makecall.java

外卖管理程序

package Client;

import javax.swing.JOptionPane;
import javax.swing.JLabel;

public class MakeCall {
	public void dial(String messages,JLabel state)
	{
		try{
			con = new NetCon(JOptionPane.showInputDialog("give the take away shop ip addr,please!"));
			state.setText("connecting");
			con.send(messages);
			isBusy = con.receive();
		}catch(Exception e)
		{
			JOptionPane.showConfirmDialog(null,"connection err!","err!",JOptionPane.OK_OPTION);
			con.close();
			state.setText("cannot connect!");
			return;
		}
		if(isBusy.equals("001"))
		{
			JOptionPane.showConfirmDialog(null,"the take shop is busy,please connection later!","busying!",JOptionPane.OK_OPTION);
			con.close();
			state.setText("is busy,please dial later!");
		}else
		{
			JOptionPane.showConfirmDialog(null,"you are connecting the take away shop!","ok!",JOptionPane.OK_OPTION);
			con.close();
			state.setText("connection!");
		}
	}
	
	private NetCon con;
	private String isBusy;
}