JDBCステートメントの例 – レコードを挿入する
次に、JDBCステートメントを介してテーブルにレコードを挿入する方法を示す例を示します。 insert文を発行するには、次のように `Statement.executeUpdate()`メソッドを呼び出します。
Statement statement = dbConnection.createStatement();//execute the insert SQL stetement statement.executeUpdate(insertTableSQL);
完全な例…
package com.mkyong.jdbc; import java.sql.DriverManager; import java.sql.Connection; import java.sql.SQLException; import java.sql.Statement; import java.text.DateFormat; import java.text.SimpleDateFormat; public class JDBCStatementInsertExample { private static final String DB__DRIVER = "oracle.jdbc.driver.OracleDriver"; private static final String DB__CONNECTION = "jdbc:oracle:thin:@localhost:1521:MKYONG"; private static final String DB__USER = "user"; private static final String DB__PASSWORD = "password"; private static final DateFormat dateFormat = new SimpleDateFormat( "yyyy/MM/dd HH:mm:ss"); public static void main(String[]argv) { try { insertRecordIntoDbUserTable(); } catch (SQLException e) { System.out.println(e.getMessage()); } } private static void insertRecordIntoDbUserTable() throws SQLException { Connection dbConnection = null; Statement statement = null; String insertTableSQL = "INSERT INTO DBUSER" + "(USER__ID, USERNAME, CREATED__BY, CREATED__DATE) " + "VALUES" + "(1,'mkyong','system', " + "to__date('" + getCurrentTimeStamp() + "', 'yyyy/mm/dd hh24:mi:ss'))"; try { dbConnection = getDBConnection(); statement = dbConnection.createStatement(); System.out.println(insertTableSQL); //execute insert SQL stetement statement.executeUpdate(insertTableSQL); System.out.println("Record is inserted into DBUSER table!"); } catch (SQLException e) { System.out.println(e.getMessage()); } finally { if (statement != null) { statement.close(); } if (dbConnection != null) { dbConnection.close(); } } } private static Connection getDBConnection() { Connection dbConnection = null; try { Class.forName(DB__DRIVER); } catch (ClassNotFoundException e) { System.out.println(e.getMessage()); } try { dbConnection = DriverManager.getConnection( DB__CONNECTION, DB__USER,DB__PASSWORD); return dbConnection; } catch (SQLException e) { System.out.println(e.getMessage()); } return dbConnection; } private static String getCurrentTimeStamp() { java.util.Date today = new java.util.Date(); return dateFormat.format(today.getTime()); } }