socket简介 - 获取简单网页内容

Socket通信实现步骤

1.创建ServerSocket 和Socket;

2.打开连接到Socket的输入/输出流

3.按照协议对Socket进行读/写操作

4.关闭输入输出流，关闭Socket

-- 模拟类

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.InetAddress;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.UnknownHostException;

public class testJava {
public static void main1(String[] args) throws UnknownHostException {
InetAddress address = InetAddress.getLocalHost();

System.out.println("计算机名:"+address.getHostName());
System.out.println("计算机ip:"+address.getHostAddress());

}
public static void main(String[] args) {

InputStream is;
try {
URL url = new URL("http://www.baidu.com");

is = url.openStream();

InputStreamReader reader = new InputStreamReader(is,"utf-8");
// 为字符输入流添加缓冲
BufferedReader br =new BufferedReader(reader);

String data = br.readLine();

while(data!=null){
System.out.println( data);
data= br.readLine();
}

br.close();

reader.close();

is.close();

} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

}
}