javaSE-IO流 （二）

本章概述：本章主要讲了BufferedWriter类，BufferedReader类，BufferedWriterDemo类的使用，以及从万维网上摘取百度网页的操作

本章概述：

一、BufferedWriter的使用

1、BufferedWriterDemo

二、BufferedReader类

1、BufferedReaderDemo

 

 

三、BufferedWriter的使用

1、BufferedWriterDemo

 

四、从万维网上摘取百度网页的操作

1、BaiduDemo

package IO.empsys1;

import java.io.*;
import java.net.URL;

public class BaiduDemo {
    public static void main(String[] args) {
        BufferedReader bufferedReader=null;
        BufferedWriter bufferedWriter=null;
        try {
             bufferedReader=new BufferedReader(new InputStreamReader(new URL("http://www.baidu.com").openStream(),"utf-8"));
             bufferedWriter =new BufferedWriter(new FileWriter("E:\\baidu.html"));
             String str="";
             while ((str=bufferedReader.readLine())!=null){
               bufferedWriter.write(str);
               bufferedWriter.flush();

             }
        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            try {
                bufferedWriter.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
            try {
                bufferedReader.close();
            } catch (IOException e) {
                e.printStackTrace();
            }

        }


    }
}