计算机毕业设计中用Java实现在线考试系统

在线考试系统技术架构
主要技术
Spring、SpringMVC、Mybatis
JSP、JSTL、jQuery、HTML、CSS、JS
Mysql
bootstrap
开发工具和环境
Eclipse
Maven
Tomcat 7
JDK 1.8
Mysql 5.6
Win10 操作系统
传统架构
传统考试系统采用该架构

分布式架构
本系统采用分布式架构

3.系统功能介绍
图片

4.本系统数据库表关系
/为了方便查询，所以不满足范式要求，但是查询效率很高/
/因为表特别多，因此表之间的结构关系就不在详细说明了/
– 管理员

CREATE TABLE `admin` (
  `id` varchar(20) NOT NULL COMMENT '管理员账号id',
  `NAME` varchar(20) NOT NULL COMMENT '姓名',
  `sex` varchar(2) NOT NULL COMMENT '性别',
  `age` int(11) DEFAULT NULL COMMENT '年龄',
  `idcard` varchar(20) NOT NULL COMMENT '身份证号',
  `phone` varchar(20) NOT NULL COMMENT '手机号',
  `QQ` varchar(20) DEFAULT NULL COMMENT 'QQ',
  `emai` varchar(20) DEFAULT NULL COMMENT '邮箱',
  `PASSWORD` varchar(20) DEFAULT NULL COMMENT '密码',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8
-- 老师
CREATE TABLE `teacher` (
  `id` varchar(20) NOT NULL,
  `NAME` varchar(20) NOT NULL,
  `sex` varchar(2) NOT NULL,
  `age` int(11) DEFAULT NULL,
  `idcard` varchar(20) NOT NULL,
  `phone` varchar(20) NOT NULL,
  `QQ` varchar(20) DEFAULT NULL,
  `email` varchar(20) DEFAULT NULL,
  `PASSWORD` varchar(20) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8
-- 学生
CREATE TABLE `student` (
  `id` varchar(20) NOT NULL,
  `classesId` int(11) DEFAULT NULL,
  `name` varchar(20) NOT NULL,
  `sex` varchar(2) NOT NULL,
  `age` int(11) DEFAULT NULL,
  `idcard` varchar(20) NOT NULL,
  `phone` varchar(20) NOT NULL,
  `QQ` varchar(20) DEFAULT NULL,
  `email` varchar(20) DEFAULT NULL,
  `password` varchar(20) DEFAULT NULL,
  `classesName` varchar(20) DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `FK_studentClasses` (`classesId`),
  CONSTRAINT `FK_studentClasses` FOREIGN KEY (`classesId`) REFERENCES `classes` (`classesId`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8
-- 科目
CREATE TABLE `subject` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `NAME` varchar(20) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=29 DEFAULT CHARSET=utf8
-- 章节
CREATE TABLE `chapter` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `sub_id` int(11) NOT NULL,
  `NAME` varchar(255) DEFAULT NULL,
  `title` varchar(255) DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `FK_subjectChaper` (`sub_id`),
  CONSTRAINT `FK_subjectChaper` FOREIGN KEY (`sub_id`) REFERENCES `subject` (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=189 DEFAULT CHARSET=utf8
--班级
CREATE TABLE `classes` (
  `classesId` int(11) NOT NULL AUTO_INCREMENT,
  `classesName` varchar(20) NOT NULL,
  `grade` varchar(20) NOT NULL,
  PRIMARY KEY (`classesId`)
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=utf8
--科目班级映射表
CREATE TABLE `subjectclasses` (
  `classesId` int(11) NOT NULL,
  `id` int(11) NOT NULL,
  PRIMARY KEY (`classesId`,`id`),
  KEY `FK_subjectClasses2` (`id`),
  CONSTRAINT `FK_subjectClasses` FOREIGN KEY (`classesId`) REFERENCES `classes` (`classesId`),
  CONSTRAINT `FK_subjectClasses2` FOREIGN KEY (`id`) REFERENCES `subject` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8
--老师班级表
