是所有在標題: 我創建一個Java客戶端,將消息發送到服務器,當我點擊一個按鈕,幾個客戶端可以同時連接了,這裏是我的源代碼:多線程服務器:SwingWorker Vs線程?
客戶端:
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);
}
}
服務器:
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();
}
目前我的服務器,包括一個小的錯誤,當我把它工作的消息,但之後所有被接收消息的空...看到:
我認爲問題來自於我在服務器的socClient = server.accept();
之後沒有創建線程? 如果它是什麼是最好的情況:在SwingWorker的
使用SwingWorker的。
用Runnable接口創建一個經典線程。
否則什麼是解決方案來克服這個問題? 謝謝^^。
catch(IOException e){}'爲什麼? – artbristol 2012-03-07 11:42:17
我會試試這個,稍後再回來。謝謝 – 2012-03-07 12:08:27
在客戶端和服務器上發送/接收消息之後,您也正在關閉流。據我所知,這意味着在發送消息後,流將關閉,您將無法再次從它們寫入/讀取 – 2012-03-08 12:55:11