package com.jd.io;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

/*
?* 轉(zhuǎn)換流:InputStreamReader?? OutputStreamReader
?* 1.以字符流的形式操作字節(jié)流
?* 2.指定字符集
?*/
public class ConvertTest {
?? ?public static void main(String[] args) {
?? ??? ??? ?//操作System.in(字節(jié)輸入流)和System.out(字節(jié)輸出流)
?? ??? ?//我們鍵盤輸入的都是純文本，所以我們可以對其轉(zhuǎn)換
//?? ??? ?InputStreamReader isr=new InputStreamReader(System.in);//這里我們轉(zhuǎn)換成了字符輸入流了
//?? ??? ?OutputStreamWriter? osw=new OutputStreamWriter(System.out);
?? ??? ?//所以緩存我們也是使用BufferReader
?? ??? ?try(BufferedReader reader=new BufferedReader(new InputStreamReader(System.in));
?? ??? ?BufferedWriter writer=new BufferedWriter(new OutputStreamWriter(System.out));){
?? ??? ??? ??? ??? ?//循環(huán)獲取鍵盤的輸入(exit退出),輸出此內(nèi)容
?? ??? ??? ?String msg="";//分配了一個內(nèi)存空間
?? ??? ??? ?while(!msg.equals("exit")) {
?? ??? ??? ??? ?msg=reader.readLine();//將字符讀到字符數(shù)組里面，這是寫入
//?? ??? ??? ??? ?System.out.println(msg);
?? ??? ??? ??? ?writer.write(msg);//寫出內(nèi)容，講文本寫出到程序
?? ??? ??? ??? ?writer.newLine();//回車換行
?? ??? ??? ??? ?writer.flush();//強制刷新
?? ??? ??? ?}
?? ??? ?}catch(IOException e) {
?? ??? ??? ?System.out.println("操作異常");
?? ??? ?}

?? ?}
}