{"id":1490,"date":"2026-05-27T08:44:46","date_gmt":"2026-05-27T00:44:46","guid":{"rendered":"https:\/\/yunyanglib.cn\/?p=1490"},"modified":"2026-05-27T08:44:48","modified_gmt":"2026-05-27T00:44:48","slug":"%e3%80%90java%e3%80%91%e6%96%87%e4%bb%b6%e7%b1%bb%e8%af%a6%e8%a7%a3%ef%bc%9a%e4%bb%8e%e5%9f%ba%e7%a1%80%e6%93%8d%e4%bd%9c%e5%88%b0%e5%b7%a5%e5%85%b7%e7%b1%bb%e5%ae%9e%e6%88%98","status":"publish","type":"post","link":"https:\/\/yunyanglib.cn\/?p=1490","title":{"rendered":"\u3010Java\u3011\u6587\u4ef6\u7c7b\u8be6\u89e3\uff1a\u4ece\u57fa\u7840\u64cd\u4f5c\u5230\u5de5\u5177\u7c7b\u5b9e\u6218"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5927\u5bb6\u597d\uff0c\u6211\u662f\u4e91\u626c\uff5e \u4eca\u5929\u6765\u8ddf\u5927\u5bb6\u6df1\u5165\u804a\u804a Java \u4e2d\u7684\u6587\u4ef6\u64cd\u4f5c\u6838\u5fc3\u7c7b\u3002\u5728\u540e\u7aef\u5f00\u53d1\u4e2d\uff0c\u6587\u4ef6\u5904\u7406\u662f\u9ad8\u9891\u573a\u666f\uff0c\u65e0\u8bba\u662f\u914d\u7f6e\u6587\u4ef6\u8bfb\u53d6\u3001\u65e5\u5fd7\u5199\u5165\u8fd8\u662f\u6570\u636e\u5907\u4efd\uff0c\u90fd\u79bb\u4e0d\u5f00\u6587\u4ef6\u7c7b\u7684\u652f\u6301\u3002\u672c\u6587\u4f1a\u4ece\u57fa\u7840\u7684 File \u7c7b\u5165\u624b\uff0c\u518d\u5230\u7075\u6d3b\u7684 RandomAccessFile\uff0c\u6700\u540e\u4ecb\u7ecd\u4e24\u6b3e\u5b9e\u7528\u7684\u7b2c\u4e09\u65b9\u5de5\u5177\u7c7b\uff0c\u5168\u7a0b\u9644\u5e26\u4ee3\u7801\u793a\u4f8b\uff0c\u65b9\u4fbf\u5927\u5bb6\u76f4\u63a5\u4e0a\u624b\u5b9e\u8df5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001File \u7c7b\uff1a\u6587\u4ef6\u64cd\u4f5c\u7684\u57fa\u77f3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">File \u7c7b\u662f Java IO \u4f53\u7cfb\u4e2d\u5904\u7406\u6587\u4ef6\u548c\u76ee\u5f55\u7684\u57fa\u7840\uff0c\u5b83\u4e3b\u8981\u8d1f\u8d23\u6587\u4ef6 \/ \u76ee\u5f55\u7684\u5143\u6570\u636e\u64cd\u4f5c\uff08\u521b\u5efa\u3001\u67e5\u627e\u3001\u5220\u9664\u7b49\uff09\uff0c\u4f46<strong>\u4e0d\u76f4\u63a5\u5904\u7406\u6587\u4ef6\u5185\u5bb9\u8bfb\u5199<\/strong>\u2014\u2014 \u8fd9\u90e8\u5206\u9700\u8981\u914d\u5408 IO \u6d41\u6765\u5b8c\u6210\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u6838\u5fc3\u6784\u9020\u65b9\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u521b\u5efa File \u5bf9\u8c61\u6709\u4e09\u79cd\u5e38\u7528\u65b9\u5f0f\uff0c\u6839\u636e\u8def\u5f84\u683c\u5f0f\u7075\u6d3b\u9009\u62e9\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.io.File;\n\npublic class FileConstructorDemo {\n    public static void main(String&#91;] args) {\n        \/\/ 1. \u76f4\u63a5\u4f20\u5165\u5b8c\u6574\u8def\u5f84\uff08\u7edd\u5bf9\/\u76f8\u5bf9\u8def\u5f84\u5747\u53ef\uff09\n        File file1 = new File(\"D:\/test\/example.txt\"); \/\/ \u7edd\u5bf9\u8def\u5f84\n        File file2 = new File(\".