以下是一个使用Sevlet和JSP实现数据增加的简单示例:
1. 创建一个名为`AddDataServlet.java`的Servlet类,用于处理表单提交并增加数据:

```java
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class AddDataServlet extends HttpServlet {
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("







