选修课程管理系统java javaweb选课管理系统

基于javaweb的网上选课系统(java+ssm+jsp+mysql)

运行环境

Java≥8、MySQL≥5.7、Tomcat≥8

开发工具

eclipse/idea/myeclipse/sts等均可配置运行

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

功能说明

基于javaweb+jsp的在线选课网上选课系统(java+SSM+jsp+mysql+maven)

一、项目简述

功能： 系统分为三个角色。最高权限管理员，学生，教师，包括 学生管理，教师管理，课程管理，选课，退课，成绩查 询。，教学课程，查看选课名单等等功能完全齐备。

二、项目运行

环境配置： Jdk1.8 + Tomcat8.5 + Mysql + Eclispe (IntelliJ IDEA,Eclispe,MyEclispe,Sts 都支持)

项目技术： JSP +Spring + SpringMVC + MyBatis + Bootstrap4+ css + JavaScript + JQuery + Ajax + particles.js+ maven等等。

用户管理控制器：

/**
• 用户管理控制器
*/
@RequestMapping(“/user/”)
@Controller
public class UserController {
@Autowired
private IUserService userService;
@Autowired
private IRoleService roleService;
@Resource
private ProcessEngineConfiguration configuration;
@Resource
private ProcessEngine engine;
@GetMapping(“/index”)
@ApiOperation(“跳转用户页接口”)
@PreAuthorize(“hasRole(‘管理员’)”)
public String index(String menuid,Model model){
List roles = queryAllRole();
model.addAttribute(“roles”,roles);
model.addAttribute(“menuid”,menuid);
//用户首页
return “views/user/user_list”;
@GetMapping(“/listpage”)
@ApiOperation(“查询用户分页数据接口”)
@ApiImplicitParams({
@ApiImplicitParam(name = “UserQuery”, value = “用户查询对象”, defaultValue = “userQuery对象”)
})
@ResponseBody
@PreAuthorize(“hasRole(‘管理员’)”)
public PageList listpage(UserQuery userQuery){
return userService.listpage(userQuery);
//添加用户
@PostMapping(“/addUser”)
@ApiOperation(“添加用户接口”)
@ResponseBody
public Map<String,Object> addUser(User user){
Map<String, Object> ret = new HashMap<>();
ret.put(“code”,-1);
if(StringUtils.isEmpty(user.getUsername())){
ret.put(“msg”,“请填写用户名”);
return ret;
if(StringUtils.isEmpty(user.getPassword())){
ret.put(“msg”,“请填写密码”);
return ret;
if(StringUtils.isEmpty(user.getEmail())){
ret.put(“msg”,“请填写邮箱”);
return ret;
if(StringUtils.isEmpty(user.getTel())){
ret.put(“msg”,“请填写手机号”);
return ret;
if(StringUtils.isEmpty(user.getHeadImg())){
ret.put(“msg”,“请上传头像”);
return ret;
if(userService.addUser(user)<=0) {
ret.put(“msg”, “添加用户失败”);
return ret;
ret.put(“code”,0);
ret.put(“msg”,“添加用户成功”);
return ret;
/**
• 修改用户信息操作
• @param user
• @return
*/
@PostMapping(“/editSaveUser”)
@ApiOperation(“修改用户接口”)
@PreAuthorize(“hasRole(‘管理员’)”)
@ResponseBody
public Message editSaveUser(User user){
if(StringUtils.isEmpty(user.getUsername())){
return Message.error(“请填写用户名”);
if(StringUtils.isEmpty(user.getEmail())){
return Message.error(“请填写邮箱”);
if(StringUtils.isEmpty(user.getTel())){
return Message.error(“请填写手机号”);
try {
userService.editSaveUser(user);
return Message.success();
} catch (Exception e) {
e.printStackTrace();
return Message.error(“修改用户信息失败”);
//添加用户
@GetMapping(“/deleteUser”)
@ApiOperation(“删除用户接口”)
@ApiImplicitParams({
@ApiImplicitParam(name = “id”, value = “如:88”,required = true)
})
@PreAuthorize(“hasRole(‘管理员’)”)
@ResponseBody
public AjaxResult deleteUser(@RequestParam(required = true) Long id){
AjaxResult ajaxResult = new AjaxResult();
try {
userService.deleteUser(id);
} catch (Exception e) {
