{"id":924,"date":"2018-09-17T18:27:12","date_gmt":"2018-09-17T09:27:12","guid":{"rendered":"https:\/\/chat-messenger.com\/?p=924"},"modified":"2018-12-23T02:00:53","modified_gmt":"2018-12-22T17:00:53","slug":"file-getpreffix","status":"publish","type":"post","link":"https:\/\/chat-messenger.com\/zh_tw\/\u90e8\u843d\u683c\/java\/\u6587\u4ef6\u53d6\u5f97\u524d\u7db4","title":{"rendered":"\u5f9e Java \u6a94\u6848\u540d\u7a31\u4e2d\u522a\u9664\u526f\u6a94\u540d"},"content":{"rendered":"<h2 class=\"common_title\"><a name=\"0\">\u5f9e Java \u6a94\u6848\u540d\u7a31\u4e2d\u522a\u9664\u526f\u6a94\u540d<\/a><\/h2>\n<p>\n\u722a\u54c7\u8a9e<strong>\u6a94\u6848\u540d\u7a31<\/strong>\u5f9e<strong>\u64f4\u5927<\/strong>\u9019\u662f\u50b3\u56de\u5e36\u6709 \u7684\u540d\u7a31\u7684\u7bc4\u4f8b\u4f86\u6e90\u3002\n<\/p>\n<h2 class=\"common_title\"><a name=\"1\">\u7bc4\u4f8b\u7a0b\u5f0f<\/a><\/h2>\n<pre class=\"sample_src\">\/** * \u50b3\u56de\u4e0d\u542b\u526f\u6a94\u540d\u7684\u6a94\u540d\u3002 * @param fileName \u6a94\u6848\u540d\u7a31 * @return \u6a94\u6848\u540d\u7a31 *\/ public static String getPrefix(String fileName) { if (fileName == null) return null; int point = fileName.lastIndexOf(&quot;.&quot;); if (point != - 1) { return fileName.substring(0, point); } return fileName; }\r\n<\/pre>\n<p><script type=\"text\/javascript\" src=\"https:\/\/chat-messenger.com\/js\/common.js?dd12sssas2223\" charset=\"UTF-8\"><\/script><br \/>\n<script type=\"text\/javascript\"> writePR(); <\/script><\/p>\n<h2 class=\"common_title\"><a name=\"2\">\u57f7\u884c\u7d50\u679c<\/a><\/h2>\n<p>\u25c6\u57f7\u884c\u7bc4\u4f8b<\/p>\n<pre class=\"sample_src\">\/** * \u57f7\u884c\u7bc4\u4f8b * @param args *\/ public static void main(String[] args) { String ret1 = getPreffix(&quot;test.html&quot;); System.out.println(ret1); String ret2 = getPreffix(&quot; C:\\\\test.html&quot;); System.out.println(ret2); }\r\n<\/pre>\n<p>\u25c6\u8f38\u51fa\u7d50\u679c<\/p>\n<pre class=\"console\">\u6e2c\u8a66 C:\\test\r\n<\/pre>","protected":false},"excerpt":{"rendered":"<p>Java \u5f9e\u6a94\u6848\u540d\u7a31\u4e2d\u522a\u9664\u526f\u6a94\u540d \u50b3\u56de\u5728 Java \u4e2d\u522a\u9664\u4e86\u526f\u6a94\u540d\u7684\u6a94\u540d\u7684\u7bc4\u4f8b\u4f86\u6e90 [...]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":""},"categories":[19],"tags":[],"_links":{"self":[{"href":"https:\/\/chat-messenger.com\/zh_tw\/wp-json\/wp\/v2\/posts\/924"}],"collection":[{"href":"https:\/\/chat-messenger.com\/zh_tw\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chat-messenger.com\/zh_tw\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/zh_tw\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/zh_tw\/wp-json\/wp\/v2\/comments?post=924"}],"version-history":[{"count":4,"href":"https:\/\/chat-messenger.com\/zh_tw\/wp-json\/wp\/v2\/posts\/924\/revisions"}],"predecessor-version":[{"id":1891,"href":"https:\/\/chat-messenger.com\/zh_tw\/wp-json\/wp\/v2\/posts\/924\/revisions\/1891"}],"wp:attachment":[{"href":"https:\/\/chat-messenger.com\/zh_tw\/wp-json\/wp\/v2\/media?parent=924"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chat-messenger.com\/zh_tw\/wp-json\/wp\/v2\/categories?post=924"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chat-messenger.com\/zh_tw\/wp-json\/wp\/v2\/tags?post=924"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}