Java毕业设计实战之在线高中考试系统的实现

项目分为前台和后台，前台主要为学生角色、后台主要为管理员角色。

管理员添加试题和发布试卷，学生负责在线考试、在线查看成绩和错题记录列表等。

管理员功能有：年级管理、课程管理、试题管理、试卷管理、学生管理等。

运行环境：jdk1.8、mysql5.x、eclipse、tomcat8.5\7.0、maven3.5\3.6。

统一管理学生 教师 管理员信息：

/**
 * 统一管理学生 教师 管理员信息
 */
@restcontroller
public class usercontroller {
 
    @resource(name = "userservice")
    private iuserservice userservice;
 
    /**
     * 查询用户信息
     * 先判断用户类型 在查询用户信息
     */
    @requestmapping(value = "/user/qryuserinfo", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    public result<user> qryuserinfo() {
        return userservice.qryuserinfo();
    }
 
    /**
     * 更新用户信息
     */
    @requestmapping(value = "/user/update", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    public result<user> update(httprequest request) {
        user user = new user();
        user.setuserid(request.getstring("user_id"));
        user.setname(request.getstring("name"));
        user.setsex(request.getinteger("sex"));
        user.settype(user.usertype.get(request.getinteger("type")));
        return userservice.update(user, imageutil.stringtobytes(request.getstring("user_image")));
    }
 
    /**
     * 更新用户密码
     */
    @requestmapping(value = "/user/updatepwd", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    public result<user> updatepwd(httprequest request) {
        return userservice.updatepwd(request.getstring("old_pwd"), request.getstring("pwd"));
    }
}

管理员控制器：

/**
 * 管理员控制器
 */
@restcontroller
public class admincontroller {
 
    @resource(name = "adminservice")
    private iadminservice adminservice;
 
    /**
     * 管理员 查询管理员列表
     */
    @requestmapping(value = "/admin/qrypage", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    @roleannotation(types = {roleenum.admin})
    public listresult<admin> qrypage(httprequest request) {
        map<string, object> param = new hashmap<>();
        int pageno = request.containskey("page_no") ? request.getinteger("page_no") : 1;
        int pagesize = request.containskey("page_size") ? request.getinteger("page_size") : 20;
        if (request.containskey("login_name")) {
            param.put("login_name", request.getstring("login_name"));
        }
        if (request.containskey("name")) {
            param.put("name", request.getstring("name"));
        }
        return adminservice.qrypage(param, pageno, pagesize);
    }
 
    /**
     * 管理员 添加管理员
     */
    @requestmapping(value = "/admin/add", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    @roleannotation(types = {roleenum.admin})
    public result<admin> insert(httprequest request) {
        admin admin = new admin();
        admin.setloginname(request.getstring("login_name"));
        admin.setname(request.getstring("admin_name"));
        admin.setpwd(request.getstring("login_name"));
        admin.setsex(request.getinteger("sex"));
        admin.setupdatetime(new date());
        return adminservice.insert(admin, imageutil.stringtobytes(request.getstring("admin_image")));
    }
 
    /**
     * 管理员 更新管理员
     */
    @requestmapping(value = "/admin/update", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    @roleannotation(types = {roleenum.admin})
    public result<admin> update(httprequest request) {
        admin admin = new admin();
        admin.setloginname(request.getstring("login_name"));
        admin.setname(request.getstring("admin_name"));
        admin.setpwd(request.getstring("login_name"));
        admin.setsex(request.getinteger("sex"));
        admin.setupdatetime(new date());
        return adminservice.update(admin, imageutil.stringtobytes(request.getstring("admin_image")));
    }
 
    /**
     * 管理员 删除管理员
     */
    @requestmapping(value = "/admin/del", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    @roleannotation(types = {roleenum.admin})
    public result<admin> del(httprequest request) {
        list<string> adminidlist = new arraylist<>();
        jsonarray array = request.getjsonarray("admin_id_list");
        for (int i = 0; i < array.size(); i++) {
            adminidlist.add(array.getstring(i));
        }
        return adminservice.del(adminidlist);
    }
}

