java io学习

package com.glut.util;

//import java.io.BufferedInputStream;
import java.io.BufferedReader;
//import java.io.File;
//import java.io.FileInputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.net.URL;

public class main{  
	public static void main(String[] args) {  
		 
        // 读取D:\notePad\aa.txt里面的内容  
      //  File file = new File("C:\\Users\\10693\\Desktop\\1111.docx");  
        try {  
        	 URL url=new URL("https://blog.csdn.net/xuqian1638/article/details/79563222");
            // 创建读取流即输入流 
        	 //InputStream in = url.openStream();
        	 BufferedReader read = new BufferedReader(new InputStreamReader(url.openStream(),"utf-8")); 
            int len;  
            char[] buf = new char[1024];
           // Reader isr =new InputStreamReader(in);
           // BufferedReader is =new BufferedReader(isr);
            StringBuffer sb = new StringBuffer();  
            // 把读取的数据添加到StringBuffer里面  
            while ((len = read.read(buf)) != -1) {  
                sb.append(new String(buf, 0, len));  
            }  
            // 把StringBuffer里面的内容打印出来  
            System.out.println(sb);  
            read.close();  
        } catch (Exception e) {  
            e.printStackTrace();  
        }  
    }  
    }