\n\n\n\n<p>\/\/\u4e0d\u4f7f\u7528\u95ed\u5305\u7684\u65f6\u5019\uff1a\u6211\u60f3\u4fdd\u7559\u7684\u503c\uff0c\u4e0d\u53ef\u4ee5\u53cd\u590d\u4f7f\u7528<br>\/\/\u95ed\u5305\u5e94\u7528\u573a\u666f\uff1a\u95ed\u5305\u53ef\u4ee5\u4fdd\u7559\u4e0a\u6b21\u5f15\u7528\u7684\u67d0\u4e2a\u503c\uff0c\u6211\u4eec\u4f20\u5165\u4e00\u6b21\u5c31\u53ef\u4ee5\u53cd\u590d\u4f7f\u7528\u4e86<\/p>\n\n\n\n<p class=\"has-vivid-red-color has-text-color has-large-font-size\">defer\u5173\u952e\u5b57<\/p>\n\n\n\n<p>\u5728\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u4f1a\u9700\u8981\u521b\u5efa\u8d44\u6e90\uff0c\u4e3a\u4e86\u5728\u51fd\u6570\u6267\u884c\u540e\uff0c\u53ca\u65f6\u7684\u91ca\u653e\u8d44\u6e90\uff0cGolang\u63d0\u4f9b\u4e86defer\u5173\u952e\u8bcd\u3002<\/p>\n\n\n\n<p>defer\u540e\u7684\u8bed\u53e5\u4e0d\u4f1a\u7acb\u523b\u6267\u884c\uff0c\u800c\u662f\u5c06\u8bed\u53e5\u538b\u5165\u6808\u4e2d\uff0c\u7136\u540e\u6267\u884c\u4e4b\u540e\u7684\u8bed\u53e5\uff0c\u5728\u51fd\u6570\u6267\u884c\u5b8c\u6bd5\u540e\uff0c\u4ece\u6808\u4e2d\u53d6\u51fa\u8bed\u53e5\u5f00\u59cb\u6267\u884c\u3002<\/p>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cdefer\u4f1a\u5c06\u4ee3\u7801\u8bed\u53e5\u76f8\u5173\u7684\u503c\u62f7\u8d1d\u538b\u5165\u6808\u4e2d\uff0c\u8fd9\u4e9b\u503c\u4e0d\u4f1a\u968f\u51fd\u6570\u540e\u9762\u7684\u53d8\u5316\u800c\u53d8\u5316\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"522\" src=\"https:\/\/i1.wp.com\/fireinsect.top\/wp-content\/uploads\/2023\/02\/image-1.png?resize=1024%2C522&#038;ssl=1\" alt=\"\" class=\"wp-image-1323\" srcset=\"https:\/\/i1.wp.com\/fireinsect.top\/wp-content\/uploads\/2023\/02\/image-1.png?resize=1024%2C522&amp;ssl=1 1024w, https:\/\/i1.wp.com\/fireinsect.top\/wp-content\/uploads\/2023\/02\/image-1.png?resize=300%2C153&amp;ssl=1 300w, https:\/\/i1.wp.com\/fireinsect.top\/wp-content\/uploads\/2023\/02\/image-1.png?resize=768%2C392&amp;ssl=1 768w, https:\/\/i1.wp.com\/fireinsect.top\/wp-content\/uploads\/2023\/02\/image-1.png?resize=1536%2C783&amp;ssl=1 1536w, https:\/\/i1.wp.com\/fireinsect.top\/wp-content\/uploads\/2023\/02\/image-1.png?w=1608&amp;ssl=1 1608w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" data-recalc-dims=\"1\" \/><\/figure>\n\n\n\n<p>\u901a\u8fc7defer\u5173\u952e\u8bcd\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5176\u5ef6\u8fdf\u6267\u884c\u7684\u673a\u5236\u6765\u5b9e\u73b0\u8d44\u6e90\u7684\u5173\u95ed\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Golang\u5305\u7684\u5f15\u5165\u5b58\u5728\u51e0\u4e2a\u6ce8\u610f\u70b9<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":""},"categories":[14],"tags":[],"class_list":["post-1322","post","type-post","status-publish","format-standard","hentry","category-go"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1322"}],"collection":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/comments?post=1322"}],"version-history":[{"count":1,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1322\/revisions"}],"predecessor-version":[{"id":1324,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1322\/revisions\/1324"}],"wp:attachment":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/media?parent=1322"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/categories?post=1322"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/tags?post=1322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}