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- package javaapplication2;
- import java.sql.Connection;
- import java.sql.DriverManager;
- import java.sql.ResultSet;
- import java.sql.SQLException;
- import java.sql.Statement;
- /**
- *
- * @author Maister
- */
- public class RegistroBiblio {
- Connection cn;
- Statement st;
- ResultSet rs;
- String con, nombre="jose", dia="lunes 28";
- public void conectar(){
- try {
- Class.forName("com.mysql.jdbc.Driver");
- cn=DriverManager.getConnection("jdbc:mysql://localhost/biblioteca?user=root&password=");
- System.out.println("Conexion");
- } catch (Exception e) {
- System.out.println(e.toString());
- e.printStackTrace();
- }
- }
- public void cerrar() throws SQLException{
- cn.close();
- System.out.println("Cerrar");
- }
- public void insertar(String nombre, String dia){
- try {
- conectar();
- con="insert into tabla (nombre, dia) values ('"+nombre+"', '"+dia+"')";
- st.execute(con);
- System.out.println("Insertar good");
- } catch (SQLException e) {
- e.printStackTrace();
- }
- }
- public void insertar2(String nombre, String dia){
- try {
- conectar();
- con="insert into p (uno, dos) values ('"+nombre+"', '"+dia+"')";
- st.execute(con);
- System.out.println("Insertar good");
- } catch (SQLException e) {
- e.printStackTrace();
- }
- }
- public void select(String nombre){
- try {
- conectar();
- con="select * from tabla where nombre='"+nombre+"'";
- rs=st.executeQuery(con);
- while(rs.next()){
- nombre=rs.getString("nombre");
- dia=rs.getString("dia");
- System.out.println("Select");
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- public static void main(String[] args) {
- // TODO code application logic here
- RegistroBiblio a=new RegistroBiblio();
- a.insertar("Jose", "Jueves");
- }
- }
- st.execute(con); // st debe estar a null
- public static void main(String[] args) {
- // TODO code application logic here
- RegistroBiblio a=new RegistroBiblio();
- a.insertar("Jose", "Jueves");
- }
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