package?com.test;

import?java.io.*;
import?java.util.ArrayList;
import?java.util.Arrays;
import?java.util.List;

public?class?DealDataToTrain?{

????public?static?void?main（String[]args）?throws?IOException?{

?????????????/*?寫(xiě)入Txt文件?*/
????????????File?writename?=?new?File（“/usr/local/data/train.txt“）;?//?相對(duì)路徑，如果沒(méi)有則要建立一個(gè)新的output。txt文件
????????????writename.createNewFile（）;?//?創(chuàng)建新文件
????????????BufferedWriter?out?=?new?BufferedWriter（new?FileWriter（writename））;
????????????//處理數(shù)據(jù)，從perfect.csv文件中讀取數(shù)據(jù)
????????????ArrayList>?alldata1=CSV2Array（“/usr/local/data/perfect_data.csv“）;
????????????//遍歷數(shù)組
????????????for?（ArrayList?arrayList?:?alldata1）?{
????????????????for?（String?string?:?arrayList）?{
????????????????????out.write（string?+?“\n“）;
????????????????????out.flush（）;
????????????????????System.out.println（string）;
????????????????}
????????????}




//
//????????????/*?讀入TXT文件?*/
//????????????String?pathname?=?“/usr/local/data/perfect_data.csv“;?//?絕對(duì)路徑或相對(duì)路徑都可以，這里是絕對(duì)路徑，寫(xiě)入文件時(shí)演示相對(duì)路徑
//????????????File?filename?=?new?File（pathname）;?//?要讀取以上路徑的input。txt文件
//????????????InputStreamReader?reader?=?new?InputStreamReader（
//????????????????????new?FileInputStream（filename））;?//?建立一個(gè)輸入流對(duì)象reader
//????????????BufferedReader?br?=?new?BufferedReader（reader）;?//?建立一個(gè)對(duì)象，它把文件內(nèi)容轉(zhuǎn)成計(jì)算機(jī)能讀懂的語(yǔ)言
//????????????String?line?=?““;
//????????????line?=?br.readLine（）;
//
//????????????//===========================================
//
////????????????/*?寫(xiě)入Txt文件?*/
////????????????File?writename?=?new?File（“/usr/local/data/train.txt“）;?//?相對(duì)路徑，如果沒(méi)有則要建立一個(gè)新的output。txt文件
////????????????writename.createNewFile（）;?//?創(chuàng)建新文件
////????????????BufferedWriter?out?=?new?BufferedWriter（new?FileWriter（writename））;
//
//
//
//
//????????????//===========================================
//????????????while?（line?!=?null）?{
//????????????????System.out.println（line）;
////????????????????line?=?br.readLine（）;?//?一次讀入一行數(shù)據(jù)
////????????????????String[]arr=null;
////????????????????if（line!=null）?{
////????????????????????arr?=?line.split（““）;
////????????????????}
////????????????????String?Linedata=““;
////????????????????if（!arr[0].equals（“gate“）?&&?arr.length>=7）?{
////????????????????????Linedata=arr[0]+““+arr[1]+“?“+arr[2]+“?“+arr[3]+“?“+arr[4]+“?“+arr[5]+“?“+arr[6];
////????????????????????out.write（Linedata?+?“\n“）;?//?\r\n即為換行
////????????????????????out.flush（）;?//?把緩存區(qū)內(nèi)容壓入文件
////????????????????}
//
//????????????}

????}

????public?static?ArrayList>?CSV2Array（String?path）?{
????????try?{
????????????BufferedReader?in?=?new?BufferedReader（new?InputStreamReader（new?FileInputStream（path）?“UTF-8“））;
????????????ArrayList>?alldata?=?new?ArrayList>（）;
????????????String?line;
????????????String[]?arr;
????????????String?linedata;
????????????while?（（line?=?in.readLine（））?!=?null）?{
????????????????arr?=?line.split（““）;??//默認(rèn)分割符為逗號(hào)，可以不使用逗號(hào)
????????????????linedata=arr[0]+““+arr[1]+“?“+arr[2]+“?“+arr[3