package com.imooc.file;

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.OutputStreamWriter;

public class HelloTest {

public static void main(String[] args) {

transWriteByBuf();

transReadByBuf();

}

//写文件

public static  void transWriteByBuf() {

try {

FileOutputStream fos = new FileOutputStream("hello.text");

OutputStreamWriter osw = new OutputStreamWriter(fos);

BufferedWriter bw = new BufferedWriter(osw);

bw.write("你好吗？\n");

bw.write("我很好。");

bw.close();

osw.close();

fos.close();

} catch (FileNotFoundException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

}

//读取文件

public static void transReadByBuf() {

try {

FileInputStream fis=new FileInputStream("hello.text");

InputStreamReader isr=new InputStreamReader(fis);

BufferedReader br=new BufferedReader(isr);

String str="";

while((str=br.readLine())!=null) {

System.out.println(str);

}

br.close();

isr.close();

fis.close();

} catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}