Java项目：JSP员工出差请假考勤管理系统

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项目介绍

本项目为后台管理系统；

管理员角色包含以下功能：

环境需要

1.运行环境：最好是java jdk 1.8，我们在这个平台上运行的。其他版本理论上也可以。
2.IDE环境：IDEA，Eclipse,Myeclipse都可以。推荐IDEA;
3.tomcat环境：Tomcat 7.x,8.x,9.x版本均可
4.硬件环境：windows 7/8/10 1G内存以上；或者 Mac OS；

5.数据库：MySql 5.7版本；

6.是否Maven项目：否；

技术栈

HTML+JSP+CSS+JavaScript+LayUI+Servlet+Mysql

使用说明

1. 使用Navicat或者其它工具，在mysql中创建对应名称的数据库，并导入项目的sql文件；
2. 使用IDEA/Eclipse/MyEclipse导入项目，Eclipse/MyEclipse导入时，若为maven项目请选择maven;
若为maven项目，导入成功后请执行maven clean;maven install命令，然后运行；
3. 将项目中c3p0-config.xml与utils/C3P0Utils.java配置文件中的数据库配置改为自己的配置;
4. 运行项目，输入http://localhost:8080/kaoqin 登录

管理员账号/密码：admin/123456

运行截图

相关代码

TiaoxiushenqingList

package cn.itheima.web;import java.io.IOException;
import java.sql.SQLException;
import java.util.List;import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import cn.itheima.domain.PageBean;
import cn.itheima.domain.Tiaoxiushenqing;
import cn.itheima.service.TiaoxiushenqingService;/*** Servlet implementation class TiaoxiushenqingList*/
public class TiaoxiushenqingList extends HttpServlet {private static final long serialVersionUID = 1L;/*** @see HttpServlet#HttpServlet()*/public TiaoxiushenqingList() {super();// TODO Auto-generated constructor stub}/*** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)*/protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {TiaoxiushenqingService service = new TiaoxiushenqingService();String currentPageStr =request.getParameter("currentPage");if(currentPageStr==null) currentPageStr="1";int currentPage = Integer.parseInt(currentPageStr);int currentCount=4;Long count = null;PageBean<Tiaoxiushenqing> pageBean = null;List<Tiaoxiushenqing> tiaoxiushenqingList = null;try {pageBean = service.findPageBean(currentPage,currentCount);tiaoxiushenqingList = service.findAllTiaoxiushenqing();count = service.Count();request.setAttribute("pageBean", pageBean);        request.setAttribute("tiaoxiushenqingList", tiaoxiushenqingList);     request.setAttribute("count", count);request.getRequestDispatcher("view/views/kaoqin/tiaoxiushenqing.jsp").forward(request, response);}catch (SQLException e) {e.printStackTrace();}}/*** @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)*/protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO Auto-generated method stubdoGet(request, response);}}

TiaoxiushenqingEdit

package cn.itheima.web;import java.io.IOException;import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import cn.itheima.domain.Tiaoxiushenqing;
import cn.itheima.service.TiaoxiushenqingService;/*** Servlet implementation class TiaoxiushenqingEdit*/
public class TiaoxiushenqingEdit extends HttpServlet {private static final long serialVersionUID = 1L;/*** @see HttpServlet#HttpServlet()*/public TiaoxiushenqingEdit() {super();// TODO Auto-generated constructor stub}/*** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)*/protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {String id = request.getParameter("id");String staff_name = request.getParameter("staff_name");String shenqingshijian = request.getParameter("shenqingshijian");String begin = request.getParameter("begin");String end = request.getParameter("end");String tiaoxiushichang = request.getParameter("tiaoxiushichang");String tiaoxiuyuanyin = request.getParameter("tiaoxiuyuanyin");Tiaoxiushenqing t = new Tiaoxiushenqing();t.setBegin(begin);t.setEnd(end);t.setId(Integer.parseInt(id));t.setShenqingshijian(shenqingshijian);t.setStaff_name(staff_name);t.setTiaoxiushichang(tiaoxiushichang);t.setTiaoxiuyuanyin(tiaoxiuyuanyin);TiaoxiushenqingService service = new TiaoxiushenqingService();try {service.update(t);Thread.sleep(3000);response.sendRedirect(request.getContextPath() + "/TiaoxiushenqingList");}catch (Exception e) {// TODO: handle exceptione.printStackTrace();}}/*** @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)*/protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO Auto-generated method stubdoGet(request, response);}}

