{"id":113348,"date":"2024-03-22T21:18:33","date_gmt":"2024-03-22T12:18:33","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/ftp%e3%82%af%e3%83%a9%e3%82%a4%e3%82%a2%e3%83%b3%e3%83%88%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6java%e3%81%a7%e3%83%87%e3%82%a3%e3%83%ac%e3%82%af%e3%83%88%e3%83%aa%e3%83%84%e3%83%aa%e3%83%bc\/"},"modified":"2024-03-28T14:36:24","modified_gmt":"2024-03-28T05:36:24","slug":"ftp%e3%82%af%e3%83%a9%e3%82%a4%e3%82%a2%e3%83%b3%e3%83%88%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6java%e3%81%a7%e3%83%87%e3%82%a3%e3%83%ac%e3%82%af%e3%83%88%e3%83%aa%e3%83%84%e3%83%aa%e3%83%bc","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/ftp%e3%82%af%e3%83%a9%e3%82%a4%e3%82%a2%e3%83%b3%e3%83%88%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6java%e3%81%a7%e3%83%87%e3%82%a3%e3%83%ac%e3%82%af%e3%83%88%e3%83%aa%e3%83%84%e3%83%aa%e3%83%bc\/","title":{"rendered":"FTP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066Java\u3067\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c4\u30ea\u30fc\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u306f\uff1f"},"content":{"rendered":"<p>Apache Commons Net\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u306eFTPClient\u3067\u968e\u5c64\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3059\u308b\u624b\u9806\uff1a<\/p>\n<ol>\n<li>FTPClient\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30dd\u30fc\u30c8\uff1a<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> org.apache.commons.net.ftp.FTPClient;\r\n<\/code><\/pre>\n<ol>\n<li>FTPClient\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\uff1a<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">FTPClient<\/span> <span class=\"hljs-variable\">ftpClient<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">FTPClient<\/span>();\r\n<\/code><\/pre>\n<ol>\n<li>FTP\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3059\u308b\uff1a<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>ftpClient.connect(server, port); <span class=\"hljs-comment\">\/\/ \u4f20\u5165FTP\u670d\u52a1\u5668\u5730\u5740\u548c\u7aef\u53e3\u53f7<\/span>\r\nftpClient.login(username, password); <span class=\"hljs-comment\">\/\/ \u4f20\u5165FTP\u670d\u52a1\u5668\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801<\/span>\r\n<\/code><\/pre>\n<ol>\n<li>\u30d1\u30c3\u30b7\u30d6\u30e2\u30fc\u30c9\u306b\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u30e2\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\uff08\u4efb\u610f\uff09\uff1a<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>ftpClient.enterLocalPassiveMode();\r\n<\/code><\/pre>\n<ol>\n<li>\u63a5\u7d9a\u72b6\u6cc1\u3092\u78ba\u8a8d<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">if<\/span> (ftpClient.getReplyCode() != <span class=\"hljs-number\">230<\/span>) {\r\n    <span class=\"hljs-keyword\">throw<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">IOException<\/span>(<span class=\"hljs-string\">\"Failed to connect to FTP server\"<\/span>);\r\n}\r\n<\/code><\/pre>\n<ol>\n<li>\u30d1\u30c3\u30b7\u30d6\u30e2\u30fc\u30c9\u3067\u8ee2\u9001\u3092\u958b\u59cb\uff08\u30aa\u30d7\u30b7\u30e7\u30f3\uff09\uff1a<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>ftpClient.enterLocalPassiveMode();\r\n<\/code><\/pre>\n<ol>\n<li>FTP\u30b5\u30fc\u30d0\u306e\u4f5c\u696d\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u30eb\u30fc\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u8a2d\u5b9a\u3059\u308b\uff1a<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>ftpClient.changeWorkingDirectory(<span class=\"hljs-string\">\"\/\"<\/span>);\r\n<\/code><\/pre>\n<ol>\n<li>\u968e\u5c64\u30d5\u30a9\u30eb\u30c0\u3092\u4f5c\u6210\u3059\u308b\uff1a<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>String[] folders = { <span class=\"hljs-string\">\"folder1\"<\/span>, <span class=\"hljs-string\">\"folder2\"<\/span>, <span class=\"hljs-string\">\"folder3\"<\/span> }; <span class=\"hljs-comment\">\/\/ \u6307\u5b9a\u8981\u521b\u5efa\u7684\u6587\u4ef6\u5939\u8def\u5f84<\/span>\r\n<span class=\"hljs-keyword\">for<\/span> (String folder : folders) {\r\n    ftpClient.makeDirectory(folder);\r\n    ftpClient.changeWorkingDirectory(folder);\r\n}\r\n<\/code><\/pre>\n<ol>\n<li>FTP\u30b5\u30fc\u30d0\u3068\u306e\u63a5\u7d9a\u3092\u89e3\u9664\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>ftpClient.logout(); <span class=\"hljs-comment\">\/\/ \u9000\u51fa\u767b\u5f55<\/span>\r\nftpClient.disconnect(); <span class=\"hljs-comment\">\/\/ \u65ad\u5f00\u8fde\u63a5<\/span>\r\n<\/code><\/pre>\n<p>\u5b8c\u6574\u306a\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> org.apache.commons.net.ftp.FTPClient;\r\n<span class=\"hljs-keyword\">import<\/span> java.io.IOException;\r\n\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">FTPCreateMultiLevelDirectories<\/span> {\r\n\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">(String[] args)<\/span> {\r\n        <span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">server<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-string\">\"ftp.example.com\"<\/span>;\r\n        <span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">port<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-number\">21<\/span>;\r\n        <span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">username<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-string\">\"username\"<\/span>;\r\n        <span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">password<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-string\">\"password\"<\/span>;\r\n        String[] folders = { <span class=\"hljs-string\">\"folder1\"<\/span>, <span class=\"hljs-string\">\"folder2\"<\/span>, <span class=\"hljs-string\">\"folder3\"<\/span> };\r\n\r\n        <span class=\"hljs-type\">FTPClient<\/span> <span class=\"hljs-variable\">ftpClient<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">FTPClient<\/span>();\r\n\r\n        <span class=\"hljs-keyword\">try<\/span> {\r\n            ftpClient.connect(server, port);\r\n            ftpClient.login(username, password);\r\n\r\n            <span class=\"hljs-keyword\">if<\/span> (ftpClient.getReplyCode() != <span class=\"hljs-number\">230<\/span>) {\r\n                <span class=\"hljs-keyword\">throw<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">IOException<\/span>(<span class=\"hljs-string\">\"Failed to connect to FTP server\"<\/span>);\r\n            }\r\n\r\n            ftpClient.enterLocalPassiveMode();\r\n            ftpClient.changeWorkingDirectory(<span class=\"hljs-string\">\"\/\"<\/span>);\r\n\r\n            <span class=\"hljs-keyword\">for<\/span> (String folder : folders) {\r\n                ftpClient.makeDirectory(folder);\r\n                ftpClient.changeWorkingDirectory(folder);\r\n            }\r\n\r\n            ftpClient.logout();\r\n            ftpClient.disconnect();\r\n        } <span class=\"hljs-keyword\">catch<\/span> (IOException e) {\r\n            e.printStackTrace();\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u8907\u6570\u306e\u968e\u5c64\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u65e2\u5b58\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30d1\u30b9\u4e0a\u306b\u65b0\u305f\u306a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3059\u308b\u5834\u5408\u30017\u756a\u76ee\u306e\u30b9\u30c6\u30c3\u30d7\u306e\u300cftpClient.changeWorkingDirectory(&#8220;\/&#8221;)\u300d\u306f\u7701\u7565\u53ef\u80fd\u306a\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u306e\u5834\u5408\u3001\u73fe\u5728\u306e\u4f5c\u696d\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u3067\u76f4\u63a5\u65b0\u305f\u306a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Apache Commons Net\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u306eFTPClient\u3067\u968e\u5c64\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3059\u308b\u624b\u9806\uff1a FTPClient\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30dd\u30fc\u30c8\uff1a import org.apache.commons.net.ftp.FTPC [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-113348","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>FTP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066Java\u3067\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c4\u30ea\u30fc\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u306f\uff1f - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/ftp\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066java\u3067\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c4\u30ea\u30fc\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FTP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066Java\u3067\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c4\u30ea\u30fc\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u306f\uff1f\" \/>\n<meta property=\"og:description\" content=\"Apache Commons Net\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u306eFTPClient\u3067\u968e\u5c64\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3059\u308b\u624b\u9806\uff1a FTPClient\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30dd\u30fc\u30c8\uff1a import org.apache.commons.net.ftp.FTPC [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/ftp\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066java\u3067\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c4\u30ea\u30fc\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-22T12:18:33+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-28T05:36:24+00:00\" \/>\n<meta name=\"author\" content=\"\u82bd\u4f9d, \u96e8\u591c\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u82bd\u4f9d, \u96e8\u591c\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\u5206\" \/>\n<script type=\"application\/ld+json\" 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