项目介绍：后端采用Jsp+Servlet。前端使用的是Layui的一个网站模板。开发一个在线的学生选课管理系统，用于课程设计的使用。

项目类型：JavaWeb源码 

用户类型：2个角色（管理员+学生）

主要技术：Jsp+Servlet+MySQL+Jquery(前端Bootstrap或者Layui)

开发工具：Eclipse/Idea均可使用，有两个不同的版本

数据库：MySQL

数据库表：6/4张

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目录

00完整的程序目录

01版本1（6张表）

1.0用户登录

1.1学生管理模块

1.2班级管理模块

1.3课程管理模块

1.4选课信息管理模块+成绩录入

1.5公告管理模块

1.6密码修改

1.7选课与退选模块

02版本2（6张表）

2.1 登录

2.2学生信息管理模块

2.3选课成绩管理模块

2.4课程信息管理模块

2.5选课管理模块

2.6教师管理模块

2.7在线选课

03版本3（4张表）

3.1登录

3.2资料修改模块

3.3学生管理模块

3.4课程管理模块

3.5选课及退选管理模块

3.6成绩录入

04项目结构

Eclipse版本目录

Idea版本目录

05数据库设计

06系统演示

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00完整的程序目录

01版本1（6张表）

1.0用户登录

1.1学生管理模块

1.2班级管理模块

1.3课程管理模块

1.4选课信息管理模块+成绩录入

1.5公告管理模块

1.6密码修改

1.7选课与退选模块

02版本2（6张表）

2.1 登录

2.2学生信息管理模块

2.3选课成绩管理模块

2.4课程信息管理模块

2.5选课管理模块

2.6教师管理模块

2.7在线选课

03版本3（4张表）

3.1登录

3.2资料修改模块

3.3学生管理模块

3.4课程管理模块

3.5选课及退选管理模块

3.6成绩录入

04项目结构

Eclipse版本目录

Idea版本目录

05数据库设计

06系统演示

SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;-- ----------------------------
-- Table structure for admin
-- ----------------------------
DROP TABLE IF EXISTS `admin`;
CREATE TABLE `admin`  (`id` int(11) NOT NULL AUTO_INCREMENT,`nickname` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,`username` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,`pwd` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 2 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;-- ----------------------------
-- Records of admin
-- ----------------------------
INSERT INTO `admin` VALUES (1, '泰迪', 'admin', '123456');-- ----------------------------
-- Table structure for category
-- ----------------------------
DROP TABLE IF EXISTS `category`;
CREATE TABLE `category`  (`id` int(11) NOT NULL AUTO_INCREMENT,`cname` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 5 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;-- ----------------------------
-- Records of category
-- ----------------------------
INSERT INTO `category` VALUES (1, '计科1班');
INSERT INTO `category` VALUES (2, '计科2班');
INSERT INTO `category` VALUES (3, '计科3班');
INSERT INTO `category` VALUES (4, '计科4班');-- ----------------------------
-- Table structure for course
-- ----------------------------
DROP TABLE IF EXISTS `course`;
CREATE TABLE `course`  (`id` int(11) NOT NULL AUTO_INCREMENT,`teacher` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,`place` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,`numb` int(255) DEFAULT NULL,`times` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,`type` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,`cname` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 4 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;-- ----------------------------
-- Records of course
-- ----------------------------
INSERT INTO `course` VALUES (1, '张老师', '民德楼201', 20, '每周三上午1-2节课', '必修', '计算机网络');
INSERT INTO `course` VALUES (2, '3', '3', 3, '3', '3', '3');
INSERT INTO `course` VALUES (3, '2', '2', 2, '2', '2', '2');-- ----------------------------
-- Table structure for gonggao
-- ----------------------------
DROP TABLE IF EXISTS `gonggao`;
CREATE TABLE `gonggao`  (`id` int(11) NOT NULL AUTO_INCREMENT,`title` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,`content` text CHARACTER SET utf8 COLLATE utf8_general_ci,`gtime` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 7 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;-- ----------------------------
-- Records of gonggao
-- ----------------------------
INSERT INTO `gonggao` VALUES (4, '44', '<p>444123123</p>', '2022-03-27 12:32');
INSERT INTO `gonggao` VALUES (5, '55', '<p>55</p>', '2022-03-27 12:33');
INSERT INTO `gonggao` VALUES (6, '123', '<p>123</p>', '2022-05-16 16:29');-- ----------------------------
-- Table structure for orders
-- ----------------------------
DROP TABLE IF EXISTS `orders`;
CREATE TABLE `orders`  (`id` int(11) NOT NULL AUTO_INCREMENT,`ordernum` varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,`cid` int(11) DEFAULT NULL,`createtime` varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,`courseid` int(255) DEFAULT NULL,`score` int(255) DEFAULT NULL,PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 75 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;-- ----------------------------
-- Records of orders
-- ----------------------------
INSERT INTO `orders` VALUES (66, '20220706143349552', 21, '2022-07-06 14:33', 1, 80);
INSERT INTO `orders` VALUES (67, '20220706143627554', 21, '2022-07-06 14:36', 2, 80);
INSERT INTO `orders` VALUES (72, '20220706170523078', 19, '2022-07-06 17:05', 1, 80);
INSERT INTO `orders` VALUES (74, '20220706170713035', 19, '2022-07-06 17:07', 2, 80);-- ----------------------------
-- Table structure for student
-- ----------------------------
DROP TABLE IF EXISTS `student`;
CREATE TABLE `student`  (`id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'id',`cname` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,`category` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,`address` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,`createtime` varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,`sex` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,`age` int(11) DEFAULT NULL,`major` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,`pwd` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 22 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;-- ----------------------------
-- Records of student
-- ----------------------------
INSERT INTO `student` VALUES (19, '3', '计科1班', '3', '2022-06-19 15:09', '男', 3, '3', '3');
INSERT INTO `student` VALUES (20, '3', '计科2班', '23', '2022-06-19 15:25', '男', 3, '3', '3');
INSERT INTO `student` VALUES (21, '嘎子', '计科3班', '2', '2022-06-19 15:28', '男', 2, '2', '2');SET FOREIGN_KEY_CHECKS = 1;