{"id":64320,"date":"2025-05-03T15:15:57","date_gmt":"2025-05-03T07:15:57","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64320\/"},"modified":"2025-05-03T15:15:57","modified_gmt":"2025-05-03T07:15:57","slug":"java%e6%80%8e%e4%b9%88%e8%ae%a9%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%8f%98%e6%88%90%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64320\/","title":{"rendered":"java\u600e\u4e48\u8ba9\u5b57\u7b26\u4e32\u53d8\u6210\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u7b54\u6848\uff1a java \u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6570\u7ec4\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528 split() \u65b9\u6cd5\u5206\u5272\u5b57\u7b26\u4e32\u4f7f\u7528 tochararray() \u65b9\u6cd5\u8f6c\u6362\u4e3a\u5b57\u7b26\u6570\u7ec4\u7ed3\u5408 string.valueof() \u548c arrays.aslist() \u8f6c\u6362\u4e3a\u6570\u7ec4\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/03\/2024110305035143108.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u8ba9\u5b57\u7b26\u4e32\u53d8\u6210\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u8ba9\u5b57\u7b26\u4e32\u53d8\u6210\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5c06 Java \u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6570\u7ec4<\/strong><\/p>\n<p>\u5c06 Java \u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6570\u7ec4\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 split() \u65b9\u6cd5<\/strong><\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>String[] array = string.split(regex);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8bf4\u660e\uff1a<\/strong><\/p>\n<ul>\n<li>string \u662f\u8981\u8f6c\u6362\u7684\u5b57\u7b26\u4e32\u3002<\/li>\n<li>regex \u662f\u7528\u4e8e\u5206\u5272\u5b57\u7b26\u4e32\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u5c06\u9017\u53f7\u5206\u9694\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6570\u7ec4\uff1a<\/p>\n<pre>String str = \"1,2,3,4,5\";\nString[] array = str.split(\",\");<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528 toCharArray() \u65b9\u6cd5<\/strong><\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>char[] array = string.toCharArray();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8bf4\u660e\uff1a<\/strong><\/p>\n<ul>\n<li>\u8fd9\u4e2a\u65b9\u6cd5\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5b57\u7b26\u6570\u7ec4\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u4ee3\u8868\u5b57\u7b26\u4e32\u4e2d\u7684\u4e00\u4e2a\u5b57\u7b26\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5b57\u7b26\u6570\u7ec4\uff1a<\/p>\n<pre>String str = \"Hello\";\nchar[] array = str.toCharArray();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528 String.valueOf() \u65b9\u6cd5\u548c Arrays.asList() \u65b9\u6cd5<\/strong><\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>String[] array = Arrays.asList(String.valueOf(str)).toArray(new String[0]);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8bf4\u660e\uff1a<\/strong><\/p>\n<ul>\n<li>String.valueOf(str) \u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a String[]\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u4e2a\u5143\u7d20\u3002<\/li>\n<li>Arrays.asList() \u5c06 String[] \u8f6c\u6362\u4e3a List\u3002<\/li>\n<li>toArray() \u5c06 List \u8f6c\u6362\u4e3a\u6570\u7ec4\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6570\u7ec4\uff1a<\/p>\n<pre>String str = \"World\";\nString[] array = Arrays.asList(String.valueOf(str)).toArray(new String[0]);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u8ba9\u5b57\u7b26\u4e32\u53d8\u6210\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b54\u6848\uff1a java \u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6570\u7ec4\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528 split() \u65b9\u6cd5\u5206\u5272\u5b57\u7b26\u4e32\u4f7f\u7528 tochararray() \u65b9\u6cd5\u8f6c\u6362\u4e3a\u5b57\u7b26\u6570\u7ec4\u7ed3\u5408 string.valueof() \u548c arrays.aslist() \u8f6c\u6362\u4e3a\u6570\u7ec4 \u5982\u4f55\u5c06 Java \u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6570\u7ec4 \u5c06 Java \u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6570\u7ec4\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a 1. \u4f7f\u7528 split() \u65b9\u6cd5 \u8bed\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b String[] array = string.split(regex); \u767b\u5f55\u540e\u590d\u5236 \u8bf4\u660e\uff1a string \u662f\u8981\u8f6c\u6362\u7684\u5b57\u7b26\u4e32\u3002 regex \u662f\u7528\u4e8e\u5206\u5272\u5b57\u7b26\u4e32\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u3002 \u793a\u4f8b\uff1a \u5c06\u9017\u53f7\u5206\u9694\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6570\u7ec4\uff1a String str = &#8220;1,2,3,4,5&#8221;; String[] array = str.split(&#8220;,&#8221;); \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 toCharArray() \u65b9\u6cd5 \u8bed\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b char[] array = string.toCharArray(); \u767b\u5f55\u540e\u590d\u5236 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-64320","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64320","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=64320"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64320\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64320"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64320"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64320"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}