EncoreLaw
2016-08-24 11:26一个简单的聊天程序,客户端接收不到服务器返回的信息,检查很多遍不知道哪里错了,望大神耐心指教
10客户端代码
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.ScrollPaneConstants;
public class chat {
JFrame frame;
JTextArea outputText;
JTextField inputText;
JButton sendButton;
JPanel mainPanel;
JPanel inputPanel;
BufferedReader reader;
Socket socket;
PrintWriter writer;
public static void main(String[] args) {
chat chat=new chat();
chat.setUpNetWorking();
chat.buildGUI();
}
public void setUpNetWorking() {
try {
socket=new Socket("127.0.0.1",5000);
InputStreamReader streamReader=new InputStreamReader(socket.getInputStream());
reader=new BufferedReader(streamReader);
writer=new PrintWriter(socket.getOutputStream());
}catch (IOException e) {
e.printStackTrace();
}
}
public void buildGUI(){
outputText=new JTextArea("",8,20);
outputText.setLineWrap(true);
outputText.setEditable(false);
JScrollPane scroller=new JScrollPane(outputText);
scroller.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
scroller.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
inputText=new JTextField(15);
inputText.addActionListener(new SendListener());
sendButton=new JButton("send");
inputPanel=new JPanel();
inputPanel.setLayout(new BorderLayout());
inputPanel.add(inputText,BorderLayout.CENTER);
inputPanel.add(sendButton,BorderLayout.EAST);
frame=new JFrame("Chat Windows");
frame.getContentPane().add(scroller,BorderLayout.CENTER);
frame.getContentPane().add(inputPanel,BorderLayout.SOUTH);
frame.setVisible(true);
frame.pack();
inputText.requestFocus();
}
public class SendListener implements ActionListener{
@Override
public void actionPerformed(ActionEvent e) {
outputText.setText(outputText.getText()+"me :"+inputText.getText()+"\n");
writer.println(inputText.getText());
writer.flush();
System.out.println("client send it "+inputText.getText());
inputText.setText("");
inputText.requestFocus();
}
public class ReceiveRunnable implements Runnable {
@Override
public void run() {
while(true){
String message=null;
try {
while((message=reader.readLine())!=null){
System.out.println("cilent Revive it "+message);
}
} catch (IOException e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}
}
}
}
}
}
服务器代码
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.ArrayList;
import java.util.Iterator;
public class ChatServer {
ArrayList<PrintWriter> inputStramList=new ArrayList<PrintWriter>();
public static void main(String[] args) {
ChatServer server=new ChatServer();
server.go();
}
public void go(){
try {
ServerSocket serverSocket=new ServerSocket(5000);
while(true){
Socket clientSocket=serverSocket.accept();
System.out.println("server connected it");
PrintWriter writer=new PrintWriter(clientSocket.getOutputStream());
inputStramList.add(writer);
Thread t=new Thread(new ReceiveRunnable(clientSocket));
t.start();
}
} catch (IOException e) {
e.printStackTrace();
}
}
public class ReceiveRunnable implements Runnable {
BufferedReader reader;
public ReceiveRunnable(Socket socket){
try {
reader=new BufferedReader(new InputStreamReader(socket.getInputStream()));
} catch (IOException e) {
}
}
public void run() {
String message;
try {
while((message=reader.readLine())!=null){
telleverbody(message);
System.out.println("server send it "+message);
}
} catch (IOException e) {
e.printStackTrace();
}
}
private void telleverbody(String message) {
Iterator<PrintWriter> it=inputStramList.iterator();
while(it.hasNext()){
PrintWriter writer=(PrintWriter) it.next();
writer.println(message);
writer.flush();
}
}
}
}
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