spring常用工具類,引入spring即可使用
boolean deleteRecursively(@Nullable File root) 刪除文件
boolean deleteSuccess = FileSystemUtils.deleteRecursively(new File("D:\\fileTest\\b\\新建文件夾\\shuihe.sql"));
System.out.println(deleteSuccess);
boolean deleteRecursively(@Nullable Path root) 遞歸刪除目錄及下所有文件及目錄
Path src = Paths.get("D:\\fileTest\\a");
boolean deleteSuccess = FileSystemUtils.deleteRecursively(src);
System.out.println(deleteSuccess);
void copyRecursively(File src, File dest) 複製文件到另外一個文件
File src = new File("D:\\fileTest\\b\\新建文件夾\\huidiao - 副本.txt");
File dest = new File("D:\\fileTest\\b\\新建文件夾\\huidiao.txt");
FileSystemUtils.copyRecursively(src, dest);
注意:複製的文件存在,會報錯 Exception in thread "main" java.nio.file.FileAlreadyExistsException: D:\fileTest\b\新建文件夾\huidiao.txt
void copyRecursively(Path src, Path dest) 遞歸複製目錄下的所有文件及目錄到另一個目錄下,存在的文件會被覆蓋
Path src = Paths.get("D:\\fileTest\\a");
Path dest = Paths.get("D:\\fileTest\\b");
FileSystemUtils.copyRecursively(src, dest);
Path的使用,可參考微信文章:Java 文件處理 Paths & Files