{"id":505,"date":"2017-02-12T11:02:19","date_gmt":"2017-02-12T03:02:19","guid":{"rendered":"http:\/\/www.rainweb.site\/?p=505"},"modified":"2023-08-07T20:57:29","modified_gmt":"2023-08-07T12:57:29","slug":"java-article51","status":"publish","type":"post","link":"http:\/\/rain1024.com\/index.php\/2017\/02\/12\/java-article51\/","title":{"rendered":"Java\u9ad8\u7ea7\u5e94\u7528\u4e4b&#8212;\u6587\u4ef6\u7684\u8fc7\u6ee4\u63a5\u53e3\u4f7f\u7528"},"content":{"rendered":"<h2>FilenameFilter\u662f\u4e00\u4e2a\u6587\u4ef6\u8fc7\u6ee4\u63a5\u53e3\uff0c\u53ef\u4ee5\u6839\u636e\u6587\u4ef6\u540e\u7f00\u7b49\u7279\u5f81\u8fdb\u884c\u8fc7\u6ee4\uff0c\u5c06\u7b26\u5408\u6761\u4ef6\u7684\u6587\u4ef6\u7b5b\u9009\u51fa\u6765\u3002\u4f7f\u7528FilenameFilter\u65f6\uff0c\u53ea\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u7c7b\u5b9e\u73b0\u63a5\u53e3\u7684accpt()\u65b9\u6cd5\uff0c\u6216\u8005\u76f4\u63a5\u4f7f\u7528\u4e00\u4e2a\u533f\u540d\u7c7b\u3002<\/h2>\n<h2>\u4e0b\u9762\u662f\u793a\u4f8b\u4ee3\u7801<\/h2>\n<pre><code>package com.qst.chapter01;\n\nimport java.io.File;\nimport java.io.FilenameFilter;\n\npublic class FilenameFilterDemo {\n\n    public static void main(String[] args) {\n        \/\/ \u6839\u636e\u8def\u5f84\u540d\u79f0\u521b\u5efaFile\u5bf9\u8c61\n        File file = new File(\"C:\\\\Program Files\\\\Java\");\n        \/\/ \u5f97\u5230\u6587\u4ef6\u540d\u5217\u8868\n        if (file.exists() &amp;&amp; file.isDirectory()) {\n            \/\/ \u663e\u793a\u8be5\u76ee\u5f55\u4e0b\u6240\u6709\u6587\u4ef6\u5217\u8868\n            String[] allFileNames = file.list();\n\n            for (String name : allFileNames) {\n                System.out.println(name);\n            }\n            System.out.println(\"--------------------\");\n\n            \/\/ \u521b\u5efaFileNameFilter\u7c7b\u578b\u7684\u533f\u540d\u7c7b\uff0c\u5e76\u4f5c\u4e3a\u53c2\u6570\u4f20\u5165\u5230list()\u65b9\u6cd5\u4e2d\n            String[] filterFileNames = file.list(new FilenameFilter() {\n                public boolean accept(File dir, String name) {\n                    \/\/ \u5bf9\u6587\u4ef6\u540d\u8fdb\u884c\u8fc7\u6ee4\uff0c\u6587\u4ef6\u540d\u7684\u540e\u7f00\u4e3a.zip\u6216.txt\n                    return (name.endsWith(\".zip\") || name.endsWith(\".txt\"));\n                }\n            });\n            System.out.println(\"\u8fc7\u6ee4\u540e\u7684\u6587\u4ef6\u5217\u8868\uff1a\");\n            for (String name : filterFileNames) {\n                System.out.println(name);\n            }\n        }\n\n    }\n\n}\n\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>FilenameFilter\u662f\u4e00\u4e2a\u6587\u4ef6\u8fc7\u6ee4\u63a5\u53e3\uff0c\u53ef\u4ee5\u6839\u636e\u6587\u4ef6\u540e\u7f00\u7b49\u7279\u5f81\u8fdb\u884c\u8fc7\u6ee4\uff0c\u5c06\u7b26\u5408\u6761\u4ef6\u7684\u6587\u4ef6\u7b5b\u9009\u51fa\u6765\u3002\u4f7f\u7528\u2026 <span class=\"read-more\"><a href=\"http:\/\/rain1024.com\/index.php\/2017\/02\/12\/java-article51\/\">Read More &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":509,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"aside","meta":{"footnotes":""},"categories":[31],"tags":[46,76],"class_list":["post-505","post","type-post","status-publish","format-aside","has-post-thumbnail","hentry","category-java","tag-java","tag-io","post_format-post-format-aside"],"_links":{"self":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts\/505","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/comments?post=505"}],"version-history":[{"count":1,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts\/505\/revisions"}],"predecessor-version":[{"id":1490,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts\/505\/revisions\/1490"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/media\/509"}],"wp:attachment":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/media?parent=505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/categories?post=505"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/tags?post=505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}