{"id":205474,"date":"2025-06-02T18:48:29","date_gmt":"2025-06-02T10:48:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/?p=205474"},"modified":"2025-06-02T18:48:29","modified_gmt":"2025-06-02T10:48:29","slug":"go%e8%af%ad%e8%a8%80%e4%b8%ad%e7%9a%84%e5%9f%ba%e7%a1%80%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b%e8%af%a6%e8%a7%a3%e5%8f%8a%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%80%89%e5%9e%8b%e5%bb%ba%e8%ae%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205474\/","title":{"rendered":"Go\u8bed\u8a00\u4e2d\u7684\u57fa\u7840\u6570\u636e\u7c7b\u578b\u8be6\u89e3\u53ca\u670d\u52a1\u5668\u9009\u578b\u5efa\u8bae"},"content":{"rendered":"<h3>\u524d\u8a00<\/h3>\n<p>\u5728\u6784\u5efa\u9ad8\u6027\u80fd\u5e94\u7528\u6216\u5fae\u670d\u52a1\u67b6\u6784\u65f6\uff0c\u7f16\u7a0b\u8bed\u8a00\u7684\u6570\u636e\u7c7b\u578b\u4e0d\u4ec5\u5f71\u54cd\u4ee3\u7801\u7ed3\u6784\u4e0e\u6267\u884c\u6548\u7387\uff0c\u4e5f\u95f4\u63a5\u5173\u8054\u7740\u90e8\u7f72\u73af\u5883\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u8868\u73b0\u3002Go\uff08Golang\uff09\u4f5c\u4e3a\u73b0\u4ee3\u4e91\u539f\u751f\u5e94\u7528\u7684\u70ed\u95e8\u8bed\u8a00\uff0c\u5176\u57fa\u7840\u6570\u636e\u7c7b\u578b\u8bbe\u8ba1\u7b80\u5355\u4f46\u529f\u80fd\u5f3a\u5927\uff0c\u672c\u6587\u5c06\u4ece\u5f00\u53d1\u8005\u89d2\u5ea6\u51fa\u53d1\uff0c\u5bf9Go\u7684\u57fa\u7840\u6570\u636e\u7c7b\u578b\u8fdb\u884c\u7cfb\u7edf\u6027\u89e3\u6790\uff0c\u5e76\u7ed3\u5408<strong>\u9999\u6e2f\u670d\u52a1\u5668<\/strong>\u5728\u90e8\u7f72Go\u9879\u76ee\u4e2d\u7684\u5b9e\u9645\u4f18\u52bf\u63d0\u4f9b\u76f8\u5173\u5efa\u8bae\u3002<\/p>\n<hr \/>\n<h3>\u4e00\u3001Go\u8bed\u8a00\u57fa\u7840\u7c7b\u578b\u6982\u89c8<\/h3>\n<p>Go\u8bed\u8a00\u7684\u6570\u636e\u7c7b\u578b\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n<ul>\n<li><strong>\u5e03\u5c14\u7c7b\u578b\uff08bool\uff09<\/strong><\/li>\n<li><strong>\u6574\u6570\u7c7b\u578b\uff1a\u6709\u7b26\u53f7\uff08int8\/int16\/int32\/int64\/int\uff09\u4e0e\u65e0\u7b26\u53f7\uff08uint8\/uint16\/uint32\/uint64\/uint\uff09<\/strong><\/li>\n<li><strong>\u6d6e\u70b9\u7c7b\u578b\uff1afloat32\u3001float64<\/strong><\/li>\n<li><strong>\u590d\u6570\u7c7b\u578b\uff1acomplex64\u3001complex128<\/strong><\/li>\n<li><strong>\u5b57\u8282\u548c\u5b57\u7b26\u7c7b\u578b\uff1abyte\u3001rune<\/strong><\/li>\n<li><strong>\u5b57\u7b26\u4e32\u7c7b\u578b\uff08string\uff09<\/strong><\/li>\n<\/ul>\n<hr \/>\n<h3>\u4e8c\u3001\u5e03\u5c14\u7c7b\u578b\u7684\u4f7f\u7528<\/h3>\n<p>\u5e03\u5c14\u7c7b\u578b\u7528\u4e8e\u903b\u8f91\u5224\u65ad\uff0c\u53ea\u6709\u4e24\u4e2a\u53d6\u503c\uff1a<code>true<\/code> \u548c <code>false<\/code>\u3002<\/p>\n<pre><code class=\"language-go\">package main\r\nimport \"fmt\"\r\nfunc main() {\r\n    a := true\r\n    b := false\r\n    fmt.Println(\"a:\", a, \"b:\", b)\r\n    fmt.Println(\"a &amp;&amp; b:\", a &amp;&amp; b)\r\n    fmt.Println(\"a || b:\", a || b)\r\n}\r\n<\/code><\/pre>\n<p>\u9002\u7528\u4e8e\u6761\u4ef6\u8bed\u53e5\u3001\u63a7\u5236\u6d41\u7a0b\u5224\u65ad\u7b49\u573a\u666f\uff0c\u5728\u591a\u7ebf\u7a0b\u670d\u52a1\u5668\u5904\u7406\u903b\u8f91\u4e2d\u4e5f\u6781\u4e3a\u5e38\u89c1\u3002<\/p>\n<hr \/>\n<h3>\u4e09\u3001\u6574\u6570\u7c7b\u578b\u8be6\u89e3\u53ca\u5e73\u53f0\u5dee\u5f02<\/h3>\n<p>Go\u652f\u6301\u591a\u79cd\u4f4d\u5bbd\u7684\u6574\u6570\u7c7b\u578b\uff0c\u4e0d\u540c\u5e73\u53f0\u4f4d\u5bbd\u53ef\u80fd\u4f1a\u5f71\u54cd\u53d8\u91cf\u5b9e\u9645\u5185\u5b58\u5360\u7528\uff0c\u4ee5\u4e0b\u662f\u51e0\u79cd\u5e38\u89c1\u6574\u6570\u7c7b\u578b\u7684\u7279\u70b9\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7c7b\u578b<\/th>\n<th>\u5360\u7528\u4f4d\u6570<\/th>\n<th>\u8303\u56f4<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>int8<\/td>\n<td>8\u4f4d<\/td>\n<td>-128 ~ 127<\/td>\n<\/tr>\n<tr>\n<td>int64<\/td>\n<td>64\u4f4d<\/td>\n<td>-9223372036854775808 ~ 9223372036854775807<\/td>\n<\/tr>\n<tr>\n<td>uint8<\/td>\n<td>8\u4f4d<\/td>\n<td>0 ~ 255<\/td>\n<\/tr>\n<tr>\n<td>uint64<\/td>\n<td>64\u4f4d<\/td>\n<td>0 ~ 18446744073709551615<\/td>\n<\/tr>\n<tr>\n<td>int<\/td>\n<td>\u5e73\u53f0\u76f8\u5173<\/td>\n<td>32\u4f4d\u621664\u4f4d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5f00\u53d1\u8005\u53ef\u901a\u8fc7\u5982\u4e0b\u4ee3\u7801\u83b7\u53d6\u53d8\u91cf\u7c7b\u578b\u4e0e\u6240\u5360\u5185\u5b58\uff1a<\/p>\n<pre><code class=\"language-go\">package main\r\nimport (\r\n\t\"fmt\"\r\n\t\"unsafe\"\r\n)\r\nfunc main() {\r\n\tvar a int = 100\r\n\tfmt.Printf(\"\u7c7b\u578b: %T, \u5360\u7528\u5b57\u8282\u6570: %d\\n\", a, unsafe.Sizeof(a))\r\n}\r\n<\/code><\/pre>\n<p><strong>\u90e8\u7f72\u5efa\u8bae\uff1a<\/strong> \u5728\u9ad8\u5e76\u53d1\u8ba1\u7b97\u4efb\u52a1\u4e2d\uff0c\u5efa\u8bae\u9009\u62e964\u4f4d\u67b6\u6784\u7684<strong>\u9999\u6e2f\u4e91\u670d\u52a1\u5668<\/strong>\u4ee5\u5145\u5206\u53d1\u6325int64\u7b49\u7c7b\u578b\u7684\u4f18\u52bf\uff0c\u786e\u4fdd\u8ba1\u7b97\u6548\u7387\u6700\u5927\u5316\u3002<\/p>\n<hr \/>\n<h3>\u56db\u3001\u6d6e\u70b9\u4e0e\u590d\u6570\u7c7b\u578b\u7684\u8fd0\u7b97<\/h3>\n<p>Go\u8bed\u8a00\u63d0\u4f9b\u5bf9\u6d6e\u70b9\u4e0e\u590d\u6570\u7684\u539f\u751f\u652f\u6301\uff0c\u9002\u7528\u4e8e\u91d1\u878d\u3001\u79d1\u5b66\u8ba1\u7b97\u7c7b\u9879\u76ee\uff1a<\/p>\n<pre><code class=\"language-go\">package main\r\nimport \"fmt\"\r\nfunc main() {\r\n    var f1, f2 float64 = 5.67, 8.97\r\n    fmt.Println(\"\u52a0\u6cd5\u7ed3\u679c:\", f1+f2, \"\u5dee\u503c:\", f1-f2)\r\n}\r\n<\/code><\/pre>\n<p>\u590d\u6570\u8fd0\u7b97\uff1a<\/p>\n<pre><code class=\"language-go\">package main\r\nimport \"fmt\"\r\nfunc main() {\r\n    c1 := complex(2, 3)\r\n    c2 := complex(1, 4)\r\n    fmt.Println(\"\u590d\u6570\u548c:\", c1 + c2)\r\n    fmt.Println(\"\u590d\u6570\u79ef:\", c1 * c2)\r\n}\r\n<\/code><\/pre>\n<hr \/>\n<h3>\u4e94\u3001\u5b57\u8282\u4e0e\u5b57\u7b26\u7c7b\u578b byte \u548c rune<\/h3>\n<ul>\n<li><code>byte<\/code> \u672c\u8d28\u4e0a\u662f <code>uint8<\/code>\uff0c\u4ee3\u8868 ASCII \u5b57\u7b26<\/li>\n<li><code>rune<\/code> \u662f <code>int32<\/code> \u7684\u522b\u540d\uff0c\u652f\u6301UTF-8\u5b57\u7b26<\/li>\n<\/ul>\n<pre><code class=\"language-go\">package main\r\nimport \"fmt\"\r\nfunc main() {\r\n    ch := '\u4e2d'\r\n    fmt.Printf(\"\u5b57\u7b26: %c, Unicode: %d\\n\", ch, ch)\r\n}\r\n<\/code><\/pre>\n<p>\u5728\u5f00\u53d1\u591a\u8bed\u8a00\u5e73\u53f0\u6216\u5904\u7406\u4e2d\u6587\u5b57\u7b26\u7684\u7cfb\u7edf\u65f6\uff0c\u5e94\u4f18\u5148\u4f7f\u7528 <code>rune<\/code> \u7c7b\u578b\u4ee5\u907f\u514d\u7f16\u7801\u6df7\u4e71\u3002<\/p>\n<hr \/>\n<h3>\u516d\u3001\u5b57\u7b26\u4e32\u7684\u672c\u8d28\u4e0e\u7f16\u7801\u517c\u5bb9<\/h3>\n<p>\u5728Go\u8bed\u8a00\u4e2d\uff0c\u5b57\u7b26\u4e32\u662f\u5b57\u8282\u6570\u7ec4\u7684\u5c01\u88c5\uff0c\u652f\u6301UTF-8\u7f16\u7801\u683c\u5f0f\u3002<\/p>\n<pre><code class=\"language-go\">package main\r\nimport \"fmt\"\r\nfunc main() {\r\n    str := \"\u9999\u6e2f\u670d\u52a1\u5668\"\r\n    fmt.Println(\"\u5b57\u7b26\u4e32\u957f\u5ea6\uff08\u5b57\u8282\uff09:\", len(str))\r\n    fmt.Println(\"Unicode\u7f16\u7801\u6570\u7ec4:\", []rune(str))\r\n}\r\n<\/code><\/pre>\n<p>\u5408\u7406\u638c\u63e1\u5b57\u7b26\u4e32\u4e0e\u5b57\u7b26\u7f16\u7801\uff0c\u5bf9\u4e8e\u5f00\u53d1\u652f\u6301\u591a\u8bed\u8a00\u7684\u7f51\u7ad9\u540e\u53f0\u6216 API \u7f51\u5173\u5c24\u4e3a\u91cd\u8981\u3002\u501f\u52a9\u9ad8\u5e26\u5bbd\u3001\u4f4e\u5ef6\u8fdf\u7684<strong>\u9999\u6e2fvps<\/strong>\u90e8\u7f72\u63a5\u53e3\u670d\u52a1\uff0c\u53ef\u63d0\u5347\u5168\u7403\u7528\u6237\u8bbf\u95ee\u4f53\u9a8c\u3002<\/p>\n<hr \/>\n<h3>\u4e03\u3001\u90e8\u7f72Go\u5e94\u7528\u9009\u62e9\u9999\u6e2f\u670d\u52a1\u5668\u7684\u7406\u7531<\/h3>\n<p>\u5728\u9009\u62e9\u670d\u52a1\u5668\u90e8\u7f72Go\u670d\u52a1\u65f6\uff0c<strong>\u9999\u6e2f\u72ec\u7acb\u670d\u52a1\u5668<\/strong>\u63d0\u4f9b\u4ee5\u4e0b\u4f18\u52bf\uff1a<\/p>\n<ol>\n<li><strong>\u9ad8\u901f\u7f51\u7edc\u8fde\u63a5<\/strong>\uff1a\u5730\u7406\u4f4d\u7f6e\u4f18\u8d8a\uff0c\u8fde\u63a5\u4e9a\u592a\u548c\u5168\u7403\u7f51\u7edc\u5ef6\u8fdf\u4f4e\u3002<\/li>\n<li><strong>\u7075\u6d3b\u7684\u8d44\u6e90\u914d\u7f6e<\/strong>\uff1a\u53ef\u6839\u636e\u5e94\u7528\u7279\u6027\u5b9a\u5236\u5185\u5b58\u3001\u5e26\u5bbd\u3001CPU\u8d44\u6e90\u3002<\/li>\n<li><strong>\u514d\u5907\u6848\u4e0e\u90e8\u7f72\u5feb\u901f<\/strong>\uff1a\u7279\u522b\u9002\u5408\u5feb\u901f\u4e0a\u7ebf\u5185\u6d4b\u3001\u654f\u6377\u5f00\u53d1\u73af\u5883\u3002<\/li>\n<li><strong>\u9ad8\u6027\u4ef7\u6bd4<\/strong>\uff1a\u5bf9\u6bd4\u6b27\u7f8e\u6570\u636e\u4e2d\u5fc3\uff0c\u5728\u4fdd\u6301\u8d28\u91cf\u7684\u540c\u65f6\u66f4\u5177\u4ef7\u683c\u4f18\u52bf\u3002<\/li>\n<\/ol>\n<p>\u65e0\u8bba\u662f\u6784\u5efa\u4f01\u4e1a\u7ea7\u5e94\u7528\uff0c\u8fd8\u662f\u90e8\u7f72API\u670d\u52a1\u3001\u5206\u5e03\u5f0f\u7cfb\u7edf\uff0c\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u5747\u662f\u6280\u672f\u56e2\u961f\u7684\u4f18\u9009\u4e4b\u9053\u3002<\/p>\n<hr \/>\n<h3>\u603b\u7ed3<\/h3>\n<p>\u638c\u63e1Go\u8bed\u8a00\u7684\u57fa\u7840\u6570\u636e\u7c7b\u578b\u662f\u6784\u5efa\u5065\u58ee\u670d\u52a1\u7684\u5173\u952e\u73af\u8282\uff0c\u800c\u9009\u62e9\u7a33\u5b9a\u3001\u9ad8\u6027\u80fd\u7684\u8fd0\u884c\u73af\u5883\u540c\u6837\u91cd\u8981\u3002\u501f\u52a9<a href=\"https:\/\/server.hk\/\"><strong>\u9999\u6e2fvps<\/strong><\/a>\u6216<strong>\u9999\u6e2f\u72ec\u7acb\u670d\u52a1\u5668<\/strong>\uff0c\u4e0d\u4ec5\u80fd\u4e3aGo\u5e94\u7528\u63d0\u4f9b\u4f18\u8d28\u7684\u8fd0\u884c\u5e73\u53f0\uff0c\u66f4\u80fd\u5728\u5168\u7403\u5316\u90e8\u7f72\u4e2d\u83b7\u5f97\u663e\u8457\u4f18\u52bf<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00 \u5728\u6784\u5efa\u9ad8\u6027\u80fd\u5e94\u7528\u6216\u5fae\u670d\u52a1\u67b6&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-205474","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205474","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=205474"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205474\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205474"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}