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Dec 4th, 2016
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  1. package me.MySQL;
  2.  
  3. import java.sql.Connection;
  4. import java.sql.DriverManager;
  5. import java.sql.PreparedStatement;
  6. import java.sql.ResultSet;
  7. import java.sql.SQLException;
  8. import org.bukkit.entity.Player;
  9.  
  10. public class MySQL {
  11.  
  12. String host = "localhost";
  13. String database = "minecraft";
  14. String user = "root";
  15. String pass = "";
  16. String port = "3306";
  17.  
  18. private static Connection connection;
  19.  
  20.  
  21.  
  22. public synchronized void openConnection() {
  23. try {
  24. connection = DriverManager.getConnection("jdbc:mysql://" +host + ":3306/" + database, user, pass);
  25. System.out.println("ยง2Successfully connected to MySQL Database!");
  26. } catch (SQLException e) {
  27. e.printStackTrace();
  28. }
  29. }
  30.  
  31.  
  32.  
  33. public static void closeConnection(){
  34. try{
  35. connection.close();
  36. }catch (SQLException e){
  37. e.printStackTrace();
  38. }
  39. }
  40.  
  41.  
  42.  
  43. public static void createTables(){
  44. try {
  45. String query = "CREATE TABLE IF NOT EXISTS `nombre` (`uuid` varchar(36) UNIQUE, `coins` int(999999));";
  46. PreparedStatement p = connection.prepareStatement(query);
  47. p.execute();
  48. p.close();
  49. } catch (SQLException e) {
  50. e.printStackTrace();
  51. }
  52. }
  53.  
  54.  
  55.  
  56. public static void createPlayer(Player player){
  57. try {
  58. String query = "INSERT IGNORE INTO pets (uuid,coins) VALUES(?, ?);";
  59. PreparedStatement p = connection.prepareStatement(query);
  60. p.setString(1, player.getUniqueId().toString());
  61. p.setInt(2, 0);
  62. p.execute();
  63. p.close();
  64. } catch (SQLException e) {
  65. e.printStackTrace();
  66. }
  67. }
  68.  
  69.  
  70.  
  71. @SuppressWarnings("finally")
  72. public static Integer getCoins(Player p){
  73. Integer temp = 0;
  74. String query = "SELECT * FROM nombre WHERE `uuid` = '" + p.getUniqueId() + "'";
  75. try {
  76. ResultSet res = connection.prepareStatement(query).executeQuery();
  77. while (res.next()) {
  78. temp = res.getInt("coins");
  79. }
  80. res.close();
  81. } catch (SQLException e) {
  82. e.printStackTrace();
  83. } finally {
  84. return temp;
  85. }
  86. }
  87.  
  88.  
  89.  
  90. public static void setCoins(Player player, int coins){
  91. try {
  92. String query = "UPDATE nombre SET coins=? WHERE uuid=?;";
  93. PreparedStatement p = connection.prepareStatement(query);
  94. p.setInt(1, coins);
  95. p.setString(2, player.getUniqueId().toString());
  96. p.execute();
  97. p.close();
  98. } catch (SQLException e) {
  99. e.printStackTrace();
  100. }
  101. }
  102.  
  103.  
  104.  
  105. public static void removeCoins(Player player, int removedcoins) {
  106. setCoins(getCoins(player) - removedcoins); // ESTO DA ERROR, ESTA LINEA
  107. }
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