e.printStackTrace();
return new AjaxResult(“删除失败”);
return ajaxResult;
@PostMapping(value=“/deleteBatchUser”)
@ApiOperation(“批量删除用户接口”)
@PreAuthorize(“hasRole(‘管理员’)”)
@ResponseBody
public AjaxResult deleteBatchUser(String ids){
String[] idsArr = ids.split(“,”);
List list = new ArrayList();
for(int i=0;i<idsArr.length;i++){
list.add(idsArr[i]);
try{
userService.batchRemove(list);
return new AjaxResult();
}catch(Exception e){
return new AjaxResult(“批量删除失败”);
//查询所有角色
public List queryAllRole(){
return roleService.queryAll();
//添加用户的角色
@PostMapping(“/addUserRole”)
@ApiOperation(“添加用户角色接口”)
@ApiImplicitParams({
@ApiImplicitParam(name = “paramMap”, value = “如:{userId:1,[1,2,3,4]]}”)
})
@ResponseBody
public AjaxResult addUserRole(@RequestBody Map paramMap){
AjaxResult ajaxResult = new AjaxResult();
String userId = (String)paramMap.get(“userId”);
List roleIds = (List) paramMap.get(“roleIds”);
try {
//添加用户对应的角色
roleService.addUserRole(userId,roleIds);
return ajaxResult;
}catch (Exception e){
e.printStackTrace();
return new AjaxResult(“保存角色失败”);
//添加用户
@RequestMapping(“/regSaveUser”)
@ResponseBody
public Long addTeacher(User user){
System.out.println(“保存用户…”+user);
userService.addUser(user);
//保存工作流程操作
IdentityService is = engine.getIdentityService();
// 添加用户组
org.activiti.engine.identity.User userInfo = userService.saveUser(is, user.getUsername());
// 添加用户对应的组关系
Group stuGroup = new GroupEntityImpl();
stuGroup.setId(“stuGroup”);
Group tGroup = new GroupEntityImpl();
tGroup.setId(“tGroup”);
if(user.getType() == 2) {
//保存老师组
userService.saveRel(is, userInfo, tGroup);
if(user.getType() == 3) {
//保存学生组
userService.saveRel(is, userInfo, stuGroup);
Long userId = user.getId();
return userId;
/**
• 修改密码页面
• @return
*/
@RequestMapping(value=“/update_pwd”,method=RequestMethod.GET)
public String updatePwd(){
return “views/user/update_pwd”;
/**
• 修改密码操作
• @param oldPwd
• @param newPwd
• @return
*/
@ResponseBody
@PostMapping(“/update_pwd”)
public Message updatePassword(@RequestParam(name=“oldPwd”,required=true)String oldPwd,
@RequestParam(name=“newPwd”,required=true)String newPwd){
String username = CommonUtils.getLoginUser().getUsername();
User userByUserName = userService.findUserByUserName(username);
if(userByUserName!=null){
String password = userByUserName.getPassword();
BCryptPasswordEncoder bCryptPasswordEncoder = new BCryptPasswordEncoder();
boolean matches = bCryptPasswordEncoder.matches(oldPwd, password);
if(!matches){
return Message.error(“旧密码不正确”);//true
userByUserName.setPassword(bCryptPasswordEncoder.encode(newPwd));
if(userService.editUserPassword(userByUserName)<=0){
return Message.error(“密码修改失败”);
return Message.success();
/**
• 清除缓存
• @param request
• @param response
• @return
*/
@ResponseBody
@PostMapping(“/clear_cache”)
public Message clearCache(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setHeader(“Cache-Control”,“no-store”);
response.setHeader(“Pragrma”,“no-cache”);
response.setDateHeader(“Expires”,0);
return Message.success();