\/src\/main\/resources\/config.properties\"); \/\/ \u76f8\u5bf9\u8def\u5f84\uff08\u76f8\u5bf9\u4e8e\u9879\u76ee\u6839\u76ee\u5f55\uff09\n        \n        \/\/ 2. \u7236\u8def\u5f84\u5b57\u7b26\u4e32 + \u5b50\u8def\u5f84\u5b57\u7b26\u4e32\n        File file3 = new File(\"D:\/test\", \"log.txt\"); \/\/ \u7b49\u4ef7\u4e8e \"D:\/test\/log.txt\"\n        \n        \/\/ 3. \u7236\u8def\u5f84File\u5bf9\u8c61 + \u5b50\u8def\u5f84\u5b57\u7b26\u4e32\n        File parentDir = new File(\"D:\/test\");\n        File file4 = new File(parentDir, \"data.json\"); \/\/ \u7b49\u4ef7\u4e8e \"D:\/test\/data.json\"\n    }\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u5e38\u7528\u65b9\u6cd5\u5b9e\u6218<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">File \u7c7b\u7684\u65b9\u6cd5\u53ef\u5206\u4e3a\u83b7\u53d6\u3001\u5224\u65ad\u3001\u521b\u5efa\u5220\u9664\u3001\u76ee\u5f55\u904d\u5386\u56db\u5927\u7c7b\uff0c\u4e0b\u9762\u901a\u8fc7\u4ee3\u7801\u793a\u4f8b\u6f14\u793a\u6838\u5fc3\u7528\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.io.IOException;\n\npublic class FileCommonMethods {\n    public static void main(String&#91;] args) throws IOException {\n        File file = new File(\"D:\/test\/demo.txt\");\n        \n        \/\/ \ud83d\udd0d \u83b7\u53d6\u529f\u80fd\n        System.out.println(\"\u7edd\u5bf9\u8def\u5f84\uff1a\" + file.getAbsolutePath()); \/\/ D:\\test\\demo.txt\n        System.out.println(\"\u6587\u4ef6\u540d\u79f0\uff1a\" + file.getName()); \/\/ demo.txt\n        System.out.println(\"\u6587\u4ef6\u5927\u5c0f\uff08\u5b57\u8282\uff09\uff1a\" + file.length());\n        \n        \/\/ \u2705 \u5224\u65ad\u529f\u80fd\n        System.out.println(\"\u6587\u4ef6\u662f\u5426\u5b58\u5728\uff1a\" + file.exists());\n        System.out.println(\"\u662f\u5426\u4e3a\u6587\u4ef6\uff1a\" + file.isFile());\n        System.out.println(\"\u662f\u5426\u4e3a\u76ee\u5f55\uff1a\" + file.isDirectory());\n        \n        \/\/ \ud83d\udcc1 \u521b\u5efa\u4e0e\u5220\u9664\n        if (!file.exists()) {\n            boolean isCreated = file.createNewFile(); \/\/ \u521b\u5efa\u6587\u4ef6\n            System.out.println(\"\u6587\u4ef6\u521b\u5efa\u6210\u529f\uff1f\" + isCreated);\n        }\n        \n        File singleDir = new File(\"D:\/test\/singleDir\");\n        singleDir.mkdir(); \/\/ \u521b\u5efa\u5355\u7ea7\u76ee\u5f55\n        \n        File multiDir = new File(\"D:\/test\/a\/b\/c\");\n        multiDir.mkdirs(); \/\/ \u521b\u5efa\u591a\u7ea7\u76ee\u5f55\uff08\u7236\u76ee\u5f55\u4e0d\u5b58\u5728\u65f6\u81ea\u52a8\u521b\u5efa\uff09\n        \n        \/\/ \u274c \u5220\u9664\uff08\u6ce8\u610f\uff1a\u5220\u9664\u76ee\u5f55\u65f6\u9700\u786e\u4fdd\u76ee\u5f55\u4e3a\u7a7a\uff09\n        \/\/ file.delete(); \/\/ \u5220\u9664\u6587\u4ef6\n        \/\/ FileUtils.deleteDirectory(multiDir); \/\/ \u540e\u7eed\u4ecb\u7ecd\uff1a\u7b2c\u4e09\u65b9\u5de5\u5177\u7c7b\u5220\u9664\u975e\u7a7a\u76ee\u5f55\n        \n        \/\/ \ud83d\udccb \u76ee\u5f55\u904d\u5386\n        File testDir = new File(\"D:\/test\");\n        String&#91;] fileNames = testDir.list(); \/\/ \u83b7\u53d6\u76ee\u5f55\u4e0b\u6240\u6709\u6587\u4ef6\/\u76ee\u5f55\u540d\u79f0\n        if (fileNames != null) {\n            for (String name : fileNames) {\n                System.out.println(\"\u76ee\u5f55\u5185\u5bb9\uff1a\" + name);\n            }\n        }\n        \n        File&#91;] files = testDir.listFiles(); \/\/ \u83b7\u53d6\u76ee\u5f55\u4e0b\u6240\u6709\u6587\u4ef6\/\u76ee\u5f55\u7684File\u5bf9\u8c61\n        