1、添加【AddServlet】
2、添加AddServlet编码
package com.item.servlet; import com.item.dao.UserInfoDAO; import com.item.daoimpl.UserInfoDAOImpl; import com.item.pojo.UserInfo; 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; import java.util.List; @WebServlet("/SelectAllServlet") public class SelectAllServlet extends HttpServlet { @Override protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { req.setCharacterEncoding("utf-8"); UserInfoDAO db = new UserInfoDAOImpl(); List<UserInfo> list = db.GetAll(); req.setAttribute("list",list); req.getRequestDispatcher("index.jsp").forward(req,resp); } @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { doPost(req, resp); } }
3、在【index.jsp】中添加【添加】按钮编码
<a href="Add.jsp" class="btn btn-primary">添加</a>
4、创建【AddServlet.jsp】
5、添加【AddServlet.jsp】编码
<%-- Created by IntelliJ IDEA. User: qwe84 Date: 2022/2/26 Time: 11:39 To change this template use File | Settings | File Templates. --%> <%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>添加</title> <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css"> </head> <body> <form action="/AddServlet" method="post"> <p> <input type="text" placeholder="请输入用户名" name="userName" class="form-control" required/> </p> <p> <input type="text" placeholder="请输入爱好" name="introduce" class="form-control" required/> </p> <p> <input type="submit" value="添加" class="btn btn-primary"/> </p> </form> </body> </html>
6、执行测试
点击【左上角的添加功能】
添加成功，可以看到【sunwukong】的值是【七十二变】。
