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基于javaweb实现学生成绩管理系统,实现了学生信息管理,课程管理,教师信息管理,学生成绩汇总,学生登录注册,教师和管理员的登录,个人信息修改等。

系统功能大致描述：基于javaweb实现学生成绩管理系统,实现了学生信息管理,课程管理,教师信息管理,学生成绩汇总,学生登录注册,教师和管理员的登录,个人信息修改等。 使用的技术有jsp,servlet,jdbc,mysql,html,css,js,没有使用任何java框架,代码规范,特别适合新手,可以用于毕业设计和课程作业.

由于系统源码太多，这里只做部分演示，下面是系统运行效果截图

基于javaweb实现学生成绩管理系统,实现了学生信息管理,课程管理,教师信息管理,学生成绩汇总,

学生登录注册,教师和管理员的登录,个人信息修改等。

使用的技术有jsp,servlet,jdbc,mysql,html,css,js,

没有使用任何java框架,代码规范,特别适合新手,可以用于毕业设计和课程作业.

学生账号：160341  123456

教师：1123  123456

管理员信息：1000   123456

数据库字段说明

数据库创建表语句

DROP TABLE IF EXISTS `course`;
CREATE TABLE `course`  (
`course_id` int(11) NOT NULL AUTO_INCREMENT COMMENT '课程编号',
`course_name` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '课程名',
`course_credit` int(11) NOT NULL COMMENT '学分',
`course_hours` int(11) NOT NULL COMMENT '学时',
`course_teacher` varchar(30) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '任课教师',
`coursedate` date NOT NULL COMMENT '开课时间',
PRIMARY KEY (`course_id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 7 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Compact;
-- ----------------------------
-- Records of course
-- ----------------------------
INSERT INTO `course` VALUES (1, 'C++程序设计教程', 3, 60, '汪维清', '2017-03-02');
INSERT INTO `course` VALUES (2, 'java入门基础', 3, 60, '肖兴江', '2017-02-09');
INSERT INTO `course` VALUES (3, '计算机组成原理', 3, 60, '胡继宽', '2017-02-09');
INSERT INTO `course` VALUES (4, '信息检索', 2, 60, '郑蔚', '2017-02-09');
INSERT INTO `course` VALUES (5, '操作系统原理', 4, 60, '丁华峰', '2018-03-15');
INSERT INTO `course` VALUES (6, '管理信息系统', 4, 60, '杜治国', '2019-02-11');
-- ----------------------------
-- Table structure for role
-- ----------------------------
DROP TABLE IF EXISTS `role`;
CREATE TABLE `role`  (
`role_id` int(11) NOT NULL COMMENT '角色编号',
`role_name` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '角色名称',
`role_info` varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '角色信息',
PRIMARY KEY (`role_id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Compact;
-- ----------------------------
-- Records of role
-- ----------------------------
INSERT INTO `role` VALUES (0, '学生', '学生查看成绩');
INSERT INTO `role` VALUES (1, '教师', '教师操作');
INSERT INTO `role` VALUES (2, '管理员', '管理员操作');
-- ----------------------------
-- Table structure for score
-- ----------------------------
DROP TABLE IF EXISTS `score`;
CREATE TABLE `score`  (
`score_id` int(11) NOT NULL AUTO_INCREMENT COMMENT '成绩编号',
`stu_num` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '学号',
`stu_name` varchar(30) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '姓名',
`stu_class` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '班级',
`course_name` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '科目',
`score_grade` double(11, 2) NOT NULL COMMENT '成绩',
`major` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '专业',
PRIMARY KEY (`score_id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 113 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Compact;
-- ----------------------------
-- Records of score
-- ----------------------------
INSERT INTO `score` VALUES (1, '170340', '张三', '计科1701', 'java入门基础', 96.50, '计算机');
INSERT INTO `score` VALUES (2, '170340', '张三', '计科1701', 'C++程序设计教程', 85.00, '计算机');
INSERT INTO `score` VALUES (3, '160341', '王五', '信管1601', 'java入门基础', 62.60, '信息管理与信息系统');
INSERT INTO `score` VALUES (4, '160341', '王五', '信管1601', 'C++程序设计教程', 85.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (5, '170340', '张三', '计科1701', '计算机组成原理', 69.00, '计算机');
