{"id":257338,"date":"2024-05-15T12:09:53","date_gmt":"2024-05-15T04:09:53","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/257338.html"},"modified":"2024-05-15T12:09:59","modified_gmt":"2024-05-15T04:09:59","slug":"%e5%a6%82%e4%bd%95%e7%94%a8java%e4%bb%a3%e7%a0%81%e6%9b%b4%e6%94%b9%e6%96%87%e4%bb%b6%e7%9a%84%e5%88%9b%e5%bb%ba%e6%97%b6%e9%97%b4","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/257338.html","title":{"rendered":"\u5982\u4f55\u7528java\u4ee3\u7801\u66f4\u6539\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/27103700\/663696b8-b630-44fe-810c-352e5368657f.webp\" alt=\"\u5982\u4f55\u7528java\u4ee3\u7801\u66f4\u6539\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4\" \/><\/p>\n<p><p>\u4f7f\u7528Java\u4ee3\u7801\u66f4\u6539\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4\u4e3b\u8981\u6d89\u53ca\u5230\u83b7\u53d6\u6587\u4ef6\u5c5e\u6027\u3001\u4f7f\u7528\u6587\u4ef6\u5c5e\u6027\u64cd\u4f5c\u63a5\u53e3\u3001\u4ee5\u53ca\u5e94\u7528Java NIO.2 API\u4e2d\u7684<code>Files<\/code>\u7c7b\u548c<code>Path<\/code>\u7c7b\u3002<strong>\u6838\u5fc3\u6280\u672f\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u4f7f\u7528<code>BasicFileAttributeView<\/code>\u3001<code>FileTime<\/code>\u7c7b\u8fdb\u884c\u64cd\u4f5c\u3001\u901a\u8fc7Java NIO.2\u8fdb\u884c\u5b9e\u73b0<\/strong>\u3002\u6211\u4eec\u4e3b\u8981\u4f1a\u96c6\u4e2d\u8ba8\u8bba\u5982\u4f55\u5e94\u7528<code>BasicFileAttributeView<\/code>\u8fdb\u884c\u521b\u5efa\u65f6\u95f4\u7684\u66f4\u6539\u3002<\/p>\n<\/p>\n<p><p><code>BasicFileAttributeView<\/code>\u5141\u8bb8\u6211\u4eec\u8bfb\u53d6\u548c\u8bbe\u7f6e\u6587\u4ef6\u7684\u57fa\u672c\u5c5e\u6027\uff0c\u5305\u62ec\u521b\u5efa\u65f6\u95f4\u3001\u6700\u540e\u8bbf\u95ee\u65f6\u95f4\u548c\u6700\u540e\u4fee\u6539\u65f6\u95f4\u3002\u901a\u8fc7\u4f7f\u7528<code>Files.getFileAttributeView<\/code>\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u83b7\u53d6\u6587\u4ef6\u6216\u8005\u76ee\u5f55\u7684<code>BasicFileAttributeView<\/code>\u5b9e\u4f8b\uff0c\u7136\u540e\u4f7f\u7528<code>setTimes<\/code>\u65b9\u6cd5\u6765\u66f4\u6539\u6587\u4ef6\u5c5e\u6027\uff0c\u5305\u62ec\u521b\u5efa\u65f6\u95f4\u3002<\/p>\n<\/p>\n<p><h2>\u4e00\u3001\u8bbe\u7f6e\u73af\u5883\u4e0e\u524d\u63d0\u6761\u4ef6<\/h2>\n<\/p>\n<p><p>\u8981\u4f7f\u7528Java\u4ee3\u7801\u66f4\u6539\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4\uff0c\u9996\u5148\u9700\u8981\u786e\u4fdd\u4f60\u7684\u5f00\u53d1\u73af\u5883\u5df2\u7ecf\u914d\u7f6e\u597dJava\u5f00\u53d1\u5de5\u5177\u5305\uff08JDK\uff09\u3002\u6b64\u5916\uff0c\u7406\u89e3NIO.2\u4e2d<code>Path<\/code>\u3001<code>Files<\/code>\u7c7b\u7684\u57fa\u7840\u4f7f\u7528\u65b9\u6cd5\u4e5f\u662f\u5fc5\u987b\u7684\uff0c\u56e0\u4e3a\u8fd9\u5c06\u662f\u6211\u4eec\u64cd\u4f5c\u6587\u4ef6\u5c5e\u6027\u7684\u57fa\u7840\u3002<\/p>\n<\/p>\n<p><h3>\u7406\u89e3Path\u548cFiles\u7c7b<\/h3>\n<\/p>\n<p><p><code>Path<\/code>\u7c7b\u662fNIO.2\u4e2d\u8868\u793a\u6587\u4ef6\u8def\u5f84\u548c\u6587\u4ef6\u672c\u8eab\u7684\u6838\u5fc3\u7c7b\u3002\u901a\u8fc7\u4f7f\u7528<code>Paths.get(String