单项通信的客户端程序，接受键盘输入的字符串，然后发送到服务器端显示

小咪咪 2022-05-12 04:46 174阅读 0赞

//单项通信的客户端程序，接受键盘输入的字符串，然后发送到服务器端显示  
import java.net.\*;  
import java.io.\*;  
public class simpleclient \{  
public static void main(String\[\] args) \{  
//保存输入字符串  
String s=null;  
try\{  
//获得封装服务器端IP的InetAddress类  
InetAddress addr = InetAddress.getByName(“127.0.0.1”);  
System.out.println(“addr = ” + addr);  
//连接服务器  
Socket socket = new Socket(addr, 9006);  
try \{  
//获得当前连接的数据流  
BufferedReader in =new BufferedReader(new InputStreamReader(socket.getInputStream()));  
PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream())),true);  
//接受键盘输入  
BufferedReader ii =new BufferedReader(new InputStreamReader(System.in));  
System.out.println(“socket = ” + socket);  
System.out.println(in.readLine());  
while(true)  
\{  
//接受输入向服务器发送数据  
System.out.print(“Please speak now::”);  
s=ii.readLine();  
if(s.equals(“q”)) //退出  
break;  
//向输出流写入信息  
out.println(“Client said:: ” +s);  
out.flush();  
\}  
out.println(“End speaking!”);  
\}  
catch(IOException e)  
\{  
System.out.println(“Connection error!,maybe server closed!”);  
\}  
finally \{  
System.out.println(“closing…”);  
socket.close();  
System.exit(0);  
\}  
\}  
catch(IOException ex)  
\{  
System.out.println(“Create connection error!Be sure server has started!”);  
System.exit(0);  
\}  
\}  
\}