角色控制层：

@Controller
public class RoleController {
@Autowired
private IRoleService roleService;
@Autowired
private IPermissionService permissionService;
@PreAuthorize(“hasRole(‘管理员’)”)
@ResponseBody
@RequestMapping(“/role/doAdd”)
public String doAdd(Role role){
//角色添加
return “ok”;
//添加角色
@RequestMapping(“/role/addRole”)
@PreAuthorize(“hasRole(‘管理员’)”)
@ResponseBody
public AjaxResult addRole(Role role){
System.out.println(“保存角色…”+role);
try {
roleService.saveRole(role);
return new AjaxResult();
} catch (Exception e) {
e.printStackTrace();
return new AjaxResult(“操作失败”);
@PreAuthorize(“hasRole(‘管理员’)”)
@RequestMapping(“/role/index”)
public String index(Model model){
List permisisons = permissionService.findAllPermisisons();
model.addAttribute(“permissions”,permisisons);
//返回角色
return “views/role/role_list”;
@RequestMapping(“/role/listpage”)
@ResponseBody
public PageList listpage(RoleQuery roleQuery){
System.out.println(“传递参数:”+roleQuery);
return roleService.listpage(roleQuery);
//修改用户editSaveUser
@RequestMapping(“/role/editSaveRole”)
@ResponseBody
public AjaxResult editSaveRole(Role role){
System.out.println(“修改角色…”+role);
try {
roleService.editSaveRole(role);
return new AjaxResult();
} catch (Exception e) {
e.printStackTrace();
return new AjaxResult(“修改失败”);
//添加角色
@RequestMapping(“/role/deleteRole”)
@ResponseBody
public AjaxResult deleteRole(Long id){
System.out.println(“删除角色…”+id);
AjaxResult ajaxResult = new AjaxResult();
try {
roleService.deleteRole(id);
} catch (Exception e) {
e.printStackTrace();
return new AjaxResult(“删除失败”);
return ajaxResult;
//添加角色权限 addRolePermission
@RequestMapping(“/role/addRolePermission”)
@ResponseBody
public AjaxResult addRolePermission(@RequestBody Map paramMap){
AjaxResult ajaxResult = new AjaxResult();
String roleId = (String)paramMap.get(“roleId”);
List permissionIds = (List) paramMap.get(“permissionIds”);
try {
//添加角色对应的权限
roleService.addRolePermission(roleId,permissionIds);
return ajaxResult;
}catch (Exception e){
e.printStackTrace();
return new AjaxResult(“保存权限失败”);
学生管理接口：
@RequestMapping(“/student”)
@Controller
@Api(tags = “学生管理接口”)
public class StudentController {
@Autowired
private IUserService userService;
@Autowired
private ICourseService courseService;
@Autowired
private IClassesService classesService;
@Resource
private ProcessEngine engine;
@Autowired
private IOperaterLogService operaterLogService;
//老师列表
//后台查询学生列表
@RequestMapping(“/index”)
public String index(Model model){
//用户首页
model.addAttribute(“courses”,courseService.queryAll());
model.addAttribute(“classes”,classesService.queryAll());
return “views/student/student_list”;
@RequestMapping(“/listpage”)
@ResponseBody
public PageList listpage(UserQuery userQuery){
userQuery.setType(3L);//2表示老学生
return userService.listpage(userQuery);
/**
• 添加学生操作
• @param user
• @return
*/
@PostMapping(“/addSaveStu”)
@ApiOperation(“添加学生接口”)
@PreAuthorize(“hasRole(‘管理员’)”)
@ResponseBody
public Message addSaveStudent(User user){
if(StringUtils.isEmpty(user.getUsername())){
return Message.error(“请填写用户名”);
if(StringUtils.isEmpty(user.getPassword())){
return Message.error(“请填写密码”);
if(StringUtils.isEmpty(user.getEmail())){
return Message.error(“请填写邮箱”);
if(StringUtils.isEmpty(user.getTel())){
return Message.error(“请填写手机号”);
if(StringUtils.isEmpty(user.getStunum())){
return Message.error(“请填写学号”);
User userByUserName = userService.findUserByUserName(user.getUsername());
if(userByUserName!=null){
return Message.error(“用户名已存在”);
if(userService.findByStuNum(user.getStunum())!=null){
return Message.error(“该学号已存在”);
user.setType(3);
if(userService.addUser(user)<=0){
return Message.error(“学生添加失败”);
//保存工作流程操作
IdentityService is = engine.getIdentityService();
// 添加用户组
org.activiti.engine.identity.User userInfo = userService.saveUser(is, user.getUsername());
// 添加用户对应的组关系
Group stuGroup = new GroupEntityImpl();
stuGroup.setId(“stuGroup”);
userService.saveRel(is, userInfo, stuGroup);
operaterLogService.add(“添加学生成功,学生名称:”+user.getUsername());
return Message.success();
//修改用户editSaveUser
@PostMapping(“/editSaveStu”)
@ApiOperation(“修改学生接口”)
@PreAuthorize(“hasRole(‘管理员’)”)
@ResponseBody
public Message editSaveStu(User user){
if(StringUtils.isEmpty(user.getUsername())){
return Message.error(“请填写用户名”);
if(StringUtils.isEmpty(user.getEmail())){
return Message.error(“请填写邮箱”);
if(StringUtils.isEmpty(user.getTel())){
return Message.error(“请填写手机号”);
User userByUserName = userService.findUserByUserName(user.getUsername());
if(userByUserName!=null){
if(!userByUserName.getId().equals(user.getId())){
return Message.error(“该用户名已存在”);
try {
userService.editSaveUser(user);
operaterLogService.add(“编辑学生成功,学生名称:”+user.getUsername());
return Message.success();
} catch (Exception e) {
e.printStackTrace();
return Message.error(“学生编辑失败”);
//editSaveStuXk
@PostMapping(“/editSaveStuXk”)
@ApiOperation(“修改用户接口”)
@ApiImplicitParams({
@ApiImplicitParam(name = “User”, value = “学生选课”)
})
@ResponseBody
public AjaxResult editSaveStuXk(User user){
try {
userService.editSaveXk(user);
operaterLogService.add(“修改学生选课成功,学生名称:”+user.getUsername());
return new AjaxResult();
} catch (Exception e) {
e.printStackTrace();
return new AjaxResult(“修改失败”);

