j​a​v​a​创​建​和​删​除​文​件​夹​、​文​件

//新建一个文件夹

public void newFolder(String folderPath) {      try {        String filePath = folderPath;        File myFilePath = new File(filePath);        if (!myFilePath.exists()) {          myFilePath.mkdir();        }      } catch (Exception e) {        System.out.println("新建文件夹操作出错");        e.printStackTrace();      }  }

//删除文件夹

public void delFolder(String folderPath){      try{            String filePath = folderPath;            File delPath = new File(filePath);            delPath.delete();      }catch (Exception e) {        System.out.println("删除文件夹操作出错");        e.printStackTrace();      }  }

//新建文件

public void createFile(String fileName){      try{  String myFileName = fileName;  if (!myFileName.exists()) {      myFileName.createNewFile();  }      }catch (Exception e) {        System.out.println("新建文件操作出错");        e.printStackTrace();      }  }

//删除文件

public void delFile(String fileName){      try{        String myFileName = fileName;        myFileName.delete();      }catch (Exception e) {        System.out.println("删除文件操作出错");        e.printStackTrace();      }  }