jsp上传到mysql数据库

try {
    Class.forName("com.mysql.cj.jdbc.Driver");
    String url = "jdbc:mysql://localhost:3306/mydatabase";
    String user = "username";
    String password = "password";
    Connection conn = DriverManager.getConnection(url, user, password);
} catch (ClassNotFoundException | SQLException e) {
    e.printStackTrace();
}

String sql = "INSERT INTO users (name, email) VALUES (?, ?)";
try (PreparedStatement pstmt = conn.prepareStatement(sql)) {
    pstmt.setString(1, name);
    pstmt.setString(2, email);
    pstmt.executeUpdate();
} catch (SQLException e) {
    e.printStackTrace();
}

<servlet>
    <servlet-name>FileUploadServlet</servlet-name>
    <servlet-class>com.example.FileUploadServlet</servlet-class>
    <multipart-config>
        <max-file-size>10485760</max-file-size> <!-- 10MB -->
        <max-request-size>20971520</max-request-size> <!-- 20MB -->
    </multipart-config>
</servlet>

<form action="upload" method="post">
    Name: <input type="text" name="name"><br>
    Email: <input type="text" name="email"><br>
    <input type="submit" value="Submit">
</form>

@WebServlet("/upload")
public class UploadServlet extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String name = request.getParameter("name");
        String email = request.getParameter("email");

        String sql = "INSERT INTO users (name, email) VALUES (?, ?)";
        try (Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/mydatabase", "username", "password");
             PreparedStatement pstmt = conn.prepareStatement(sql)) {
            pstmt.setString(1, name);
            pstmt.setString(2, email);
            pstmt.executeUpdate();
        } catch (SQLException e) {
            e.printStackTrace();
        }

        response.sendRedirect("success.jsp");
    }
}