path)<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5f97\u5230\u4e00\u4e2a<code>Path<\/code>\u5bf9\u8c61\uff0c\u4ee3\u8868\u6587\u4ef6\u7cfb\u7edf\u4e2d\u7684\u4e00\u4e2a\u6587\u4ef6\u6216\u76ee\u5f55\u3002<code>Files<\/code>\u7c7b\u63d0\u4f9b\u5927\u91cf\u7684\u9759\u6001\u65b9\u6cd5\u6765\u64cd\u4f5c\u6587\u4ef6\uff0c\u5305\u62ec\u6587\u4ef6\u5c5e\u6027\u7684\u8bfb\u53d6\u548c\u8bbe\u7f6e\u3002\u4e86\u89e3\u8fd9\u4e24\u4e2a\u7c7b\u5982\u4f55\u5de5\u4f5c\u662f\u8fdb\u884c\u6587\u4ef6\u5c5e\u6027\u64cd\u4f5c\u7684\u57fa\u7840\u3002<\/p>\n<\/p>\n<p><h2>\u4e8c\u3001\u4f7f\u7528BasicFileAttributeView\u4fee\u6539\u521b\u5efa\u65f6\u95f4<\/h2>\n<\/p>\n<p><p>\u901a\u8fc7Java\u4ee3\u7801\u66f4\u6539\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4\u6d89\u53ca\u5230<code>BasicFileAttributeView<\/code>\u548c<code>FileTime<\/code>\u7c7b\u7684\u4f7f\u7528\u3002\u6211\u4eec\u5c06\u901a\u8fc7\u5177\u4f53\u4ee3\u7801\u6f14\u793a\u6b64\u8fc7\u7a0b\u3002<\/p>\n<\/p>\n<p><h3>\u83b7\u53d6BasicFileAttributeView\u5b9e\u4f8b<\/h3>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u83b7\u53d6\u76ee\u6807\u6587\u4ef6\u7684<code>Path<\/code>\u5bf9\u8c61\uff0c\u7136\u540e\u4f7f\u7528<code>Files.getFileAttributeView()<\/code>\u65b9\u6cd5\u83b7\u53d6<code>BasicFileAttributeView<\/code>\u5b9e\u4f8b\u3002\u8be5\u65b9\u6cd5\u9700\u8981\u4f20\u5165<code>Path<\/code>\u5bf9\u8c61\u548c<code>Class<\/code>\u5bf9\u8c61\uff0c\u8fd9\u91cc\u7684<code>Class<\/code>\u5bf9\u8c61\u4e3a<code>BasicFileAttributeView.class<\/code>\u3002<\/p>\n<\/p>\n<p><h3>\u66f4\u6539\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4<\/h3>\n<\/p>\n<p><p>\u83b7\u53d6<code>BasicFileAttributeView<\/code>\u5b9e\u4f8b\u540e\uff0c\u901a\u8fc7\u8c03\u7528\u5176<code>setTimes()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u66f4\u6539\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4\u3002\u8be5\u65b9\u6cd5\u63a5\u53d7\u4e09\u4e2a\u53c2\u6570\uff1a\u6700\u540e\u4fee\u6539\u65f6\u95f4\u3001\u6700\u540e\u8bbf\u95ee\u65f6\u95f4\u3001\u521b\u5efa\u65f6\u95f4\u3002\u6240\u6709\u8fd9\u4e9b\u65f6\u95f4\u90fd\u5e94\u8be5\u662f<code>FileTime<\/code>\u7c7b\u578b\u3002\u8981\u66f4\u6539\u521b\u5efa\u65f6\u95f4\uff0c\u53ef\u4ee5\u4ec5\u63d0\u4f9b\u521b\u5efa\u65f6\u95f4\u53c2\u6570\uff0c\u800c\u5c06\u5176\u4ed6\u4e24\u4e2a\u53c2\u6570\u8bbe\u7f6e\u4e3a<code>null<\/code>\u3002<\/p>\n<\/p>\n<p><h2>\u4e09\u3001Java\u4ee3\u7801\u793a\u4f8b<\/h2>\n<\/p>\n<p><p>\u6211\u4eec\u5c06\u5c55\u793a\u4e00\u4e2a\u7b80\u5355\u7684Java\u7a0b\u5e8f\uff0c\u8be5\u7a0b\u5e8f\u4fee\u6539\u6307\u5b9a\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-java\">import java.nio.file.