传统socket服务端（线程池）

socket服务端完整示例：

package OIO;
import java.io.IOException;
import java.io.InputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
/**
 * 传统socket服务端
 * @author 架构师小跟班 www.jiatou1216.com
 *
 */
public class OioServer {
    @SuppressWarnings("resource")
    public static void main(String[] args) throws Exception {
        ExecutorService newCachedThreadPool = Executors.newCachedThreadPool();
        //创建socket服务,监听10101端口
        ServerSocket server=new ServerSocket(10101);
        System.out.println("服务器启动！");
        while(true){
        //获取一个套接字（阻塞）
        final Socket socket = server.accept();
        System.out.println("来个一个新客户端！");
        newCachedThreadPool.execute(new Runnable() {
        @Override
        public void run() {
        //业务处理
        handler(socket);
        }
        });
        }
    }
    /**
     * 读取数据
     * @param socket
     * @throws Exception
     */
    public static void handler(Socket socket){
        try {
            byte[] bytes = new byte[1024];
            InputStream inputStream = socket.getInputStream();
            while(true){
            //读取数据（阻塞）
            int read = inputStream.read(bytes);
            if(read != -1){
            System.out.println(new String(bytes, 0, read));
            }else{
            break;
            }
            }
        } catch (Exception e) {
            e.printStackTrace();
            }finally{
            try {
            System.out.println("socket关闭");
            socket.close();
            } catch (IOException e) {
            e.printStackTrace();
            }
        }
    }
}