读取文件夹下面的文件（文件夹套文件夹格式）

读取一个文件路径下的所有文件

package Segdictionary;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.util.ArrayList;

/**
 * 构造删除的词文件
 * @author ywf
 *
 */
public class createDeleteWords {

    public static String path = "e:\\Users\\ywf\\Desktop\\删除的词";
    public static String outpath = "e:\\Users\\ywf\\Desktop\\删除.txt";
    public static void main(String[] args) throws Exception{
        File files = new File(path);
        FileWriter writer = new FileWriter(outpath, true);
        ArrayList<File> dirs = new ArrayList();//存储文件夹
        ArrayList <File> fileAll = new ArrayList<File>();//存储文件
        dirs.add(files);
        int index = 0;
        while(index<dirs.size()){
            File file1 = dirs.get(index);
            if(file1.isDirectory()){
                File[] fileList = file1.listFiles();
                for(int i= 0 ;i<fileList.length;i++){
                    File ff = fileList[i];
                    if(ff.isFile()){
                        fileAll.add(ff);
                    }else{
                        dirs.add(ff);
                    }
                }
            }else{
                fileAll.add(file1);
            }
            index++;
        }
        for(File fff :fileAll){
            InputStream in = new FileInputStream(fff);
            InputStreamReader inReader= new InputStreamReader(in);
            BufferedReader buf = new BufferedReader(inReader);                        
            String content = buf.readLine();
//            content = new String(content.getBytes("gbk"),"utf-8");
            System.out.println(content);
            while(content!=null){
                writer.write(content);
                writer.write("\n");
                content = buf.readLine();
//                content = new String(content.getBytes("gbk"),"utf-8");
            }
        }
        writer.close();
                
    }
}