zoukankan      html  css  js  c++  java
  • Java读文件夹

    使用JAVA读取文件夹中的多个文件

    package hx.ReadFile;
    
    
    import java.io.FileNotFoundException;
    import java.io.IOException;
    import java.io.File;
    
    public class ReadFile {
            public ReadFile() 
            {
            }
            /**
             * 读取某个文件夹下的所有文件
             */
            public static boolean readfile(String filepath) throws FileNotFoundException, IOException 
            {
                try{
                    File file = new File(filepath);
                    if (!file.isDirectory()) 
                    {
                            System.out.println("文件");
                            System.out.println("path=" + file.getPath());
                            System.out.println("absolutepath=" + file.getAbsolutePath());
                            System.out.println("name=" + file.getName());
                    } 
                    else if (file.isDirectory()) 
                    {
                        System.out.println("文件夹");
                        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("name=" + readfile.getName());
    
                            } 
                            else if (readfile.isDirectory()) 
                            {
                                readfile(filepath + "\" + filelist[i]);
                            }
                        }
    
                    }
    
                } 
                catch (FileNotFoundException e) 
                {
                    System.out.println("readfile()   Exception:" + e.getMessage());
                }
                return true;
            }
    
            /**
             * 删除某个文件夹下的所有文件夹和文件
             */
            
            
            /*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");
                                    String[] filelist = file.list();
                                    for (int i = 0; i < filelist.length; i++) {
                                            File delfile = new File(delpath + "\" + filelist[i]);
                                            if (!delfile.isDirectory()) {
                                                    System.out.println("path=" + delfile.getPath());
                                                    System.out.println("absolutepath="
                                                                    + delfile.getAbsolutePath());
                                                    System.out.println("name=" + delfile.getName());
                                                    delfile.delete();
                                                    System.out.println("删除文件成功");
                                            } else if (delfile.isDirectory()) {
                                                    deletefile(delpath + "\" + filelist[i]);
                                            }
                                    }
                                    file.delete();
    
                            }
    
                    } catch (FileNotFoundException e) {
                            System.out.println("deletefile()   Exception:" + e.getMessage());
                    }
                    return true;
            }*/
            
            public static void main(String[] args) 
            {
                try
                {
                    readfile("e:/wifi_mac/client");
                    // deletefile("D:/file");
                } 
                catch (FileNotFoundException ex) 
                {
                } 
                catch (IOException ex) 
                {
                }
                System.out.println("ok");
            }
    
    }
  • 相关阅读:
    线程池:
    C#:实现托盘
    Linux内核 TCP/IP、Socket参数调优
    redis配置文件redis.conf参数说明
    redis安装与参数说明
    巧用linux服务器的/dev/shm/,如果合理使用,可以避开磁盘IO不给力,提高网站访问速度。
    mkdir:批量创建文件夹
    linux下的shell运算(加、减、乘、除)
    Linux查看文件编码格式及文件编码转换
    解决vi/vim中粘贴会在行首多很多缩进和空格的问题
  • 原文地址:https://www.cnblogs.com/taurusfy/p/5462213.html
Copyright © 2011-2022 走看看