Java Socket

流程介绍

SocketServer

package com.socket;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketException;
import java.net.SocketTimeoutException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class SocketServer {
public static String _pattern = "yyyy-MM-dd HH:mm:ss SSS";
public static SimpleDateFormat format = new SimpleDateFormat(_pattern);
// 设置超时间
public static int _sec = 0;

public static void main(String[] args) {
System.out.println("----------SocketServer----------");
System.out.println(format.format(new Date()));

ServerSocket server;
try {
server = new ServerSocket(8001);
System.out.println("监听建立 等你上线\n");

Socket socket = server.accept();
System.out.println(format.format(new Date()));
System.out.println("建立了链接\n");

BufferedReader br = new BufferedReader(new InputStreamReader(socket.getInputStream()));

socket.setSoTimeout(_sec * 1000);
System.out.println(format.format(new Date()) + "\n" + _sec + "秒的时间 快写\n");

System.out.println(format.format(new Date()) + "\nSocketClient:" + br.readLine() + "\n");

Writer writer = new OutputStreamWriter(socket.getOutputStream());

System.out.println(format.format(new Date()));
System.out.println("我在写回复\n");

writer.write("收到\n");

Thread.sleep(10000);
writer.flush();

System.out.println(format.format(new Date()));
System.out.println("写完啦 你收下\n\n\n\n\n");
} catch (SocketTimeoutException e) {
System.out.println(format.format(new Date()) + "\n" + _sec + "秒没给我数据 我下啦\n\n\n\n\n");
e.printStackTrace();
} catch (SocketException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
}

SocketClient

package com.socket;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.net.Socket;
import java.net.SocketException;
import java.net.SocketTimeoutException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class SocketClient {
public static String _pattern = "yyyy-MM-dd HH:mm:ss SSS";
public static SimpleDateFormat format = new SimpleDateFormat(_pattern);
// 设置超时间
public static int _sec = 5;

public static void main(String[] args) {
System.out.println("----------SocketClient----------");

Socket socket = null;
try {
// 与服务端建立连接
socket = new Socket("127.0.0.1", 8001);
socket.setSoTimeout(_sec * 1000);

System.out.println(format.format(new Date()));
System.out.println("建立了链接\n");

// 往服务写数据
Writer writer = new OutputStreamWriter(socket.getOutputStream());

System.out.println(format.format(new Date()));
System.out.println("我在写啦\n");
Thread.sleep(10000);
writer.write("有没有收到\n");

System.out.println(format.format(new Date()));
System.out.println("写完啦 你收下\n");

writer.flush();

BufferedReader br = new BufferedReader(new InputStreamReader(socket.getInputStream()));

System.out.println(format.format(new Date()) + "\n" + _sec + "秒的时间 告诉我你收到了吗\n");

System.out.println(format.format(new Date()) + "\nSocketServer:" + br.readLine());

} catch (SocketTimeoutException e) {
System.out.println(format.format(new Date()) + "\n" + _sec + "秒没收到回复 我下啦\n\n\n\n\n");
e.printStackTrace();
} catch (SocketException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
}