个人简历管理系统- 控制层

• 文件结构
• ResumeService.java
• 业务逻辑分析
• 源代码

文件结构

ResumeService.java

业务逻辑分析

源代码

package com.resume.servlet;

import java.io.IOException;
import java.util.List;

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 javax.servlet.http.HttpSession;

import com.resume.bean.Resume;
import com.resume.bean.User;
import com.resume.dao.ResumeDao;
import com.resume.dao.UserDao;

@WebServlet("/ResumeService")
public class ResumeService extends HttpServlet {
private static final long serialVersionUID = 1L;

private ResumeDao resumeDao = new ResumeDao();
private String userid;

protected void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String method = request.getParameter("method");
HttpSession session = request.getSession(false);
userid = (String) session.getAttribute("id");
if(userid == null) {
request.setAttribute("message", "你的登录信息已失效，请重新登陆");
request.getRequestDispatcher("login.jsp").forward(request, response);
return ;
}
if (method.equals("ViewAll")) {
ViewAll(request, response);
} else if (method.equals("updatePwd")) {
updatePwd(request, response);
} else if (method.equals("add")) {
add(request, response);
} else if (method.equals("show")) {
show(request, response);
}else if (method.equals("delete")) {
delete(request, response);
}else if (method.equals("update")) {
update(request, response);
}

}

protected void ViewAll(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
List<Integer>list = resumeDao.getAll(userid);
request.setAttribute("list", list);
request.getRequestDispatcher("viewAll.jsp").forward(request, response);
}

protected void updatePwd(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String password = request.getParameter("pwd1");
User user = new UserDao().checkId(userid);
if(user.getPassword().equals(password)==false) {
request.setAttribute("message", "请先正确输入之前的旧密码");
request.getRequestDispatcher("updatePwd.jsp").forward(request, response);
return ;
}
String password2 = request.getParameter("pwd2");
user.setPassword(password2);
new UserDao().update(user);
request.setAttribute("message", "修改密码成功");
request.getRequestDispatcher("main.jsp").forward(request, response);
}

protected void add(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
Resume resume = getResume(request, response);
resume.setUserid(userid);
resumeDao.add(resume);
request.setAttribute("message", "添加简历成功");
request.getRequestDispatcher("main.jsp").forward(request, response);
}

protected void show(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String id = request.getParameter("id");
Resume resume = resumeDao.getById(id);
request.setAttribute("resume", resume);
request.getRequestDispatcher("show.jsp").forward(request, response);
}

protected void delete(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String id = request.getParameter("id");
resumeDao.delete(id);
request.setAttribute("message", "删除简历成功");
request.getRequestDispatcher("ResumeService?method=ViewAll").forward(request, response);
}

protected void update(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String id = request.getParameter("id");
Resume resume = getResume(request, response);
resume.setId(Integer.parseInt(id));
resumeDao.update(resume);
request.setAttribute("message", "修改简历成功");
request.getRequestDispatcher("ResumeService?method=ViewAll").forward(request, response);
}

//封装前台的提交的简历信息
protected Resume getResume(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
Resume resume = new Resume();
resume.setUsername(request.getParameter("username"));
resume.setSex(request.getParameter("sex"));
resume.setBirth(request.getParameter("birth"));
resume.setEthnic(request.getParameter("ethnic"));
resume.set_native(request.getParameter("native"));
resume.setPolitic(request.getParameter("politic"));
resume.setMayor(request.getParameter("mayor"));
resume.setSchool(request.getParameter("school"));
resume.setTelephone(request.getParameter("telephone"));
resume.setEmail(request.getParameter("email"));
resume.setSkill(request.getParameter("skill"));
resume.setExperience(request.getParameter("experience"));
resume.setEvaluation(request.getParameter("evaluation"));
System.out.println(resume);
return resume;
}

}

备注

• 项目相关博客
  个人简历管理系统（1）-数据库创建
  个人简历管理系统（2）-数据库连接
  个人简历管理系统（3）- 登陆与注册界面
  个人简历管理系统（4）-javaBean层
  个人简历管理系统（5）-Dao
  个人简历管理系统（6）-登陆与注册后端实现
  参考博客
  用eclipse创建一个javaweb项目