atm_client.java

来自「简单ATM（Automatic Teller Machine）系统的基本功能包括」· Java 代码 · 共 544 行 · 第 1/2 页

                                Label account=new Label("您的余额为:");
                                TextField tx3=new TextField(15);
                                tx3.setText(""+balance);
                                plOperate.add(account);
                                plOperate.add(tx3);
                                winOperate.setVisible(true);
                                    return;
                                }
                            }
                    }
                    dialogErr.setVisible(true);
                } catch (Exception ex) {
                    //System.out.println(ex.toString());
                }
        }

  //type=0表示取款，type=1表示存款
  public void updateBalance(String moneyStr,int type)
  {
      try {
          String msg;
          //check moneyStr
          if (Msg.isValid(moneyStr, moneyStr.length())
              && Integer.parseInt(moneyStr)>0
                  && Integer.parseInt(moneyStr)<=2000)
          {
              if (type == 0)
                  msg = Character.toString(Msg.CMD_WITHDROW) + moneyStr;
              else
                  msg = Character.toString(Msg.CMD_DEPOSIT) + moneyStr;
              out.println(msg);
              String line;
              if ((line = is.readLine()) != null) {
                  System.out.println("Received: "+line);
                  char cmd = line.charAt(0);
                  if (cmd == Msg.CMD_WITHDROW || cmd == Msg.CMD_DEPOSIT) {
                      char result = line.charAt(1);
                      if (result == Msg.SUCCESSFUL) { //登录成功
                          plOperate.removeAll();
                          Label money1 = new Label("交易成功");
                          plOperate.add(money1);
                          winOperate.setVisible(true);
                          return;

                      }
                  }
              }
          }
          dialogErr.setVisible(true);
      } catch (Exception ex) {
          //System.out.println("error" + ex.toString());
      }
  }
    public void updatePassword(String newPwd)
    {
        try {
            //check account and password
            if (Msg.isValid(newPwd, Msg.PWD_LENGTH))
            {
                String msg=Character.toString(Msg.CMD_CHANGE)+ newPwd;
                out.println(msg);
                String line;
                if ((line = is.readLine()) != null) {
                    System.out.println("Received: "+line);
                    char cmd = line.charAt(0);
                    if (cmd == Msg.CMD_CHANGE) {
                        char result = line.charAt(1);
                        if (result == Msg.SUCCESSFUL) { //登录成功
                            plOperate.removeAll();
                            Label pass1 = new Label("密码修改成功");
                            plOperate.add(pass1);
                            winOperate.setVisible(true);
                            return;
                        }
                    }
                }
            }
            dialogErr.setVisible(true);
        } catch (Exception ex) {
            //System.out.println(ex.toString());
        }
    }
class ActionListener1 implements ActionListener
{
	int moneyInt,password1;
	Button btnWithdrawOK,btnDepositOK,btnChageOK;
	String moneyStr,newPwdStr;
	TextField tfMoney,tfNewPwd;

	public void actionPerformed(ActionEvent e)
	{
		if(e.getSource()==fileMenuItem1)
		{
                    exitPro();
			//System.exit(0);
		}
		if(e.getSource()==helpMenuItem1)
		{
		    dialogAbout.setSize(220,100);
		    dialogAbout.setVisible(true);
		    //dialogAbout.addWindowListener(new WindowListener2());
		}
		if(e.getSource()==btnExit)
		{
			if(flag==true)
		   {

			   plOperate.removeAll();
			   winOperate.dispose();
			   new ATM_client();