if (files != null) {\n            for (File f : files) {\n                System.out.println(\"\u5b8c\u6574\u8def\u5f84\uff1a\" + f.getAbsolutePath());\n            }\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u7edd\u5bf9\u8def\u5f84\u4e0e\u76f8\u5bf9\u8def\u5f84\u8fa8\u6790<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7edd\u5bf9\u8def\u5f84<\/strong>\uff1a\u4ece\u6587\u4ef6\u7cfb\u7edf\u6839\u76ee\u5f55\u5f00\u59cb\u7684\u5b8c\u6574\u8def\u5f84\uff08\u5982 <code>D:\/test\/file.txt<\/code>\u3001<code>\/home\/user\/logs<\/code>\uff09\uff0c\u517c\u5bb9\u6027\u5dee\u4f46\u5b9a\u4f4d\u7cbe\u51c6\u3002<\/li>\n\n\n\n<li><strong>\u76f8\u5bf9\u8def\u5f84<\/strong>\uff1a\u76f8\u5bf9\u4e8e\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\u7684\u8def\u5f84\uff08\u5982 <code>.\/resources\/config.txt<\/code>\uff09\uff0c\u7075\u6d3b\u6027\u9ad8\uff0c\u9002\u5408\u9879\u76ee\u5185\u6587\u4ef6\u5f15\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5c0f\u8d34\u58eb\uff1a\u5f00\u53d1\u4e2d\u4f18\u5148\u4f7f\u7528\u76f8\u5bf9\u8def\u5f84\uff0c\u907f\u514d\u56e0\u73af\u5883\u5dee\u5f02\u5bfc\u81f4\u7684\u8def\u5f84\u9519\u8bef\u3002<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001RandomAccessFile\uff1a\u652f\u6301\u968f\u673a\u8bfb\u5199\u7684\u5229\u5668<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">RandomAccessFile \u662f Java \u4e2d\u7279\u6b8a\u7684\u6587\u4ef6\u64cd\u4f5c\u7c7b\uff0c\u5b83\u652f\u6301<strong>\u5728\u6587\u4ef6\u4efb\u610f\u4f4d\u7f6e\u8bfb\u5199<\/strong>\uff0c\u540c\u65f6\u5b9e\u73b0\u4e86 DataInput \u548c DataOutput \u63a5\u53e3\uff0c\u517c\u5177\u8f93\u5165\u8f93\u51fa\u529f\u80fd\uff0c\u9002\u5408\u5904\u7406\u5927\u578b\u6587\u4ef6\u6216\u9700\u8981\u968f\u673a\u8bbf\u95ee\u7684\u573a\u666f\uff08\u5982\u65ad\u70b9\u7eed\u4f20\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u6838\u5fc3\u7279\u6027\u4e0e\u6784\u9020\u65b9\u6cd5<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u652f\u6301\u8bfb\u5199\u6a21\u5f0f\uff08<code>rw<\/code>\uff1a\u8bfb\u5199\uff1b<code>r<\/code>\uff1a\u53ea\u8bfb\uff1b<code>rws<\/code>\/<code>rwd<\/code>\uff1a\u540c\u6b65\u5199\u5165\u78c1\u76d8\uff09<\/li>\n\n\n\n<li>\u901a\u8fc7\u6587\u4ef6\u6307\u9488\u63a7\u5236\u8bfb\u5199\u4f4d\u7f6e\uff0c\u9ed8\u8ba4\u4ece 0 \u5f00\u59cb<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.io.RandomAccessFile;\nimport java.io.IOException;\n\npublic class RandomAccessFileDemo {\n    public static void main(String&#91;] args) throws IOException {\n        \/\/ \u6784\u9020\u65b9\u6cd5\uff1a\u6587\u4ef6\u8def\u5f84 + \u64cd\u4f5c\u6a21\u5f0f\n        RandomAccessFile raf = new RandomAccessFile(\"D:\/test\/random.txt\", \"rw\");\n        \n        \/\/ \u5199\u5165\u6570\u636e\n        raf.writeUTF(\"Hello, RandomAccessFile!