{"id":202511,"date":"2025-05-21T09:41:12","date_gmt":"2025-05-21T01:41:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/?p=202511"},"modified":"2025-05-21T09:41:12","modified_gmt":"2025-05-21T01:41:12","slug":"go%e8%af%ad%e8%a8%80%e5%8f%af%e5%8f%98%e5%8f%82%e6%95%b0%e8%af%a6%e8%a7%a3%ef%bc%9a%e6%9e%84%e5%bb%ba%e9%ab%98%e7%81%b5%e6%b4%bb%e6%80%a7%e5%87%bd%e6%95%b0%e7%9a%84%e5%88%a9%e5%99%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202511\/","title":{"rendered":"Go\u8bed\u8a00\u53ef\u53d8\u53c2\u6570\u8be6\u89e3\uff1a\u6784\u5efa\u9ad8\u7075\u6d3b\u6027\u51fd\u6570\u7684\u5229\u5668"},"content":{"rendered":"

 <\/p>\n

\u524d\u8a00<\/h2>\n

\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u5904\u7406\u957f\u5ea6\u4e0d\u56fa\u5b9a\u7684\u53c2\u6570\u5217\u8868\uff0c\u4f8b\u5982\u5bf9\u591a\u4e2a\u6570\u503c\u6c42\u548c\u3001\u52a8\u6001\u62fc\u63a5\u5b57\u7b26\u4e32\u7b49\u3002\u8fd9\u65f6\u5019\uff0cGo\u8bed\u8a00\u63d0\u4f9b\u7684\u53ef\u53d8\u53c2\u6570\uff08Variadic Parameters\uff09\u673a\u5236\u5c31\u6d3e\u4e0a\u4e86\u7528\u573a\uff0c\u5b83\u4e3a\u51fd\u6570\u7684\u7f16\u5199\u5e26\u6765\u4e86\u66f4\u9ad8\u7684\u7075\u6d3b\u6027\uff0c\u4e5f\u4e3a\u5f00\u53d1\u6548\u7387\u63d0\u5347\u63d0\u4f9b\u4e86\u6709\u529b\u652f\u6301\u3002<\/p>\n

\u901a\u8fc7\u672c\u6587\uff0c\u60a8\u5c06\u5168\u9762\u4e86\u89e3Go\u4e2d\u53ef\u53d8\u53c2\u6570\u7684\u4f7f\u7528\u65b9\u5f0f\u3001\u8bed\u6cd5\u89c4\u8303\u4ee5\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\uff0c\u5e76\u5728\u6587\u672b\u9644\u5e26\u5b9e\u7528\u793a\u4f8b\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u5feb\u901f\u638c\u63e1\u76f8\u5173\u6280\u80fd\u3002<\/p>\n

\n

\u4e00\u3001\u53ef\u53d8\u53c2\u6570\u7684\u57fa\u7840\u8bed\u6cd5<\/h2>\n

\u5728Go\u8bed\u8a00\u4e2d\uff0c\u5b9a\u4e49\u4e00\u4e2a\u53ef\u53d8\u53c2\u6570\u7684\u51fd\u6570\u975e\u5e38\u7b80\u5355\uff0c\u5173\u952e\u5728\u4e8e\u53c2\u6570\u7c7b\u578b\u524d\u52a0\u4e0a...<\/code>\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n

