userservlet
package com.iflytek.controller;
import dao.UserDao;
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("/UserServlet")
public class UserServlet extends HttpServlet {
private UserDao userDao=new UserDao();
public UserServlet() throws IOException {
}
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String id= req.getParameter("id");
System.out.println(id);
UserDao userDao=new UserDao();
User user=userDao.findUserById(Integer.parseInt(id));
req.setAttribute("user",user);
req.getRequestDispatcher("updateUser.jsp").forward(req,resp);
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String name =req.getParameter("userName");
String age =req.getParameter("userAge");
String id =req.getParameter("id");
User user=new User();
user.setId(Integer.parseInt(id));
user.setName(name);
user.setAge(Integer.parseInt(age));
userDao.updateUser(user);
req.getRequestDispatcher("testController").forward(req,resp);
}
}
userdao
package com.iflytek.controller; import dao.UserD
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