zoukankan      html  css  js  c++  java
  • java读取某个文件夹下的所有文件

    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:/videos");
                            // deletefile("D:/file");
                    } catch (FileNotFoundException ex) {
                    } catch (IOException ex) {
                    }
                    System.out.println("ok");
            }

    }

  • 相关阅读:
    单例模式-Singlleton
    C#中静态与非静态方法比较
    关于orcale的数据库脚本,记录下来,方便自己以后用到查找
    关于Oracle和SQLServer数据库在.net中拼接数据库语句的不同
    Oracle数据类型与.NET中的对应关系
    Got a packet bigger than 'max_allowed_packet' bytes
    .NET、C#和ASP.NET三者之间的区别(转)
    The use specified as definer('root'@'%') does not exist的解决办法
    app.config .exe.config .vshost.exe.config配置
    python学习:(3)自动化表单提交
  • 原文地址:https://www.cnblogs.com/onetwo/p/5131748.html
Copyright © 2011-2022 走看看