Error para insertar datos desde java netbeans a mysql.
Publicado por Jessica Sarahi (1 intervención) el 05/09/2020 01:59:33
java.sql.SQLException: Parameter index out of range (1 > number of parameters, which is 0).
Soy aun principiante en programación; sin embargo estoy desarrollando un programa de inventario, quiero añadir productos de tlapaleria desde netbeans mediante textfield a mi base de datos de mysql usando xampp. Pero al intentar insertar alguno me sale el error. java.sql.SQLException: Parameter index out of range (1 > number of parameters, which is 0). Como nota, mis tipos de datos son string, son 5 atributos, anteriormente tenia a codigo y precio como entero y float, pero me salia el mismo error, talvez por que necesitaba convertir. No soy muy buena aun programando :3
A continuacion mi codigo de mi clase inventario
La conexion con mi base de datos si resulta pero no me deja insertar datos.
Al quitarle las comillas en la sentencia sql me inserta solo una fila pero en mysql no me aparece nada, solo me aparece la fila vacia. Si despues quiero insertar otra fila me sale un error de violación de llave primaria.
Si alguien pudiera decirme en donde estoy mal, se lo agradecere :3
Soy aun principiante en programación; sin embargo estoy desarrollando un programa de inventario, quiero añadir productos de tlapaleria desde netbeans mediante textfield a mi base de datos de mysql usando xampp. Pero al intentar insertar alguno me sale el error. java.sql.SQLException: Parameter index out of range (1 > number of parameters, which is 0). Como nota, mis tipos de datos son string, son 5 atributos, anteriormente tenia a codigo y precio como entero y float, pero me salia el mismo error, talvez por que necesitaba convertir. No soy muy buena aun programando :3
A continuacion mi codigo de mi clase inventario
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package tlapalero;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JOptionPane;
import javax.swing.table.DefaultTableModel;
public class Inventario extends javax.swing.JFrame {
Conexion con=new Conexion();
Connection cn=con.conexion();
public Inventario() {
initComponents();
limpiar();
bloquear();
}void limpiar(){
txtcodigo.setText("");
txtproducto.setText("");
txtmarca.setText("");
txtdescripcion.setText("");
txtprecio.setText("");
}void bloquear(){
txtcodigo.setEnabled(false);
txtproducto.setEnabled(false);
txtmarca.setEnabled(false);
txtdescripcion.setEnabled(false);
txtprecio.setEnabled(false);
buttonnuevo.setEnabled(true);
buttonguardar.setEnabled(false);
buttoncancelar.setEnabled(false);
}void desbloquear(){
txtcodigo.setEnabled(true);
txtproducto.setEnabled(true);
txtmarca.setEnabled(true);
txtdescripcion.setEnabled(true);
txtprecio.setEnabled(true);
buttonnuevo.setEnabled(false);
buttonguardar.setEnabled(true);
buttoncancelar.setEnabled(true);
}@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">private void initComponents() {
jScrollPane1 = new javax.swing.JScrollPane();
jTable1 = new javax.swing.JTable();
jPanel1 = new javax.swing.JPanel();
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();
jLabel6 = new javax.swing.JLabel();
txtcodigo = new javax.swing.JTextField();
txtproducto = new javax.swing.JTextField();
txtmarca = new javax.swing.JTextField();
txtdescripcion = new javax.swing.JTextField();
txtprecio = new javax.swing.JTextField();
buttonguardar = new javax.swing.JButton();
buttonnuevo = new javax.swing.JButton();
buttoncancelar = new javax.swing.JButton();
buttonsalir = new javax.swing.JButton();
jScrollPane2 = new javax.swing.JScrollPane();
t_productos = new javax.swing.JTable();
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);
jPanel1.setBackground(new java.awt.Color(153, 255, 255));
jLabel1.setFont(new java.awt.Font("Dialog", 0, 18)); // NOI18N
jLabel1.setForeground(new java.awt.Color(0, 0, 0));
jLabel1.setText("AÑADIR PRODUCTOS");
jLabel2.setForeground(new java.awt.Color(0, 0, 0));
jLabel2.setText("Código ");
jLabel3.setForeground(new java.awt.Color(0, 0, 0));
jLabel3.setText("Producto");
jLabel4.setForeground(new java.awt.Color(0, 0, 0));
jLabel4.setText("Descripción");
jLabel5.setForeground(new java.awt.Color(0, 0, 0));
