是所有在标题: 我创建一个Java客户端,将消息发送到服务器,当我点击一个按钮,几个客户端可以同时连接了,这里是我的源代码:多线程服务器:SwingWorker Vs线程?
客户端:
private void simulerMessageActionPerformed(java.awt.event.ActionEvent evt) {
try {
log.append("wait for connexion..\n");
socket=new Socket(ip.getText(),Integer.parseInt(port.getText()));
log.append("Connexion to the server ok");
BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()) ); ligne.
PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream())), true);
String str = "test1";
log.append("\n"+str+"\n");
out.println(str);
in.close();
out.close();
socket.close();
} catch (UnknownHostException ex) {
Logger.getLogger(Simulator.class.getName()).log(Level.SEVERE, null, ex);
} catch (IOException ex) {
Logger.getLogger(Simulator.class.getName()).log(Level.SEVERE, null, ex);
}
}
服务器:
private void demarreActionPerformed(java.awt.event.ActionEvent evt) {
sw=new SwingWorker<String,Void>(){
protected String doInBackground() throws Exception {
try {
server = new ServerSocket(Integer.parseInt(port.getText()));
} catch (IOException ex) {
return "already in use";
}
String str1="waiting for connexion";
String str2="Connexion ok";
log.append(str1+"\n");
PrintWriter out=null;
BufferedReader in=null;
Socket socClient=null;
while(ecoute){
try{
socClient = server.accept();
}catch(java.net.SocketException e){
return "[user] Server Stoped";
}
log.append(str2+"\n");
in = new BufferedReader(
new InputStreamReader(socClient.getInputStream())
);
out = new PrintWriter(
new BufferedWriter(
new OutputStreamWriter(socClient.getOutputStream())),
true);
String str = in.readLine();
log.append(str+"\n");
}
return "fatal error";
}
protected void done(){
String m="";
try {
m=get();
} catch (InterruptedException ex) {
Logger.getLogger(Server.class.getName()).log(Level.SEVERE, null, ex);
} catch (ExecutionException ex) {
Logger.getLogger(Server.class.getName()).log(Level.SEVERE, null, ex);
}
log.append(m+"\n");
}
};
sw.execute();
}
目前我的服务器,包括一个小的错误,当我把它工作的消息,但之后所有被接收消息的空...看到:
我认为问题来自于我在服务器的socClient = server.accept();
之后没有创建线程? 如果它是什么是最好的情况:在SwingWorker的
使用SwingWorker的。
用Runnable接口创建一个经典线程。
否则什么是解决方案来克服这个问题? 谢谢^^。
catch(IOException e){}'为什么? – artbristol 2012-03-07 11:42:17
我会试试这个,稍后再回来。谢谢 – 2012-03-07 12:08:27
在客户端和服务器上发送/接收消息之后,您也正在关闭流。据我所知,这意味着在发送消息后,流将关闭,您将无法再次从它们写入/读取 – 2012-03-08 12:55:11