jsp显示mysql数据库

<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>8.0.27</version>
</dependency>

<%
    String url = "jdbc:mysql://localhost:3306/mydatabase";
    String username = "root";
    String password = "password";
    
    Connection conn = null;
    try {
        Class.forName("com.mysql.jdbc.Driver");
        conn = DriverManager.getConnection(url, username, password);
    } catch (Exception e) {
        e.printStackTrace();
    }
%>

<%
    Statement stmt = null;
    ResultSet rs = null;
    
    try {
        stmt = conn.createStatement();
        String sql = "SELECT * FROM users";
        rs = stmt.executeQuery(sql);
        
        while (rs.next()) {
            String username = rs.getString("username");
            String email = rs.getString("email");
            
            out.println("Username: " + username + "<br>");
            out.println("Email: " + email + "<br><br>");
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            if (rs != null) rs.close();
            if (stmt != null) stmt.close();
            if (conn != null) conn.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
%>