前言介绍
对于本教资考前指导系统的设计来说,系统开发主要是采用java语言技术,在整个系统的设计中应用MySQL数据库来完成数据存储,具体根据教资考前指导系统的现状来进行开发的,具体根据现实的需求来实现四六级在线考试系统网络化的管理,各类信息有序地进行存储,进入教资考前指导系统页面之后,方可开始操作主控界面,主要功能包括:
(1)前台:首页、教师问题、信息教资信息、复习资料、教学视频、在线练习、个人中心、后台管理
(2)管理员:首页、个人中心、学生管理、教师管理、学院名称管理、问题信息管理、教资信息管理、资料类型管理、复习资料管理、教学视频管理、资质面试管理、点评信息管理、系统管理。
(3)学生:首页、个人中心、问题信息管理、资质面试管理、点评信息管理
(4)教师:首页、个人中心、问题信息管理、资质面试管理、点评信息管理、练习题库管理、在线练习管理、练习管理
系统展示
前台
登录页面
问题信息
教资信息
复习资料
管理员页面
教师管理
复习资料管理
教学视频管理
学生页面
教师页面
部分核心代码
在线练习表
/*** 在线练习表* 后端接口* @author * @email * @date 2022-04-23 22:53:50*/
@RestController
@RequestMapping("/exampaper")
public class ExampaperController {@Autowiredprivate ExampaperService exampaperService;/*** 后端列表*/@RequestMapping("/page")public R page(@RequestParam Map<String, Object> params,ExampaperEntity exampaper, HttpServletRequest request){EntityWrapper<ExampaperEntity> ew = new EntityWrapper<ExampaperEntity>();PageUtils page = exampaperService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, exampaper), params), params));return R.ok().put("data", page);}/*** 前端列表*/@IgnoreAuth@RequestMapping("/list")public R list(@RequestParam Map<String, Object> params,ExampaperEntity exampaper, HttpServletRequest request){EntityWrapper<ExampaperEntity> ew = new EntityWrapper<ExampaperEntity>();PageUtils page = exampaperService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, exampaper), params), params));return R.ok().put("data", page);}/*** 列表*/@RequestMapping("/lists")public R list( ExampaperEntity exampaper){EntityWrapper<ExampaperEntity> ew = new EntityWrapper<ExampaperEntity>();ew.allEq(MPUtil.allEQMapPre( exampaper, "exampaper")); return R.ok().put("data", exampaperService.selectListView(ew));}/*** 查询*/@RequestMapping("/query")public R query(ExampaperEntity exampaper){EntityWrapper< ExampaperEntity> ew = new EntityWrapper< ExampaperEntity>();ew.allEq(MPUtil.allEQMapPre( exampaper, "exampaper")); ExampaperView exampaperView = exampaperService.selectView(ew);return R.ok("查询在线练习表成功").put("data", exampaperView);}/*** 后端详情*/@RequestMapping("/info/{id}")public R info(@PathVariable("id") Long id){ExampaperEntity exampaper = exampaperService.selectById(id);return R.ok().put("data", exampaper);}/*** 前端详情*/@IgnoreAuth@RequestMapping("/detail/{id}")public R detail(@PathVariable("id") Long id){ExampaperEntity exampaper = exampaperService.selectById(id);return R.ok().put("data", exampaper);}/*** 后端保存*/@RequestMapping("/save")public R save(@RequestBody ExampaperEntity exampaper, HttpServletRequest request){exampaper.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());//ValidatorUtils.validateEntity(exampaper);exampaperService.insert(exampaper);return R.ok();}/*** 前端保存*/@RequestMapping("/add")public R add(@RequestBody ExampaperEntity exampaper, HttpServletRequest request){exampaper.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());//ValidatorUtils.validateEntity(exampaper);exampaperService.insert(exampaper);return R.ok();}/*** 修改*/@RequestMapping("/update")@Transactionalpublic R update(@RequestBody ExampaperEntity exampaper, HttpServletRequest request){//ValidatorUtils.validateEntity(exampaper);exampaperService.updateById(exampaper);//全部更新return R.ok();}/*** 删除*/@RequestMapping("/delete")public R delete(@RequestBody Long[] ids){exampaperService.deleteBatchIds(Arrays.asList(ids));return R.ok();}/*** 提醒接口*/@RequestMapping("/remind/{columnName}/{type}")public R remindCount(@PathVariable("columnName") String columnName, HttpServletRequest request, @PathVariable("type") String type,@RequestParam Map<String, Object> map) {map.put("column", columnName);map.put("type", type);if(type.equals("2")) {SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");Calendar c = Calendar.getInstance();Date remindStartDate = null;Date remindEndDate = null;if(map.get("remindstart")!=null) {Integer remindStart = Integer.parseInt(map.get("remindstart").toString());c.setTime(new Date()); c.add(Calendar.DAY_OF_MONTH,remindStart);remindStartDate = c.getTime();map.put("remindstart", sdf.format(remindStartDate));}if(map.get("remindend")!=null) {Integer remindEnd = Integer.parseInt(map.get("remindend").toString());c.setTime(new Date());c.add(Calendar.DAY_OF_MONTH,remindEnd);remindEndDate = c.getTime();map.put("remindend", sdf.format(remindEndDate));}}Wrapper<ExampaperEntity> wrapper = new EntityWrapper<ExampaperEntity>();if(map.get("remindstart")!=null) {wrapper.ge(columnName, map.get("remindstart"));}if(map.get("remindend")!=null) {wrapper.le(columnName, map.get("remindend"));}int count = exampaperService.selectCount(wrapper);return R.ok().put("count", count);}}