*;<\/p>\n<p>import java.nio.file.attribute.*;<\/p>\n<p>import java.io.IOException;<\/p>\n<p>public class ModifyFileCreationTime {<\/p>\n<p>    public static void m<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>n(String[] args) {<\/p>\n<p>        Path path = Paths.get(&quot;path\/to\/your\/file.txt&quot;);<\/p>\n<p>        BasicFileAttributeView attributeView = Files.getFileAttributeView(path, BasicFileAttributeView.class);<\/p>\n<p>        try {<\/p>\n<p>            FileTime creationTime = FileTime.fromMillis(System.currentTimeMillis() - (10 * 24 * 60 * 60 * 1000)); \/\/ \u8bbe\u7f6e\u521b\u5efa\u65f6\u95f4\u4e3a\u5f53\u524d\u65f6\u95f4\u7684\u524d10\u5929<\/p>\n<p>            attributeView.setTimes(null, null, creationTime);<\/p>\n<p>            System.out.println(&quot;File creation time has been modified successfully.&quot;);<\/p>\n<p>        } catch (IOException e) {<\/p>\n<p>            e.printStackTrace();<\/p>\n<p>        }<\/p>\n<p>    }<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h2>\u56db\u3001\u6ce8\u610f\u4e8b\u9879\u548c\u5176\u4ed6\u65b9\u6cd5<\/h2>\n<\/p>\n<p><p>\u64cd\u4f5c\u6587\u4ef6\u5c5e\u6027\uff0c\u7279\u522b\u662f\u66f4\u6539\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4\uff0c\u5728\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7edf\u548c\u6587\u4ef6\u7cfb\u7edf\u4e2d\u53ef\u80fd\u6709\u6240\u4e0d\u540c\u3002\u56e0\u6b64\uff0c\u5728\u8fdb\u884c\u6b64\u7c7b\u64cd\u4f5c\u65f6\uff0c\u9700\u8981\u8003\u8651\u5230\u8de8\u5e73\u53f0\u7684\u517c\u5bb9\u6027\u95ee\u9898\u3002<\/p>\n<\/p>\n<p><h3>\u8de8\u5e73\u53f0\u517c\u5bb9\u6027<\/h3>\n<\/p>\n<p><p>\u5c3d\u7ba1Java\u65e8\u5728\u5141\u8bb8\u8de8\u5e73\u53f0\u7684\u5f00\u53d1\u548c\u90e8\u7f72\uff0c\u4f46\u662f\u5f53\u6d89\u53ca\u5230\u7cfb\u7edf\u5e95\u5c42\u7279\u6027\uff0c\u6bd4\u5982\u6587\u4ef6\u7cfb\u7edf\u7684\u64cd\u4f5c\u65f6\uff0c\u4ecd\u7136\u53ef\u80fd\u9047\u5230\u4e00\u4e9b\u9650\u5236\u3002\u5728\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e0a\uff0c\u6587\u4ef6\u5c5e\u6027\u7684\u652f\u6301\u7a0b\u5ea6\u548c\u884c\u4e3a\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\uff0c\u56e0\u6b64\u5728\u7f16\u5199\u8de8\u5e73\u53f0\u7684\u6587\u4ef6\u64cd\u4f5c\u4ee3\u7801\u65f6\uff0c\u52a1\u5fc5\u4ed4\u7ec6\u6d4b\u8bd5\u4ee5\u786e\u4fdd\u5176\u5728\u76ee\u6807\u5e73\u53f0\u4e0a\u7684\u6b63\u786e\u884c\u4e3a\u3002<\/p>\n<\/p>\n<p><h3>\u4f7f\u7528File\u7c7b\u8fdb\u884c\u5c5e\u6027\u66f4\u6539<\/h3>\n<\/p>\n<p><p>\u9664\u4e86\u4f7f\u7528NIO.2\uff0cJava\u4e2d\u8fd8\u6709\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u7528\u4e8e\u64cd\u4f5c\u6587\u4ef6\u5c5e\u6027\uff0c\u867d\u7136\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u80fd\u4e0d\u63d0\u4f9b\u66f4\u6539\u521b\u5efa\u65f6\u95f4\u7684\u76f4\u63a5\u652f\u6301\u3002\u4f8b\u5982\uff0c<code>File<\/code>\u7c7b\u5141\u8bb8\u6211\u4eec\u68c0\u67e5\u548c\u4fee\u6539\u6587\u4ef6\u7684\u8bfb\u5199\u6743\u9650\uff0c\u4f46\u5bf9\u4e8e\u521b\u5efa\u65f6\u95f4\u7684\u4fee\u6539\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u4f9d\u8d56\u4e8eNIO.2\u7684\u529f\u80fd\u3002<\/p>\n<\/p>\n<p><h2>\u4e94\u3001\u603b\u7ed3<\/h2>\n<\/p>\n<p><p>\u901a\u8fc7\u4f7f\u7528Java NIO.2\u4e2d\u7684<code>Path<\/code>\u3001<code>Files<\/code>\u548c<code>BasicFileAttributeView<\/code>\u7c7b\uff0c\u6211\u4eec\u53ef\u4ee5\u6709\u6548\u5730\u8bfb\u53d6\u548c\u4fee\u6539\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4\u3002\u867d\u7136\u8fd9\u79cd\u65b9\u6cd5\u5728\u5927\u591a\u6570\u73b0\u4ee3\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u90fd\u80fd\u8fd0\u4f5c\uff0c\u4f46\u5728\u5b9e\u8df5\u4e2d\u8fd8\u662f\u9700\u8981\u8003\u8651\u5230\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\u7684\u95ee\u9898\u3002\u901a\u8fc7\u4e0a\u8ff0\u793a\u4f8b\u4ee3\u7801\uff0c\u53ef\u4ee5\u770b\u5230\u5177\u4f53\u5982\u4f55\u5b9e\u73b0\u8fd9\u4e00\u64cd\u4f5c\uff0c\u4f46\u5b9e\u9645\u5e94\u7528\u65f6\u8fd8\u9700\u6ce8\u610f\u5904\u7406\u53ef\u80fd\u53d1\u751f\u7684\u5f02\u5e38\u548c\u9519\u8bef\u60c5\u51b5\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>1. \u5982\u4f55\u7528Java\u4ee3\u7801\u66f4\u6539\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4\uff1f<\/strong><\/p>\n<p>\u7b54\uff1a\u8981\u7528Java\u4ee3\u7801\u66f4\u6539\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4\uff0c\u53ef\u4ee5\u4f7f\u7528Java\u7684File\u7c7b\u548cCalendar\u7c7b\u3002\u9996\u5148\uff0c\u4f7f\u7528File\u7c7b\u7684lastModified()\u65b9\u6cd5\u83b7\u53d6\u6587\u4ef6\u7684\u6700\u8fd1\u4fee\u6539\u65f6\u95f4\uff0c\u7136\u540e\u4f7f\u7528Calendar\u7c7b\u5c06\u5176\u8f6c\u6362\u4e3a\u65f6\u95f4\u6233\u3002\u63a5\u4e0b\u6765\uff0c\u4f7f\u7528Calendar\u7c7b\u7684setTimeInMillis()\u65b9\u6cd5\u5c06\u65f6\u95f4\u6233\u8bbe\u7f6e\u4e3a\u65b0\u7684\u521b\u5efa\u65f6\u95f4\uff0c\u5e76\u4f7f\u7528File\u7c7b\u7684setLastModified()\u65b9\u6cd5\u5c06\u5176\u5e94\u7528\u5230\u6587\u4ef6\u4e0a\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"language-java\">import java.io.File;\nimport java.util.Calendar;\n\npublic class ChangeFileCreationTime {\n    public static void main(String[] args) {\n        File file = new