11.java网络操作

*Socket(adress,port)

*bind()将客户端绑定本地地址

*connect()连接指定的服务器

*getInetAddress()返回客户端地址

*getInputStream()返回客户端输入流

*getLocalAddress()返回客户端绑定的本地ip

*getLocalPort()返回客户端绑定的本地端口

*getOutputStream()返回客户端输出流

*getPort()返回远程连接端口号

*isClosed()返回关闭状态

*ServerSovket

*accept()返回socket对象

*setSoTimeout(int timeout) 设置超时连接时间

网络传输举例

package Wangluo;

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.OutputStreamWriter;

import java.net.ServerSocket;

import java.net.Socket;

public class Fuwu {

public static void main(String[] args) throws IOException {

ServerSocket ss = new ServerSocket(10086);

Socket s = ss.accept();

String ip = s.getInetAddress().getHostAddress();

System.out.println(ip);

BufferedReader bis = new BufferedReader(

new InputStreamReader(System.in));

BufferedReader bis1 = new BufferedReader(new InputStreamReader(

s.getInputStream()));

BufferedWriter bfw = new BufferedWriter(new OutputStreamWriter(

s.getOutputStream()));

Du du = new Du(bis1);

Xie xie = new Xie(bfw, bis);

Thread t1 = new Thread(du);

Thread t2 = new Thread(xie);

t1.start();

t2.start();

}

class Du implements Runnable {

BufferedReader bis1;

String line;

@Override

public void run() {

try {

while ((line = bis1.readLine()) != null) {

System.out.println(line);

}

} catch (IOException e) {

e.printStackTrace();

}

public Du(BufferedReader bis1) {

super();

this.bis1 = bis1;

}

class Xie implements Runnable {

BufferedWriter bfw;

BufferedReader bis;

String line;

public Xie(BufferedWriter bfw, BufferedReader bis) {

super();

this.bfw = bfw;

this.bis = bis;

}

public void run() {

try {

while ((line = bis.readLine()) != null) {

bfw.write(line);

bfw.newLine();

bfw.flush();

}