loginframe.java

码头船舶管理系统 适合初学者使用 J2SE的知识

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import javax.swing.JFrame;
import javax.swing.JButton;
import javax.swing.JOptionPane;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import javax.swing.JLabel;
import javax.swing.JPanel;


public class LoginFrame implements ActionListener{
	JTextField name_tf;
	JPasswordField pwd_tf;
	JFrame lFrame;
	JButton confirm_button;
	JButton reset_button;
	ArrayList array = new ArrayList();
	Customer ct;
	
	//构造方法
	public LoginFrame(){
		
		array.add(new Customer("一号船","一号位","hello","12345678","hello","上海市吴中路"));
		array.add(new Customer("二号船","二号位","Miky","32345678","miky","上海市汉中路"));
		array.add(new Customer("三号船","三号位","呵呵","22345678","hehe","上海市汉中路"));
		array.add(new Customer("4号船","4号位","heello","62345678","hehe","上海市汉中路"));
		
		JFrame lFrame = new JFrame("登陆");
		
		//定义panel
		
		JPanel up_panel = new JPanel();
		JPanel down_panel = new JPanel();
		JPanel main_panel = new JPanel();
		JPanel up_panel1 = new JPanel();
		
		//定义标签
		
		JLabel name_lb = new JLabel("用户名：");
		name_lb.setHorizontalAlignment(JLabel.RIGHT);
		JLabel pwd_lb = new JLabel("密    码：");
		pwd_lb.setHorizontalAlignment(JLabel.RIGHT);
		name_tf = new JTextField(15);
		pwd_tf = new JPasswordField(15);
		pwd_tf.setEchoChar('#');
		
		//定义按妞
		
		confirm_button = new JButton("确定");
		reset_button = new JButton("重填");
		confirm_button.addActionListener(this);
		reset_button.addActionListener(this);
		
		//panel加入标签
		
		up_panel.add(name_lb);
		up_panel.add(name_tf);
		up_panel1.add(pwd_lb);
		up_panel1.add(pwd_tf);
		
		//按妞假如panel
		
		down_panel.add(confirm_button);
		down_panel.add(reset_button);
		
		main_panel.add(up_panel);
		main_panel.add(up_panel1);
		main_panel.add(down_panel);
		
		lFrame.add(main_panel);
		lFrame.setSize(300,200);
		lFrame.setLocation(350,250);
		lFrame.setDefaultCloseOperation(lFrame.EXIT_ON_CLOSE);
		lFrame.setResizable(false);
		lFrame.setVisible(true);
		
	}
	
public LoginFrame(ArrayList ar){
	int ar_i = ar.size();
	for(int j=0;j<ar_i;j++){
		Customer ct = (Customer)ar.get(j);
		String id = new String(ct.getB().getId());
		String length = new String(ct.getB().getLength());
		String name = new String(ct.getName());
		String tel = new String(ct.getTel());
		String pwd = new String(ct.getPwd());
		String add = new String(ct.getAddress());
		ct = new Customer(id,length,name,tel,pwd,add);
		this.array.add(ct);
	}
		
		
		array.add(new Customer("5号船","5号位","five","02112345678","hello","上海市吴中路"));
		array.add(new Customer("6号船","6号位","six","02112345678","miky","上海市汉中路"));
		array.add(new Customer("7号船","7号位","seven","02112345678","hehe","上海市汉中路"));
		
		JFrame lFrame = new JFrame("登陆");
		
		//定义panel
		
		JPanel up_panel = new JPanel();
		JPanel down_panel = new JPanel();
		JPanel main_panel = new JPanel();
		JPanel up_panel1 = new JPanel();
		
		//定义标签
		
		JLabel name_lb = new JLabel("用户名：");
		name_lb.setHorizontalAlignment(JLabel.RIGHT);
		JLabel pwd_lb = new JLabel("密    码：");
		pwd_lb.setHorizontalAlignment(JLabel.RIGHT);
		name_tf = new JTextField(15);
		pwd_tf = new JPasswordField(15);
		pwd_tf.setEchoChar('#');
		
		//定义按妞
		
		confirm_button = new JButton("确定");
		reset_button = new JButton("重填");
		confirm_button.addActionListener(this);
		reset_button.addActionListener(this);
		
		//panel加入标签
		
		up_panel.add(name_lb);
		up_panel.add(name_tf);
		up_panel1.add(pwd_lb);
		up_panel1.add(pwd_tf);
		
		//按妞假如panel
		
		down_panel.add(confirm_button);
		down_panel.add(reset_button);
		
		main_panel.add(up_panel);
		main_panel.add(up_panel1);
		main_panel.add(down_panel);
		
		lFrame.add(main_panel);
		lFrame.setSize(300,200);
		lFrame.setLocation(350,250);
		lFrame.setDefaultCloseOperation(lFrame.EXIT_ON_CLOSE);
		lFrame.setResizable(false);
		lFrame.setVisible(true);
		
	}
	public void actionPerformed(ActionEvent e){
		if(e.getActionCommand().equals("确定")){
			int f = 0;
			String name = name_tf.getText();
			String pwd = new String(pwd_tf.getPassword());
			
			if(name.equals("admin")){
				if(pwd.equals("admin")){
					JOptionPane.showMessageDialog(lFrame,"登陆成功！","提示信息",JOptionPane.ERROR_MESSAGE);
					new MainFrame(array);
					//lFrame.dispose();
					//lFrame.dispose();
					
					
				}
				
				else{
					JOptionPane.showMessageDialog(lFrame,"密码错误！","提示信息",JOptionPane.ERROR_MESSAGE);
					pwd_tf.setText("");
					pwd_tf.requestFocus(true);
				}
				
				
			}
			else{
			
			int ai = array.size();
			for(int i = 0;i<ai;i++){
				int j=0;
				Customer ct = (Customer)array.get(i);
				
				f ++;
				j++;
				System.out.println("i:"+i);
				System.out.println("j:"+j);
				if(name.equals(ct.getName()) ){
					
					if(pwd.equals(ct.getPwd())){
						
					
						ArrayList ar =array;
						new ShowInfo(ct);
					
						//lFrame.setVisible(false);
						break;
						//lFrame.dispose();
						//lFrame.setVisible(false);
						//JOptionPane.showMessageDialog(lFrame,"登陆成功！","提示信息",JOptionPane.ERROR_MESSAGE);
					}
					else{
						JOptionPane.showMessageDialog(lFrame,"密码错误！","提示信息",JOptionPane.ERROR_MESSAGE);
						pwd_tf.setText("");
						pwd_tf.requestFocus(true);
						//lFrame.dispose();
						break;
					}
				}
				//else if(j>=ai){
					//JOptionPane.showMessageDialog(lFrame,"用户不存在请先注册！","提示信息",JOptionPane.ERROR_MESSAGE);
					//new RegisterCustomer(array);
				//}
				else if(f==ai-1){
					JOptionPane.showMessageDialog(lFrame,"用户不存在请先注册！","提示信息",JOptionPane.ERROR_MESSAGE);
					new RegisterCustomer(array);
					//JOptionPane.showMessageDialog(lFrame,"密码或错误，请重新输入！","提示信息",JOptionPane.ERROR_MESSAGE);
					//pwd_tf.setText("");
					//name_tf.setText("");
					//name_tf.requestFocus(true);
				}
			}
			
			
		}
		}
		if(e.getActionCommand().equals("重填")){
			name_tf.setText("");
			pwd_tf.setText("");
			name_tf.requestFocus(true);
		}
	}
	
	public static void main(String[] args){
		new LoginFrame();
		
	}
}