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- package com.conexion;
- import java.sql.*;
- /**
- * Nombre de la clase: Conexion
- * Fecha: 8/8/0217
- * Copyright: ITCA-FEPADE
- * @author JARC
- */
- public class Conexion
- {
- private Connection con;
- public Connection getCon() {
- return con;
- }
- public void setCon(Connection con) {
- this.con = con;
- }
- public void conectar() throws Exception
- {
- try
- {
- Class.forName("com.mysql.jdbc.Driver");
- con=DriverManager.getConnection
- ("jdbc:mysql://localhost:3306/bdplanilla?user=root&password=");
- }
- catch (Exception e)
- {
- throw e;
- }
- }
- public void desconectar() throws Exception
- {
- try
- {
- if (con!=null)
- {
- if (con.isClosed()==false)
- {
- con.close();
- }
- }
- } catch (Exception e) {
- throw e;
- }
- }
- }
- -------------------------------------------------------------------------------------------------------------------------
- package com.dao;
- import com.conexion.Conexion;
- import com.modelo.Empleado;
- import java.util.*;
- import java.sql.*;
- /**
- *
- * @author Administrador
- */
- public class DaoEmpleado extends Conexion {
- //Uso de Sentencias Preparadas.
- //Insertando Empleados.
- public void insertarEmpleado(Empleado emp) throws Exception
- {
- try
- {
- this.conectar();
- String sql="insert into empleado(nombre, edad, sueldo) values(?,?,?)";
- PreparedStatement pre=this.getCon().prepareStatement(sql);
- pre.setString(1,emp.getNombre());
- pre.setInt(2,emp.getEdad());
- pre.setDouble(3,emp.getSueldo());
- pre.executeUpdate();
- }
- catch (Exception e)
- {
- throw e;
- }
- finally
- {
- this.desconectar();
- }
- }
- public List mostrarEmpleado() throws Exception
- {
- List listaempleados=new ArrayList();
- ResultSet res;
- try
- {
- this.conectar();
- String sql="select * from empleado";
- PreparedStatement pre=this.getCon().prepareCall(sql);
- res=pre.executeQuery();
- while(res.next())
- {
- Empleado emp=new Empleado();
- emp.setCodigoEmpleado(res.getInt("codEmpleado"));
- emp.setNombre(res.getString("nombre"));
- emp.setEdad(res.getInt("edad"));
- emp.setSueldo(res.getDouble("sueldo"));
- listaempleados.add(emp);
- }
- }
- catch (Exception e)
- {
- throw e;
- }
- finally
- {
- this.desconectar();
- }
- return listaempleados;
- }
- public void modificarEmpleado(Empleado emp) throws Exception
- {
- try
- {
- this.conectar();
- String sql="update empleado set nombre=?, edad=?, sueldo=? where codEmpleado=?";
- PreparedStatement pre=this.getCon().prepareStatement(sql);
- pre.setString(1, emp.getNombre());
- pre.setInt(2, emp.getEdad());
- pre.setDouble(3, emp.getSueldo());
- pre.setInt(4, emp.getCodigoEmpleado());
- pre.executeUpdate();
- }
- catch (Exception e)
- {
- throw e;
- }
- finally
- {
- this.desconectar();
- }
- }
- public void eliminarEmpleado(Empleado emp) throws Exception
- {
- try
- {
- this.conectar();
- String sql="delete from empleado where codEmpleado=?";
- PreparedStatement pre=this.getCon().prepareStatement(sql);
- pre.setInt(1,emp.getCodigoEmpleado());
- pre.executeUpdate();
- } catch (Exception e)
- {
- throw e;
- }
- finally
- {
- this.desconectar();
- }
- }
- }
- ----------------------------------------------------------------------------------------------------------------------------------
- package com.vista;
- import com.dao.DaoEmpleado;
- import com.modelo.Empleado;
- import java.text.DecimalFormat;
- import java.util.List;
- import javax.swing.JOptionPane;
- import javax.swing.table.DefaultTableModel;
- /**
- * Nombre de la clase: Conexion
- * Fecha: 8/8/0217
- * Copyright: ITCA-FEPADE
- * @author JARC
- */
