1 需求

需求1：删除目录，不管是否非空；

需求2：删除空目录；

需求3：删除非空目录；

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2 接口

• File
  • delete()
  • deleteOnExit()
• Files
  • delete()
  • deleteIfExists()

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3.X 示例：删除空目录

import java.io.File;public class Main {public static void main(String[] args) {try {// 创建一个新的File对象File dir = new File("path/to/directory");// 如果目录存在，则删除它if (dir.exists()) {boolean result = dir.delete();if (result) {System.out.println("Directory deleted successfully!");} else {System.out.println("Failed to delete directory.");}} else {System.out.println("Directory does not exist.");}} catch (Exception e) {e.printStackTrace();}}
}

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3.X 示例：删除非空目录

import java.io.File;public class DirectoryDeleter {public static void main(String[] args) {File directory = new File("path/to/directory");deleteDirectory(directory);}public static void deleteDirectory(File directory) {if (directory.exists()) {File[] files = directory.listFiles();if (files != null) {for (File file : files) {if (file.isDirectory()) {deleteDirectory(file); // 递归删除子目录} else {file.delete(); // 删除文件}}}directory.delete(); // 删除目录}}
}

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4 参考资料