package View; import Controller.AdmiCon; import Controller.ReaderCon; import Model.table.Administrator; import Tool.InputLimit; import Tool.MD5Tool; import Tool.PubJdialog; import javax.swing.*; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.sql.SQLException; import java.text.ParseException; /** * 登录界面 * * @author rsw */ public class Main extends JFrame implements ActionListener { boolean isuser = true; String count; final int WIDTH = 800, HEIGHT = 530; boolean identity;// 确定是否为用户 identity身份 int type; JPanel panel = new JPanel(); JTextField jtext = new JTextField(); JPasswordField jpassword = new JPasswordField(); JLabel backImage; JLabel[] jlab = {new JLabel("账号："), new JLabel("密码：")};// 声明标签数组 Font fnt = new Font("Microsoft YaHei", Font.BOLD, 20); JButton jbt_lading, jbt_login, jbt_forgetPass; JRadioButton jrb1 = new JRadioButton("用户"); JRadioButton jrb2 = new JRadioButton("管理员"); AdmiCon admiCon = new AdmiCon(); Administrator admi = new Administrator(); ReaderCon readercon = new ReaderCon(); /* * 登录界面 */ public Main() { ButtonGroup grp = new ButtonGroup();// 实例化单选按钮组 backImage = new JLabel(new ImageIcon("")); panel.setLayout(null);// 取消默认布局管理器 jbt_lading = new JButton("登录");// 登录按钮 jbt_lading.setFont( new Font("黑体", Font.PLAIN, 20)); jbt_login = new JButton("注册");// 注册按钮 jbt_login.setFont(new Font("黑体", Font.PLAIN, 20)); jbt_forgetPass = new JButton("忘记密码"); jbt_forgetPass.setFont(new Font("黑体", Font.PLAIN, 20)); this.setLayout(null); this.setTitle("图书管理系统"); this.setSize(WIDTH, HEIGHT); this.setLocationRelativeTo(null);// 设置窗体居中显示 this.setResizable(false);// 窗口不能改变大小 this.setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);// 关闭窗口不执行任何操作 this.setVisible(true);// 使窗口显示 jtext.setBounds(250, 200, 250, 40); jpassword.setBounds(250, 260, 250, 40); jtext.setFont(fnt); jpassword.setFont(fnt); jtext.setDocument(new InputLimit(16)); jpassword.setDocument(new InputLimit(16));// 匿名调用工具类——“限制输入”工具，限制输入16位 panel.setBounds(0, 0, WIDTH, HEIGHT); jbt_lading.setBounds(280, 330, 200, 40); jbt_login.setBounds(510, 200, 120, 40); jbt_forgetPass.setBounds(510, 260, 120, 40); jbt_login.setFocusable(false);// 去焦点 jlab[0].setBounds(180, 200, 80, 40); jlab[1].setBounds(180, 260, 80, 40); jlab[0].setFont(fnt); jlab[1].setFont(fnt); backImage.setSize(WIDTH, HEIGHT); jlab[0].setHorizontalAlignment(0);// 设置水平对齐方式 0居中 jlab[1].setHorizontalAlignment(0); jrb1.setBounds(270, 150, 100, 40); jrb2.setBounds(370, 150, 100, 40); jrb1.setSelected(true);//设置用户单选按钮默认被选中 jrb1.setFont(new Font("黑体", Font.PLAIN, 20)); jrb2.setFont(new Font("黑体", Font.PLAIN, 20)); grp.add(jrb1);// 将单选按钮添加到单选按钮组中（保证单选） grp.add(jrb2); panel.add(jrb1); panel.add(jrb2); panel.add(jtext); panel.add(jpassword); panel.add(jbt_lading); panel.add(jbt_login); panel.add(jbt_forgetPass); panel.add(jlab[0]); panel.add(jlab[1]); panel.add(backImage); this.add(panel); jrb1.addActionListener(this);// 设置单选框的监听者 jrb2.addActionListener(this); jbt_lading.addActionListener(this);// 设置按钮的监听者 jbt_login.addActionListener(this); jbt_forgetPass.addActionListener(this); jtext.addActionListener(this);// 设置账号监听者 jpassword.addActionListener(this);// 设置密码监听者 jtext.addFocusListener(new InputLimit(jtext, ""));// 设置文诓提示的外部类监听 // 点击结束程序时，弹出对话框 this.addWindowListener(new WindowAdapter() { @Override public void windowClosing(WindowEvent e) { int c = JOptionPane.showConfirmDialog(null, "是否要退出系统程序", "操作验证", JOptionPane.YES_NO_OPTION); if (c == JOptionPane.YES_OPTION) { System.exit(0); } } }); } @Override public void actionPerformed(ActionEvent e) { Object obj = e.getSource(); String number = jtext.getText(); String password = MD5Tool.string2MD5(new String(jpassword.getPassword())); boolean resurt = InputLimit.regular("^[0-9a-zA-Z]{2,16}$", number);// 调用工具类中的验证正则的方法，传递正则和验证正则的文本 /* * 管理员不可注册 */ if (obj == jrb1) { isuser = true; jbt_login.setVisible(true); jbt_forgetPass.setVisible(true); panel.add(jbt_login); panel.add(jbt_forgetPass); jbt_login.repaint(); jbt_forgetPass.repaint(); jtext.addFocusListener(new InputLimit(jtext, ""));// 设置文诓提示的外部类监听 } else if (obj == jrb2) { isuser = false; jbt_login.setVisible(false); jbt_forgetPass.setVisible(false); panel.remove(jbt_login); panel.remove(jbt_forgetPass); jtext.addFocusListener(new InputLimit(jtext, ""));// 设置文诓提示的外部类监听 } /* * 判断登录的账号密码信息 加入正则验证 */ if (obj == jbt_lading) {// 登录按钮 try { if (number.equals("") || password.equals("")) { // 判断输入是否为空 JOptionPane.showMessageDialog(null, "输入数据为空", "输入错误", JOptionPane.ERROR_MESSAGE); } else if (resurt) { if (readercon.queryRerader(number, password) && isuser == true) { count = number;// 将登录正确的账号传回数据库，方便查询信息，确保是哪个用户 new UserFace(count); this.dispose(); } else if (admiCon.queryAdmi(number, password) && isuser == false) { count = number; new ManageFace(count); this.dispose(); } else { JOptionPane.showMessageDialog(null, "用户名或密码输入错误", "信息错误", JOptionPane.ERROR_MESSAGE); jpassword.setText(null); } } else { JOptionPane.showMessageDialog(null, "请输入6-16位的数字或者字母", "输入格式错误", JOptionPane.ERROR_MESSAGE); } } catch (SQLException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } else if (obj == jbt_login) { try { new Login(); this.dispose(); } catch (SQLException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } else if (obj == jbt_forgetPass) { JLabel[] jlab_forget = {new JLabel("学号："), new JLabel("密保：")}; JTextField[] jtext_forget = new JTextField[2]; try { new PubJdialog(jlab_forget, jtext_forget).setVisible(true); } catch (SQLException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } } public static void main(String[] args) throws ParseException { new Main(); } }