{"id":248886,"date":"2022-08-11T10:12:26","date_gmt":"2022-08-11T02:12:26","guid":{"rendered":"https:\/\/gulass.cn\/?p=248886"},"modified":"2022-07-29T14:12:54","modified_gmt":"2022-07-29T06:12:54","slug":"golang-linux-one","status":"publish","type":"post","link":"https:\/\/gulass.cn\/golang-linux-one.html","title":{"rendered":"\u7b80\u5355\u4ecb\u7ecdGolang\u5b9e\u73b0\u6587\u4ef6\u4f20\u8f93\u529f\u80fd"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td style=\"padding: 5px 12px; width: 25px; font-size: 22px; text-align: center; background: #E8E8E8; line-height: 30px; color: #999;\">\u5bfc\u8bfb<\/td>\n<td style=\"padding: 10px 10px 12px; line-height: 20px;\"><strong>\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4e3a\u5927\u5bb6\u8be6\u7ec6\u4ecb\u7ecd\u4e86Golang\u5b9e\u73b0\u6587\u4ef6\u4f20\u8f93\u529f\u80fd\uff0c\u6587\u4e2d\u793a\u4f8b\u4ee3\u7801\u4ecb\u7ecd\u7684\u975e\u5e38\u8be6\u7ec6\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u611f\u5174\u8da3\u7684\u5c0f\u4f19\u4f34\u4eec\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u672c\u6587\u5b9e\u4f8b\u4e3a\u5927\u5bb6\u5206\u4eab\u4e86Golang\u5b9e\u73b0\u6587\u4ef6\u4f20\u8f93\u7684\u5177\u4f53\u4ee3\u7801\uff0c\u4f9b\u5927\u5bb6\u53c2\u8003\uff0c\u5177\u4f53\u5185\u5bb9\u5982\u4e0b<\/p>\n<p>\u501f\u52a9TCP\u5b8c\u6210\u6587\u4ef6\u7684\u4f20\u8f93\uff0c\u57fa\u672c\u601d\u8def\u5982\u4e0b\uff1a<\/p>\n<p>1\u3001\u53d1\u9001\u65b9\uff08\u5ba2\u6237\u7aef\uff09\u5411\u670d\u52a1\u7aef\u53d1\u9001\u6587\u4ef6\u540d\uff0c\u670d\u52a1\u7aef\u4fdd\u5b58\u8be5\u6587\u4ef6\u540d\u3002<\/p>\n<p>2\u3001\u63a5\u6536\u65b9\uff08\u670d\u52a1\u7aef\uff09\u5411\u5ba2\u6237\u7aef\u8fd4\u56de\u4e00\u4e2a\u6d88\u606fok\uff0c\u786e\u8ba4\u6587\u4ef6\u540d\u4fdd\u5b58\u6210\u529f\u3002<\/p>\n<p>3\u3001\u53d1\u9001\u65b9\uff08\u5ba2\u6237\u7aef\uff09\u6536\u5230\u6d88\u606f\u540e\uff0c\u5f00\u59cb\u5411\u670d\u52a1\u7aef\u53d1\u9001\u6587\u4ef6\u6570\u636e\u3002<\/p>\n<p>4\u3001\u63a5\u6536\u65b9\uff08\u670d\u52a1\u7aef\uff09\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff0c\u5199\u5165\u5230\u4e4b\u524d\u4fdd\u5b58\u597d\u7684\u6587\u4ef6\u4e2d\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gulass.cn\/wp-content\/uploads\/2022\/07\/2022726100523126.jpg\" alt=\"\" width=\"867\" height=\"483\" class=\"alignnone size-full wp-image-248889\" srcset=\"https:\/\/gulass.cn\/wp-content\/uploads\/2022\/07\/2022726100523126.jpg 867w, https:\/\/gulass.cn\/wp-content\/uploads\/2022\/07\/2022726100523126-300x167.jpg 300w, https:\/\/gulass.cn\/wp-content\/uploads\/2022\/07\/2022726100523126-768x428.jpg 768w\" sizes=\"auto, (max-width: 867px) 100vw, 867px\" \/><\/p>\n<p>\u9996\u5148\u83b7\u53d6\u6587\u4ef6\u540d\u3002\u501f\u52a9os\u5305\u4e2d\u7684stat()\u51fd\u6570\u6765\u83b7\u53d6\u6587\u4ef6\u5c5e\u6027\u4fe1\u606f\u3002\u5728\u51fd\u6570\u8fd4\u56de\u7684\u6587\u4ef6\u5c5e\u6027\u4e2d\u5305\u542b\u6587\u4ef6\u540d\u548c\u6587\u4ef6\u5927\u5c0f\u3002Stat\u53c2\u6570name\u4f20\u5165\u7684\u662f\u6587\u4ef6\u8bbf\u95ee\u7684\u7edd\u5bf9\u8def\u5f84\u3002FileInfo\u4e2d\u7684Name()\u51fd\u6570\u53ef\u4ee5\u5c06\u6587\u4ef6\u540d\u5355\u72ec\u63d0\u53d6\u51fa\u6765\u3002<\/p>\n<pre>func