考试管理控制器：

/**
 * 考试管理控制器
 */
@restcontroller
public class examinfocontroller {
 
    @resource(name = "examinfoservice")
    private iexaminfoservice examinfoservice;
 
    /**
     * 教师 查询考试列表
     */
    @requestmapping(value = "/examinfo/qrypage", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    @roleannotation(types = {roleenum.teacher})
    public listresult<examinfo> exam(httprequest request) {
        map<string, object> param = new hashmap<>();
        int pageno = request.containskey("page_no") ? request.getinteger("page_no") : 1;
        int pagesize = request.containskey("page_size") ? request.getinteger("page_size") : 20;
        return examinfoservice.qrypage(param, pageno, pagesize);
    }
 
    /**
     * 教师 添加新的考试信息
     */
    @requestmapping(value = "/examinfo/add", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    @roleannotation(types = {roleenum.teacher})
    public result<examinfo> insert(httprequest request) {
        examinfo exam = new examinfo();
        exam.settestpaperid(request.getinteger("test_paper_id"));
        exam.setclassid(request.getstring("class_id"));
        exam.setstate(1);
        exam.settime(request.getinteger("time"));
        exam.setefftime(dateutils.todate(request.getstring("eff_time"), dateconst.date_time_format_yyyy_mm_dd_hh_mi));
        exam.setexptime(dateutils.todate(request.getstring("exp_time"), dateconst.date_time_format_yyyy_mm_dd_hh_mi));
        exam.setupdatetime(new date());
        return examinfoservice.insert(exam);
    }
 
    /**
     * 教师 更新考试信息
     */
    @requestmapping(value = "/examinfo/update", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    @roleannotation(types = {roleenum.teacher})
    public result<examinfo> update(httprequest request) {
        examinfo exam = new examinfo();
        exam.setexamid(request.getinteger("exam_id"));
        exam.settestpaperid(request.getinteger("test_paper_id"));
        exam.setclassid(request.getstring("class_id"));
        exam.setstate(1);
        exam.settime(request.getinteger("time"));
        exam.setefftime(dateutils.todate(request.getstring("eff_time"), dateconst.date_time_format_yyyy_mm_dd_hh_mi));
        exam.setexptime(dateutils.todate(request.getstring("exp_time"), dateconst.date_time_format_yyyy_mm_dd_hh_mi));
        exam.setupdatetime(new date());
        exam.setupdatetime(new date());
        return examinfoservice.update(exam);
    }
 
    /**
     * 教师 新建状态的考试信息可以删除
     */
    @requestmapping(value = "/examinfo/del", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    @roleannotation(types = {roleenum.teacher})
    public result<examinfo> del(httprequest request) {
        list<integer> examidlist = new arraylist<>();
        jsonarray array = request.getjsonarray("exam_id_list");
        for (int i = 0; i < array.size(); i++) {
            examidlist.add(array.getinteger(i));
        }
        return examinfoservice.del(examidlist);
    }
 
    /**
     * 教师 发布考试信息
     */
    @requestmapping(value = "/examinfo/release", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    @roleannotation(types = {roleenum.teacher})
    public result<examinfo> updatestate(httprequest request) {
        return examinfoservice.release(request.getinteger("exam_id"));
    }
 
    /**
     * 学生 查询考试试题分组列表
     */
    @requestmapping(value = "/examinfo/qryexamquegrouplist", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    @roleannotation(types = {roleenum.student, roleenum.teacher})
    public result<testpaperquestiongroup> qryexamquegrouplist(httprequest request) {
        return examinfoservice.qryexamquegrouplist(request.getinteger("exam_id"));
    }
 
    /**
     * 学生 查询考试试题列表
     */
    @requestmapping(value = "/examinfo/qryexamquestionlist", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    @roleannotation(types = {roleenum.student})
    public result<studentexamquestionrecord> qryexamquestionlist(httprequest request) {
        return examinfoservice.qryexamquestionlist(request.getinteger("exam_id"), request.getstring("student_id"), request.getinteger("question_group_id"));
    }
 