func \u51fd\u6570\u540d(\u53c2\u6570\u540d ...\u7c7b\u578b) \u8fd4\u56de\u503c\u7c7b\u578b {\r\n    \/\/ \u51fd\u6570\u4f53\r\n}\r\n<\/code><\/pre>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u79cd\u8bed\u6cd5\u4e2d\u7684\u53ef\u53d8\u53c2\u6570\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u5207\u7247\uff08slice\uff09\uff0c\u56e0\u6b64\u53ef\u4ee5\u50cf\u64cd\u4f5c\u5207\u7247\u4e00\u6837\u5bf9\u5b83\u8fdb\u884c\u904d\u5386\u3001\u7d22\u5f15\u6216\u5207\u7247\u64cd\u4f5c\u3002<\/p>\n
\n
\u4e8c\u3001\u5b9e\u7528\u793a\u4f8b\uff1a\u52a8\u6001\u6c42\u548c\u51fd\u6570<\/h2>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u5178\u578b\u7684\u4f8b\u5b50\uff0c\u7528\u53ef\u53d8\u53c2\u6570\u5b9e\u73b0\u591a\u4e2a\u6574\u6570\u7684\u6c42\u548c\uff1a<\/p>\n
func sum(nums ...int) int {\r\n    total := 0\r\n    for _, v := range nums {\r\n        total += v\r\n    }\r\n    return total\r\n}\r\n\r\nfmt.Println(sum(1, 2, 3))        \/\/ \u8f93\u51fa 6\r\nfmt.Println(sum(10, 20, 30, 40)) \/\/ \u8f93\u51fa 100\r\n<\/code><\/pre>\n
\u8fd9\u7c7b\u51fd\u6570\u5e38\u7528\u4e8e\u65e5\u5fd7\u8bb0\u5f55\u3001\u76d1\u63a7\u503c\u7edf\u8ba1\u7b49\u5e94\u7528\uff0c\u5728\u914d\u7f6e\u9999\u6e2f\u4e91\u670d\u52a1\u5668<\/strong>\u65f6\uff0c\u4e5f\u80fd\u7075\u6d3b\u5904\u7406\u52a8\u6001\u6307\u6807\u91c7\u96c6\u3002<\/p>\n
\n
\u4e09\u3001\u4f20\u9012\u5207\u7247\u4f5c\u4e3a\u53c2\u6570<\/h2>\n
\u5982\u679c\u4f60\u5df2\u7ecf\u6709\u4e00\u4e2a\u6574\u6570\u5207\u7247\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u5728\u8c03\u7528\u65f6\u4f7f\u7528...<\/code>\u64cd\u4f5c\u7b26\u5c06\u5176\u4f20\u9012\u7ed9\u53ef\u53d8\u53c2\u6570\uff1a<\/p>\n
nums := []int{5, 10, 15}\r\nfmt.Println(sum(nums...)) \/\/ \u8f93\u51fa 30\r\n<\/code><\/pre>\n
\u8fd9\u79cd\u7528\u6cd5\u5bf9\u4e8e\u6570\u636e\u805a\u5408\u3001\u65e5\u5fd7\u6536\u96c6\u7b49\u573a\u666f\u5c24\u5176\u5e38\u89c1\u3002<\/p>\n
\n
\u56db\u3001\u56fa\u5b9a\u53c2\u6570\u4e0e\u53ef\u53d8\u53c2\u6570\u7684\u6df7\u5408\u4f7f\u7528<\/h2>\n
Go\u8bed\u8a00\u5141\u8bb8\u53ef\u53d8\u53c2\u6570\u4e0e\u56fa\u5b9a\u53c2\u6570\u7ed3\u5408\u4f7f\u7528\uff0c\u4f46\u9700\u8981\u9075\u5faa\u4e00\u4e2a\u89c4\u5219\uff1a\u53ef\u53d8\u53c2\u6570\u5fc5\u987b\u4f4d\u4e8e\u53c2\u6570\u5217\u8868\u7684\u6700\u540e<\/strong>\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n
func notify(user string, messages ...string) {\r\n    for _, msg := range messages {\r\n        fmt.Printf(\"%s \u6536\u5230\u6d88\u606f\uff1a%s\\n\", user, msg)\r\n    }\r\n}\r\n\r\nnotify(\"\u7528\u6237A\", \"\u6b22\u8fce\u8bbf\u95ee\", \"\u60a8\u7684\u914d\u7f6e\u5df2\u5b8c\u6210\")\r\n<\/code><\/pre>\n
\u5728\u8fdb\u884c\u9999\u6e2f\u72ec\u7acb\u670d\u52a1\u5668<\/strong>\u8fdc\u7a0b\u7ba1\u7406\u65f6\uff0c\u65e5\u5fd7\u901a\u77e5\u7cfb\u7edf\u5c31\u53ef\u4ee5\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\u52a8\u6001\u751f\u6210\u6d88\u606f\u5185\u5bb9\u3002<\/p>\n
\n
\u4e94\u3001\u53ef\u53d8\u53c2\u6570\u7684\u7279\u6b8a\u60c5\u51b5\u5904\u7406<\/h2>\n
\u5373\u4f7f\u8c03\u7528\u51fd\u6570\u65f6\u6ca1\u6709\u4f20\u5165\u4efb\u4f55\u53ef\u53d8\u53c2\u6570\uff0c\u7a0b\u5e8f\u4ecd\u7136\u53ef\u4ee5\u6b63\u5e38\u8fd0\u884c\uff1a<\/p>\n
notify(\"\u7528\u6237B\") \/\/ \u8f93\u51fa\u4e3a\u7a7a\uff0c\u4e0d\u4f1a\u62a5\u9519\r\n<\/code><\/pre>\n
\u8fd9\u79cd\u7279\u6027\u8ba9\u51fd\u6570\u66f4\u5177\u9c81\u68d2\u6027\uff0c\u9002\u5408\u6279\u91cf\u5904\u7406\u6216\u5bb9\u9519\u8bbe\u8ba1\u3002<\/p>\n
\n
\u516d\u3001\u6df1\u5165\u7406\u89e3\u53ef\u53d8\u53c2\u6570\u7684\u5207\u7247\u7279\u6027<\/h2>\n