教师管理接口：

@RequestMapping(“/teacher”)
@Controller
@Api(tags = “教师管理接口”)
public class TeacherController {
@Autowired
private IUserService userService;
@Autowired
private IClassesService classesService;
@Resource
private ProcessEngine engine;
@Autowired
private IOperaterLogService operaterLogService;
//老师列表
@RequestMapping(“/index”)
public String index(Model model){
//用户首页
model.addAttribute(“classes”,classesService.queryAll());
return “views/teacher/teacher_list”;
@RequestMapping(“/listpage”)
@ResponseBody
public PageList listpage(UserQuery userQuery){
userQuery.setType(2L);//2表示老师
return userService.listpage(userQuery);
/**
• 添加教师操作
• @param user
• @return
*/
@PostMapping(“/addTeacher”)
@ApiOperation(“添加教师接口”)
@ResponseBody
@PreAuthorize(“hasRole(‘管理员’)”)
public Message addTeacher(User user){
if(StringUtils.isEmpty(user.getUsername())){
return Message.error(“请填写用户名”);
if(StringUtils.isEmpty(user.getPassword())){
return Message.error(“请填写密码”);
if(StringUtils.isEmpty(user.getEmail())){
return Message.error(“请填写邮箱”);
if(StringUtils.isEmpty(user.getTel())){
return Message.error(“请填写手机号”);
User userByUserName = userService.findUserByUserName(user.getUsername());
if(userByUserName!=null){
return Message.error(“用户名已存在”);
user.setType(2);
if(userService.addUser(user)<=0){
return Message.error(“教师添加失败”);
//保存工作流程操作
IdentityService is = engine.getIdentityService();
// 添加用户组
org.activiti.engine.identity.User userInfo = userService.saveUser(is, user.getUsername());
Group tGroup = new GroupEntityImpl();
tGroup.setId(“tGroup”);
userService.saveRel(is, userInfo, tGroup);
operaterLogService.add(“添加教师成功,教师名称:”+user.getUsername());
return Message.success();
/**
• 修改教师操作
• @param user
• @return
*/
@PostMapping(“/editSaveStu”)
@ApiOperation(“修改教师接口”)
@PreAuthorize(“hasRole(‘管理员’)”)
@ResponseBody
public Message editSaveStu(User user){
if(StringUtils.isEmpty(user.getUsername())){
return Message.error(“请填写用户名”);
if(StringUtils.isEmpty(user.getEmail())){
return Message.error(“请填写邮箱”);
if(StringUtils.isEmpty(user.getTel())){
return Message.error(“请填写手机号”);
User userByUserName = userService.findUserByUserName(user.getUsername());
if(userByUserName!=null){
if(!userByUserName.getId().equals(user.getId())){
return Message.error(“该用户名已存在”);
try {
userService.editSaveUser(user);
operaterLogService.add(“编辑教师成功,教师名称:”+user.getUsername());
return Message.success();
} catch (Exception e) {
e.printStackTrace();
return Message.error(“教师信息编辑失败”);

