```java

// 确保在web.xml中配置了servlet和servlet-mapping

jsp servlet查询表中id实例，JSPServlet查询表中id实例 第1张

// 例如：

/*

QueryByIdServlet

com.example.QueryByIdServlet

QueryByIdServlet

/queryById

*/

import java.io.*;

import javax.servlet.*;

import javax.servlet.http.*;

import java.sql.*;

public class QueryByIdServlet extends HttpServlet {

public void doGet(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

// 设置请求和响应的编码

request.setCharacterEncoding("