import java.io.IOException;

import java.io.OutputStream;

import java.io.PrintWriter;

import java.net.Socket;

import java.net.UnknownHostException;

//客戶端

public class Client {

public static void main(String[] args) {

try {

//創(chuàng)建客戶端Socket 指定服務(wù)器端地址和URL端口

Socket kos=new Socket("localhost",8990);

//客戶端向服務(wù)器端發(fā)送登錄信息 ?獲取輸出流

OutputStream am= kos.getOutputStream();

//字節(jié)流換成打印流

PrintWriter cm=new PrintWriter(am);

cm.write("用戶名：admin;密碼：123456");

cm.flush();//使用flush方法向服務(wù)端發(fā)送輸出

kos.shutdownOutput();;//關(guān)閉輸出流

//關(guān)閉資源

cm.close();

am.close();

kos.close();

} catch (UnknownHostException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

}

}