Java JFrame表单源文件错误

Java JFrame表单源文件错误,java,swing,jframe,Java,Swing,Jframe,我正在使用MVC模型在NetBeans 8.0.1中开发一个登录表单,代码中没有错误,但是JFRAME源文件中自动生成的代码,JFRAME类中有错误。错误显示为:重复类:com.innovatraasolutions.eev.ui.loginform? 在整个项目中不存在该类 /* * To change this license header, choose License Headers in Project Properties. * To change this template f

我正在使用MVC模型在NetBeans 8.0.1中开发一个登录表单,代码中没有错误,但是JFRAME源文件中自动生成的代码,JFRAME类中有错误。错误显示为:
重复类:com.innovatraasolutions.eev.ui.loginform
? 在整个项目中不存在该类

/*
 * 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.
 */
package com.innovatraasolutions.eev.ui;

import com.innovatraasolutions.eev.controller.Controller;
import com.innovatraasolutions.eev.constants.Constants;

/**
 *
 * @author SpiderMan
 */
**public class LoginForm extends javax.swing.JFrame//**there's an error**** {

    /**
     * Creates new form LoginForm
     */
    public LoginForm() {
        initComponents();
    }

    /**
     * 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();
        unameTxt = new javax.swing.JTextField();
        jLabel3 = new javax.swing.JLabel();
        pwdTxt = new javax.swing.JPasswordField();
        loginBtn = new javax.swing.JButton();
        errorMsgLbl = new javax.swing.JLabel();
        jSeparator1 = new javax.swing.JSeparator();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowOpened(java.awt.event.WindowEvent evt) {
                formWindowOpened(evt);
            }
        });

        jLabel1.setText("                Effective Electronic Vote");

        jLabel2.setText("UserName:");

        jLabel3.setText("Password:");

        loginBtn.setText("Login");
        loginBtn.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                loginBtnActionPerformed(evt);
            }
        });

        errorMsgLbl.setForeground(new java.awt.Color(255, 0, 0));
        errorMsgLbl.setText("Invalid Username or password");

        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)
                    .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 263, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(layout.createSequentialGroup()
                            .addGap(153, 153, 153)
                            .addComponent(loginBtn, javax.swing.GroupLayout.PREFERRED_SIZE, 138, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGroup(layout.createSequentialGroup()
                            .addGap(107, 107, 107)
                            .addComponent(errorMsgLbl, javax.swing.GroupLayout.PREFERRED_SIZE, 308, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addGroup(layout.createSequentialGroup()
                                .addContainerGap()
                                .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 75, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(18, 18, 18)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                    .addComponent(jSeparator1)
                                    .addComponent(pwdTxt, javax.swing.GroupLayout.DEFAULT_SIZE, 228, Short.MAX_VALUE)))
                            .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
                                .addGap(84, 84, 84)
                                .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 75, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(18, 18, 18)
                                .addComponent(unameTxt, javax.swing.GroupLayout.PREFERRED_SIZE, 228, javax.swing.GroupLayout.PREFERRED_SIZE)))))
                .addContainerGap(206, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(23, 23, 23)
                .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 55, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(32, 32, 32)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 24, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(unameTxt, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(jSeparator1, javax.swing.GroupLayout.PREFERRED_SIZE, 17, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(1, 1, 1)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 23, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(pwdTxt, javax.swing.GroupLayout.PREFERRED_SIZE, 23, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(45, 45, 45)
                .addComponent(loginBtn, javax.swing.GroupLayout.PREFERRED_SIZE, 43, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(28, 28, 28)
                .addComponent(errorMsgLbl, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(134, Short.MAX_VALUE))
        );

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

    private void loginBtnActionPerformed(java.awt.event.ActionEvent evt) {                                         
        Controller controller = new Controller();
        Object[] parameters = new Object[2]; //Generic Parameters to catch the username and password from the Text box and Password feild
        Object returnobj = null;
        parameters[0] = unameTxt.getText();
        parameters[1] = pwdTxt.getPassword(); 
       returnobj = controller.processRequest(Constants.LoginAction , parameters);
       if(returnobj== null)
       {
           errorMsgLbl.setVisible(true);
           //show the error Message here because the returnobj is null
       }
       else //Verfication Done
       {
           //Create new form hide this form and show the new form

       }
    }                                        

    private void formWindowOpened(java.awt.event.WindowEvent evt) {                                  
        errorMsgLbl.setVisible(false);
    }                                 

