Evo je klasa SQL koju sam prvobitno napravio prije nekoliko dana, u medjuvremenu je dopunjena sa novim upitima vezanim za druge tabele, te je tako i veca i ne tako bitna u ovom trenutku. Metod za moj "problem" sam poceo pisati odmah ispod metoda za povezivanje na bazu.
Jos jednom, hvala na pomoci.
Code:
/*
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* and open the template in the editor.
*/
package osiguranje;
import java.sql.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.table.DefaultTableModel;
import java.util.Iterator;
import java.util.ArrayList;
import java.util.List;
import javax.swing.JTable;
/**
*
* @author BOMBA-PC
*/
public class SQL {
private String url, username, password;
public Connection con=null;
public boolean Connect() {
boolean status = false;
try {
Class.forName("com.mysql.jdbc.Driver");
String serverName = "127.0.0.1";//
String mydatabase = "osiguranje";
url = "jdbc:mysql://" + serverName + ":3306/" + mydatabase;
username = "root";//
password = "0s1gur@nj3";//
con = DriverManager.getConnection(url, username, password);
if (!con.isClosed()) {
System.out.println("Uspesno ste konektovani na bazu podataka!");
status = true;
}
} catch (SQLException ex) {
Logger.getLogger(SQL.class.getName()).log(Level.SEVERE, null, ex);
} catch (ClassNotFoundException ex) {
Logger.getLogger(SQL.class.getName()).log(Level.SEVERE, null, ex);
}
return status;
}
//prikazivanje prvog slobodnog id-a
public void SledeciID(JTextField id) {
try {
String query = "SELECT IDKlijent+1 FROM klijenti order by IDKlijenti DESC limit 1";
Statement stmt = con.createStatement();
int r = stmt.executeUpdate(query);
} catch (SQLException e) {
}
}
//dodavanje u tabelu klijenti
public void Insert(JTextField i, JTextField p, JTextField a, JTextField t, JTextField jmbg, JTextField dr, JTextField lk) {
try {
String query = "INSERT into klijenti (Ime, Prezime, Adresa, Telefon, JMBG, Datum_rodjenja, LK)"
+ " values ('"+i.getText()+"','"+p.getText()+"','"+a.getText()+"','"+t.getText()+"','"+jmbg.getText()+"','"+dr.getText()+"','"+lk.getText()+"')";
Statement stmt = con.createStatement();
int r = stmt.executeQuery(query);
if(r==1){
System.out.println("Upisano u bazu!");
}else{
System.out.println("Javila se greska!!");
}
} catch (SQLException e) {
}
}
public void Insert2(JTextField u, JTextField od, JTextField d) {
try {
String query = "INSERT into usluge (Vrsta_usluge, Vazi_od, Vazi_do)"
+ " values ('"+u.getText()+"','"+od.getText()+"','"+d.getText()+"')";
Statement stmt = con.createStatement();
int r = stmt.executeUpdate(query);
if(r==1){
System.out.println("Upisano u bazu!");
}else{
System.out.println("Javila se greska!!");
}
} catch (SQLException e) {
}
}
//dodavanje u tabelu adresar
public void InsertAdresar(JTextField im, JTextField pr, JTextField ad, JTextField t1, JTextField t2, JTextField m, JTextField o) {
try {
String query = "INSERT into adresar (Ime, Prezime, Adresa, Telefon, Telefon2, Mail, Opis)"
+ " values ('"+im.getText()+"','"+pr.getText()+"','"+ad.getText()+"','"+t1.getText()+"','"+t2.getText()+"','"+m.getText()+"','"+o.getText()+"')";
Statement stmt = con.createStatement();
int r = stmt.executeUpdate(query);
if(r==1){
System.out.println("Upisano u bazu!");
}else{
System.out.println("Javila se greska!!");
}
} catch (SQLException e) {
}
}
//brisanje iz tebele adresar
