基于Java+Servlet+Mysql+Jsp实现的hr系统，功能很简单就一个角色,功能有：部门管理、职位管理、培训管理、薪资管理、员工管理、招聘管理、公告管理、文件管理等。

运行环境:jdk1.8、tomcat7.0/8.5、mysql5.x、eclipse、navicat。

部门管理控制层：

@RequestMapping("/Department")
@RestController
public class DepartmentController {


    @Autowired
    IDepartmentService departmentService;

    @Autowired
    private HttpServletRequest request;

    @PostMapping("/addDepartment")
    public Result addDepartment(@RequestParam("departmentNumber") String departmentNumber, @RequestParam("departmentName") String departmentName,
                                      @RequestParam("departmentHead") String departmentHead, @RequestParam("departmentAddress") String departmentAddress,
                                      @RequestParam("departmentTel") String departmentTel, @RequestParam("departmentFax") String departmentFax)throws ParseException {
        SimpleDateFormat formatter=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

        Department department = new Department();
        department.setDepartmentName(departmentName);
        department.setDepartmentNumber(departmentNumber);
        department.setDepartmentAddress(departmentAddress);
        department.setDepartmentHead(departmentHead);
        department.setDepartmentTel(departmentTel);
        department.setDepartmentFax(departmentFax);

        return departmentService.addDepartment(department);
    }


    @GetMapping("/getAllDepartments")
    public ModelAndView getAllDepartments(){
        departmentService.getAllDepartments();
//        System.out.println("就是"+request.getSession().getAttribute("departmentPage"));
        return new ModelAndView("department");
    }

    @PostMapping("/deleteDepartment")
    public Result deleteDepartment(@RequestParam("ids") String ids){
        return departmentService.deleteDepartment(ids);
    }

    @PostMapping("/modifyDepartment")
    public Result modifyDepartment(@RequestParam("departmentNumber") String departmentNumber, @RequestParam("departmentName") String departmentName,
                                   @RequestParam("departmentHead") String departmentHead, @RequestParam("departmentAddress") String departmentAddress,
                                   @RequestParam("departmentTel") String departmentTel, @RequestParam("departmentFax") String departmentFax,
                                   @RequestParam("id") long id)throws ParseException{
        Department department = new Department();
        department.setDepartmentName(departmentName);
        department.setDepartmentNumber(departmentNumber);
        department.setDepartmentAddress(departmentAddress);
        department.setDepartmentHead(departmentHead);
        department.setDepartmentTel(departmentTel);
        department.setDepartmentFax(departmentFax);
        department.setId(id);
//        System.out.println("department修改: "+ department);
        return departmentService.modifyDepartment(department);
    }

    @GetMapping("/getPage")
    public ModelAndView getPage(@RequestParam("currentPage") Integer currentPage){
        departmentService.getPageDatas(currentPage);
//        System.out.println("currentPage: "+currentPage);
        return new ModelAndView("department");
    }

    @GetMapping("/getDepartmentById")
    public Result getDepartmentById(@RequestParam("id") long id){
        return departmentService.getDepartmentById(id);
    }

    @GetMapping("/getDepartmentByDepartmentNumber")
    public ModelAndView getDepartmentByDepartmentNumber(@RequestParam("departmentNumber") String departmentNumber)throws ParseException{
        departmentService.getDepartmentByDepartmentNumber(departmentNumber);
        return new ModelAndView("department");
    }

    @PostMapping("/getDepartmentNumberByDepartmentName")
    public Result getDepartmentNumberByDepartmentName(@RequestParam("departmentName") String departmentName)throws ParseException{
        return  departmentService.getDepartmentNumberByDepartmentName(departmentName);
    }
}

员工管理控制层： 

@Controller
@RequestMapping("/employee")
public class EmployeeController {

    @Autowired
    private IEmployeeService employeeService;

    @Autowired
    private EmployeeServiceImpl employeeServiceImpl;

    @PostMapping("/login")
    public ModelAndView login(Employee employee, HttpServletRequest request){
        Result result = employeeService.login(employee);
        if (result.getCode()==0){
            return new ModelAndView("redirect:/page/index");
        }
        request.setAttribute("pageMsg",result.getMsg());
        return new ModelAndView("forward:/page/login");
    }

    @PostMapping("/del_employees")
    @ResponseBody
    public ModelAndView deleteEmployees(@RequestParam("ids") String ids){
        employeeService.deleteEmployees(ids);
        return new ModelAndView("employeeInfo");
    }

    @GetMapping("/getPage")
    public ModelAndView getPage(@RequestParam("currentPage") Integer currentPage){
        employeeService.getPageDatas(currentPage);
        return new ModelAndView("employeeInfo");
    }

    @PostMapping("/addEmployee")
    @ResponseBody
    public Result addEmployee(Employee employee){
        return employeeService.addEmployee(employee);
    }

    @GetMapping("/getUpdateEmployeeInfo")
    public ModelAndView getUpdateEmployeeInfo(){
        employeeServiceImpl.updateAllEmployeeToSession();
        return new ModelAndView("employeeInfo");
    }

    @GetMapping("/getMyAccount")
    public ModelAndView getMyAccount(){
        return new ModelAndView("myAccount");
    }

    @GetMapping("/getEmployee")
    @ResponseBody
    public Result getEmployee(@RequestParam("id") long id){
        Employee employee = new Employee();
        employee.setId(id);
        return employeeService.getEmployee(employee);
    }

