第二周总结

package com.itheima.web;

import com.itheima.pojo.User;
import com.itheima.service.UserService;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.annotation.*;
import java.io.IOException;
import java.util.List;

@WebServlet("/UpdateServlet")
public class UpdateServlet extends HttpServlet {
    private UserService service =new UserService();
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        User user=new User();
        String id = request.getParameter("id");
        String name = request.getParameter("name");
        String xuehao = request.getParameter("xuehao");
        String leibie = request.getParameter("leibie");
        String yuanxi = request.getParameter("yuanxi");
        String dianhua = request.getParameter("dianhua");
        String jiankangma = request.getParameter("jiankangma");
        String[] tongjis = request.getParameterValues("tongji");
        String tongji="";
        if(tongjis!=null)
        {
            for (int i = 0; i < tongjis.length; i++) {
                tongji=tongji+tongjis[i];
            }
        }
        String qita = request.getParameter("qita");
        user.setId(Integer.parseInt(id));
        user.setName(name);
        user.setXuehao(Integer.parseInt(xuehao));
        user.setLeibie(leibie);
        user.setYuanxi(yuanxi);
        user.setDianhua(dianhua);
        user.setJiankangma(jiankangma);
        user.setTongji(tongji);
        user.setQita(qita);
        List<User> users = service.selectByNameId(Integer.parseInt(xuehao), name);
        if(users.size()!=0)
        {
            request.getRequestDispatcher("/false.html").forward(request,response);
        }
        else
        {
            service.update(user);
            request.getRequestDispatcher("/successful.html").forward(request,response);
        }

//        request.getRequestDispatcher("/SelectAllServlet").forward(request,response);
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        this.doGet(request, response);
    }
}