\u7531\u4e8e\u53ef\u53d8\u53c2\u6570\u5728\u5185\u90e8\u88ab\u5904\u7406\u4e3a\u5207\u7247\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5207\u7247\u7684\u64cd\u4f5c\u5bf9\u5176\u8fdb\u884c\u5904\u7406\uff0c\u4f8b\u5982\u83b7\u53d6\u957f\u5ea6\u6216\u622a\u53d6\uff1a<\/p>\n
func debug(values ...int) {\r\n    fmt.Println(\"\u53c2\u6570\u603b\u6570\uff1a\", len(values))\r\n    if len(values) >= 2 {\r\n        fmt.Println(\"\u524d\u4e24\u4e2a\u53c2\u6570\uff1a\", values[:2])\r\n    }\r\n}\r\n\r\ndebug(8, 9, 10, 11)\r\n<\/code><\/pre>\n
\u8be5\u529f\u80fd\u5728\u6570\u636e\u53ef\u89c6\u5316\u3001\u81ea\u52a8\u5316\u811a\u672c\u751f\u6210\u7b49\u8fd0\u7ef4\u573a\u666f\u4e2d\u5341\u5206\u6709\u7528\uff0c\u5c24\u5176\u9002\u5408\u6258\u7ba1\u5728\u9ad8\u5e26\u5bbd\u7684\u9999\u6e2fvps<\/strong>\u4e0a\u8fd0\u884c\u3002<\/p>\n
\n
\u4e03\u3001\u6ce8\u610f\uff1aGo \u4e0d\u652f\u6301\u591a\u4e2a\u53ef\u53d8\u53c2\u6570<\/h2>\n
\u9700\u8981\u63d0\u9192\u7684\u662f\uff0cGo\u8bed\u8a00\u51fd\u6570\u53ea\u5141\u8bb8\u4e00\u4e2a\u53ef\u53d8\u53c2\u6570<\/strong>\uff0c\u5426\u5219\u4f1a\u7f16\u8bd1\u62a5\u9519\u3002\u4f8b\u5982\uff1a<\/p>\n
\/\/ \u9519\u8bef\u5199\u6cd5\r\nfunc invalid(a ...int, b ...string) {}\r\n<\/code><\/pre>\n
\n
\u516b\u3001\u603b\u7ed3\u4e0e\u5b9e\u8df5\u4ef7\u503c<\/h2>\n\n\n\n\n\n\n\n\n\n\n
\u7279\u6027<\/th>\n\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n
\u53c2\u6570\u7c7b\u578b<\/td>\n\u4f7f\u7528...type<\/code>\u8bed\u6cd5<\/td>\n<\/tr>\n
\u8c03\u7528\u65b9\u5f0f<\/td>\n\u76f4\u63a5\u4f20\u53c2\u6216\u4f7f\u7528\u5207\u7247\u52a0...<\/code>\u4f20\u5165<\/td>\n<\/tr>\n
\u4e0e\u56fa\u5b9a\u53c2\u6570\u7ec4\u5408<\/td>\n\u53ef\u53d8\u53c2\u6570\u5fc5\u987b\u5728\u6700\u540e<\/td>\n<\/tr>\n
\u96f6\u53c2\u6570\u8c03\u7528<\/td>\n\u51fd\u6570\u4ecd\u80fd\u6b63\u5e38\u8fd0\u884c<\/td>\n<\/tr>\n
\u5185\u90e8\u5b9e\u73b0<\/td>\n\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u5207\u7247<\/td>\n<\/tr>\n
\u9650\u5236<\/td>\n\u6bcf\u4e2a\u51fd\u6570\u53ea\u80fd\u5305\u542b\u4e00\u4e2a\u53ef\u53d8\u53c2\u6570<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u901a\u8fc7\u638c\u63e1Go\u8bed\u8a00\u7684\u53ef\u53d8\u53c2\u6570\u673a\u5236\uff0c\u5f00\u53d1\u8005\u80fd\u591f\u7f16\u5199\u66f4\u901a\u7528\u3001\u53ef\u6269\u5c55\u7684\u51fd\u6570\u7ed3\u6784\uff0c\u5c24\u5176\u5728\u670d\u52a1\u5668\u5f00\u53d1\u4e0e\u90e8\u7f72\u573a\u666f<\/strong>\u4e2d\u5927\u6709\u88e8\u76ca\u3002\u65e0\u8bba\u662f\u6784\u5efa\u81ea\u5b9a\u4e49\u63a5\u53e3\u3001\u5904\u7406\u52a8\u6001\u8f93\u5165\u6570\u636e\uff0c\u8fd8\u662f\u8fdb\u884c\u9ad8\u5e76\u53d1\u670d\u52a1\u65e5\u5fd7\u6536\u96c6\uff0c\u90fd\u79bb\u4e0d\u5f00\u8fd9\u9879\u6280\u80fd\u7684\u52a0\u6301\u3002<\/p>\n
\u5bf9\u4e8e\u6709\u5927\u6570\u636e\u5904\u7406\u3001\u9ad8\u5e76\u53d1\u8bbf\u95ee\u9700\u6c42\u7684\u4f01\u4e1a\u7528\u6237\uff0c\u6211\u4eec\u63a8\u8350\u4f18\u5148\u90e8\u7f72\u5728\u4f4e\u5ef6\u8fdf\u3001\u9ad8\u5e26\u5bbd\u7684\u9999\u6e2f\u4e91\u670d\u52a1\u5668<\/strong><\/a>\u6216\u9999\u6e2f\u72ec\u7acb\u670d\u52a1\u5668<\/strong>\u5e73\u53f0\u3002<\/p>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
  \u524d\u8a00 \u5728\u5b9e\u9645\u5f00\u53d1\u4e2d...<\/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-202511","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202511","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=202511"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202511\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202511"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202511"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}