		    }

		}
		if(e.getSource()==btnCancel)
		{
			tfUser.setText("");
			tfPwd.setText("");
		}
		if(e.getSource()==btnLogin)
		{
			username=tfUser.getText();
			//password=Integer.parseInt(tfPwd.getText());
                        password=tfPwd.getText();
			login(username,password);
		}
		if(e.getSource()==btnBalance)
		{
                    plOperate.removeAll();
                    queryBalance();
                }
		if(e.getSource()==btnWithdraw || e.getSource()==btnDeposit)
		{
			if(flag==true)
			{
                            Label lblMoney;
				plOperate.removeAll();
                                if(e.getSource()==btnWithdraw)
                                {
                                    lblMoney = new Label("取款金额:");
                                    btnWithdrawOK = new Button("OK");
                                    btnWithdrawOK.addActionListener(new
                                            ActionListener2());
                                }
                                else{
                                    lblMoney = new Label("存款金额:");
                                    btnDepositOK = new Button("OK");
                                    btnDepositOK.addActionListener(new
                                            ActionListener2());
                                }
                                tfMoney=new TextField(10);
                                plOperate.add(lblMoney);
                                plOperate.add(tfMoney);
                                if(e.getSource()==btnWithdraw)
				    plOperate.add(btnWithdrawOK);
                                else
				    plOperate.add(btnDepositOK);
				winOperate.setVisible(true);
			  }
		}
		if(e.getSource()==btnChange)
	        {
		      if(flag==true)
			  {
				plOperate.removeAll();
				Label lblNewPwd=new Label("输入新密码:");
				tfNewPwd=new TextField(10);
                                tfNewPwd.setColumns(6);
                                tfNewPwd.setEchoChar('*');
				plOperate.add(lblNewPwd);
				plOperate.add(tfNewPwd);
				btnChageOK=new Button("OK");
		                btnChageOK.addActionListener(new ActionListener2());
				plOperate.add(btnChageOK);
				winOperate.setVisible(true);
			  }
	        }
	}
	class ActionListener2 implements ActionListener
	{
		public void actionPerformed(ActionEvent ee)
		{
			//System.out.println(moneyInt);
			if(ee.getSource()==btnWithdrawOK)
			{
				moneyStr=tfMoney.getText();
				//updateBalance(Integer.parseInt(moneyStr));
				updateBalance(moneyStr,0);
			}
                        if(ee.getSource()==btnDepositOK)
                        {
                                moneyStr=tfMoney.getText();
                                updateBalance(moneyStr,1);
                        }

			if(ee.getSource()==btnChageOK)
			{
				newPwdStr=tfNewPwd.getText();
				//updatePassword(Integer.parseInt(newPwdStr));
				updatePassword(newPwdStr);
			}
		}
	}
}
class MyDialog extends Dialog
{
	Label label2=new Label("Author:梁  文 ");
	Label label3=new Label("Email:[e-mail]");
	MyDialog(Frame frame1,String title,boolean bool)
	{
		super(frame1,title,bool);
		BorderLayout layout=new BorderLayout();
		setLayout(layout);
		add(label2,BorderLayout.CENTER);
                add(label3,BorderLayout.SOUTH);
	}
}

}
//-----------------------------------------------------------
class Logo extends JWindow implements Runnable
{
	String filename;

	public Logo(String name)
	{
		filename=name;
	}
	public Logo()
	{
	}
	public void run()
	{
		URL imgURL = getClass().getResource(filename);
		ImageIcon ig=new ImageIcon(imgURL);
		JButton btnOK=new JButton(ig);
		getContentPane().add(btnOK);
		Toolkit kit=Toolkit.getDefaultToolkit();
		Dimension screenSize=kit.getScreenSize();
		setLocation(screenSize.width/8,screenSize.height/8);
		setSize(ig.getIconWidth(),ig.getIconHeight());
		toFront();
		thread1 thread2=new thread1();
		thread2.start();
		//setVisible(false);
	}
	public void setNotVisible()
	{

		setVisible(false);
	}

	class thread1 extends Thread
	{
		public void run()
		{
			try
			{
				setVisible(true);
				sleep(4000);
			    setNotVisible();
			}
			catch(InterruptedException e)
			{
				//System.out.print(e.toString());
			}
		}
	}

}