TiaoxiushenqingAdd

package cn.itheima.web;import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import cn.itheima.domain.Tiaoxiushenqing;
import cn.itheima.service.TiaoxiushenqingService;/*** Servlet implementation class TiaoxiushenqingAdd*/
public class TiaoxiushenqingAdd extends HttpServlet {private static final long serialVersionUID = 1L;/*** @see HttpServlet#HttpServlet()*/public TiaoxiushenqingAdd() {super();// TODO Auto-generated constructor stub}/*** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)*/protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {String staff_name = request.getParameter("staff_name");String shenqingshijian = request.getParameter("shenqingshijian");String begin = request.getParameter("begin");String end = request.getParameter("end");String tiaoxiushichang = request.getParameter("tiaoxiushichang");String tiaoxiuyuanyin = request.getParameter("tiaoxiuyuanyin");Tiaoxiushenqing t = new Tiaoxiushenqing();t.setBegin(begin);t.setEnd(end);t.setShenqingshijian(shenqingshijian);t.setStaff_name(staff_name);t.setTiaoxiushichang(tiaoxiushichang);t.setTiaoxiuyuanyin(tiaoxiuyuanyin);TiaoxiushenqingService service = new TiaoxiushenqingService();try {service.add(t);Thread.sleep(3000);response.sendRedirect(request.getContextPath() + "/TiaoxiushenqingList");}catch (Exception e) {// TODO: handle exception}}/*** @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)*/protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO Auto-generated method stubdoGet(request, response);}}

StaffList

package cn.itheima.web;import java.io.IOException;
import java.sql.SQLException;
import java.util.List;import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import cn.itheima.domain.PageBean;
import cn.itheima.domain.Staff;
import cn.itheima.service.StaffService;/*** Servlet implementation class StaffList*/
public class StaffList extends HttpServlet {private static final long serialVersionUID = 1L;/*** @see HttpServlet#HttpServlet()*/public StaffList() {super();// TODO Auto-generated constructor stub}/*** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)*/protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO Auto-generated method stubStaffService service = new StaffService();String currentPageStr =request.getParameter("currentPage");if(currentPageStr==null) currentPageStr="1";int currentPage = Integer.parseInt(currentPageStr);int currentCount=4;Long count = null;PageBean<Staff> pageBean = null;List<Staff> staffList = null;try {pageBean = service.findPageBean(currentPage,currentCount);staffList = service.findAllStaff();count = service.Count();request.setAttribute("pageBean", pageBean);        request.setAttribute("shujuzidianList", staffList);       request.setAttribute("count", count);request.getRequestDispatcher("view/views/user/user/staff.jsp").forward(request, response);}catch (SQLException e) {e.printStackTrace();}}/*** @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)*/protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO Auto-generated method stubdoGet(request, response);}}

ShujuzidianAdd

package cn.itheima.web;import java.io.IOException;
import java.sql.SQLException;import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import cn.itheima.domain.Shujuzidian;
import cn.itheima.service.ShujuzidianService;/*** Servlet implementation class ShujuzidianAdd*/
public class ShujuzidianAdd extends HttpServlet {private static final long serialVersionUID = 1L;/*** @see HttpServlet#HttpServlet()*/public ShujuzidianAdd() {super();// TODO Auto-generated constructor stub}/*** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)*/protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO Auto-generated method stubrequest.setCharacterEncoding("UTF-8");String name = request.getParameter("name");String value = request.getParameter("value");ShujuzidianService service = new ShujuzidianService();try {service.add(name,value);} catch (SQLException e) {e.printStackTrace();}try {Thread.sleep(3000);response.sendRedirect(request.getContextPath() + "/ShujuzidianList");} catch (Exception e) {}   //response.sendRedirect(request.getContextPath() + "/ShujuzidianList");}/*** @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)*/protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO Auto-generated method stubdoGet(request, response);}}

KaoqinjiluAdd

package cn.itheima.web;import java.io.IOException;
import java.sql.SQLException;import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import cn.itheima.domain.Kaoqinjilu;
import cn.itheima.service.KaoqinjiluService;
import cn.itheima.service.StaffService;/*** Servlet implementation class KaoqinjiluAdd*/
public class KaoqinjiluAdd extends HttpServlet {private static final long serialVersionUID = 1L;/*** @see HttpServlet#HttpServlet()*/public KaoqinjiluAdd() {super();// TODO Auto-generated constructor stub}/*** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)*/protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {request.setCharacterEncoding("UTF-8");String kaoqinshijian = request.getParameter("kaoqinshijian");String leibie = request.getParameter("leibie");String staff_name = request.getParameter("staff_name");String kaoqinshiduan = request.getParameter("kaoqinshiduan");String shuoming = request.getParameter("shuoming");String jiluren = request.getParameter("jiluren");Kaoqinjilu k = new Kaoqinjilu();k.setKaoqinshijian(kaoqinshijian);k.setLeibie(leibie);k.setStaff_name(staff_name);k.setKaoqinshiduan(kaoqinshiduan);k.setShuoming(shuoming);k.setJiluren(jiluren);KaoqinjiluService service = new KaoqinjiluService();try {service.add(k);Thread.sleep(3000);response.sendRedirect(request.getContextPath() + "/KaoqinjiluList");}catch (Exception e) {// TODO: handle exception}}/*** @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)*/protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO Auto-generated method stubdoGet(request, response);}}

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