loginjdialog.java

客运售票管理信息系统

/*
 * LoginJDialog.java
 *
 * Created on 2009年1月11日, 下午6:49
 */

package passengertransportmis;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

import org.jdesktop.application.Action;

/**
 *
 * @author  Degree41
 */
public class LoginJDialog extends javax.swing.JDialog {

    /** Creates new form LoginJDialog */
    public LoginJDialog(java.awt.Frame parent, boolean modal,String []args) {
        super(parent, modal);
        initComponents();
        this.args = args;
    }

    @Action
    public void confirm() {
    	if(this.useridTextField.getText().isEmpty()){
    		javax.swing.JOptionPane.showMessageDialog(this, "请输入用户编号！", "请输入", 2/*warning*/);
	    	return;
    	}
    	if(this.passwordField.getText().isEmpty()){
    		javax.swing.JOptionPane.showMessageDialog(this, "请输入用户密码！", "请输入", 2/*warning*/);
	    	return;
    	}
    	if(this.passwordField.getText().equals(password)){	    	 
	    	String[] userInfo = new String[3];
	    	userInfo[0] = this.useridTextField.getText();	    	
	    	userInfo[1] = this.username;
	    	userInfo[2] = this.password;
	    	PassengerTransportMISApp.setUserInfo(userInfo);
	    	PassengerTransportMISApp.setRole(role);
	    	PassengerTransportMISApp.Main(args);
	    	this.dispose();
	    }else{
	    	javax.swing.JOptionPane.showMessageDialog(this, "密码错误，请重新输入！", "请重新输入", 0/*error*/);
	    }
    	return;
    }
     
    @Action
    public void cancel() {
       this.dispose();
       System.exit(0);
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {

        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        useridTextField = new javax.swing.JTextField();
        usernameTextField = new javax.swing.JTextField();
        passwordField = new javax.swing.JPasswordField();
        confirmButton = new javax.swing.JButton();
        cancelButton = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
        org.jdesktop.application.ResourceMap resourceMap = org.jdesktop.application.Application.getInstance(passengertransportmis.PassengerTransportMISApp.class).getContext().getResourceMap(LoginJDialog.class);
        setTitle(resourceMap.getString("Form.title")); // NOI18N
        setName("Form"); // NOI18N
                

        jLabel1.setText(resourceMap.getString("jLabel1.text")); // NOI18N
        jLabel1.setName("jLabel1"); // NOI18N

        jLabel2.setText(resourceMap.getString("jLabel2.text")); // NOI18N
        jLabel2.setName("jLabel2"); // NOI18N

        jLabel3.setText(resourceMap.getString("jLabel3.text")); // NOI18N
        jLabel3.setName("jLabel3"); // NOI18N

        useridTextField.setHorizontalAlignment(javax.swing.JTextField.LEFT);
        useridTextField.setName("useridTextField"); // NOI18N
        useridTextField.setNextFocusableComponent(passwordField);
        useridTextField.setVerifyInputWhenFocusTarget(false);
        useridTextField.addFocusListener(new java.awt.event.FocusAdapter() {
            public void focusLost(java.awt.event.FocusEvent evt) {
                try {
                	if(useridTextField.getText().isEmpty()){
                		useridTextFieldFocusLost(evt);
                	}else{               	
                		useridTextFieldFocusLost(evt,true);
                	}
				} catch (SQLException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
            }
            
        });

        usernameTextField.setText(resourceMap.getString("usernameTextField.text")); // NOI18N
        usernameTextField.setText(resourceMap.getString("usernameTextField.text")); // NOI18N
        usernameTextField.setEnabled(false);
        usernameTextField.setName("usernameTextField"); // NOI18N

        passwordField.setText(resourceMap.getString("passwordField.text")); // NOI18N
        passwordField.setName("passwordField"); // NOI18N
        
        javax.swing.ActionMap actionMap = org.jdesktop.application.Application.getInstance(passengertransportmis.PassengerTransportMISApp.class).getContext().getActionMap(LoginJDialog.class, this);
        confirmButton.setAction(actionMap.get("confirm")); // NOI18N
        confirmButton.setText(resourceMap.getString("confirmButton.text")); // NOI18N
        confirmButton.setName("confirmButton"); // NOI18N

        cancelButton.setAction(actionMap.get("cancel")); // NOI18N
        cancelButton.setText(resourceMap.getString("cancelButton.text")); // NOI18N
        cancelButton.setName("cancelButton"); // NOI18N

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(confirmButton)
                        .addGap(36, 36, 36)
                        .addComponent(cancelButton))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(43, 43, 43)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jLabel1)
                            .addComponent(jLabel2)
                            .addComponent(jLabel3))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 50, Short.MAX_VALUE)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(passwordField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(usernameTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(useridTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 86, javax.swing.GroupLayout.PREFERRED_SIZE))))
                .addContainerGap(61, Short.MAX_VALUE))
        );

        layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {passwordField, useridTextField, usernameTextField});

        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(45, 45, 45)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(useridTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(17, 17, 17)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2)
                    .addComponent(usernameTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(19, 19, 19)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel3)
                    .addComponent(passwordField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(confirmButton, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(cancelButton))
                .addContainerGap(39, Short.MAX_VALUE))
        );

        layout.linkSize(javax.swing.SwingConstants.VERTICAL, new java.awt.Component[] {cancelButton, confirmButton, jLabel1, jLabel2, jLabel3, passwordField, useridTextField, usernameTextField});

        pack();
    }// </editor-fold>

    private void useridTextFieldFocusLost(java.awt.event.FocusEvent evt) {
    
    }
	private void useridTextFieldFocusLost(java.awt.event.FocusEvent evt, boolean bool) throws SQLException {//重载仅为处理此情况：当初次打开直接要点击取消时，id框失去焦点会触发FocusLost（）
	// TODO add your handling code here:
		Connection conn = Database.getConn();
		Statement stmt = Database.createStmt(conn);
		ResultSet rs = null;
	  
		String userid = this.useridTextField.getText();	  
	    String sql = new String("select * from user where id = '" + userid +  "';");
	   
	    rs = stmt.executeQuery(sql);
	    
	    if(!rs.first()) {
	    	javax.swing.JOptionPane.showMessageDialog(this, "该用户不存在，请检查输入的用户编号是否正确！", "请重新输入", 0/*error*/);
	    	this.useridTextField.setText("");
	    	return;	    	
	    }
	   
	    userid = rs.getString(1).toString();
	    username = rs.getString(2);
	    this.usernameTextField.setText(username);
	    password = rs.getString(3);
	    role = rs.getShort(5);
	        
	}

    /**
    * @param args the command line arguments
    */
    public static void main(final String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                LoginJDialog dialog = new LoginJDialog(new javax.swing.JFrame(), true, args);
                dialog.addWindowListener(new java.awt.event.WindowAdapter() {
                    public void windowClosing(java.awt.event.WindowEvent e) {
                        System.exit(0);
                    }
                });
                dialog.setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify
    private javax.swing.JButton cancelButton;
    private javax.swing.JButton confirmButton;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JPasswordField passwordField;
    private javax.swing.JTextField useridTextField;
    private javax.swing.JTextField usernameTextField;
    // End of variables declaration
    
    String []args = null;
    
    String userid;
    String username;
    String password;
    short role;

}