    /**
     * 教师 判卷查询试题列表
     */
    @requestmapping(value = "/examinfo/qrymarkquelist", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    @roleannotation(types = {roleenum.teacher})
    public result<studentexamquestionrecord> qrymarkquelist(httprequest request) {
        return examinfoservice.qrymarkquelist(request.getinteger("exam_id"), request.getstring("student_id"), request.getinteger("question_group_id"));
    }
 
    /**
     * 教师 记录学生考试分数 complete
     */
    @requestmapping(value = "/examinfo/updatequescore", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    @roleannotation(types = {roleenum.teacher})
    public result<examinfo> updatequescore(httprequest request) {
        studentexamquestionrecord record = new studentexamquestionrecord();
        record.setexamid(request.getinteger("exam_id"));
        record.setstudentid(request.getstring("student_id"));
        record.setquestiongroupid(request.getinteger("question_group_id"));
        record.setquestionid(request.getlong("question_id"));
        record.setscore(request.getfloat("score"));
        record.setcorrect(request.getboolean("correct"));
        return examinfoservice.updatequescore(record);
    }
 
    /**
     * 教师 完成评分
     */
    @requestmapping(value = "/examinfo/complete", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    @roleannotation(types = {roleenum.teacher})
    public result<examinfo> complete(httprequest request) {
        return examinfoservice.complete(request.getinteger("exam_id"),
                request.getstring("student_id"));
    }
 
}

登录控制层：

@restcontroller
public class logincontroller {
 
    @resource(name = "loginservice")
    private iloginservice loginservice;
 
    /**
     * 用户登录调用 在登陆成功生成两个token 同时返回各自首页
     * * 学生 student/student
     * * 老师 teacher/teacher
     * * 管理员 admin/admin
     */
    @requestmapping(value = "/login/login", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    public result<token> login(httprequest request) {
        return loginservice.login(request.getstring("login_name"), request.getstring("pwd"));
    }
 
    /**
     * 登录检查
     */
    @requestmapping(value = "/login/check", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    public result<token> check() {
        return new result<>();
    }
 
    /**
     * token 续约
     */
    @requestmapping(value = "/login/refresh", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    public result<token> refresh(httprequest request) {
        string refreshtoken = request.getstring("refresh_token");
        string urlid = request.getstring("url_id");
        token token = tokencache.getinstance().get(urlid);
        if(token == null){
            exceptionhelper.error(errorcode.error_code_0003);
        }
        try {
            claims claims = tokenutils.parsetoken(refreshtoken);
            if (stringutils.isnotempty((string.valueof(claims.getordefault("student_id", ""))))) {
                claims.put("student_id", sessioncontext.get("student_id"));
            }
            if (stringutils.isnotempty((string.valueof(claims.getordefault("teacher_id", ""))))) {
                claims.put("teacher_id", sessioncontext.get("teacher_id"));
            }
            if (stringutils.isnotempty((string.valueof(claims.getordefault("login_name", ""))))) {
                claims.put("login_name", sessioncontext.get("login_name"));
            }
            claims.put("name", claims.get("name"));
            token.settoken(tokenutils.createtoken(claims, tokenutils.expiretime));
            token.setrefreshtoken(tokenutils.createtoken(claims, tokenutils.long_expiretime));
            tokencache.getinstance().add(token);
        } catch (exception e) {
            exceptionhelper.error(errorcode.error_code_0003);
        }
        return new result<>(token);
    }
 
    /**
     * 退出系统
     */
    @requestmapping(value = "/login/exit", method = requestmethod.post, produces = {"application/json;charset=utf-8"})
    public result<token> exit(httprequest request) {
        string urlid = request.getstring("url_id");
        if (stringutils.isnotempty(urlid)) {
            tokencache.getinstance().remove(urlid);
        }
        return new result<>();
    }
}

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