# 具体遇到的问题

# 报错信息的截图

# 相关课程内容截图

# 尝试过的解决思路和结果

# 粘贴全部相关代码，切记添加代码注释（请勿截图）

package com.zhong.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 Test4_7 {

FileInputStream fis;

InputStreamReader isr;

BufferedReader br;

FileOutputStream fos;

OutputStreamWriter osw;

BufferedWriter bw;

public void transWriteByBuf(String fileName){

try {

fos=new FileOutputStream(fileName);

osw=new OutputStreamWriter(fos, "utf-8");

bw=new BufferedWriter(osw);

bw.write("你好吗？\n");

bw.write("我很好！");

bw.flush();

bw.close();

osw.close();

fos.close();

} catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e){

e.printStackTrace();

}

}

public void transReadByBuf(String fileName){

try {

fis=new FileInputStream(fileName);

isr=new InputStreamReader(fis, "utf-8");

br=new BufferedReader(isr);

System.out.println(br.readLine());

System.out.println(br.readLine());

br.close();

isr.close();

fis.close();

} catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e){

e.printStackTrace();

}

}

public static void main(String[] args) {

// TODO Auto-generated method stub

Test4_7 test=new Test4_7();

test.transWriteByBuf("happy.txt");

test.transReadByBuf("happy.txt");

}

}