CREATE TABLE `teacher_classes` (
  `id` varchar(20) NOT NULL,
  `classesId` int(11) NOT NULL,
  `subId` int(11) NOT NULL,
  PRIMARY KEY (`id`,`classesId`,`subId`),
  KEY `FK_teacher_classes2` (`classesId`),
  KEY `FK_teacher_classes3` (`subId`),
  CONSTRAINT `FK_teacher_classes` FOREIGN KEY (`id`) REFERENCES `teacher` (`id`),
  CONSTRAINT `FK_teacher_classes2` FOREIGN KEY (`classesId`) REFERENCES `classes` (`classesId`),
  CONSTRAINT `FK_teacher_classes3` FOREIGN KEY (`subId`) REFERENCES `subject` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8
-- 老师科目表
CREATE TABLE `teacher_subject` (
  `id` varchar(20) NOT NULL,
  `sub_id` int(11) NOT NULL,
  PRIMARY KEY (`id`,`sub_id`),
  KEY `FK_teacher_subject2` (`sub_id`),
  CONSTRAINT `FK_teacher_subject` FOREIGN KEY (`id`) REFERENCES `teacher` (`id`),
  CONSTRAINT `FK_teacher_subject2` FOREIGN KEY (`sub_id`) REFERENCES `subject` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8
--发布考试表
CREATE TABLE `publishexam` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `admin_id` varchar(20) NOT NULL,
  `publishTime` datetime NOT NULL,
  `subject_id` int(11) NOT NULL,
  `examTime` datetime NOT NULL,
  `description` text,
  `exam` text,
  `examType` varchar(20) DEFAULT NULL,
  `STATUS` int(11) DEFAULT NULL,
  `admin_name` varchar(20) NOT NULL,
  `subject_name` varchar(20) NOT NULL,
  `examlength` int(11) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=14 DEFAULT CHARSET=utf8
-- 学生考试记录表
CREATE TABLE `examhis` (
  `studentId` varchar(20) NOT NULL,
  `studentName` varchar(20) DEFAULT NULL,
  `subjectId` int(11) NOT NULL,
  `subjectName` varchar(20) DEFAULT NULL,
  `classesId` int(11) DEFAULT NULL,
  `classesName` varchar(20) DEFAULT NULL,
  `examTime` datetime NOT NULL,
  `score` int(11) DEFAULT NULL,
  `examTest` text,
  `status` int(11) NOT NULL DEFAULT '0',
  `publishExamId` int(11) NOT NULL,
  PRIMARY KEY (`studentId`,`subjectId`,`examTime`),
  CONSTRAINT `FK_stu_his` FOREIGN KEY (`studentId`) REFERENCES `student` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8
-- 试题模块表 （选择题，填空题等）
CREATE TABLE `textmodel` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `textType` varchar(20) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8
-- 试题表
CREATE TABLE `text` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `Tex_id` int(11) NOT NULL,
  `title` varchar(200) NOT NULL,
  `answer` varchar(200) NOT NULL,
  `diffculty` int(11) NOT NULL,
  `modelName` varchar(200) DEFAULT NULL,
  `subjectName` varchar(200) DEFAULT NULL,
  `subjectId` int(11) NOT NULL,
  `chapterId` int(11) DEFAULT NULL,
  `chapterName` varchar(200) NOT NULL,
  `type1` varchar(200) DEFAULT NULL,
  `type2` varchar(200) DEFAULT NULL,
  `type3` varchar(200) DEFAULT NULL,
  `type4` varchar(200) DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `FK_text_type` (`Tex_id`),
  CONSTRAINT `FK_text_type` FOREIGN KEY (`Tex_id`) REFERENCES `textmodel` (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=306 DEFAULT CHARSET=utf8

5.MAVEN系统依赖和工程结构