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- import java.sql.*;
- public class msql {
- public static Connection con;
- private static String host = (String) "127.0.0.1";
- private static int port = 3306;
- private static String database = (String) "test";
- private static String username = (String) "root";
- private static String password = (String) "";
- public static boolean isConnected(){
- return con != null;
- }
- public static void connect(){
- if(!isConnected()){
- try {
- con = DriverManager.getConnection("jdbc:mysql://" + host + ":" + port + "/" + database + "?autoReconnect=true", username, password);
- System.out.println("§aEs konnte erfolgreich mit der Datenbank verbunden werden");
- } catch (SQLException e) {
- System.out.println("§cEs konnte nicht mit der Datenbank verbunden werden");
- e.printStackTrace();
- }
- }
- }
- public static void disconnect(){
- try {
- con.close();
- System.out.println("§aDie Verbindung zur Datenbank konnte erfolgreich geschlossen werden");
- } catch (SQLException e) {
- System.out.println("§cDie Verbindung zur Datenbank konnte nicht geschlossen werden");
- }
- }
- public static PreparedStatement getStatement(String sql){
- if(isConnected()){
- PreparedStatement ps;
- try {
- ps = con.prepareStatement(sql);
- return ps;
- } catch (SQLException e) {
- e.printStackTrace();
- }
- }
- return null;
- }
- public static ResultSet getResult(String sql){
- if(isConnected()){
- PreparedStatement ps;
- ResultSet rs;
- try {
- ps = getStatement(sql);
- rs = ps.executeQuery();
- return rs;
- } catch (SQLException e) {
- e.printStackTrace();
- }
- }
- return null;
- }
- }
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