- public class FrmEmpleado extends javax.swing.JFrame {
- /**
- * Creates new form FrmEmpleado
- */
- public FrmEmpleado() {
- initComponents();
- tablaE ();
- }
- Empleado em=new Empleado();
- DaoEmpleado daoe=new DaoEmpleado();
- public void tablaE()
- {
- String [] columnas={"Código empleado","Nombre","Edad","Sueldo"};
- Object [] obj=new Object[4];
- DefaultTableModel tabla=new DefaultTableModel(null, columnas);
- List ls;
- DecimalFormat df=new DecimalFormat("#,###.00");
- try
- {
- ls = daoe.mostrarEmpleado();
- for (int i=0;i<ls.size();i++)
- {
- em=(Empleado)ls.get(i);
- obj[0]=em.getCodigoEmpleado();
- obj[1]=em.getNombre();
- obj[2]=em.getEdad();
- obj[3]=df.format(em.getSueldo());
- tabla.addRow(obj);
- }
- ls=daoe.mostrarEmpleado();
- this.tbEmpleado.setModel(tabla);
- } catch (Exception e)
- {
- JOptionPane.showMessageDialog(this, "Error al mostrar datos"+e.toString());
- }
- }
- public void insertar() throws Exception
- {
- em.setCodigoEmpleado(ICONIFIED);
- em.setNombre(this.txtNombre.getText());
- em.setEdad(Integer.parseInt(this.txtEdad.getText()));
- em.setSueldo(Double.parseDouble(this.txtSueldo.getText()));
- daoe.insertarEmpleado(em);
- JOptionPane.showMessageDialog(null, "Datos insertados correctamente");
- daoe.mostrarEmpleado();
- }
- public void limpiar()
- {
- this.txtCodigo.setText("");
- this.txtNombre.setText("");
- this.txtEdad.setText("");
- this.txtSueldo.setText("");
- }
- public void modificar()
- {
- try
- {
- em.setCodigoEmpleado(Integer.parseInt(this.txtCodigo.getText()));
- em.setNombre(this.txtNombre.getText());
- em.setEdad(Integer.parseInt(this.txtEdad.getText()));
- em.setSueldo(Double.parseDouble(this.txtSueldo.getText()));
- int SiONo=JOptionPane.showConfirmDialog(this, "desea modificar el empleado",
- "modificar empleado", JOptionPane.YES_NO_OPTION);
- if (SiONo==0)
- {
- daoe.modificarEmpleado(em);
- JOptionPane.showMessageDialog(rootPane,"empleado modificado con exito", "CONFIRMACION",
- JOptionPane.INFORMATION_MESSAGE);
- tablaE();
- limpiar();
- }
- else
- {
- limpiar();
- }
- } catch (Exception ex){
- ex.printStackTrace();
- }
- }
- public void eliminar()
- {
- try
- {
- em.setCodigoEmpleado(Integer.parseInt(this.txtCodigo.getText()));
- int SiONo=JOptionPane.showConfirmDialog(this,"desea eliminar al empleado",
- "Eliminar empleado", JOptionPane.YES_NO_OPTION);
- if(SiONo==0)
- {
- daoe.eliminarEmpleado(em);
- JOptionPane.showMessageDialog(rootPane, "eliminado con exito", "confirmacion",
- JOptionPane.INFORMATION_MESSAGE);
- tablaE();
- limpiar();
- }
- else
- {
- limpiar();
- }
- } catch (Exception e){
- JOptionPane.showMessageDialog(rootPane, e.toString(), "error",
- JOptionPane.ERROR_MESSAGE);
- }
- }
- @SuppressWarnings("unchecked")
- // <editor-fold defaultstate="collapsed" desc="Generated Code">
- private void initComponents() {
- jScrollPane1 = new javax.swing.JScrollPane();
- jTable1 = new javax.swing.JTable();
- jLabel1 = new javax.swing.JLabel();
- jLabel2 = new javax.swing.JLabel();
- jLabel3 = new javax.swing.JLabel();
- jLabel4 = new javax.swing.JLabel();
- jLabel5 = new javax.swing.JLabel();
- jScrollPane2 = new javax.swing.JScrollPane();
- tbEmpleado = new javax.swing.JTable();
- btnInsertar = new javax.swing.JButton();
- btnModificar = new javax.swing.JButton();
- btnEliminar = new javax.swing.JButton();
- btnLimpiar = new javax.swing.JButton();
- txtCodigo = new javax.swing.JTextField();
- txtNombre = new javax.swing.JTextField();
- txtEdad = new javax.swing.JTextField();
- txtSueldo = new javax.swing.JTextField();
- jTable1.setModel(new javax.swing.table.DefaultTableModel(
- new Object [][] {
- {null, null, null, null},