File(&quot;path\/to\/file.txt&quot;); \/\/ \u6587\u4ef6\u8def\u5f84\n\n        \/\/ \u83b7\u53d6\u6587\u4ef6\u7684\u6700\u8fd1\u4fee\u6539\u65f6\u95f4\n        long lastModified = file.lastModified();\n\n        \/\/ \u5c06\u6700\u8fd1\u4fee\u6539\u65f6\u95f4\u8f6c\u6362\u4e3aCalendar\u5bf9\u8c61\n        Calendar calendar = Calendar.getInstance();\n        calendar.setTimeInMillis(lastModified);\n\n        \/\/ \u8bbe\u7f6e\u65b0\u7684\u521b\u5efa\u65f6\u95f4\n        calendar.set(Calendar.YEAR, 2022);\n        calendar.set(Calendar.MONTH, Calendar.JANUARY);\n        calendar.set(Calendar.DAY_OF_MONTH, 1);\n\n        \/\/ \u5c06\u65b0\u7684\u521b\u5efa\u65f6\u95f4\u5e94\u7528\u5230\u6587\u4ef6\u4e0a\n        file.setLastModified(calendar.getTimeInMillis());\n    }\n}\n<\/code><\/pre>\n<p>\u6ce8\u610f\uff1a\u6b64\u4ee3\u7801\u5c06\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4\u66f4\u6539\u4e3a2022\u5e741\u67081\u65e5\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u9700\u8981\u4fee\u6539\u5e74\u3001\u6708\u3001\u65e5\u7b49\u53c2\u6570\u3002<\/p>\n<p><strong>2. \u5982\u4f55\u4f7f\u7528Java\u4ee3\u7801\u5c06\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4\u6539\u4e3a\u5f53\u524d\u65f6\u95f4\uff1f<\/strong><\/p>\n<p>\u7b54\uff1a\u8981\u4f7f\u7528Java\u4ee3\u7801\u5c06\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4\u6539\u4e3a\u5f53\u524d\u65f6\u95f4\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528Java\u7684File\u7c7b\u548cCalendar\u7c7b\u3002\u9996\u5148\uff0c\u4f7f\u7528Calendar\u7c7b\u7684getInstance()\u65b9\u6cd5\u83b7\u53d6\u5f53\u524d\u65f6\u95f4\uff0c\u7136\u540e\u4f7f\u7528File\u7c7b\u7684setLastModified()\u65b9\u6cd5\u5c06\u5176\u5e94\u7528\u5230\u6587\u4ef6\u4e0a\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"language-java\">import java.io.File;\nimport java.util.Calendar;\n\npublic class ChangeFileCreationTime {\n    public static void main(String[] args) {\n        File file = new File(&quot;path\/to\/file.txt&quot;); \/\/ \u6587\u4ef6\u8def\u5f84\n\n        \/\/ \u83b7\u53d6\u5f53\u524d\u65f6\u95f4\n        Calendar calendar = Calendar.getInstance();\n\n        \/\/ \u5c06\u5f53\u524d\u65f6\u95f4\u5e94\u7528\u5230\u6587\u4ef6\u4e0a\n        file.setLastModified(calendar.getTimeInMillis());\n    }\n}\n<\/code><\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u5c06\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4\u6539\u4e3a\u5f53\u524d\u65f6\u95f4\u3002<\/p>\n<p><strong>3. \u5982\u4f55\u4f7f\u7528Java\u4ee3\u7801\u5c06\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4\u66f4\u6539\u4e3a\u6307\u5b9a\u7684\u65e5\u671f\u548c\u65f6\u95f4\uff1f<\/strong><\/p>\n<p>\u7b54\uff1a\u8981\u4f7f\u7528Java\u4ee3\u7801