importjava.io.File;publicclassCheckAndCreateDirectory{publicstaticvoidmain(String[]args){StringdirectoryPath="path/to/directory";Filedirectory=newFile(directoryPath);if(directory.exists()){System.out.println("Directory exists");}else{if(directory.mkdir()){System.out.println("Directory created successfu...
importjava.io.File;importjava.io.IOException;publicclassFileCreationWithDirs{publicstaticvoidmain(String[]args){StringfilePath="C:/example/subfolder/myFile.txt";// 更复杂的路径Filefile=newFile(filePath);// 判断上级目录是否存在,若不存在则创建Filedirectory=file.getParentFile();if(!directory.exists(...
private voidcreateFile(String path)throwsIOException { if(StringUtils.isNotEmpty(path)) { File file =newFile(path); if(!file.getParentFile().exists()) { file.getParentFile().mkdirs(); } file.createNewFile(); } } 第二种方法代码如下: //路径Stringpath="/usr/sunny/images/product/img/";...
2.1. Files.createDirectory创建文件夹 如果被创建文件夹的父文件夹不存在,则抛出NoSuchFileException. 如果被创建的文件夹已经存在,则抛出FileAlreadyExistsException. 如果因为磁盘IO出现异常,则抛出IOException. 代码语言:javascript 代码运行次数:0 运行 AI代码解释 Path path = Paths.get("D:\data222\test"); Path...
public static void judeDirExists(File file) { if (file.exists()) { if (file.isDirectory()) { System.out.println("dir exists");} else { System.out.println("the same name file exists, can not create dir");} } else { System.out.println("dir not exists, create it ......
Files.createFile(Path path):创建文件。 Files.delete(Path path):删除文件或目录(如果为空)。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 Path newFile = Paths.get("/home/user/newfile.txt"); Files.createFile(newFile); Files.delete(newFile); 2.2 文件读写 Files.write(Path path, byte...
f.exists()) { System.out.println("file not exist"); try { f.createNewFile(); //创建文件必须捕获异常 }catch(IOException e) { System.out.println("file create fail"+e.getMessage()); } } File dd = new File("D:\\MyJava\\Code\\JH15\\bin\\aa\\bb\\cc"); if(!dd.exists()) ...
String[] args) {File file = new File("d:\\test_file.txt");Main.judeFileExists(file);File dir = new File("d:\\test_dir");Main.judeDirExists(dir);}// 判断文件是否存在public static void judeFileExists(File file) {if (file.exists()) {System.out.println("file exists");...
通过FilePath获取文件名 getFileNameFromUri(uri: Uri?) 通过Uri获取文件名 createFile(filePath: String?, fileName: String?, overwrite: Boolean = false):File? 创建文件,同名文件创建多次会跳过已有创建新的文件,如:note.txt已存在,则再次创建会生成note(1).txt createDirectory(filePath: String?): Boolea...
Returns the pathname string of this abstract pathname's parent, or null if this pathname does not name a parent directory. FilegetParentFile() Returns the abstract pathname of this abstract pathname's parent, or null if this pathname does not name a parent directory. StringgetPath() Converts...