即时聊天客户端

缺乏、安全感 2022-06-12 12:37 232阅读 0赞

package test1;
    import java.io.BufferedReader;  
    import java.io.IOException;  
    import java.io.InputStream;  
    import java.io.InputStreamReader;  
    import java.io.OutputStream;  
    import java.io.PrintWriter;  
    import java.net.Socket;  
    import java.net.UnknownHostException; 
    public class ClientSocketDemo {
        
        /** 
         * main测试方法 
         * @param args 
         * @throws UnknownHostException 
         * @throws IOException 
         */  
        public static void main(String[] args) throws UnknownHostException, IOException{  
              
            //创建客户端Socket，向服务器发起请求  
    //      String address = "127.0.0.1";  
            String address = "localhost";//服务器地址  
              
            int port = 5555;//端口号  
            Socket socket = new Socket(address, port);  
              
            //获取Socket的字节输出流  
            OutputStream out = socket.getOutputStream();  
              
            //将字节输出流包装成字符打印输出流  
            PrintWriter pw = new PrintWriter(out);  
              
           pw.print("用户名：admin,密码：123");  
           pw.print("用户名：tom,密码：456");  
           pw.print("用户名：dark,密码：789");  
           pw.print("用户名：white,密码：111");  
           pw.print("用户名：green,密码：222");  
              
            //刷新输出流  
            pw.flush();  
              
            //调用shutDown方法关闭Socket的输出流  
            socket.shutdownOutput();  
              
            //接收服务器端发来的响应信息，获取字节输入流  
            InputStream in = socket.getInputStream();  
              
            //将字节输入流包装成字符输入流  
            InputStreamReader isr = new InputStreamReader(in);  
              
            //为字符输入流添加缓冲  
            BufferedReader br = new BufferedReader(isr);  
              
            //读取字符输入流中的数据信息  
            String data = null;  
            while((data = br.readLine()) != null){  
                System.out.println("我是客户端，服务器说："+data);  
            }  
              
            //调用shutDown方法关闭Socket的输入流  
            socket.shutdownInput();  
              
            br.close();  
            isr.close();  
            in.close();  
            pw.close();  
            out.close();  
            socket.close();  
        }  
    }