网页怎样连接mysql数据库

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

public class DatabaseConnection {
    public static void main(String[] args) {
        // MySQL数据库连接信息
        String url = "jdbc:mysql://localhost:3306/mydatabase";
        String username = "myuser";
        String password = "mypassword";

        Connection conn = null;
        Statement stmt = null;
        ResultSet rs = null;

        try {
            // 加载数据库驱动
            Class.forName("com.mysql.jdbc.Driver");

            // 建立数据库连接
            conn = DriverManager.getConnection(url, username, password);

            // 创建Statement对象，用于执行SQL语句
            stmt = conn.createStatement();

            // 执行查询语句
            String sql = "SELECT * FROM users";
            rs = stmt.executeQuery(sql);

            // 处理查询结果
            while (rs.next()) {
                String name = rs.getString("name");
                int age = rs.getInt("age");
                System.out.println("Name: " + name + ", Age: " + age);
            }
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            // 关闭ResultSet
            if (rs != null) {
                try {
                    rs.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }

            // 关闭Statement
            if (stmt != null) {
                try {
                    stmt.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }

            // 关闭数据库连接
            if (conn != null) {
                try {
                    conn.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}