public void DeleteAdresar(JTextField id) {
try {
String query = "Delete from adresar WHERE IDAdresar = '"+Integer.parseInt(id.getText()) +"'";
Statement stmt = con.createStatement();
int r = stmt.executeUpdate(query);
if(r==1){
System.out.println("Obrisano iz baze!!!");
}else{
System.out.println("Javila se greska!!!");
}
} catch (SQLException e) {
e.printStackTrace();
}
}
//prikazivanje podataka iz tebele klijenti
public void Selecttabela(JTable jtb) {
List <String []>ls= new ArrayList<String []>();
try {
String query = "SELECT * FROM klijenti";
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery(query);
String temp[];
String nazivkolona[]={"ID","Ime","Prezime","Adresa","Telefon","JMBG","Datum rođenja","LK"};
while (rs.next()) {
temp = new String[8];
temp[0] = rs.getInt("IDKlijenti")+"";
temp[1] = rs.getString("Ime");
temp[2] = rs.getString("Prezime");
temp[3] = rs.getString("Adresa");
temp[4] = rs.getString("Telefon");
temp[5] = rs.getString("JMBG");
temp[6] = rs.getString("Datum_rodjenja");
temp[7] = rs.getString("LK");
ls.add(temp);
}
} catch (SQLException e) {
}
String nazivkolona[]={"ID","Ime","Prezime","Adresa","Telefon","JMBG","Datum rođenja","LK"};
Object podaci[][] = new Object[ls.size()][8];
Iterator <String []>it= ls.iterator();
int br =0;
while(it.hasNext()){
podaci[br] = it.next();
br++;
}
DefaultTableModel DTM = new DefaultTableModel(podaci, nazivkolona);
jtb.setModel(DTM);
}
//prikazivanje podataka iz tabele adresar
public void SelectTabelaAdresar(JTable jtb) {
List <String []>ls= new ArrayList<String []>();
try {
String query = "SELECT * FROM adresar";
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery(query);
String temp[];
String nazivkolona[]={"ID","Ime","Prezime","Adresa","Telefon","Telefon2","E-mail","Opis"};
while (rs.next()) {
temp = new String[8];
temp[0] = rs.getInt("IDAdresar")+"";
temp[1] = rs.getString("Ime");
temp[2] = rs.getString("Prezime");
temp[3] = rs.getString("Adresa");
temp[4] = rs.getString("Telefon");
temp[5] = rs.getString("Telefon2");
temp[6] = rs.getString("Mail");
temp[7] = rs.getString("Opis");
ls.add(temp);
}
} catch (SQLException e) {
}
String nazivkolona[]={"ID","Ime","Prezime","Adresa","Telefon","Telefon 2","E-mail","Opis"};
Object podaci[][] = new Object[ls.size()][8];
Iterator <String []>it= ls.iterator();
int br =0;
while(it.hasNext()){
podaci[br] = it.next();
br++;
}
DefaultTableModel DTM = new DefaultTableModel(podaci, nazivkolona);
jtb.setModel(DTM);
}
public void Select(JComboBox jcb) {
try {
String query = "SELECT Ime, Prezime FROM klijenti";
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery(query);
while (rs.next()) {
jcb.addItem(rs.getString("Ime"));
jcb.addItem(rs.getString("Prezime"));
}
} catch (SQLException e) {
}
}
public void Delete(JTextField id) {
try {
String query = "Delete from klijenti WHERE IDKlijenti = '"+Integer.parseInt(id.getText()) +"'";
Statement stmt = con.createStatement();
int r = stmt.executeUpdate(query);
if(r==1){
System.out.println("Obrisano iz baze!!!");
}else{
System.out.println("Javila se greska!!!");
}
} catch (SQLException e) {
e.printStackTrace();
}
}
}
[Ovu poruku je menjao bombarule dana 14.05.2013. u 23:18 GMT+1]
[Ovu poruku je menjao bombarule dana 14.05.2013. u 23:19 GMT+1]
[Ovu poruku je menjao bombarule dana 14.05.2013. u 23:49 GMT+1]
Kako prikazati prvi slobodan ID iz MYSQL baze u JTextField-u