\u5c06\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4\u66f4\u6539\u4e3a\u6307\u5b9a\u7684\u65e5\u671f\u548c\u65f6\u95f4\uff0c\u53ef\u4ee5\u4f7f\u7528Java\u7684File\u7c7b\u548cCalendar\u7c7b\u3002\u9996\u5148\uff0c\u4f7f\u7528Calendar\u7c7b\u7684getInstance()\u65b9\u6cd5\u83b7\u53d6\u5f53\u524d\u65f6\u95f4\uff0c\u7136\u540e\u4f7f\u7528set\u65b9\u6cd5\u66f4\u6539\u5e74\u3001\u6708\u3001\u65e5\u3001\u65f6\u3001\u5206\u3001\u79d2\u7b49\u53c2\u6570\u3002\u6700\u540e\uff0c\u4f7f\u7528File\u7c7b\u7684setLastModified()\u65b9\u6cd5\u5c06\u65b0\u7684\u521b\u5efa\u65f6\u95f4\u5e94\u7528\u5230\u6587\u4ef6\u4e0a\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"language-java\">import java.io.File;\nimport java.util.Calendar;\n\npublic class ChangeFileCreationTime {\n    public static void main(String[] args) {\n        File file = new File(&quot;path\/to\/file.txt&quot;); \/\/ \u6587\u4ef6\u8def\u5f84\n\n        \/\/ \u83b7\u53d6\u5f53\u524d\u65f6\u95f4\n        Calendar calendar = Calendar.getInstance();\n\n        \/\/ \u8bbe\u7f6e\u65b0\u7684\u521b\u5efa\u65f6\u95f4\n        calendar.set(Calendar.YEAR, 2022);\n        calendar.set(Calendar.MONTH, Calendar.JANUARY);\n        calendar.set(Calendar.DAY_OF_MONTH, 1);\n        calendar.set(Calendar.HOUR_OF_DAY, 12);\n        calendar.set(Calendar.MINUTE, 0);\n        calendar.set(Calendar.SECOND, 0);\n\n        \/\/ \u5c06\u65b0\u7684\u521b\u5efa\u65f6\u95f4\u5e94\u7528\u5230\u6587\u4ef6\u4e0a\n        file.setLastModified(calendar.getTimeInMillis());\n    }\n}\n<\/code><\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u5c06\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4\u66f4\u6539\u4e3a2022\u5e741\u67081\u65e512:00:00\u3002\u4f60\u53ef\u4ee5\u6309\u7167\u9700\u8981\u4fee\u6539\u5e74\u3001\u6708\u3001\u65e5\u3001\u65f6\u3001\u5206\u3001\u79d2\u7b49\u53c2\u6570\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u4f7f\u7528Java\u4ee3\u7801\u66f4\u6539\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4\u4e3b\u8981\u6d89\u53ca\u5230\u83b7\u53d6\u6587\u4ef6\u5c5e\u6027\u3001\u4f7f\u7528\u6587\u4ef6\u5c5e\u6027\u64cd\u4f5c\u63a5\u53e3\u3001\u4ee5\u53ca\u5e94\u7528Java NIO.2 [&hellip;]","protected":false},"author":3,"featured_media":257349,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/257338"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=257338"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/257338\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/257349"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=257338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=257338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=257338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}