成绩管理接口：

@RequestMapping(“/score”)
@Controller
@Api(tags = “成绩管理接口”)
public class ScoreController {
@Autowired
private IScoreService scoreService;
@Autowired
private IUserService userService;
@Autowired
private ICourseService courseService;
@Autowired
private IOperaterLogService operaterLogService;
@GetMapping(“/index”)
@ApiOperation(“跳转成绩页接口”)
public String index(Model model){
//查询学生
List users = userService.findAllStudent();
model.addAttribute(“users”,users);
model.addAttribute(“courses”,courseService.queryAll());
//查询课程
return “views/score/score_list”;
@GetMapping(“/listpage”)
@ApiOperation(“查询成绩分页数据接口”)
@ApiImplicitParams({
@ApiImplicitParam(name = “ScoreQuery”, value = “成绩查询对象”, defaultValue = “scoreQuery对象”)
})
@ResponseBody
public PageList listpage(ScoreQuery scoreQuery){
return scoreService.listpage(scoreQuery);
/**
• 添加成绩操作
• @param score
• @return
*/
@PostMapping(“/addScore”)
@ApiOperation(“添加成绩接口”)
@ResponseBody
public Message addScore(Score score){
if(StringUtils.isEmpty(score.getScore())){
return Message.error(“请填写该学生的成绩”);
Map<String, Object> queryMap = new HashMap<>();
queryMap.put(“userId”,score.getUserid());
queryMap.put(“courseId”,score.getCourseid());
Score byUidAndCid = scoreService.findByUidAndCid(queryMap);
if(byUidAndCid!=null){
return Message.error(“该学生的课程成绩已经添加过了！”);
try {
scoreService.addScore(score);
operaterLogService.add(“添加学生成绩成功”);
return Message.success();
} catch (Exception e) {
e.printStackTrace();
return Message.error(“成绩添加失败”);
@PostMapping(value=“/deleteBatchScore”)
@ApiOperation(“批量删除成绩接口”)
@ApiImplicitParams({
@ApiImplicitParam(name = “ids”, value = “如:88,89,99”)
})
@ResponseBody
public AjaxResult deleteBatchScore(String ids){
String[] idsArr = ids.split(“,”);
List list = new ArrayList();
for(int i=0;i<idsArr.length;i++){
list.add(idsArr[i]);
try{
scoreService.batchRemove(list);
operaterLogService.add(“删除学生成绩成功”);
return new AjaxResult();
}catch(Exception e){
return new AjaxResult(“批量删除失败”);

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