INSERT INTO `score` VALUES (6, '170340', '张三', '计科1701', '信息检索', 95.00, '计算机');
INSERT INTO `score` VALUES (7, '170340', '张三', '计科1701', '操作系统原理', 89.00, '计算机');
INSERT INTO `score` VALUES (8, '160341', '王五', '计科1701', 'C++程序设计教程', 95.00, '计算机');
INSERT INTO `score` VALUES (9, '160341', '王五', '信管1601', 'java入门基础', 92.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (10, '160341', '王五', '信管1601', '计算机组成原理', 83.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (11, '170339', '李四', '计科1701', 'java入门基础', 78.20, '计算机');
INSERT INTO `score` VALUES (12, '170339', '李四', '计科1701', '信息检索', 98.00, '计算机');
INSERT INTO `score` VALUES (13, '170339', '李四', '计科1701', '计算机组成原理', 76.00, '计算机');
INSERT INTO `score` VALUES (14, '170339', '李四', '计科1701', '操作系统原理', 69.80, '计算机');
INSERT INTO `score` VALUES (15, '170339', '李四', '计科1701', 'C++程序设计教程', 89.00, '计算机');
INSERT INTO `score` VALUES (16, '170343', '陈留', '计科1701', 'java入门基础', 80.50, '计算机');
INSERT INTO `score` VALUES (17, '170343', '陈留', '计科1701', '计算机组成原理', 83.50, '计算机');
INSERT INTO `score` VALUES (18, '170343', '陈留', '计科1701', 'C++程序设计教程', 82.50, '计算机');
INSERT INTO `score` VALUES (19, '170343', '陈留', '计科1701', '操作系统原理', 80.00, '计算机');
INSERT INTO `score` VALUES (20, '160342', '盛祎琛', '信管1602', '信息检索', 95.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (21, '160342', '盛祎琛', '信管1602', '操作系统原理', 85.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (22, '160342', '盛祎琛', '信管1602', '计算机组成原理', 65.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (23, '160342', '盛祎琛', '信管1602', 'java入门基础', 95.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (24, '160343', '闫玉平', '信管1601', '信息检索', 90.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (25, '160343', '闫玉平', '信管1601', '操作系统原理', 64.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (26, '160343', '闫玉平', '信管1601', '计算机组成原理', 63.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (27, '160343', '闫玉平', '信管1601', 'java入门基础', 70.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (28, '160344', '陈淑婷', '信管1601', '信息检索', 88.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (29, '160344', '陈淑婷', '信管1601', '操作系统原理', 77.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (30, '160344', '陈淑婷', '信管1601', '计算机组成原理', 66.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (31, '160344', '陈淑婷', '信管1601', 'java入门基础', 88.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (32, '160345', '周梦琪', '信管1601', '信息检索', 95.50, '信息管理与信息系统');
INSERT INTO `score` VALUES (33, '160345', '周梦琪', '信管1601', '计算机组成原理', 65.50, '信息管理与信息系统');
INSERT INTO `score` VALUES (34, '160345', '周梦琪', '信管1601', 'java入门基础', 78.50, '信息管理与信息系统');
INSERT INTO `score` VALUES (35, '160345', '周梦琪', '信管1601', '操作系统原理', 85.50, '信息管理与信息系统');
INSERT INTO `score` VALUES (36, '160346', '曾智', '信管1601', '信息检索', 90.90, '信息管理与信息系统');
INSERT INTO `score` VALUES (37, '160346', '曾智', '信管1601', '计算机组成原理', 98.90, '信息管理与信息系统');
INSERT INTO `score` VALUES (38, '160346', '曾智', '信管1601', 'java入门基础', 60.90, '信息管理与信息系统');
INSERT INTO `score` VALUES (39, '160346', '曾智', '信管1601', '操作系统原理', 70.90, '信息管理与信息系统');
