{"id":48168,"date":"2024-12-02T16:33:08","date_gmt":"2024-12-02T08:33:08","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48168\/"},"modified":"2024-12-02T16:33:08","modified_gmt":"2024-12-02T08:33:08","slug":"java-%e5%9c%a8-d-%e7%9b%98%e5%88%9b%e5%bb%ba%e6%96%87%e4%bb%b6%e5%a4%b9%ef%bc%9a%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3%e6%9d%83%e9%99%90%e9%97%ae%e9%a2%98%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48168\/","title":{"rendered":"Java \u5728 D \u76d8\u521b\u5efa\u6587\u4ef6\u5939\uff1a\u5982\u4f55\u89e3\u51b3\u6743\u9650\u95ee\u9898\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java \u5728 D \u76d8\u521b\u5efa\u6587\u4ef6\u5939\uff1a\u5982\u4f55\u89e3\u51b3\u6743\u9650\u95ee\u9898\uff1f<\/h1>\n<p>\u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929\u7c73\u4e91\u5c31\u6574\u7406\u5206\u4eab\u300aJava \u5728 D \u76d8\u521b\u5efa\u6587\u4ef6\u5939\uff1a\u5982\u4f55\u89e3\u51b3\u6743\u9650\u95ee\u9898\uff1f\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u7c73\u4e91\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241105\/17307842766729ac147f8a4.jpg\" class=\"aligncenter\" title=\"Java \u5728 D \u76d8\u521b\u5efa\u6587\u4ef6\u5939\uff1a\u5982\u4f55\u89e3\u51b3\u6743\u9650\u95ee\u9898\uff1f\u63d2\u56fe\" alt=\"Java \u5728 D \u76d8\u521b\u5efa\u6587\u4ef6\u5939\uff1a\u5982\u4f55\u89e3\u51b3\u6743\u9650\u95ee\u9898\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>java \u5728\u4e0d\u540c\u5206\u533a\u521b\u5efa\u6587\u4ef6\u5939\uff1a\u6743\u9650\u95ee\u9898<\/strong><\/p>\n<p>\u5728 java \u4e2d\uff0c\u5f53\u5c1d\u8bd5\u5728\u67d0\u4e9b\u5206\u533a\uff08\u5982 d \u76d8\uff09\u521b\u5efa\u6587\u4ef6\u5939\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u6743\u9650\u4e0d\u8db3\u7684\u95ee\u9898\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n<p>\u5982\u95ee\u9898\u7b54\u6848\u6240\u793a\uff0c\u89e3\u51b3\u6b64\u95ee\u9898\u7684\u65b9\u6cd5\u662f\u4e3a\u7279\u5b9a\u5206\u533a\u8bbe\u7f6e\u9002\u5f53\u7684\u6743\u9650\u3002\u4ee5\u4e0b\u662f\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\u53f3\u952e\u5355\u51fb d \u76d8\u5e76\u9009\u62e9\u201c\u5c5e\u6027\u201d\u3002<\/li>\n<li>\u5728\u201c\u5b89\u5168\u201d\u9009\u9879\u5361\u4e2d\uff0c\u5355\u51fb\u201c\u9ad8\u7ea7\u201d\u3002<\/li>\n<li>\u5728\u201c\u6240\u6709\u8005\u201d\u9009\u9879\u5361\u4e2d\uff0c\u786e\u4fdd\u60a8\u62e5\u6709\u6587\u4ef6\u5939\u7684\u5b8c\u6574\u63a7\u5236\u6743\u9650\u3002<\/li>\n<li>\u5728\u201c\u6743\u9650\u201d\u9009\u9879\u5361\u4e2d\uff0c\u786e\u4fdd\u60a8\u5df2\u4e3a\u60a8\u7684\u7528\u6237\u5e10\u6237\u5206\u914d\u4e86\u201c\u5b8c\u5168\u63a7\u5236\u201d\u6743\u9650\u3002<\/li>\n<\/ol>\n<p><strong>\u4fee\u6539\u540e\u4ee3\u7801<\/strong><\/p>\n<p>\u8bbe\u7f6e\u5fc5\u8981\u7684\u6743\u9650\u540e\uff0c\u4fee\u6539\u540e\u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre>import java.io.File;\nimport java.io.IOException;\n\npublic class FileTestDemo01 {\n    public static void main(String args[]) {\n        File folder = new