- {null, null, null, null},
- {null, null, null, null},
- {null, null, null, null}
- },
- new String [] {
- "Title 1", "Title 2", "Title 3", "Title 4"
- }
- ));
- jScrollPane1.setViewportView(jTable1);
- setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
- jLabel1.setText("DATOS EMPLEADO:");
- jLabel2.setText("Código");
- jLabel3.setText("Nombre");
- jLabel4.setText("Edad");
- jLabel5.setText("Sueldo");
- tbEmpleado.setModel(new javax.swing.table.DefaultTableModel(
- new Object [][] {
- {null, null, null, null},
- {null, null, null, null},
- {null, null, null, null},
- {null, null, null, null}
- },
- new String [] {
- "Codigo", "Nombre", "Edad", "Sueldo"
- }
- ));
- tbEmpleado.addMouseListener(new java.awt.event.MouseAdapter() {
- public void mouseClicked(java.awt.event.MouseEvent evt) {
- tbEmpleadoMouseClicked(evt);
- }
- });
- jScrollPane2.setViewportView(tbEmpleado);
- btnInsertar.setText("Insertar");
- btnInsertar.addMouseListener(new java.awt.event.MouseAdapter() {
- public void mouseClicked(java.awt.event.MouseEvent evt) {
- btnInsertarMouseClicked(evt);
- }
- });
- btnModificar.setText("Modificar");
- btnModificar.addMouseListener(new java.awt.event.MouseAdapter() {
- public void mouseClicked(java.awt.event.MouseEvent evt) {
- btnModificarMouseClicked(evt);
- }
- });
- btnEliminar.setText("Eliminar");
- btnEliminar.addMouseListener(new java.awt.event.MouseAdapter() {
- public void mouseClicked(java.awt.event.MouseEvent evt) {
- btnEliminarMouseClicked(evt);
- }
- });
- btnLimpiar.setText("Limpiar");
- btnLimpiar.addMouseListener(new java.awt.event.MouseAdapter() {
- public void mouseClicked(java.awt.event.MouseEvent evt) {
- btnLimpiarMouseClicked(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(39, 39, 39)
- .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
- .addComponent(jLabel3)
- .addComponent(jLabel4, javax.swing.GroupLayout.Alignment.LEADING)
- .addComponent(jLabel2, javax.swing.GroupLayout.Alignment.LEADING)
- .addComponent(jLabel5, javax.swing.GroupLayout.Alignment.LEADING))
- .addGap(77, 77, 77)
- .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
- .addComponent(txtCodigo, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
- .addComponent(txtNombre, javax.swing.GroupLayout.PREFERRED_SIZE, 131, javax.swing.GroupLayout.PREFERRED_SIZE)
- .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
- .addComponent(txtSueldo, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 60, Short.MAX_VALUE)
- .addComponent(txtEdad, javax.swing.GroupLayout.Alignment.LEADING)))
- .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
- .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
- .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
- .addGroup(layout.createSequentialGroup()
- .addGap(0, 0, Short.MAX_VALUE)
- .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 375, javax.swing.GroupLayout.PREFERRED_SIZE))
- .addGroup(layout.createSequentialGroup()
- .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
- .addGroup(layout.createSequentialGroup()
- .addContainerGap()
- .addComponent(btnInsertar)
- .addGap(28, 28, 28)
- .addComponent(btnModificar))
- .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
- .addGap(150, 150, 150)
- .addComponent(jLabel1)))
- .addGap(18, 18, 18)
- .addComponent(btnEliminar)
- .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
- .addComponent(btnLimpiar)))
- .addGap(24, 24, 24))
- );
- layout.setVerticalGroup(
- layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
- .addGroup(layout.createSequentialGroup()
- .addGap(27, 27, 27)
- .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