INSERT INTO `score` VALUES (40, '160347', '百鬼丸', '信管1601', '信息检索', 85.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (41, '160347', '百鬼丸', '信管1601', '操作系统原理', 65.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (42, '160347', '百鬼丸', '信管1601', 'java入门基础', 75.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (43, '160347', '百鬼丸', '信管1601', '计算机组成原理', 95.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (44, '160348', '多罗罗', '信管1601', '信息检索', 65.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (45, '160349', '伊藤健太郎', '信管1601', '信息检索', 95.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (46, '160350', '贺来贤人', '信管1601', '信息检索', 66.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (47, '160351', '服部平次', '信管1601', '信息检索', 88.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (48, '160352', '柯南', '信管1601', '信息检索', 99.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (49, '170353', '时崎狂三', '计科1601', 'java入门基础', 96.50, '计算机');
INSERT INTO `score` VALUES (50, '170354', '坂本', '计科1601', 'java入门基础', 66.50, '计算机');
INSERT INTO `score` VALUES (51, '170355', '夏瀚宇', '计科1601', 'java入门基础', 99.00, '计算机');
INSERT INTO `score` VALUES (52, '170356', '管栎', '计科1602', 'java入门基础', 96.00, '计算机');
INSERT INTO `score` VALUES (53, '170357', '连淮伟', '计科1602', 'java入门基础', 76.50, '计算机');
INSERT INTO `score` VALUES (54, '170358', '杨芸晴', '计科1603', 'java入门基础', 69.00, '计算机');
INSERT INTO `score` VALUES (55, '170359', '赖美云', '计科1603', 'java入门基础', 88.00, '计算机');
INSERT INTO `score` VALUES (56, '170360', '灰二', '计科1603', 'java入门基础', 96.00, '计算机');
INSERT INTO `score` VALUES (57, '160352', '潘思言', '信管1701', '信息检索', 95.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (58, '160352', '杨皓鹏', '信管1701', '信息检索', 90.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (59, '160352', '王子', '信管1701', '信息检索', 93.50, '信息管理与信息系统');
INSERT INTO `score` VALUES (60, '160352', '宫崎骏', '信管1801', '信息检索', 75.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (61, '160352', '胡春阳', '信管1801', '信息检索', 66.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (62, '160352', '阿云嘎', '信管1801', '信息检索', 78.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (63, '160352', '吴磊', '信管1703', '信息检索', 79.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (64, '160352', '魏大勋', '信管1703', '信息检索', 65.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (65, '160352', '白敬亭', '信管1703', '信息检索', 75.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (66, '160352', '铃屋十造', '信管1802', '信息检索', 65.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (67, '160348', '多罗罗', '信管1601', 'java入门基础', 65.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (68, '160349', '伊藤健太郎', '信管1601', 'java入门基础', 95.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (69, '160350', '贺来贤人', '信管1601', 'java入门基础', 66.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (70, '160351', '服部平次', '信管1601', 'java入门基础', 88.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (71, '160352', '柯南', '信管1601', 'java入门基础', 99.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (72, '170353', '时崎狂三', '计科1601', '操作系统原理', 96.50, '计算机');
INSERT INTO `score` VALUES (73, '170354', '坂本', '计科1601', '操作系统原理', 66.50, '计算机');
INSERT INTO `score` VALUES (74, '170355', '夏瀚宇', '计科1601', '操作系统原理', 99.00, '计算机');
INSERT INTO `score` VALUES (75, '170356', '管栎', '计科1602', '操作系统原理', 96.00, '计算机');
INSERT INTO `score` VALUES (76, '170357', '连淮伟', '计科1602', '操作系统原理', 76.50, '计算机');
INSERT INTO `score` VALUES (77, '170358', '杨芸晴', '计科1603', '操作系统原理', 69.00, '计算机');
INSERT INTO `score` VALUES (78, '170359', '赖美云', '计科1603', '操作系统原理', 88.00, '计算机');
INSERT INTO `score` VALUES (79, '170360', '灰二', '计科1603', '操作系统原理', 96.00, '计算机');
