import java.sql.Connection; import java.sql.ResultSet; import java.sql.Statement; import com.mchange.v2.c3p0.ComboPooledDataSource; public class C3P0Example { public static void main(String[] args) { ComboPooledDataSource dataSource = new ComboPooledDataSource(); try { dataSource.setDriverClass("com.mysql.jdbc.Driver"); dataSource.setJdbcUrl("jdbc:mysql://localhost:3306/mydb"); dataSource.setUser("username"); dataSource.setPassword("password"); Connection connection = dataSource.getConnection(); Statement statement = connection.createStatement(); ResultSet resultSet = statement.executeQuery("SELECT * FROM users"); while (resultSet.next()) { System.out.println(resultSet.getString("name")); } resultSet.close(); statement.close(); connection.close(); } catch (Exception e) { e.printStackTrace(); } finally { dataSource.close(); } } }


上一篇:
下一篇:
切换中文