Stat(name string) (FileInfo, error) \r\ntype FileInfo interface {\r\n   Name() string       \r\n   Size() int64        \r\n   Mode() FileMode     \r\n   ModTime() time.Time \r\n   IsDir() bool        \r\n   Sys() interface{}   \r\n}<\/pre>\n<p>\u53d1\u9001\u7aef\uff1a<\/p>\n<pre>package main\r\n \r\nimport (\r\n    \"fmt\"\r\n    \"io\"\r\n    \"net\"\r\n    \"os\"\r\n)\r\n \r\nfunc sendFile(conn net.Conn, filePath string) {\r\n    \/\/ \u53ea\u8bfb\u6253\u5f00\u6587\u4ef6\r\n    f, err := os.Open(filePath)\r\n    if err != nil {\r\n        fmt.Println(\"os.Open err:\", err)\r\n        return\r\n    }\r\n    defer f.Close()\r\n \r\n    \/\/ \u4ece\u672c\u6587\u4ef6\u4e2d\uff0c\u8bfb\u6570\u636e\uff0c\u5199\u7ed9\u7f51\u7edc\u63a5\u6536\u7aef\u3002 \u8bfb\u591a\u5c11\uff0c\u5199\u591a\u5c11\u3002\u539f\u5c01\u4e0d\u52a8\u3002\r\n    buf := make([]byte, 1024)\r\n    for {\r\n        n, err := f.Read(buf)\r\n        if err != nil {\r\n            if err == io.EOF {\r\n                fmt.Println(\"\u53d1\u9001\u6587\u4ef6\u5b8c\u6210\u3002\")\r\n            } else {\r\n                fmt.Println(\"os.Open err:\", err)\r\n            }\r\n            return\r\n        }\r\n        \/\/ \u5199\u5230\u7f51\u7edcsocket\u4e2d\r\n        _, err = conn.Write(buf[:n])\r\n        if err != nil {\r\n            fmt.Println(\"conn.Write err:\", err)\r\n            return\r\n        }\r\n    }\r\n}\r\n \r\nfunc main() {\r\n    list := os.Args \/\/ \u83b7\u53d6\u547d\u4ee4\u884c\u53c2\u6570\r\n \r\n    if len(list) != 2 {\r\n        fmt.Println(\"\u683c\u5f0f\u4e3a\uff1ago run xxx.go \u6587\u4ef6\u7edd\u5bf9\u8def\u5f84\")\r\n        return\r\n    }\r\n    \/\/ \u63d0\u53d6 \u6587\u4ef6\u7684\u7edd\u5bf9\u8def\u5f84\r\n    filePath := list[1]\r\n \r\n    \/\/\u63d0\u53d6\u6587\u4ef6\u540d\r\n    fileInfo, err := os.Stat(filePath)\r\n    if err != nil {\r\n        fmt.Println(\"os.Stat err:\", err)\r\n        return\r\n    }\r\n    fileName := fileInfo.Name()\r\n \r\n    \/\/ \u4e3b\u52a8\u53d1\u8d77\u8fde\u63a5\u8bf7\u6c42\r\n    conn, err := net.Dial(\"tcp\", \"127.0.0.1:8000\")\r\n    if err != nil {\r\n        fmt.Println(\"net.Dial err:\", err)\r\n        return\r\n    }\r\n    defer conn.Close()\r\n \r\n    \/\/ \u53d1\u9001\u6587\u4ef6\u540d\u7ed9 \u63a5\u6536\u7aef\r\n    _, err = conn.Write([]byte(fileName))\r\n    if err != nil {\r\n        fmt.Println(\"conn.Write err:\", err)\r\n        return\r\n    }\r\n    \/\/ \u8bfb\u53d6\u670d\u52a1\u5668\u56de\u53d1\u7684 OK\r\n    buf := make([]byte, 1024)\r\n    n, err := conn.Read(buf)\r\n    if err != nil {\r\n        fmt.Println(\"conn.Read err:\", err)\r\n        return\r\n    }\r\n \r\n    if \"ok\" == string(buf[:n]) {\r\n        \/\/ \u5199\u6587\u4ef6\u5185\u5bb9\u7ed9\u670d\u52a1\u5668\u2014\u2014\u501f\u52a9conn\r\n        sendFile(conn, filePath)\r\n    }\r\n}<\/pre>\n<p>\u63a5\u6536\u7aef\uff1a<\/p>\n<pre>\r\npackage main\r\n \r\nimport (\r\n    \"fmt\"\r\n    \"net\"\r\n    \"os\"\r\n)\r\n \r\nfunc recvFile(conn net.Conn, fileName string) {\r\n    \/\/ \u6309\u7167\u6587\u4ef6\u540d\u521b\u5efa\u65b0\u6587\u4ef6\r\n    f, err := os.Create(fileName)\r\n    if err != nil {\r\n        fmt.Println(\"os.Create err:\", err)\r\n        return\r\n    }\r\n    defer f.Close()\r\n \r\n    \/\/ \u4ece \u7f51\u7edc\u4e2d\u8bfb\u6570\u636e\uff0c\u5199\u5165\u672c\u5730\u6587\u4ef6\r\n    buf := make([]byte, 1024)\r\n    for {\r\n        n, _ := conn.Read(buf)\r\n        if n == 0 {\r\n            fmt.Println(\"\u63a5\u6536\u6587\u4ef6\u5b8c\u6210\u3002\")\r\n            return\r\n        }\r\n        \/\/ \u5199\u5165\u672c\u5730\u6587\u4ef6\uff0c\u8bfb\u591a\u5c11\uff0c\u5199\u591a\u5c11\u3002\r\n        f.Write(buf[:n])\r\n    }\r\n}\r\n \r\nfunc main() {\r\n    \/\/ \u521b\u5efa\u7528\u4e8e\u76d1\u542c\u7684socket\r\n    listener, err := net.Listen(\"tcp\", \"127.0.0.1:8000\")\r\n    if err != nil {\r\n        fmt.Println(\" net.Listen err:\", err)\r\n        return\r\n    }\r\n    defer listener.Close()\r\n \r\n    fmt.Println(\"\u63a5\u6536\u7aef\u542f\u52a8\u6210\u529f\uff0c\u7b49\u5f85\u53d1\u9001\u7aef\u53d1\u9001\u6587\u4ef6\uff01\")\r\n \r\n    \/\/ \u963b\u585e\u76d1\u542c\r\n    conn, err := listener.Accept()\r\n    if err != nil {\r\n        fmt.Println(\" listener.Accept() err:\", err)\r\n        return\r\n    }\r\n    defer conn.Close()\r\n \r\n    \/\/ \u83b7\u53d6\u6587\u4ef6\u540d\uff0c\u4fdd\u5b58\r\n    buf := make([]byte, 1024)\r\n    n, err := conn.Read(buf)\r\n    if err != nil {\r\n        fmt.Println(\" conn.Read err:\", err)\r\n        return\r\n    }\r\n    fileName := string(buf[:n])\r\n \r\n    \/\/ \u56de\u5199 ok \u7ed9\u53d1\u9001\u7aef\r\n    conn.Write([]byte(\"ok\"))\r\n \r\n    \/\/ \u83b7\u53d6\u6587\u4ef6\u5185\u5bb9\r\n    recvFile(conn, fileName)\r\n}<\/pre>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u5b9e\u4f8b\u4e3a\u5927\u5bb6\u5206\u4eab\u4e86Golang\u5b9e\u73b0\u6587\u4ef6\u4f20\u8f93\u7684\u5177\u4f53\u4ee3\u7801\uff0c\u4f9b\u5927\u5bb6\u53c2\u8003\uff0c\u5177\u4f53\u5185\u5bb9\u5982\u4e0b \u501f\u52a9TCP\u5b8c\u6210\u6587\u4ef6\u7684\u4f20\u8f93\uff0c\u57fa [&hellip;]<\/p>\n","protected":false},"author":668,"featured_media":232819,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-248886","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thread"],"acf":[],"_links":{"self":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/248886","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/users\/668"}],"replies":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/comments?post=248886"}],"version-history":[{"count":4,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/248886\/revisions"}],"predecessor-version":[{"id":248891,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/248886\/revisions\/248891"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/media\/232819"}],"wp:attachment":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/media?parent=248886"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/categories?post=248886"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/tags?post=248886"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}