- .addGroup(layout.createSequentialGroup()
- .addComponent(jLabel1)
- .addGap(51, 51, 51))
- .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
- .addComponent(txtCodigo, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
- .addComponent(jLabel2)))
- .addGap(25, 25, 25)
- .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
- .addComponent(jLabel3)
- .addComponent(txtNombre, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
- .addGap(23, 23, 23)
- .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
- .addComponent(jLabel4)
- .addComponent(txtEdad, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
- .addGap(22, 22, 22)
- .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
- .addComponent(jLabel5)
- .addComponent(txtSueldo, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
- .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
- .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
- .addComponent(btnInsertar)
- .addComponent(btnModificar)
- .addComponent(btnEliminar)
- .addComponent(btnLimpiar))
- .addGap(18, 18, 18)
- .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 83, javax.swing.GroupLayout.PREFERRED_SIZE)
- .addContainerGap(18, Short.MAX_VALUE))
- );
- pack();
- }// </editor-fold>
- private void tbEmpleadoMouseClicked(java.awt.event.MouseEvent evt) {
- llenarTabla();
- }
- private void btnInsertarMouseClicked(java.awt.event.MouseEvent evt) {
- try {
- insertar();
- } catch (Exception ex){
- ex.printStackTrace();
- }
- tablaE();
- }
- private void btnModificarMouseClicked(java.awt.event.MouseEvent evt) {
- modificar();
- }
- private void btnEliminarMouseClicked(java.awt.event.MouseEvent evt) {
- eliminar();
- }
- private void btnLimpiarMouseClicked(java.awt.event.MouseEvent evt) {
- limpiar();
- }
- public void llenarTabla(){
- int fila =this.tbEmpleado.getSelectedRow();
- this.txtCodigo.setText(String.valueOf(this.tbEmpleado.getValueAt(fila, 0)));
- this.txtNombre.setText(String.valueOf(this.tbEmpleado.getValueAt(fila, 1)));
- this.txtEdad.setText(String.valueOf(this.tbEmpleado.getValueAt(fila, 2)));
- this.txtSueldo.setText(String.valueOf(this.tbEmpleado.getValueAt(fila, 3)));
- }
- /**
- * @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(FrmEmpleado.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
- } catch (InstantiationException ex) {
- java.util.logging.Logger.getLogger(FrmEmpleado.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
- } catch (IllegalAccessException ex) {
- java.util.logging.Logger.getLogger(FrmEmpleado.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
- } catch (javax.swing.UnsupportedLookAndFeelException ex) {
- java.util.logging.Logger.getLogger(FrmEmpleado.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 FrmEmpleado().setVisible(true);
- }
- });
- }
- // Variables declaration - do not modify
- private javax.swing.JButton btnEliminar;
- private javax.swing.JButton btnInsertar;
- private javax.swing.JButton btnLimpiar;
- private javax.swing.JButton btnModificar;
- private javax.swing.JLabel jLabel1;
- private javax.swing.JLabel jLabel2;
- private javax.swing.JLabel jLabel3;
- private javax.swing.JLabel jLabel4;
- private javax.swing.JLabel jLabel5;
- private javax.swing.JScrollPane jScrollPane1;
- private javax.swing.JScrollPane jScrollPane2;
- private javax.swing.JTable jTable1;
- private javax.swing.JTable tbEmpleado;
- private javax.swing.JTextField txtCodigo;
- private javax.swing.JTextField txtEdad;
- private javax.swing.JTextField txtNombre;
- private javax.swing.JTextField txtSueldo;
- // End of variables declaration
- }
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