jsp向mysql添加数据

<%@ page import="java.sql.*" %>
<%
    String url = "jdbc:mysql://localhost:3306/mydatabase";
    String username = "root";
    String password = "mypassword";

    try {
        // 1. 建立数据库连接
        Connection conn = DriverManager.getConnection(url, username, password);

        // 2. 创建SQL语句
        String sql = "INSERT INTO users (username, email) VALUES (?, ?)";
        PreparedStatement pstmt = conn.prepareStatement(sql);
        pstmt.setString(1, "JohnDoe");
        pstmt.setString(2, "john@example.com");

        // 3. 执行SQL语句
        int rowsInserted = pstmt.executeUpdate();
        if (rowsInserted > 0) {
            out.println("A new user was added successfully!");
        }

        // 关闭资源
        pstmt.close();
        conn.close();
    } catch (SQLException e) {
        out.println("Error: " + e.getMessage());
    }
%>