index.jsp

<%--  Created by IntelliJ IDEA.  User: Administrator  Date: 2018/10/29  Time: 11:47  To change this template use File | Settings | File Templates.--%><%@ page contentType="text/html;charset=UTF-8" language="java" %>            
    
         客户姓名：
     
     
    客户年龄：
     
     
    
       
    
  

save.class

package cn.sm1234.web;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import java.io.IOException;@WebServlet(name = "save",urlPatterns = "/save")public class save extends HttpServlet {    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {                   this.doGet(request,response);    }    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {                    request.setCharacterEncoding("utf-8");                    String name=request.getParameter("name");                    String age = request.getParameter("age");                    System.out.println(name+","+age);    }}

遇到的问题1：

解决方案：

浏览器设置的问题

出现问题2：

试过很多方法，也从cmd中终止了程序，但是还是不可以，最后我的解决方法是将使用的tomcat删除，重新导入tomcat。