File(\"d:\" + File.separator + \"myword\");\n\n        if (!folder.exists()) {\n            folder.mkdir();\n        }\n\n        File f = new File(\"d:\" + File.separator + \"myword\" + File.separator + \"word\");\n\n        if (f.exists()) {\n            f.delete();\n        } else {\n            try {\n                f.createNewFile();\n            } catch (IOException e) {\n                e.printStackTrace();\n            }\n        }\n    }\n}<\/pre>\n<p>\u901a\u8fc7\u8bbe\u7f6e\u6743\u9650\uff0cjava \u7a0b\u5e8f\u73b0\u5728\u5e94\u8be5\u80fd\u591f\u5728 d \u76d8\u521b\u5efa\u6587\u4ef6\u5939\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u7c73\u4e91\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java \u5728 D \u76d8\u521b\u5efa\u6587\u4ef6\u5939\uff1a\u5982\u4f55\u89e3\u51b3\u6743\u9650\u95ee\u9898\uff1f \u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929\u7c73\u4e91\u5c31\u6574\u7406\u5206\u4eab\u300aJava \u5728 D \u76d8\u521b\u5efa\u6587\u4ef6\u5939\uff1a\u5982\u4f55\u89e3\u51b3\u6743\u9650\u95ee\u9898\uff1f\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u7c73\u4e91\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002 java \u5728\u4e0d\u540c\u5206\u533a\u521b\u5efa\u6587\u4ef6\u5939\uff1a\u6743\u9650\u95ee\u9898 \u5728 java \u4e2d\uff0c\u5f53\u5c1d\u8bd5\u5728\u67d0\u4e9b\u5206\u533a\uff08\u5982 d \u76d8\uff09\u521b\u5efa\u6587\u4ef6\u5939\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u6743\u9650\u4e0d\u8db3\u7684\u95ee\u9898\u3002 \u89e3\u51b3\u65b9\u6848 \u5982\u95ee\u9898\u7b54\u6848\u6240\u793a\uff0c\u89e3\u51b3\u6b64\u95ee\u9898\u7684\u65b9\u6cd5\u662f\u4e3a\u7279\u5b9a\u5206\u533a\u8bbe\u7f6e\u9002\u5f53\u7684\u6743\u9650\u3002\u4ee5\u4e0b\u662f\u6b65\u9aa4\uff1a \u53f3\u952e\u5355\u51fb d \u76d8\u5e76\u9009\u62e9\u201c\u5c5e\u6027\u201d\u3002 \u5728\u201c\u5b89\u5168\u201d\u9009\u9879\u5361\u4e2d\uff0c\u5355\u51fb\u201c\u9ad8\u7ea7\u201d\u3002 \u5728\u201c\u6240\u6709\u8005\u201d\u9009\u9879\u5361\u4e2d\uff0c\u786e\u4fdd\u60a8\u62e5\u6709\u6587\u4ef6\u5939\u7684\u5b8c\u6574\u63a7\u5236\u6743\u9650\u3002 \u5728\u201c\u6743\u9650\u201d\u9009\u9879\u5361\u4e2d\uff0c\u786e\u4fdd\u60a8\u5df2\u4e3a\u60a8\u7684\u7528\u6237\u5e10\u6237\u5206\u914d\u4e86\u201c\u5b8c\u5168\u63a7\u5236\u201d\u6743\u9650\u3002 \u4fee\u6539\u540e\u4ee3\u7801 \u8bbe\u7f6e\u5fc5\u8981\u7684\u6743\u9650\u540e\uff0c\u4fee\u6539\u540e\u7684\u4ee3\u7801\u5982\u4e0b\uff1a import java.io.File; import java.io.IOException; public class FileTestDemo01 { public static void main(String args[]) { File folder = new File(&#8220;d:&#8221; + File.separator + &#8220;myword&#8221;); if (!folder.exists()) { folder.mkdir(); } File f [&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-48168","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48168","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=48168"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48168\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48168"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}