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SocketService.java

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package com.socket;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.PrintWriter;

import java.net.ServerSocket;

import java.net.Socket;

public class SocketService {

public static void main(String[] args) {

}

public void oneServer() throws IOException {

ServerSocket socketServer=null;

try {

if(socketServer==null) {

socketServer=new ServerSocket(80);//b)指定绑定的端口，并监听此端口。

print("服务器启动成功!");

}

} catch (IOException e) {

print("没有启动监听："+e);

}

Socket socket=null;

try {

if(socket==null) {

socket=socketServer.accept();//调用accept()方法开始监听，等待客户端的连接

}

} catch (Exception e) {

System.out.println("Error."+e);

}

String line;

BufferedReader in=new BufferedReader(new InputStreamReader(socket.getInputStream())); //由Socket对象得到输入流，并构造相应的BufferedReader对象

PrintWriter writer=new PrintWriter(socket.getOutputStream()); //由Socket对象得到输出流，并构造PrintWriter对象

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));//由系统标准输入设备构造BufferedReader对象

print("Client:"+in.readLine());

line=br.readLine();//从标准输入读入一字符串

while(!line.equals("end"));

writer.println(line);

writer.flush();

print("Server:"+line);

print("Client:"+in.readLine());

line=br.readLine();

writer.close(); //关闭Socket输出流

in.close(); //关闭Socket输入流

socket.close(); //关闭Socket

socketServer.close(); //关闭ServerSocket

}

public void print(String str) {

System.out.println(str);

}

}