用jsp添加数据到mysql数据库

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
<%@ page import="java.sql.*" %>

<%
    // 建立数据库连接
    String url = "jdbc:mysql://localhost:3306/mydatabase";
    String username = "root";
    String password = "password";
    Connection conn = null;
    PreparedStatement pstmt = null;

    try {
        Class.forName("com.mysql.jdbc.Driver");
        conn = DriverManager.getConnection(url, username, password);

        // 创建SQL INSERT语句
        String insertQuery = "INSERT INTO mytable (column1, column2) VALUES (?, ?)";

        // 创建PreparedStatement对象
        pstmt = conn.prepareStatement(insertQuery);

        // 设置参数值
        pstmt.setString(1, "value1");
        pstmt.setString(2, "value2");

        // 执行SQL语句
        pstmt.executeUpdate();

        out.println("数据添加成功！");
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        // 关闭PreparedStatement和数据库连接
        try {
            if (pstmt != null) {
                pstmt.close();
            }
            if (conn != null) {
                conn.close();
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
%>