jsp中删除mysql数据库数据

<%@ page language="java" import="java.sql.*" %>
<%
    Connection conn = null;
    Statement stmt = null;
    try {
        // 连接MySQL数据库
        String url = "jdbc:mysql://localhost:3306/mydatabase";
        String username = "root";
        String password = "mypassword";
        Class.forName("com.mysql.jdbc.Driver");
        conn = DriverManager.getConnection(url, username, password);

        // 构建SQL删除语句
        String sql = "DELETE FROM mytable WHERE id = 1"; // 删除id为1的行

        // 执行删除操作
        stmt = conn.createStatement();
        int rowsAffected = stmt.executeUpdate(sql);
        out.println("Deleted " + rowsAffected + " row(s).");
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        // 关闭数据库连接
        try {
            if (stmt != null) stmt.close();
            if (conn != null) conn.close();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
%>