jLabel5.setText("Precio");
jLabel6.setForeground(new java.awt.Color(0, 0, 0));
jLabel6.setText("Marca");
txtcodigo.setBackground(new java.awt.Color(255, 255, 255));
txtcodigo.setForeground(new java.awt.Color(0, 0, 0));
txtcodigo.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtcodigoActionPerformed(evt);
}});
txtproducto.setBackground(new java.awt.Color(255, 255, 255));
txtproducto.setForeground(new java.awt.Color(0, 0, 0));
txtproducto.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtproductoActionPerformed(evt);
}});
txtmarca.setBackground(new java.awt.Color(255, 255, 255));
txtmarca.setForeground(new java.awt.Color(0, 0, 0));
txtmarca.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtmarcaActionPerformed(evt);
}});
txtdescripcion.setBackground(new java.awt.Color(255, 255, 255));
txtdescripcion.setForeground(new java.awt.Color(0, 0, 0));
txtdescripcion.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtdescripcionActionPerformed(evt);
}});
txtprecio.setBackground(new java.awt.Color(255, 255, 255));
txtprecio.setForeground(new java.awt.Color(0, 0, 0));
txtprecio.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtprecioActionPerformed(evt);
}});
buttonguardar.setBackground(new java.awt.Color(255, 255, 255));
buttonguardar.setForeground(new java.awt.Color(0, 0, 0));
buttonguardar.setText("Guardar");
buttonguardar.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
buttonguardarActionPerformed(evt);
}});
buttonnuevo.setBackground(new java.awt.Color(255, 255, 255));
buttonnuevo.setForeground(new java.awt.Color(0, 0, 0));
buttonnuevo.setText("Nuevo");
buttonnuevo.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
buttonnuevoActionPerformed(evt);
}});
buttoncancelar.setBackground(new java.awt.Color(255, 255, 255));
buttoncancelar.setForeground(new java.awt.Color(0, 0, 0));
buttoncancelar.setText("Cancelar");
buttoncancelar.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
buttoncancelarActionPerformed(evt);
}});
buttonsalir.setBackground(new java.awt.Color(255, 255, 255));
buttonsalir.setForeground(new java.awt.Color(0, 0, 0));
buttonsalir.setText("Salir");
buttonsalir.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
buttonsalirActionPerformed(evt);
}});
t_productos.setModel(new javax.swing.table.DefaultTableModel(
new Object [][] {
{},
{},
{},
{}
},
new String [] {
}));
jScrollPane2.setViewportView(t_productos);
javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(37, 37, 37)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel4)
.addComponent(jLabel5))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(txtdescripcion)
.addComponent(txtprecio, javax.swing.GroupLayout.DEFAULT_SIZE, 154, Short.MAX_VALUE)))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel2)
.addComponent(jLabel3)
.addComponent(jLabel6))
.addGap(31, 31, 31)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(txtcodigo, javax.swing.GroupLayout.DEFAULT_SIZE, 155, Short.MAX_VALUE)
.addComponent(txtproducto)
.addComponent(txtmarca))))
.addGap(311, 311, 311)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(buttoncancelar)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(12, 12, 12)
.addComponent(buttonsalir))
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(buttonnuevo)
.addComponent(buttonguardar))))
.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 209, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(162, 162, 162)
.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 431, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 34, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(buttonnuevo))
.addGap(18, 18, 18)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(txtcodigo, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(buttonguardar))
.addGap(18, 18, 18)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel3)
.addComponent(txtproducto, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(buttoncancelar))
.addGap(18, 18, 18)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel6)
.addComponent(txtmarca, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(buttonsalir))
.addGap(6, 6, 6)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel4)
.addComponent(txtdescripcion, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel5)