\");\n        raf.writeInt(2026); \/\/ \u5199\u5165\u6574\u6570\n        \n        \/\/ \u79fb\u52a8\u6587\u4ef6\u6307\u9488\u5230\u5f00\u5934\uff08\u8bfb\u53d6\u6570\u636e\u524d\u5fc5\u987b\u5b9a\u4f4d\uff09\n        raf.seek(0);\n        \n        \/\/ \u8bfb\u53d6\u6570\u636e\n        String content = raf.readUTF();\n        int num = raf.readInt();\n        System.out.println(\"\u8bfb\u53d6\u5185\u5bb9\uff1a\" + content);\n        System.out.println(\"\u8bfb\u53d6\u6574\u6570\uff1a\" + num);\n        \n        \/\/ \u83b7\u53d6\u5f53\u524d\u6307\u9488\u4f4d\u7f6e\n        System.out.println(\"\u5f53\u524d\u6307\u9488\u4f4d\u7f6e\uff1a\" + raf.getFilePointer());\n        \n        raf.close(); \/\/ \u5173\u95ed\u8d44\u6e90\n    }\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u7ecf\u5178\u5e94\u7528\uff1a\u4fee\u6539\u6587\u4ef6\u6307\u5b9a\u5185\u5bb9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe\u9700\u8981\u4fee\u6539\u6587\u4ef6\u4e2d\u7b2c 10 \u4e2a\u5b57\u7b26\u540e\u7684\u5185\u5bb9\uff0c\u65e0\u9700\u91cd\u5199\u6574\u4e2a\u6587\u4ef6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class ModifyFileContent {\n    public static void main(String&#91;] args) throws IOException {\n        RandomAccessFile raf = new RandomAccessFile(\"D:\/test\/modify.txt\", \"rw\");\n        long position = 10; \/\/ \u5b9a\u4f4d\u5230\u7b2c10\u4e2a\u5b57\u7b26\u540e\n        raf.seek(position);\n        \n        raf.writeUTF(\"\u4fee\u6539\u540e\u7684\u5185\u5bb9\"); \/\/ \u8986\u76d6\u5199\u5165\n        raf.close();\n    }\n}\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u7b2c\u4e09\u65b9\u5de5\u5177\u7c7b\uff1a\u7b80\u5316\u6587\u4ef6\u64cd\u4f5c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u539f\u751f File \u7c7b\u548c RandomAccessFile \u5728\u5904\u7406\u590d\u6742\u573a\u666f\uff08\u5982\u76ee\u5f55\u590d\u5236\u3001\u5927\u6587\u4ef6\u79fb\u52a8\uff09\u65f6\u4ee3\u7801\u7e41\u7410\uff0c\u63a8\u8350\u4f7f\u7528\u4e24\u6b3e\u6210\u719f\u7684\u7b2c\u4e09\u65b9\u5de5\u5177\u7c7b\uff0c\u5927\u5e45\u63d0\u5347\u5f00\u53d1\u6548\u7387\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Apache Commons IO &#8211; FileUtils<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Apache Commons IO \u662f Java \u5f00\u53d1\u4e2d\u5e38\u7528\u7684\u5de5\u5177\u5305\uff0cFileUtils \u5c01\u88c5\u4e86\u5927\u91cf\u6587\u4ef6\u64cd\u4f5c\u65b9\u6cd5\uff0c\u652f\u6301\u6587\u4ef6 \/ \u76ee\u5f55\u590d\u5236\u3001\u5220\u9664\u3001\u79fb\u52a8\u7b49\uff0c\u65e0\u9700\u624b\u52a8\u5904\u7406\u6d41\u8d44\u6e90\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4f7f\u7528\u524d\u9700\u5bfc\u5165\u4f9d\u8d56\uff08Maven\uff09<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;dependency&gt;\n    &lt;groupId&gt;commons-io&lt;\/groupId&gt;\n    &lt;artifactId&gt;commons-io&lt;\/artifactId&gt;\n    &lt;version&gt;2.18.0&lt;\/version&gt;\n&lt;\/dependency&gt;<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6838\u5fc3\u65b9\u6cd5\u793a\u4f8b<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import org.apache.commons.io.FileUtils;\nimport java.io.File;\nimport java.io.IOException;\n\npublic class FileUtilsDemo {\n    public static void main(String&#91;] args) throws IOException {\n        File srcFile = new File(\"D:\/test\/source.txt\");\n        File destFile = new File(\"D:\/test\/target.txt\");\n        File srcDir = new File(\"D:\/test\/sourceDir\");\n        