import java.sql.*;
import javax.swing.JOptionPane;
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
/**
*
* @author Laguardia
*/
public class logins extends javax.swing.JFrame {
Connection con;
ResultSet rs;
PreparedStatement pst;
/**
* Creates new form logins
*/
public logins() {
initComponents();
}
public Connection getConnection(){
try{ //username //database =pass no password
Connection con = (Connection)DriverManager.getConnection("jdbc:mysql://localhost/voting_system","root","");
return con;
}
catch(Exception e){
}
return null;
}
/**
* 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() {
usertext = new javax.swing.JTextField();
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jButton2 = new javax.swing.JButton();
passtext = new javax.swing.JPasswordField();
jButton1 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setBackground(new java.awt.Color(0, 0, 0));
usertext.setFont(new java.awt.Font("Courier New", 1, 18)); // NOI18N
usertext.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
usertextActionPerformed(evt);
}
});
usertext.addKeyListener(new java.awt.event.KeyAdapter() {
public void keyPressed(java.awt.event.KeyEvent evt) {
usertextKeyPressed(evt);
}
});
jLabel1.setFont(new java.awt.Font("Courier New", 1, 18)); // NOI18N
jLabel1.setText("ID Number");
jLabel2.setFont(new java.awt.Font("Courier New", 1, 18)); // NOI18N
jLabel2.setHorizontalAlignment(javax.swing.SwingConstants.RIGHT);
jLabel2.setText("Password");
jButton2.setBackground(new java.awt.Color(0, 0, 0));
jButton2.setFont(new java.awt.Font("Courier New", 1, 24)); // NOI18N
jButton2.setText("LOGIN");
jButton2.setToolTipText("");
jButton2.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseEntered(java.awt.event.MouseEvent evt) {
jButton2MouseEntered(evt);
}
});
jButton2.addInputMethodListener(new java.awt.event.InputMethodListener() {
public void caretPositionChanged(java.awt.event.InputMethodEvent evt) {
}
public void inputMethodTextChanged(java.awt.event.InputMethodEvent evt) {
jButton2InputMethodTextChanged(evt);
}
});
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
passtext.setFont(new java.awt.Font("Courier New", 1, 18)); // NOI18N
passtext.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
passtextActionPerformed(evt);
}
});
passtext.addKeyListener(new java.awt.event.KeyAdapter() {
public void keyPressed(java.awt.event.KeyEvent evt) {
passtextKeyPressed(evt);
}
});
jButton1.setBackground(new java.awt.Color(0, 0, 0));
jButton1.setFont(new java.awt.Font("Courier New", 1, 18)); // NOI18N
jButton1.setText("Main Menu");
jButton1.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
jButton1MouseClicked(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()
.addGap(139, 139, 139)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(95, 95, 95)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 131, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton1)))
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addComponent(jLabel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(layout.createSequentialGroup()
.addGap(10, 10, 10)
.addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 89, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(usertext)
.addComponent(passtext, javax.swing.GroupLayout.PREFERRED_SIZE, 187, javax.swing.GroupLayout.PREFERRED_SIZE))))
.addContainerGap(157, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(111, 111, 111)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jLabel2)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jLabel1)
.addComponent(usertext, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(9, 9, 9)
.addComponent(passtext, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGap(27, 27, 27)
.addComponent(jButton2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jButton1)
.addContainerGap(153, Short.MAX_VALUE))
);
pack();
}// </editor-fold>//GEN-END:initComponents
private void usertextActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_usertextActionPerformed
String yes="yes";
String no="no";
String passid=usertext.getText();
String login = "SELECT * FROM account WHERE id_number ='"+usertext.getText()+"' AND password = '"+passtext.getText() + " ' AND status = '"+no +"'";
String already = "SELECT * FROM account WHERE id_number ='"+usertext.getText()+"' AND password = '"+passtext.getText() + " ' AND
简单的Java投票系统源码.rar
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2023-09-06
22:53:44
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简单的Java投票系统源码.rar （94个子文件） 
classroom-voting-system-master nbproject 
project.properties 2KB genfiles.properties 475B build-impl.xml 78KB project.xml 539B private private.xml 486B private.properties 91B _config.yml 26B src VotersList.form 6KB voting.form 17KB AllData.form 5KB logins.java 19KB adminmenu.form 7KB mainmenu.form 12KB VotersList.java 9KB adminmenu.java 9KB AllData.java 9KB icons 
voters.png 20KB login.png 17KB voteresult.png 21KB candidates.png 19KB voteresult.java 13KB logins.form 8KB adminlogin.form 5KB adminlogin.java 9KB images 
mainmenu.jpg 602KB blacknwhitepines_edit.jpg 161KB blacknwhitepines.jpg 708KB registration.jpg 248KB forgot.form 10KB forgot.java 12KB voting.java 18KB voteresult.form 18KB mainmenu.java 9KB manifest.mf 85B JarFilesForNetBeans 
mysql-connector-java-5.1.46.jar 981KB rs2xml.jar 168KB build classes adminmenu$1.class 698B VotersList$3.class 705B logins$3.class 645B voting$1.class 677B voting$3.class 494B VotersList$2.class 705B mainmenu$3.class 502B adminmenu.class 8KB adminmenu$7.class 506B forgot.class 9KB VotersList$4.class 510B AllData$4.class 498B adminmenu$6.class 698B voting.class 12KB logins$4.class 794B AllData.class 8KB logins$1.class 677B voteresult.class 8KB logins$2.class 635B forgot$5.class 494B VotersList.class 8KB logins$7.class 635B forgot$4.class 677B AllData$2.class 684B forgot$1.class 677B mainmenu$1.class 691B mainmenu$2.class 691B adminlogin$1.class 705B adminmenu$3.class 666B icons voters.png 20KB login.png 17KB voteresult.png 21KB candidates.png 19KB voteresult$1.class 510B adminlogin$2.class 705B adminmenu$4.class 880B mainmenu.class 7KB adminlogin.class 8KB AllData$1.class 652B VotersList$1.class 673B logins$6.class 677B images mainmenu.jpg 602KB blacknwhitepines_edit.jpg 161KB blacknwhitepines.jpg 708KB registration.jpg 248KB adminlogin$3.class 510B forgot$2.class 677B adminmenu$5.class 666B forgot$3.class 677B voting$2.class 677B logins$9.class 494B adminmenu$2.class 698B logins$5.class 677B logins.class 13KB AllData$3.class 684B logins$8.class 645B empty built-jar.properties 116B generated-sources ap-source-output build.xml 4KB资源评论
