Panduan Pemilihan Kaedah Sambungan Pangkalan Data Oracle

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class OracleConnectionExample {
    public static void main(String[] args) {
        String url = "jdbc:oracle:thin:@localhost:1521:ORCL";
        String user = "username";
        String password = "password";

        try {
            Class.forName("oracle.jdbc.driver.OracleDriver");
            Connection connection = DriverManager.getConnection(url, user, password);
            System.out.println("连接成功！");
            // 进行数据库操作
            connection.close();
        } catch (ClassNotFoundException | SQLException e) {
            e.printStackTrace();
        }
    }
}

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class OCIConnectionExample {
    public static void main(String[] args) {
        String url = "jdbc:oracle:oci:@localhost:1521:ORCL";
        String user = "username";
        String password = "password";

        try {
            Class.forName("oracle.jdbc.driver.OracleDriver");
            Connection connection = DriverManager.getConnection(url, user, password);
            System.out.println("连接成功！");
            // 进行数据库操作
            connection.close();
        } catch (ClassNotFoundException | SQLException e) {
            e.printStackTrace();
        }
    }
}

import javax.sql.DataSource;
import oracle.jdbc.pool.OracleDataSource;

public class DataSourceConnectionExample {
    public static void main(String[] args) {
        String url = "jdbc:oracle:thin:@localhost:1521:ORCL";
        String user = "username";
        String password = "password";

        try {
            OracleDataSource dataSource = new OracleDataSource();
            dataSource.setURL(url);
            dataSource.setUser(user);
            dataSource.setPassword(password);
            DataSource ds = dataSource;
            
            // 使用DataSource连接数据库
            // Connection connection = ds.getConnection();
            // 进行数据库操作
            // connection.close();
            
            System.out.println("连接成功！");
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}