    /**
     * @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(LoginForm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(LoginForm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(LoginForm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(LoginForm.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 LoginForm().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify                     
    private javax.swing.JLabel errorMsgLbl;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JSeparator jSeparator1;
    private javax.swing.JButton loginBtn;
    private javax.swing.JPasswordField pwdTxt;
    private javax.swing.JTextField unameTxt;
    // End of variables declaration                   
}
/*
*要更改此许可证标题,请在“项目属性”中选择“许可证标题”。
*要更改此模板文件,请选择工具|模板
*然后在编辑器中打开模板。
*/
包com.innovatorasolutions.eev.ui;
导入com.innovatraasolutions.eev.controller.controller;
导入com.innovatraasolutions.eev.constants.constants;
/**
*
*@作者蜘蛛侠
*/
**公共类LoginForm扩展了javax.swing.JFrame/**出现错误****{
/**
*创建新表单LoginForm
*/
公共登录表单(){
初始化组件();
}
/**
*从构造函数中调用此方法来初始化表单。
*警告:不要修改此代码。此方法的内容始终为
*由表单编辑器重新生成。
*/
@抑制警告(“未选中”)
//                           
私有组件(){
jLabel1=newjavax.swing.JLabel();
jLabel2=newjavax.swing.JLabel();
unameTxt=newjavax.swing.JTextField();
jLabel3=newjavax.swing.JLabel();
pwdTxt=newjavax.swing.JPasswordField();
loginBtn=newjavax.swing.JButton();
errorMsgLbl=newjavax.swing.JLabel();
jSeparator1=newjavax.swing.jsepator();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
addWindowListener(新java.awt.event.WindowAdapter(){
已打开公共无效窗口(java.awt.event.WindowEvent evt){
窗体窗口打开(evt);
}
});
jLabel1.setText(“有效电子投票”);
jLabel2.setText(“用户名:”);
jLabel3.setText(“密码:”);
loginBtn.setText(“登录”);
loginBtn.addActionListener(新的java.awt.event.ActionListener(){
public void actionPerformed(java.awt.event.ActionEvent evt){
执行登录操作(evt);
}
});
errorMsgLbl.set前台(新java.awt.Color(255,0,0));
errorMsgLbl.setText(“无效的用户名或密码”);
javax.swing.GroupLayout=newjavax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(布局);
layout.setHorizontalGroup(
createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.training)
.addComponent(jLabel1,javax.swing.GroupLayout.PREFERRED\u SIZE,263,javax.swing.GroupLayout.PREFERRED\u SIZE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(153153153)
.addComponent(loginBtn,javax.swing.GroupLayout.PREFERRED_SIZE,138,javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addGap(107、107、107)
.addComponent(errorMsgLbl,javax.swing.GroupLayout.PREFERRED\u SIZE,308,javax.swing.GroupLayout.PREFERRED\u SIZE))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.training)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel3,javax.swing.GroupLayout.PREFERRED\u SIZE,75,javax.swing.GroupLayout.PREFERRED\u SIZE)
.addGap(18,18,18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING,false)
.addComponent(jSeparator1)
.addComponent(pwdTxt,javax.swing.GroupLayout.DEFAULT_SIZE,228,Short.MAX_VALUE)))
.addGroup(javax.swing.GroupLayout.Alignment.LEADING,layout.createSequentialGroup()
.addGap(84,84,84)
.addComponent(jLabel2,javax.swing.GroupLayout.PREFERRED\u SIZE,75,javax.swing.GroupLayout.PREFERRED\u SIZE)
.addGap(18,18,18)
.addComponent(unameTxt,javax.swing.GroupLayout.PREFERRED_SIZE,228,javax.swing.GroupLayout.PREFERRED_SIZEщщ)
.addContainerGap(206,简称最大值))
);
layout.setVerticalGroup(
createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(23,23,23)
.addComponent(jLabel1,javax.swing.GroupLayout.PREFERRED_SIZE,55,javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(32,32,32)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2,javax.swing.GroupLayout.PREFERRED\u SIZE,24,javax.swing.GroupLayout.PREFERRED\u SIZE)
.addComponent(unameTxt,javax.swing.GroupLayout.PREFERRED\u SIZE,javax.swing.GroupLayout.DEFAULT\u SIZE,javax.swing.GroupLayout.PREFERRED\u SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jSeparator1,javax.swing.GroupLayout.PREFERRED\u SIZE,17,javax.swing.GroupLayout.PREFERRED\u SIZE)
.addGap(1,1,1)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLa