newaccount.java

简易银行卡管理系统作为ATM的模拟系统

import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Arrays;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;


public class NewAccount extends JFrame implements ActionListener{
	
	private static final long serialVersionUID = 1L;
	LoginFrame loginFrame;
	private JButton submitButton;
	private JButton resetButton;
	private JButton cancelButton;
	
	private JTextField usernameTF;
	private JPasswordField passwordTF;
	private JPasswordField pwverifyTF;
	private JTextField useridTF;
	
	public NewAccount(LoginFrame loginFrame){
		this.loginFrame=loginFrame;
		usernameTF=new JTextField(15);
		passwordTF=new JPasswordField(15);
		pwverifyTF=new JPasswordField(15);
		useridTF=new JTextField(15);
		
		JPanel userInfo=new JPanel();
		userInfo.setLayout(new GridLayout(4,1));
		JPanel userInfo1=new JPanel();
		userInfo1.add(new JLabel("username"));
		userInfo1.add(usernameTF);
		JPanel userInfo2=new JPanel();
		userInfo2.add(new JLabel("password"),passwordTF);
		userInfo2.add(passwordTF);
		JPanel userInfo3=new JPanel();
		userInfo3.add(new JLabel("pwverify"),pwverifyTF);
		userInfo3.add(pwverifyTF);
		JPanel userInfo4=new JPanel();
		userInfo4.add(new JLabel("userid  "),useridTF);
		userInfo4.add(useridTF);
		
		userInfo.add(userInfo1);
		userInfo.add(userInfo2);
		userInfo.add(userInfo3);
		userInfo.add(userInfo4);
		
		submitButton=new JButton("submit");
		resetButton=new JButton("reset");
		cancelButton=new JButton("cancel");
		
		JPanel buttons=new JPanel();
		buttons.add(submitButton);
		buttons.add(resetButton);
		buttons.add(cancelButton);
		submitButton.addActionListener(this);
		resetButton.addActionListener(this);
		cancelButton.addActionListener(this);
		this.setLayout(new BorderLayout());
		this.add(userInfo,BorderLayout.CENTER);
		this.add(buttons,BorderLayout.SOUTH);
		this.setSize(400,200);
		
	}

	@Override
	public void actionPerformed(ActionEvent event) {
		String command=event.getActionCommand();
		if(command.equals(submitButton.getText())){
			if(submit()){
				this.loginFrame.setVisible(true);
				this.setVisible(false);
			}
			else reset();
		}
		else if(command.equals(cancelButton.getText())){
			this.setVisible(false);
			loginFrame.setVisible(true);
		}
		else if(command.equals(resetButton.getText())){
			reset();
		}
	}

	private void reset() {
		usernameTF.setText("");
		passwordTF.setText("");
		pwverifyTF.setText("");
		useridTF.setText("");
	}

	private boolean submit() {
		String username=usernameTF.getText();
		char password[]=passwordTF.getPassword();
		char pwverify[]=pwverifyTF.getPassword();
		String userid=useridTF.getText();
		if(username==null||username.equals("")){
			JOptionPane.showMessageDialog(this, "username is empty!");
			return false;
		}
		if(!Arrays.equals(password, pwverify)){
			password=null;
			pwverify=null;
			passwordTF.setText("");
			pwverifyTF.setText("");
			JOptionPane.showMessageDialog(this, "password is not match!");
			return false;
		}
		if(!isLegalId(userid)){
			JOptionPane.showMessageDialog(this, "userid is lawless!");
			return false;
		}
		Long id=Const.getAccount();
		User user=new User();
		user.setAccount(id+1+"");
		user.setUsername(username);
		user.setPassword(password);
		user.setUserid(userid);
		if(!Const.newAccount(user))return false;
		return true;
	}

	private boolean isLegalId(String userid) {
		if(userid==null||userid.length()>18||userid.length()==0)
			return false;
		return true;
	}
}