File destDir = new File(\"D:\/test\/targetDir\");\n        \n        \/\/ \u590d\u5236\u6587\u4ef6\uff08\u81ea\u52a8\u521b\u5efa\u76ee\u6807\u6587\u4ef6\uff0c\u652f\u6301\u8986\u76d6\uff09\n        FileUtils.copyFile(srcFile, destFile);\n        \n        \/\/ \u590d\u5236\u76ee\u5f55\uff08\u9012\u5f52\u590d\u5236\u6240\u6709\u5b50\u6587\u4ef6\u548c\u5b50\u76ee\u5f55\uff09\n        FileUtils.copyDirectory(srcDir, destDir);\n        \n        \/\/ \u79fb\u52a8\u6587\u4ef6\uff08\u7b49\u4ef7\u4e8e\u526a\u5207\uff09\n        FileUtils.moveFile(srcFile, new File(\"D:\/test\/moved.txt\"));\n        \n        \/\/ \u5220\u9664\u76ee\u5f55\uff08\u652f\u6301\u5220\u9664\u975e\u7a7a\u76ee\u5f55\uff09\n        FileUtils.deleteDirectory(destDir);\n        \n        \/\/ \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff08UTF-8\u7f16\u7801\uff09\n        String content = FileUtils.readFileToString(srcFile, \"UTF-8\");\n        System.out.println(\"\u6587\u4ef6\u5185\u5bb9\uff1a\" + content);\n        \n        \/\/ \u5199\u5165\u6587\u4ef6\u5185\u5bb9\uff08\u8ffd\u52a0\u6a21\u5f0f\uff09\n        FileUtils.writeStringToFile(destFile, \"\u8ffd\u52a0\u7684\u5185\u5bb9\", \"UTF-8\", true);\n    }\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2. Hutool &#8211; FileUtil<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hutool \u662f\u56fd\u5185\u6d41\u884c\u7684 Java \u5de5\u5177\u5305\uff0cFileUtil \u7c7b\u8bbe\u8ba1\u66f4\u7b80\u6d01\uff0cAPI \u66f4\u7b26\u5408\u4e2d\u6587\u5f00\u53d1\u4e60\u60ef\uff0c\u540c\u6837\u652f\u6301\u81ea\u52a8\u5173\u95ed\u6d41\uff0c\u65e0\u9700\u624b\u52a8\u5904\u7406\u5f02\u5e38\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4f7f\u7528\u524d\u9700\u5bfc\u5165\u4f9d\u8d56\uff08Maven\uff09<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;dependency&gt;\n   &lt;groupId&gt;cn.hutool&lt;\/groupId&gt;\n   &lt;artifactId&gt;hutool-all&lt;\/artifactId&gt;\n   &lt;version&gt;5.4.3&lt;\/version&gt;\n&lt;\/dependency&gt;<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6838\u5fc3\u65b9\u6cd5\u793a\u4f8b<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import cn.hutool.core.io.FileUtil;\nimport java.io.File;\n\npublic class HutoolFileUtilDemo {\n    public static void main(String&#91;] args) {\n        String srcPath = \"D:\/test\/source.txt\";\n        String destPath = \"D:\/test\/target.txt\";\n        \n        \/\/ \u590d\u5236\u6587\u4ef6\uff08\u652f\u6301\u8986\u76d6\uff0c\u7236\u76ee\u5f55\u4e0d\u5b58\u5728\u81ea\u52a8\u521b\u5efa\uff09\n        FileUtil.copy(srcPath, destPath, true);\n        \n        \/\/ \u521b\u5efa\u6587\u4ef6\uff08\u7236\u76ee\u5f55\u4e0d\u5b58\u5728\u81ea\u52a8\u521b\u5efa\uff09\n        FileUtil.touch(\"D:\/test\/newFile.txt\");\n        \n        \/\/ \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff08UTF-8\u7f16\u7801\uff09\n        String content = FileUtil.readUtf8String(srcPath);\n        System.out.println(\"\u6587\u4ef6\u5185\u5bb9\uff1a\" + content);\n        \n        \/\/ \u5199\u5165\u6587\u4ef6\u5185\u5bb9\uff08\u8986\u76d6\u6a21\u5f0f\uff09\n        FileUtil.writeString(\"Hello Hutool!