Socket发送Bytes信息到接口

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import java.io.BufferedInputStream;

import java.io.IOException;

import java.io.OutputStream;

import java.net.Socket;

import java.net.UnknownHostException;

import java.util.Random;

publicclass A {

publicstatic Socket oSocket;

publicstatic String sendMessage(String message) {

String result = null;

try {

OutputStream outputStream = oSocket.getOutputStream();

outputStream.write(hexStringToBytes(message));

outputStream.flush();

BufferedInputStream in = new BufferedInputStream(

oSocket.getInputStream());

byte[] b =new byte[1024];

in.read(b);

result = bytesToHexString(b);

} catch (Exception e) {

e.printStackTrace();

}

return result;

}

public String excuteXdrByMsi(int length)

{

StringBuffer buffer = new StringBuffer("0123456789");

StringBuffer sb = new StringBuffer();

Random r = new Random();

int range = buffer.length();

for (int i = 0; i < length; i ++)

{

sb.append(buffer.charAt(r.nextInt(range)));

}

return sb.toString();

}

/**

* 描述信息

* @param args

publicstatic void main(String[] args) {

try {

A a=new A();

StringBuffer str = new StringBuffer();

str.append("7e5a");

str.append("0014");

str.append("23");

str.append("40");

str.append("00");

str.append("03");

str.append("0000");

str.append("00000000");

str.append(a.excuteXdrByMsi(32));

str.append(a.excuteXdrByMsi(8));

oSocket =new Socket("111.111.111.111", 1111);

sendMessage(String.valueOf(str));

} catch (UnknownHostException e) {

//TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e) {

//TODO Auto-generated catch block

e.printStackTrace();

}

publicstatic byte[] hexStringToBytes(String hexString)

{

if ((hexString ==null) || (hexString.equals(""))) {

returnnull;

}

hexString = hexString.toUpperCase();

int length = hexString.length() / 2;

char[] hexChars = hexString.toCharArray();

byte[] d =new byte[length];

for (int i = 0; i < length; i++) {

int pos = i * 2;

d[i] = (byte)(charToByte(hexChars[pos]) << 4 |charToByte(hexChars[(pos + 1)]));

}

return d;

}

privatestatic byte charToByte(char c)

{

return (byte)"0123456789ABCDEF".indexOf(c);

}

publicstatic final String bytesToHexString(byte[] bArray) {

StringBuffer sb = new StringBuffer(bArray.length);

String sTemp;

for (int i = 0; i < bArray.length; i++) {

sTemp = Integer.toHexString(0xFF & bArray[i]);

if (sTemp.length() < 2)

sb.append(0);

sb.append(sTemp.toUpperCase());

}

return sb.toString();

}

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