个人简历管理系统（7）-控制层

比眉伴天荒 2022-10-03 00:56 227阅读 0赞

### 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
 *  备注

# 文件结构 #

![文件结构][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxMTQ2NjUw_size_16_color_FFFFFF_t_70]

# ResumeService.java #

## 业务逻辑分析 ##

<table> 
 <thead> 
  <tr> 
   <th>业务逻辑</th> 
   <th>D方法</th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td>添加简历</td> 
   <td>add</td> 
  </tr> 
  <tr> 
   <td>得到所有个人简历列表</td> 
   <td>ViewAll</td> 
  </tr> 
  <tr> 
   <td>修改密码</td> 
   <td>updatePwd</td> 
  </tr> 
  <tr> 
   <td>显示一个简历的详细信息</td> 
   <td>show</td> 
  </tr> 
  <tr> 
   <td>删除一条简历信息</td> 
   <td>delete</td> 
  </tr> 
  <tr> 
   <td>修改一条简历信息</td> 
   <td>update</td> 
  </tr> 
 </tbody> 
</table>

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

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxMTQ2NjUw_size_16_color_FFFFFF_t_70]: /images/20220109/8ca8a77d1fed4d6c8f08de2d34a1c8b0.png
[1_-]: https://blog.csdn.net/qq_41146650/article/details/93052508
[2_-]: https://blog.csdn.net/qq_41146650/article/details/93084606
[3_-]: https://blog.csdn.net/qq_41146650/article/details/93160598
[4_-javaBean]: https://blog.csdn.net/qq_41146650/article/details/93190218
[5_-Dao]: https://blog.csdn.net/qq_41146650/article/details/93199224
[6_-]: https://blog.csdn.net/qq_41146650/article/details/93211228
[eclipse_javaweb]: https://blog.csdn.net/qq_41146650/article/details/93058845