.addComponent(txtprecio, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(104, 104, 104)
.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 97, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(238, Short.MAX_VALUE))
);javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
);layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
);pack();
}// </editor-fold>
private void txtcodigoActionPerformed(java.awt.event.ActionEvent evt) {
txtcodigo.transferFocus();
}private void buttonguardarActionPerformed(java.awt.event.ActionEvent evt) {
limpiar();
desbloquear();
try {PreparedStatement pps= cn.prepareStatement("INSERT INTO PRODUCTOS(CODIGO,PRODUCTO,MARCA,DESCRIPCION,PRECIO) VALUES('?','?','?','?','?')");
pps.setString(1,txtcodigo.getText());
pps.setString(2,txtproducto.getText());
pps.setString(3,txtmarca.getText());
pps.setString(4,txtdescripcion.getText());
pps.setString(5,txtprecio.getText());
int n=pps.executeUpdate();
if(n>0){
JOptionPane.showMessageDialog(null,"Datos Guardados");
bloquear();
}} catch (SQLException ex) {
JOptionPane.showMessageDialog(null, ex);
Logger.getLogger(Inventario.class.getName()).log(Level.SEVERE, null, ex);
} }private void txtmarcaActionPerformed(java.awt.event.ActionEvent evt) {
txtmarca.transferFocus();
}private void txtproductoActionPerformed(java.awt.event.ActionEvent evt) {
txtproducto.transferFocus();
}private void txtdescripcionActionPerformed(java.awt.event.ActionEvent evt) {
txtdescripcion.transferFocus();
}private void txtprecioActionPerformed(java.awt.event.ActionEvent evt) {
txtprecio.transferFocus();
}private void buttonnuevoActionPerformed(java.awt.event.ActionEvent evt) {
limpiar();
desbloquear();
txtcodigo.requestFocus();
}private void buttoncancelarActionPerformed(java.awt.event.ActionEvent evt) {
bloquear();
}private void buttonsalirActionPerformed(java.awt.event.ActionEvent evt) {
this.dispose();
}public static void main(String args[]) {
//<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(Inventario.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(Inventario.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(Inventario.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(Inventario.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 Inventario().setVisible(true);
}});
} // Variables declaration - do not modifyprivate javax.swing.JButton buttoncancelar;
private javax.swing.JButton buttonguardar;
private javax.swing.JButton buttonnuevo;
private javax.swing.JButton buttonsalir;
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.JLabel jLabel6;
private javax.swing.JPanel jPanel1;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JScrollPane jScrollPane2;
private javax.swing.JTable jTable1;
private javax.swing.JTable t_productos;
private javax.swing.JTextField txtcodigo;
private javax.swing.JTextField txtdescripcion;
private javax.swing.JTextField txtmarca;
private javax.swing.JTextField txtprecio;
private javax.swing.JTextField txtproducto;
// End of variables declaration}Codigo de mi conexión:package tlapalero;
import java.awt.HeadlessException;
import java.sql.*;
import javax.swing.JOptionPane;
public class Conexion {Connection cn;
Statement st;
private static final String user ="root";
private static final String password ="";
private static final String url = "jdbc:mysql://localhost:3306/tlapaleria";
public Connection conexion() {
try {Class.forName("com.mysql.jdbc.Driver");
cn = DriverManager.getConnection(url, user, password);
JOptionPane.showMessageDialog(null,"Conexión establecida");
} catch(HeadlessException | ClassNotFoundException | SQLException e){
System.out.println("error al conectar"+ e);
}return cn;
}Statement createStatement(){
throw new UnsupportedOperationException("No soportado");
}}La conexion con mi base de datos si resulta pero no me deja insertar datos.
Al quitarle las comillas en la sentencia sql me inserta solo una fila pero en mysql no me aparece nada, solo me aparece la fila vacia. Si despues quiero insertar otra fila me sale un error de violación de llave primaria.
Si alguien pudiera decirme en donde estoy mal, se lo agradecere :3
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