entity层
/*** 点评信息* 数据库通用操作实体类(普通增删改查)* @author * @email * @date 2022-04-23 22:53:50*/
@TableName("dianpingxinxi")
public class DianpingxinxiEntity<T> implements Serializable {private static final long serialVersionUID = 1L;public DianpingxinxiEntity() {}public DianpingxinxiEntity(T t) {try {BeanUtils.copyProperties(this, t);} catch (IllegalAccessException | InvocationTargetException e) {// TODO Auto-generated catch blocke.printStackTrace();}}/*** 主键id*/@TableIdprivate Long id;/*** 标题*/private String biaoti;/*** 学号*/private String xuehao;/*** 姓名*/private String xingming;/*** 点评内容*/private String dianpingneirong;/*** 意见*/private String yijian;/*** 点评时间*/@JsonFormat(locale="zh", timezone="GMT+8", pattern="yyyy-MM-dd HH:mm:ss")@DateTimeFormat private Date dianpingshijian;/*** 工号*/private String gonghao;/*** 教师姓名*/private String jiaoshixingming;@JsonFormat(locale="zh", timezone="GMT+8", pattern="yyyy-MM-dd HH:mm:ss")@DateTimeFormatprivate Date addtime;public Date getAddtime() {return addtime;}public void setAddtime(Date addtime) {this.addtime = addtime;}public Long getId() {return id;}public void setId(Long id) {this.id = id;}/*** 设置:标题*/public void setBiaoti(String biaoti) {this.biaoti = biaoti;}/*** 获取:标题*/public String getBiaoti() {return biaoti;}/*** 设置:学号*/public void setXuehao(String xuehao) {this.xuehao = xuehao;}/*** 获取:学号*/public String getXuehao() {return xuehao;}/*** 设置:姓名*/public void setXingming(String xingming) {this.xingming = xingming;}/*** 获取:姓名*/public String getXingming() {return xingming;}/*** 设置:点评内容*/public void setDianpingneirong(String dianpingneirong) {this.dianpingneirong = dianpingneirong;}/*** 获取:点评内容*/public String getDianpingneirong() {return dianpingneirong;}/*** 设置:意见*/public void setYijian(String yijian) {this.yijian = yijian;}/*** 获取:意见*/public String getYijian() {return yijian;}/*** 设置:点评时间*/public void setDianpingshijian(Date dianpingshijian) {this.dianpingshijian = dianpingshijian;}/*** 获取:点评时间*/public Date getDianpingshijian() {return dianpingshijian;}/*** 设置:工号*/public void setGonghao(String gonghao) {this.gonghao = gonghao;}/*** 获取:工号*/public String getGonghao() {return gonghao;}/*** 设置:教师姓名*/public void setJiaoshixingming(String jiaoshixingming) {this.jiaoshixingming = jiaoshixingming;}/*** 获取:教师姓名*/public String getJiaoshixingming() {return jiaoshixingming;}}
登陆拦截功能
/*** 权限(Token)验证*/
@Component
public class AuthorizationInterceptor implements HandlerInterceptor {public static final String LOGIN_TOKEN_KEY = "Token";@Autowiredprivate TokenService tokenService;@Overridepublic boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {//支持跨域请求response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");response.setHeader("Access-Control-Max-Age", "3600");response.setHeader("Access-Control-Allow-Credentials", "true");response.setHeader("Access-Control-Allow-Headers", "x-requested-with,request-source,Token, Origin,imgType, Content-Type, cache-control,postman-token,Cookie, Accept,authorization");response.setHeader("Access-Control-Allow-Origin", request.getHeader("Origin"));IgnoreAuth annotation;if (handler instanceof HandlerMethod) {annotation = ((HandlerMethod) handler).getMethodAnnotation(IgnoreAuth.class);} else {return true;}//从header中获取tokenString token = request.getHeader(LOGIN_TOKEN_KEY);/*** 不需要验证权限的方法直接放过*/if(annotation!=null) {return true;}TokenEntity tokenEntity = null;if(StringUtils.isNotBlank(token)) {tokenEntity = tokenService.getTokenEntity(token);}if(tokenEntity != null) {request.getSession().setAttribute("userId", tokenEntity.getUserid());request.getSession().setAttribute("role", tokenEntity.getRole());request.getSession().setAttribute("tableName", tokenEntity.getTablename());request.getSession().setAttribute("username", tokenEntity.getUsername());return true;}PrintWriter writer = null;response.setCharacterEncoding("UTF-8");response.setContentType("application/json; charset=utf-8");try {writer = response.getWriter();writer.print(JSONObject.toJSONString(R.error(401, "请先登录")));} finally {if(writer != null){writer.close();}}
// throw new EIException("请先登录", 401);return false;}
}
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