从控制台输入项目路径输出java到本地txt

package com.bigdata.financial.xsbassessment.test;import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileWriter;import java.io.IOException;import java.io.InputStreamReader;import java.util.ArrayList;import java.util.List;import java.util.Scanner;import java.util.regex.Matcher;import java.util.regex.Pattern;/** *  * @author 通过控制台输入项目文件路径，实现java文件的复制 * */public class CopyManyJavaFileToTxt {     private static ArrayList<String> filelist = new ArrayList<String>();    public static void main(String[] args) {        String  pathstr = inputPorjectPath();        if(checkPath(pathstr)){            List<String> list= getFiles(filePathProcess(pathstr));             for(String lis:list){                    if(BufferedReaderAndBufferedWriter(lis,"D:\\abc.txt")){                         System.out.println("文件写出成功");                    }else{                         System.out.println("文件写出失败");                    };                }        }else{            inputPorjectPath();        };    }    public static Boolean checkPath(String path){        boolean flag = false;        while(!flag){            System.out.println("确认正确输入Y/y,取消输入N/n");            String YesOrNo = inputYesOrNo();            if(YesOrNo.equalsIgnoreCase("y")){                if(filePathProcess(path).equalsIgnoreCase("no")){                    flag = false;                }else{                    flag = true;                                    };            }else if(YesOrNo.equalsIgnoreCase("n")){                inputPorjectPath();            }else{                System.out.println("不支持的操作");                checkPath(path);            }        }        return flag;    }    public static String inputYesOrNo(){        Scanner input = new Scanner(System.in);         return input.nextLine();    }    public static String inputPorjectPath(){        System.out.println("请输入你要copy的Java项目文件路径，并定位到//src目录:形如：E://Workspaces//MyEclipse//bigdata_financial_xsbassessment1.0//src");        Scanner input = new Scanner(System.in);         String str = input.nextLine();        System.out.println("你输入的路径是："+str+"请检查输入项目路径正确");        return str;    };    public static String filePathProcess(String pathstr){         pathstr=pathstr.replaceAll("\\\\","\\//").trim();         Pattern p = Pattern.compile("(^//.|^/|^[a-zA-Z])?:?/.+(/$)?");         Matcher m = p.matcher(pathstr);         if(!m.matches()){             System.out.println("文件输入内容不正确，请输入N/n进行取消，重新输入");             return "no";         }else{             return pathstr;         }    }     /**     * 通过递归得到某一路径下所有的目录及其文件     */    public static List<String> getFiles(String filePath){      File root = new File(filePath);        File[] files = root.listFiles();        for(File file:files){              if(file.isDirectory()){              getFiles(file.getAbsolutePath());//递归调用(如果继续是目录的话)         }else{              if(file.getAbsolutePath().endsWith(".java")){                  filelist.add(file.getAbsolutePath());//将文件放入到集合里面              }         }             }        return filelist;     }    /**     *      * @param inputFilePath     * @param outputFilePath "D:\\abc.txt"     * @return     */    public static Boolean BufferedReaderAndBufferedWriter(String inputFilePath,String outputFilePath){        BufferedReader br = null;        BufferedWriter bw = null;        File file = null;//输出路径        try {            file = new File(outputFilePath);            if (!file.exists() != false) {                  try {                      file.createNewFile();                  } catch (IOException e) {                      e.printStackTrace();                  }              }            //输出路径检查            br = new BufferedReader(new InputStreamReader(new FileInputStream(inputFilePath), "UTF-8"));//读取文件            bw = new BufferedWriter(new FileWriter(file,true));//多个文件添加到一个文件不覆盖（FileWriter里面两个参数，第二个 参数设置为true,如果覆盖的话没有第二个参数，或者将第二个参数设置为false）；            String tempString = null;            while ((tempString = br.readLine()) != null) {                bw.write(tempString);//输出字符串                  bw.newLine();//换行                  bw.flush();              }            return true;        } catch (FileNotFoundException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        } finally {            if (br != null) {                try {                    br.close();                } catch (IOException e) {                    e.printStackTrace();                }            }            if(bw!= null){                try{                     bw.close();                }catch(IOException e){                    e.printStackTrace();                }            }        }        return false;    }}