    @PostMapping("/updateEmployeeById")
    @ResponseBody
    public Result updateEmployeeById(Employee employee){
        return employeeService.updateEmployeeById(employee);
    }

    @PostMapping("/getEmployeeByNumber")
    @ResponseBody
    public Result getEmployeeByNumber(Employee employee){
        return employeeService.getEmployeeByNumber(employee.getEmployeeNumber());
    }

    @PostMapping("/updateEmployeeByNumber")
    @ResponseBody
    public Result updateEmployeeByNumber(Employee employee){
        return employeeService.updateEmployeeByNumber(employee);
    }

    @PostMapping("/uploadMyImage")
    @ResponseBody
    public Result upLoadMyImage(){
        return employeeService.upLoadMyImage();
    }

    @GetMapping("/clearLogin")
    @ResponseBody
    public Result clearLogin(){
        return employeeServiceImpl.clearLogin();
    }

    @PostMapping("/modifyPwd")
    @ResponseBody
    public Result modifyPwd(@RequestParam("oldPwd") String oldPwd,@RequestParam("newPwd") String newPwd){
        return employeeService.modifyPwd(oldPwd,newPwd);
    }

    @GetMapping("/loginYesOrNo")
    @ResponseBody
    public Result loginYesOrNo(){
        employeeServiceImpl.getEmployeeLoginInfo();
        return new Result(0,"已登录",null);
    }

    @GetMapping("/getEmployeeByEmployeeNumber")
    @ResponseBody
    public Result getEmployeeByEmployeeNumber(@RequestParam("employeeNumber") String employeeNumber)throws ParseException {
        Employee employee = new Employee();
        employee.setEmployeeNumber(employeeNumber);
        return employeeService.getEmployeeByEmployeeNumber(employee);
    }

    @PostMapping("/getEmployeeByName")
    @ResponseBody
    public Result getEmployeeByName(Employee employee)throws ParseException{
        return  employeeService.getEmployeeByName(employee.getEmployeeName());
    }

    @GetMapping("/getPersonByEmployeeNumber")
    @ResponseBody
    public ModelAndView getPersonByEmployeeNumber(@RequestParam("employeeNumber") String employeeNumber){
        Employee employee = new Employee();
        employee.setEmployeeNumber(employeeNumber);
        employeeServiceImpl.getPersonByEmployeeNumber(employee);
        return new ModelAndView("employeeInfo");
    }
}

公告管理控制层：

@RequestMapping("/BulletinResource")
@RestController
public class BulletinResourceController {

    @Autowired
    IBulletinResourceService bulletinResourceService;

    @PostMapping("/addBulletinResource")
    public Result addBulletinResource(@RequestParam("title") String title,
                                      @RequestParam("startDate") String startDate,
                                      @RequestParam("endDate") String endDate,
                                      @RequestParam("content") String content)throws ParseException{
        SimpleDateFormat formatter=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        startDate = startDate.replace("T"," ")+":00";
        Date startDate1=formatter.parse(startDate);
        endDate = endDate.replace("T"," ")+":00";
        Date endDate1=formatter.parse(endDate);
        BulletinResource bulletinResource = new BulletinResource();
        bulletinResource.setStartDate(startDate1);
        bulletinResource.setEndDate(endDate1);
        bulletinResource.setTitle(title);
        bulletinResource.setContent(content);
        return bulletinResourceService.addBulletinResource(bulletinResource);
    }

    @GetMapping("/getAllBulletinResources")
    public ModelAndView getAllBulletinResources(){
        bulletinResourceService.getAllBulletinResources();
        return new ModelAndView("bulletin");
    }

    @PostMapping("/deleteBulletinResource")
    public Result deleteBulletinResource(@RequestParam("ids") String ids){
        return bulletinResourceService.deleteBulletinResource(ids);
    }

    @PostMapping("/modifyBulletinResource")
    public Result modifyBulletinResource(@RequestParam("title") String title,@RequestParam("startDate") String startDate,
                                         @RequestParam("endDate") String endDate,@RequestParam("content") String content,@RequestParam("id") long id)throws ParseException{
        SimpleDateFormat formatter=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        startDate = startDate.replace("T"," ")+":00";
        Date startDate1=formatter.parse(startDate);
        endDate = endDate.replace("T"," ")+":00";
        Date endDate1=formatter.parse(endDate);
        BulletinResource bulletinResource = new BulletinResource();
        bulletinResource.setStartDate(startDate1);
        bulletinResource.setEndDate(endDate1);
        bulletinResource.setTitle(title);
        bulletinResource.setContent(content);
        bulletinResource.setId(id);
        return bulletinResourceService.modifyBulletinResource(bulletinResource);
    }

    @GetMapping("/getPage")
    public ModelAndView getPage(@RequestParam("currentPage") Integer currentPage){
        bulletinResourceService.getPageDatas(currentPage);
//        System.out.println("bulletin currentPage : "+currentPage);

        return new ModelAndView("bulletin");
    }

    @GetMapping("/getBulletinById")
    public Result getBulletinById(@RequestParam("id") long id){
        return bulletinResourceService.getBulletinById(id);
    }

    @GetMapping("/getBulletinResourceById")
    public ModelAndView getBulletinResourceById(@RequestParam("id") long id)throws ParseException{
        bulletinResourceService.getBulletinResourceById(id);
        return new ModelAndView("bulletin");
    }

    @PostMapping("/getIdByTitle")
    public Result getIdByTitle(@RequestParam("bulletintitle") String bulletintitle)throws ParseException{
        return  bulletinResourceService.getIdByTitle(bulletintitle);
    }
}