java socket测试

java  socket测试

package com.vfsd.core;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;

public class VFSDClientServer {
    
    public static void main(String[] args) {
        //String hex = Integer.toHexString(var);
        
        String addressIP="115.26.69.66";
        int addressPort=8779;
        
        startServerSocket(addressIP,addressPort);
    }

    public static void startServerSocket(String addressIP,int addressPort) {
        try {
            //serverSocket = new ServerSocket(addressPort);
            Socket acceptSocket = new Socket(addressIP,addressPort);
            
            DataInputStream dis = new DataInputStream(acceptSocket.getInputStream());
            DataOutputStream dos = new DataOutputStream(acceptSocket.getOutputStream());
            
            while(true) {
                //boolean isClosed = isServerClose(acceptSocket);//判断是否断开
                
                boolean isClosed = acceptSocket.isClosed();
                if(true) {
                    //InetAddress spcketAddress = acceptSocket.getInetAddress();
                    //String hostName = spcketAddress.getHostAddress();
                    //String receiveMsg = dis.readUTF();
                    
                    //System.out.println("host name:"+hostName+"  msg:"+receiveMsg);
                    
                    sendData(dos);
                }
                
            }
            
            
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        
        
        
    }
    
    public static void sendData(DataOutputStream dos) {
        String dataStr = createRandomData3();
        try {
            System.out.println("=========================================");
            System.out.println(dataStr);
            
            dos.writeUTF(dataStr);
            //dos.write(dataStr.getBytes());
            //dos.writeBytes(dataStr);
            
            //byte[] bytes1 = new byte[dataStr.length()];
            /*for(int i=0;i<dataStr.length();i++) {
                //bytes1[i] = dataStr.ge
            }*/
            //dos.writeBytes(dataStr);
            dos.flush();
            
            //byte[] bytes = new byte[2400];
            //dos.write(dataStr.getBytes());
            //dos.flush();
            
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        
    }
    
    public static String createRandomData3() {
        //int x_len = (int) (Math.random()*60+10);
        //int y_len = (int) (Math.random()*60+10);
        
        int x_len = 60;
        int y_len = 20;
        
        
        java.text.DecimalFormat   df   =new   java.text.DecimalFormat("#.00");  
        
        //int z_len = x*y;
        String dataStr="abcd";
        
        for(int x=0;x<x_len;x++) {
            for(int y=0;y<y_len;y++) {
                double zd = Math.random()*10;
                String zStr = df.format(zd);
                double zd2 = Double.parseDouble(zStr);
                int z = (int) (zd2*100);
                //dataStr=dataStr+x+" "+y+" "+z+"\n";
                dataStr=dataStr+Integer.toHexString(z)+"";
            }
        }
        
        //System.out.println(dataStr);
        return dataStr;
    }
    
}