package cn.itcast.view;(5)
import cn.itcast.dao.UserDao;
import cn.itcast.dao.impl.UserDaoImpl;
import cn.itcast.util.UiUtil;
import javax.swing.JOptionPane;
public class LoginFrame extends javax.swing.JFrame {
/**
* Creates new form LoginFrame
*/
public LoginFrame() {
initComponents();
init();
}
private void init() {
this.setTitle("登录界面");
this.setResizable(false);
UiUtil.setFrameCenter(this);
UiUtil.setFrameImage(this,"user.jpg");
}
/**
* 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">//GEN-BEGIN:initComponents
private void initComponents() {
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jtfUsername = new javax.swing.JTextField();
jpfPassword = new javax.swing.JPasswordField();
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
jButton3 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jLabel1.setText("用户名：");
jLabel2.setText("密码：");
jButton1.setText("登录");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jButton2.setText("重置");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
jButton3.setText("注册");
jButton3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton3ActionPerformed(evt);
}
});
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.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(42, 42, 42)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel1)
.addComponent(jLabel2))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jtfUsername, javax.swing.GroupLayout.DEFAULT_SIZE, 174, Short.MAX_VALUE)
.addComponent(jpfPassword)))
.addGroup(layout.createSequentialGroup()
.addGap(64, 64, 64)
.addComponent(jButton1)
.addGap(18, 18, 18)
.addComponent(jButton2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jButton3)))
.addContainerGap(61, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(47, 47, 47)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(jtfUsername, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(31, 31, 31)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(jpfPassword, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(54, 54, 54)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton1)
.addComponent(jButton2)
.addComponent(jButton3))
.addContainerGap(48, Short.MAX_VALUE))
);
pack();
}// </editor-fold>//GEN-END:initComponents
private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed
RegistFrame rf = new RegistFrame();
rf.setVisible(true);
// this.setVisible(false);
this.dispose();
}//GEN-LAST:event_jButton3ActionPerformed
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
this.jtfUsername.setText("");
this.jpfPassword.setText("");
}//GEN-LAST:event_jButton2ActionPerformed
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
/*
思路：
A:获取用户名和密码
B:正则表达式校验用户名和密码
C:创建对象调用功能，返回一个boolean值
D:根据boolean值给出提示
*/
//获取用户名和密码
String username = this.jtfUsername.getText().trim();
String password = this.jpfPassword.getText().trim();
//用正则表达式做数据校验
//定义规则
//用户名规则
String usernameRegex = "[a-zA-z]{5}";
//密码规则
String passwordRegex = "\\w{6,12}";
//校验
if(!username.matches(usernameRegex)) {
JOptionPane.showMessageDialog(this, "用户名不满足条件(5个英文字母组成)");
this.jtfUsername.setText("");
this.jtfUsername.requestFocus();
return;
}
if(!password.matches(passwordRegex)) {
JOptionPane.showMessageDialog(this, "密码不满足条件(6-12个任意单词字符)");
this.jpfPassword.setText("");
this.jpfPassword.requestFocus();
return;
}
//创建对象调用功能，返回一个boolean值
UserDao ud = new UserDaoImpl();
boolean flag = ud.login(username, password);
if(flag){
JOptionPane.showMessageDialog(this, "恭喜你登录成功");
// NewJFrame njf = new NewJFrame();
NewJFrame njf = new NewJFrame(username);
njf.setVisible(true);
this.dispose();
}else {
JOptionPane.showMessageDialog(this, "用户名或者密码有误");
this.jtfUsername.setText("");
this.jpfPassword.setText("");
this.jtfUsername.requestFocus();
}
}//GEN-LAST:event_jButton1ActionPerformed
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(LoginFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(LoginFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(LoginFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(LoginFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new LoginFrame().setVisible(true);
}
});
}
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton3;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JPasswordField jpfPassword;
private javax.swing.JTextField jtfUsername;
// End of variables declaration//GEN-END:variables
}
