package hcz.remove.filepath;

import java.io.File;

import java.io.FileFilter;
import java.io.FilenameFilter;
public class RemoveFilePath {
					
						public static void main(String[] args)
						{
							RemoveFilePath fl = new RemoveFilePath();
							fl.delete("D:\\Backup\\");
//							fl.fileList_del("D:\\Backup");
//							File file = new File("D:\\Backup");
//							fl.all_List(file);
						}
						//删除path路径下所有.txt结尾的文件
						public void delete(String path)
						{
							File f = new File(path);
					
							String[] files = f.list(new FilenameFilter()
							{
								public boolean accept(File dir,String name)
								{
									File file = new File(dir,name);
									return file.isFile()&&name.endsWith(".txt");
								}
							});
					
							for(String file:files)
							{
								File del = new File(path,file);
								del.delete();
							}
						}
						
						//删除path路径下所有.class结尾的文件
						public void fileList_del(String path)
						{
							File f = new File(path);
							File[] files = f.listFiles(new FileFilter()
							{
								public boolean accept(File pathname)
								{
									return pathname.isFile()&&pathname.getName().endsWith(".class");
								}
							});
							for(File file:files)
							{
								file.delete();
							}
							
						}
					
						//遍历某目录或文件
						public void all_List(File f)
						{
							if(f.isFile())
							{
								System.out.println(f.getName());
							}
							else
							{
								System.out.println("目录: "+f.getName()+"----");
								File[] files = f.listFiles();
								for(File file:files)
								{
									//遍历文件或目录
									all_List(file);
								}
							}
						}
					
					}