{"id":207267,"date":"2025-07-08T11:39:24","date_gmt":"2025-07-08T03:39:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207267\/"},"modified":"2025-07-08T11:39:24","modified_gmt":"2025-07-08T03:39:24","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-go-%e4%b8%ad%e8%b7%b3%e8%bf%87%e6%96%87%e4%bb%b6%e7%9a%84%e7%ac%ac%e4%b8%80%e8%a1%8c%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207267\/","title":{"rendered":"\u5982\u4f55\u5728 Go \u4e2d\u8df3\u8fc7\u6587\u4ef6\u7684\u7b2c\u4e00\u884c\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5982\u4f55\u5728 Go \u4e2d\u8df3\u8fc7\u6587\u4ef6\u7684\u7b2c\u4e00\u884c\uff1f<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-21 11:24:34<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5927\u5bb6\u597d\uff0c\u4eca\u5929\u672c\u4eba\u7ed9\u5927\u5bb6\u5e26\u6765\u6587\u7ae0\u300a\u5982\u4f55\u5728 Go \u4e2d\u8df3\u8fc7\u6587\u4ef6\u7684\u7b2c\u4e00\u884c\uff1f\u300b<\/span>\uff0c\u6587\u4e2d\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span><\/span>\uff0c\u5982\u679c\u4f60\u5bf9Golang<\/span>\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u90a3\u5c31\u8bf7\u5404\u4f4d\u670b\u53cb\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427~\u5e0c\u671b\u80fd\u771f\u6b63\u5e2e\u5230\u4f60\u4eec\uff0c\u8c22\u8c22\uff01<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u5982\u4f55\u5728 go \u4e2d\u8bfb\u53d6\u6587\u4ef6\u5e76\u8df3\u8fc7\u7b2c\u4e00\u884c\/\u6807\u9898\uff1f<\/p>\n

\u5728 python \u4e2d\u6211\u77e5\u9053\u6211\u53ef\u4ee5\u505a\u5230<\/p>\n

counter = 0\nwith open(\"my_file_path\", \"r\") as fo:\n    try:\n        next(fo)\n    except:\n        pass\n    for _ in fo:\n         counter = counter + 1<\/pre>\n
\u8fd9\u662f\u6211\u7684 go \u5e94\u7528\u7a0b\u5e8f<\/p>\n
package main    \nimport (\n    \"bufio\"\n    \"flag\"\n    \"os\"\n)\n\nfunc readFile(fileLocation string) int {\n    fileOpen, _ := os.Open(fileLocation)\n    defer fileOpen.Close()\n    fileScanner := bufio.NewScanner(fileOpen)\n\n    counter := 0\n    for fileScanner.Scan() {\n        \/\/fmt.Println(fileScanner.Text())\n        counter = counter + 1\n    }\n\n    return counter\n}\n\nfunc main() {\n    fileLocation := flag.String(\"file_location\", \"default value\", \"file path to count lines\")\n    flag.Parse()\n\n    counted := readFile(*fileLocation)\n    println(counted)\n}<\/pre>\n
\u6211\u5c06\u8bfb\u53d6\u4e00\u4e2a\u5de8\u5927\u7684\u6587\u4ef6\uff0c\u5e76\u4e14\u4e0d\u60f3\u5728\u7d22\u5f15\u4e3a 0 \u65f6\u8bc4\u4f30\u6bcf\u4e00\u884c\u3002<\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u5982\u4f55\u5728\u5faa\u73af\u4e4b\u524d\u79fb\u52a8\u5230\u4e0b\u4e00\u4e2a\u6807\u8bb0<\/p>\n
scanner := bufio.newscanner(file)\nscanner.scan() \/\/ this moves to the next token\nfor scanner.scan() {\n    fmt.println(scanner.text())\n}<\/pre>\n
\u6587\u4ef6<\/p>\n
1\n2\n3<\/pre>\n
\u8f93\u51fa<\/p>\n
2\n3<\/pre>\n<\/p>\n
\u4eca\u5929\u5173\u4e8e\u300a\u5982\u4f55\u5728 Go \u4e2d\u8df3\u8fc7\u6587\u4ef6\u7684\u7b2c\u4e00\u884c\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207267","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207267","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=207267"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207267\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207267"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207267"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}