recruit/java/com/example/servlet/ProfileServlet.java

package com.example.servlet;

import java.io.IOException;
import java.sql.SQLException;

import com.alibaba.fastjson.JSONObject;
import com.example.bean.EntrepriseProfileBean;
import com.example.bean.StudentProfileBean;
import com.example.dao.EntrepriseProfileDAO;
import com.example.dao.StudentProfileDAO;
import com.example.utility.HttpGetJson;

import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;

@WebServlet("/profile")
public class ProfileServlet extends HttpServlet {
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
        request.setCharacterEncoding("utf-8");
        response.setContentType("text/html");
        HttpSession session = request.getSession();
        if (request.getParameter("authorization") != null) { // 管理页面用
            String account = request.getParameter("account");
            try {
                StudentProfileDAO studentProfileDAO = new StudentProfileDAO();
                StudentProfileBean studentProfileBean = new StudentProfileBean();
                studentProfileBean = studentProfileDAO.getProfile(account);
                if (studentProfileBean != null) {
                    session.setAttribute("studentProfileBean", studentProfileBean);
                    session.setAttribute("isStudentProfileExisted", "true");
                } else {
                    session.setAttribute("studentProfileBean", null);
                    session.setAttribute("objectAccount", account);
                    session.setAttribute("isStudentProfileExisted", "notExist");
                }
            } catch (SQLException e) {
                e.printStackTrace();
            }
            request.getRequestDispatcher("WEB-INF/jsp/studentProfile.jsp").forward(request, response);
        } else if (request.getParameter("companyID") != null) {
            String companyID = request.getParameter("companyID");
            try {
                EntrepriseProfileDAO entrepriseProfileDAO = new EntrepriseProfileDAO();
                EntrepriseProfileBean entrepriseProfileBean = new EntrepriseProfileBean();
                entrepriseProfileBean = entrepriseProfileDAO.getProfile(companyID);
                if (entrepriseProfileBean != null) {
                    session.setAttribute("entrepriseProfileBean", entrepriseProfileBean);
                    session.setAttribute("isEntrepriseProfileExisted", "true");
                } else {
                    session.setAttribute("entrepriseProfileBean", null);
                    session.setAttribute("isEntrepriseProfileExisted", "notExist");
                }
            } catch (SQLException e) {
                e.printStackTrace();
            }
            request.getRequestDispatcher("WEB-INF/jsp/entrepriseProfile.jsp").forward(request, response);
        } else { // 登录后检测
            if (session.getAttribute("accountAuthorization") != null) {
                if (session.getAttribute("accountAuthorization").toString().equals("student")) {
                    StudentProfileDAO studentProfileDAO = new StudentProfileDAO();
                    try {
                        StudentProfileBean studentProfileBean = new StudentProfileBean();
                        studentProfileBean = studentProfileDAO.getProfile(session.getAttribute("account").toString());
                        if (studentProfileBean != null) {
                            session.setAttribute("studentProfileBean", studentProfileBean);
                            session.setAttribute("isStudentProfileExisted", "true");
                        }
                    } catch (SQLException e) {
                        e.printStackTrace();
                    }
                    request.getRequestDispatcher("WEB-INF/jsp/studentProfile.jsp").forward(request, response);
                } else if (session.getAttribute("accountAuthorization").toString().equals("entreprise")) {
                    EntrepriseProfileDAO entrepriseProfileDAO = new EntrepriseProfileDAO();
                    try {
                        EntrepriseProfileBean entrepriseProfileBean = new EntrepriseProfileBean();
                        entrepriseProfileBean = entrepriseProfileDAO
                                .getProfile(session.getAttribute("account").toString());
                        if (entrepriseProfileBean != null) {
                            session.setAttribute("entrepriseProfileBean", entrepriseProfileBean);
                            session.setAttribute("isEntrepriseProfileExisted", "true");
                            session.setAttribute("companyName", entrepriseProfileBean.getName());
                            session.setAttribute("contactEmail", entrepriseProfileBean.getContactEmail());
                        }
                    } catch (SQLException e) {
                        e.printStackTrace();
                    }
                    request.getRequestDispatcher("WEB-INF/jsp/entrepriseProfile.jsp").forward(request, response);
                }
            } else
                request.getRequestDispatcher("WEB-INF/jsp/studentProfile.jsp").forward(request, response);
        }
    }

    public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
        request.setCharacterEncoding("UTF-8");
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/json;charset=utf-8");
        HttpSession session = request.getSession();
        JSONObject status = new JSONObject();
        if (session.getAttribute("accountAuthorization").toString().equals("student")) {
            StudentProfileDAO studentProfileDAO = new StudentProfileDAO();
            JSONObject studentProfileJson = HttpGetJson.getJson(request);
            try {
                if (studentProfileJson.getString("method").toString().equals("create")) {
                    studentProfileDAO.create(studentProfileJson.getString("name"),
                            Integer.parseInt(studentProfileJson.getString("age")),
                            studentProfileJson.getString("location"),
                            studentProfileJson.getString("interest"), session.getAttribute("account").toString());
                    status.put("status", "创建成功");
                }
                if (studentProfileJson.getString("method").toString().equals("update")) {
                    studentProfileDAO.update(studentProfileJson.getString("name"),
                            Integer.parseInt(studentProfileJson.getString("age")),
                            studentProfileJson.getString("location"),
                            studentProfileJson.getString("interest"), session.getAttribute("account").toString());
                    status.put("status", "更新成功");
                }
            } catch (SQLException e) {
                status.put("status", "失败");
                e.printStackTrace();
            }
        }
        if (session.getAttribute("accountAuthorization").equals("entreprise")) {
            EntrepriseProfileDAO entrepriseProfileDAO = new EntrepriseProfileDAO();
            JSONObject entrepriseProfileJson = HttpGetJson.getJson(request);
            try {
                if (entrepriseProfileJson.getString("method").toString().equals("create")) {
                    entrepriseProfileDAO.create(entrepriseProfileJson.getString("name"),
                            entrepriseProfileJson.getString("overview"), session.getAttribute("account").toString(),
                            entrepriseProfileJson.getString("contactEmail"));
                    status.put("status", "创建成功");
                }
                if (entrepriseProfileJson.getString("method").toString().equals("update")) {
                    entrepriseProfileDAO.update(entrepriseProfileJson.getString("name"),
                            entrepriseProfileJson.getString("overview"), session.getAttribute("account").toString(),
                            entrepriseProfileJson.getString("contactEmail"));
                    status.put("status", "更新成功");
                }
            } catch (SQLException e) {
                status.put("status", "失败");
                e.printStackTrace();
            }
        }
        response.getWriter().write(String.valueOf(status));
    }
}