\", destPath, \"UTF-8\");\n        \n        \/\/ \u8ffd\u52a0\u5199\u5165\n        FileUtil.writeString(\"\\n\u8ffd\u52a0\u5185\u5bb9\", destPath, \"UTF-8\");\n        \n        \/\/ \u5220\u9664\u6587\u4ef6\/\u76ee\u5f55\uff08\u652f\u6301\u9012\u5f52\u5220\u9664\uff09\n        FileUtil.del(\"D:\/test\/tempDir\");\n    }\n}\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u603b\u7ed3\u4e0e\u9009\u578b\u5efa\u8bae<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u57fa\u7840\u64cd\u4f5c<\/strong>\uff1a\u4f7f\u7528\u539f\u751f File \u7c7b\uff0c\u9002\u5408\u7b80\u5355\u7684\u6587\u4ef6 \/ \u76ee\u5f55\u521b\u5efa\u3001\u5224\u65ad\u3001\u904d\u5386\u573a\u666f\u3002<\/li>\n\n\n\n<li><strong>\u968f\u673a\u8bfb\u5199<\/strong>\uff1a\u4f7f\u7528 RandomAccessFile\uff0c\u9002\u5408\u65ad\u70b9\u7eed\u4f20\u3001\u5927\u578b\u6587\u4ef6\u5c40\u90e8\u4fee\u6539\u7b49\u573a\u666f\u3002<\/li>\n\n\n\n<li><strong>\u590d\u6742\u573a\u666f<\/strong>\uff1a\u4f18\u5148\u4f7f\u7528\u7b2c\u4e09\u65b9\u5de5\u5177\u7c7b\uff08FileUtils\/Hutool\uff09\uff0c\u51cf\u5c11\u91cd\u590d\u4ee3\u7801\uff0c\u63d0\u5347\u5f00\u53d1\u6548\u7387\u3002\n<ul class=\"wp-block-list\">\n<li>\u82e5\u9879\u76ee\u5df2\u5f15\u5165 Apache Commons IO\uff0c\u76f4\u63a5\u4f7f\u7528 FileUtils\uff1b<\/li>\n\n\n\n<li>\u82e5\u8ffd\u6c42\u66f4\u7b80\u6d01\u7684 API \u548c\u4e2d\u6587\u6587\u6863\uff0c\u63a8\u8350 Hutool FileUtil\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u6587\u4ef6\u64cd\u4f5c\u662f Java \u540e\u7aef\u7684\u57fa\u7840\u6280\u80fd\uff0c\u638c\u63e1\u8fd9\u4e9b\u7c7b\u7684\u6838\u5fc3\u7528\u6cd5\uff0c\u80fd\u8f7b\u677e\u5e94\u5bf9\u65e5\u5e38\u5f00\u53d1\u4e2d\u7684\u5404\u7c7b\u6587\u4ef6\u5904\u7406\u9700\u6c42\u3002\u5982\u679c\u5927\u5bb6\u6709\u5176\u4ed6\u5b9e\u7528\u6280\u5de7\u6216\u95ee\u9898\uff0c\u6b22\u8fce\u5728\u8bc4\u8bba\u533a\u4ea4\u6d41\uff5e<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5927\u5bb6\u597d\uff0c\u6211\u662f\u4e91\u626c\uff5e \u4eca\u5929\u6765\u8ddf\u5927\u5bb6\u6df1\u5165\u804a\u804a Java \u4e2d\u7684\u6587\u4ef6\u64cd\u4f5c\u6838\u5fc3\u7c7b\u3002\u5728\u540e\u7aef\u5f00\u53d1\u4e2d\uff0c\u6587\u4ef6\u5904\u7406\u662f\u9ad8\u9891\u573a\u666f\uff0c\u65e0\u8bba<\/p>\n<div class=\"more-link\">\n\t\t\t\t <a href=\"https:\/\/yunyanglib.cn\/?p=1490\" class=\"link-btn theme-btn\"><span>Read More <\/span> <i class=\"fa fa-caret-right\"><\/i><\/a>\n\t\t\t<\/div>\n","protected":false},"author":1,"featured_media":1226,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[15],"class_list":["post-1490","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java","tag-java"],"_links":{"self":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/1490","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1490"}],"version-history":[{"count":4,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/1490\/revisions"}],"predecessor-version":[{"id":1503,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/1490\/revisions\/1503"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/media\/1226"}],"wp:attachment":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}