The Java implementation reads and deletes files under folders

The Java implementation reads and deletes files under folders

package test.com;
 
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
 
public class ReadFile {
  public ReadFile() {
  }
  
  public static boolean readfile(String filepath) throws FileNotFoundException, IOException {
      try {
 
          File file = new File(filepath);
          if (!file.isDirectory()) {
//System. The out. Println (" file ");
//              System.out.println("path=" + file.getPath());
//              System.out.println("absolutepath=" + file.getAbsolutePath());
              System.out.println(file.getName());
 
          } else if (file.isDirectory()) {
              String[] filelist = file.list();
              for (int i = 0; i < filelist.length; i++) {
                  File readfile = new File(filepath + "\" + filelist[i]);
                  if (!readfile.isDirectory()) {
//                      System.out.println("path=" + readfile.getPath());
//                      System.out.println("absolutepath="
//                              + readfile.getAbsolutePath());
                      System.out.println(readfile.getName());
 
                  } else if (readfile.isDirectory()) {
                      readfile(filepath + "\" + filelist[i]);
                  }
              }
 
          }
 
      } catch (FileNotFoundException e) {
          System.out.println("readfile()  Exception:" + e.getMessage());
      }
      return true;
  }
 
  
   
   
  
   
  public static void main(String[] args) {
      try {
          readfile("C:\Users\SW\Desktop\SKJ_H25 � are \004_RCAG\003_SKJ");
          // deletefile("D:/file");
      } catch (FileNotFoundException ex) {
      } catch (IOException ex) {
      }
      System.out.println("ok");
  }
 
}

Method 2:

package otherstudy;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;


public class TestReadFile {
	
	String getProjectPath(){
		//Get a path that looks like "/d:/${workspace}/${projectName}/WebRoot/ web-inf /classes/"
    String path=this.getClass().getResource("/").getPath();
    //Extract the project path from the path string
    path=path.substring(1, path.indexOf("WEB-INF/classes"));
    System.out.println(" Project path: "+path);
    return path;
	}
	
	public static void main(String[] args) {
		TestReadFile trf=new TestReadFile();
		String xmlPath = trf.getProjectPath()+ "testDocs";
		try {
			readAllFile(xmlPath);
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	public static boolean readAllFile(String filepath)
			throws FileNotFoundException, IOException {
		try {
			File file = new File(filepath);
			if (!file.isDirectory()) {
				System.out.println("n File information: ");
				System.out.println("t Relative paths =" + file.getPath());
				System.out.println("t An absolute path =" + file.getAbsolutePath());
				System.out.println("t The file name =" + file.getName());

			} else if (file.isDirectory()) {
				System.out.println("n List of files in the folder: ");
				File[] fileList = file.listFiles();
				for (int i = 0; i < fileList.length; i++) {
					File readfile = fileList[i];
					if (!readfile.isDirectory()) {
						System.out.println("nt Relative paths =" + readfile.getPath());
						System.out.println("t An absolute path =" + readfile.getAbsolutePath());
						System.out.println("t The file name =" + readfile.getName());
					} else if (readfile.isDirectory()) {
						readAllFile(fileList[i].getPath());
					}
				}
			}
		} catch (FileNotFoundException e) {
			System.out.println("readfile()  Exception:" + e.getMessage());
		}
		return true;
	}

	
	public static boolean deleteFile(String delpath)
			throws FileNotFoundException, IOException {
		try {
			File file = new File(delpath);
			if (!file.isDirectory()) {
				System.out.println("1");
				file.delete();
			} else if (file.isDirectory()) {
				System.out.println("2");
				File[] fileList = file.listFiles();
				for (int i = 0; i < fileList.length; i++) {
					File delfile = fileList[i];
					if (!delfile.isDirectory()) {
						System.out.println(" Relative paths =" + delfile.getPath());
						System.out.println(" An absolute path =" + delfile.getAbsolutePath());
						System.out.println(" The file name =" + delfile.getName());
						delfile.delete();
						System.out.println(" File deleted successfully ");
					} else if (delfile.isDirectory()) {
						deleteFile(fileList[i].getPath());
					}
				}
				file.delete();
			}
		} catch (FileNotFoundException e) {
			System.out.println("deletefile()  Exception:" + e.getMessage());
		}
		return true;
	}
}

The above is all the content of this article, I hope you can enjoy it.