{"id":37157,"date":"2024-11-26T12:18:19","date_gmt":"2024-11-26T04:18:19","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37157\/"},"modified":"2024-11-26T12:18:19","modified_gmt":"2024-11-26T04:18:19","slug":"java%e6%80%8e%e4%b9%88%e6%8a%8atxt%e5%ad%98%e5%85%a5%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37157\/","title":{"rendered":"java\u600e\u4e48\u628atxt\u5b58\u5165\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u4f7f\u7528 java \u4e2d\u7684 files.readalllines \u65b9\u6cd5\u5c06 txt \u6587\u4ef6\u7684\u5185\u5bb9\u8bfb\u53d6\u5230\u5217\u8868\u4e2d\uff0c\u7136\u540e\u4f7f\u7528 toarray \u65b9\u6cd5\u5c06\u5217\u8868\u7684\u5185\u5bb9\u590d\u5236\u5230\u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u5373\u53ef\u5c06 txt \u6587\u4ef6\u5b58\u50a8\u5230\u6570\u7ec4\u4e2d\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111302064331371.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u628atxt\u5b58\u5165\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u628atxt\u5b58\u5165\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u5c06 TXT \u6587\u4ef6\u5b58\u50a8\u5230\u6570\u7ec4\u7684\u65b9\u6cd5<\/strong><\/p>\n<p>\u5c06 TXT \u6587\u4ef6\u4e2d\u7684\u5185\u5bb9\u5b58\u50a8\u5230 Java \u6570\u7ec4\u4e2d\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u5bf9\u5b9e\u73b0\u6b64\u64cd\u4f5c\u7684\u9010\u6b65\u6307\u5357\uff1a<\/p>\n<p><strong>1. \u5bfc\u5165\u5fc5\u8981\u7684\u7c7b<\/strong><\/p>\n<pre>import java.io.File;\nimport java.io.IOException;\nimport java.nio.file.Files;\nimport java.util.ArrayList;\nimport java.util.List;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u521b\u5efa\u4e00\u4e2a\u6587\u4ef6\u5bf9\u8c61<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>File file = new File(\"path\/to\/text_file.txt\");<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u5230\u5217\u8868<\/strong><\/p>\n<p>\u4f7f\u7528 Files.readAllLines \u65b9\u6cd5\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u5217\u8868\u4e2d\u3002<\/p>\n<pre>List&lt;String&gt; lines = null;\ntry {\n    lines = Files.readAllLines(file.toPath());\n} catch (IOException e) {\n    e.printStackTrace();\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u6765\u5b58\u50a8\u5217\u8868\u5185\u5bb9<\/strong><\/p>\n<p>\u6839\u636e\u5217\u8868\u7684\u5927\u5c0f\u521b\u5efa\u4e00\u4e2a\u3002<\/p>\n<pre>String[] array = new String[lines.size()];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>5. \u5c06\u5217\u8868\u5185\u5bb9\u590d\u5236\u5230\u6570\u7ec4<\/strong><\/p>\n<p>\u4f7f\u7528 toArray \u65b9\u6cd5\u5c06\u5217\u8868\u7684\u5185\u5bb9\u590d\u5236\u5230\u6570\u7ec4\u4e2d\u3002<\/p>\n<pre>array = lines.toArray(array);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n<pre>import java.io.File;\nimport java.io.IOException;\nimport java.nio.file.Files;\nimport java.util.ArrayList;\nimport java.util.List;\n\npublic class TxtToArray {\n\n    public static void main(String[] args) {\n        \/\/ \u6587\u4ef6\u8def\u5f84\n        String filePath = \"path\/to\/text_file.txt\";\n\n        \/\/ \u521b\u5efa File \u5bf9\u8c61\n        File file = new File(filePath);\n\n        \/\/ \u8bfb\u53d6\u6587\u4ef6\u5230\u5217\u8868\n        List&lt;String&gt; lines = null;\n        try {\n            lines = Files.readAllLines(file.toPath());\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n\n        \/\/ \u521b\u5efa\u6570\u7ec4\u6765\u5b58\u50a8\u5217\u8868\u5185\u5bb9\n        String[] array = new String[lines.size()];\n\n        \/\/ \u5c06\u5217\u8868\u5185\u5bb9\u590d\u5236\u5230\u6570\u7ec4\n        array = lines.toArray(array);\n\n        \/\/ \u8f93\u51fa\u6570\u7ec4\u5185\u5bb9\n        for (String line : array) {\n            System.out.println(line);\n        }\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u786e\u4fdd\u6587\u4ef6\u8def\u5f84\u6b63\u786e\u65e0\u8bef\u3002<\/li>\n<li>\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\u6216\u65e0\u6cd5\u8bfb\u53d6\uff0c\u5219\u4f1a\u5f15\u53d1 IOException\u3002<\/li>\n<li>\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8c03\u6574\u5206\u5272\u7b26\u4ee5\u5904\u7406\u5305\u542b\u591a\u4e2a\u503c\u7684\u6587\u672c\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u628atxt\u5b58\u5165\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528 java \u4e2d\u7684 files.readalllines \u65b9\u6cd5\u5c06 txt \u6587\u4ef6\u7684\u5185\u5bb9\u8bfb\u53d6\u5230\u5217\u8868\u4e2d\uff0c\u7136\u540e\u4f7f\u7528 toarray \u65b9\u6cd5\u5c06\u5217\u8868\u7684\u5185\u5bb9\u590d\u5236\u5230\u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u5373\u53ef\u5c06 txt \u6587\u4ef6\u5b58\u50a8\u5230\u6570\u7ec4\u4e2d\u3002 Java \u4e2d\u5c06 TXT \u6587\u4ef6\u5b58\u50a8\u5230\u6570\u7ec4\u7684\u65b9\u6cd5 \u5c06 TXT \u6587\u4ef6\u4e2d\u7684\u5185\u5bb9\u5b58\u50a8\u5230 Java \u6570\u7ec4\u4e2d\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u5bf9\u5b9e\u73b0\u6b64\u64cd\u4f5c\u7684\u9010\u6b65\u6307\u5357\uff1a 1. \u5bfc\u5165\u5fc5\u8981\u7684\u7c7b import java.io.File; import java.io.IOException; import java.nio.file.Files; import java.util.ArrayList; import java.util.List; \u767b\u5f55\u540e\u590d\u5236 2. \u521b\u5efa\u4e00\u4e2a\u6587\u4ef6\u5bf9\u8c61 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b File file = new File(&#8220;path\/to\/text_file.txt&#8221;); \u767b\u5f55\u540e\u590d\u5236 3. \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u5230\u5217\u8868 \u4f7f\u7528 Files.readAllLines \u65b9\u6cd5\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u5217\u8868\u4e2d\u3002 List&lt;String&gt; lines = null; try { lines = [&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-37157","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37157","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=37157"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37157\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}