INSERT INTO `score` VALUES (80, '160352', '潘思言', '信管1701', 'java入门基础', 95.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (81, '160352', '杨皓鹏', '信管1701', 'java入门基础', 90.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (82, '160352', '王子', '信管1701', 'java入门基础', 93.50, '信息管理与信息系统');
INSERT INTO `score` VALUES (83, '160352', '宫崎骏', '信管1801', 'java入门基础', 75.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (84, '160352', '胡春阳', '信管1801', 'java入门基础', 66.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (85, '160352', '阿云嘎', '信管1801', 'java入门基础', 78.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (86, '160352', '吴磊', '信管1703', 'java入门基础', 79.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (87, '160352', '魏大勋', '信管1703', 'java入门基础', 65.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (88, '160352', '白敬亭', '信管1703', 'java入门基础', 75.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (89, '160352', '铃屋十造', '信管1802', 'java入门基础', 65.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (90, '160348', '多罗罗', '信管1601', '计算机组成原理', 65.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (91, '160349', '伊藤健太郎', '信管1601', '计算机组成原理', 95.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (92, '160350', '贺来贤人', '信管1601', '计算机组成原理', 66.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (93, '160351', '服部平次', '信管1601', '计算机组成原理', 88.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (94, '160352', '柯南', '信管1601', '计算机组成原理', 99.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (95, '170353', '时崎狂三', '计科1601', 'C++程序设计教程', 96.50, '计算机');
INSERT INTO `score` VALUES (96, '170354', '坂本', '计科1601', 'C++程序设计教程', 66.50, '计算机');
INSERT INTO `score` VALUES (97, '170355', '夏瀚宇', '计科1601', 'C++程序设计教程', 99.00, '计算机');
INSERT INTO `score` VALUES (98, '170356', '管栎', '计科1602', 'C++程序设计教程', 96.00, '计算机');
INSERT INTO `score` VALUES (99, '170357', '连淮伟', '计科1602', 'C++程序设计教程', 76.50, '计算机');
INSERT INTO `score` VALUES (100, '170358', '杨芸晴', '计科1603', 'C++程序设计教程', 69.00, '计算机');
INSERT INTO `score` VALUES (101, '170359', '赖美云', '计科1603', 'C++程序设计教程', 88.00, '计算机');
INSERT INTO `score` VALUES (102, '170360', '灰二', '计科1603', 'C++程序设计教程', 96.00, '计算机');
INSERT INTO `score` VALUES (103, '160352', '潘思言', '信管1701', '计算机组成原理', 95.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (104, '160352', '杨皓鹏', '信管1701', '计算机组成原理', 90.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (105, '160352', '王子', '信管1701', '计算机组成原理', 93.50, '信息管理与信息系统');
INSERT INTO `score` VALUES (106, '160352', '宫崎骏', '信管1801', '计算机组成原理', 75.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (107, '160352', '胡春阳', '信管1801', '计算机组成原理', 66.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (108, '160352', '阿云嘎', '信管1801', '计算机组成原理', 78.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (109, '160352', '吴磊', '信管1703', '计算机组成原理', 79.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (110, '160352', '魏大勋', '信管1703', '计算机组成原理', 65.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (111, '160352', '白敬亭', '信管1703', '计算机组成原理', 75.00, '信息管理与信息系统');
INSERT INTO `score` VALUES (112, '160352', '铃屋十造', '信管1802', '计算机组成原理', 65.00, '信息管理与信息系统');
-- ----------------------------
-- Table structure for student
-- ----------------------------
DROP TABLE IF EXISTS `student`;
CREATE TABLE `student`  (
`stu_id` int(11) NOT NULL AUTO_INCREMENT COMMENT '编号',
`stu_num` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '账号',
`stu_name` varchar(30) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '姓名',
`stu_sex` varchar(10) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '性别',
`stu_age` int(11) NOT NULL COMMENT '年龄',
`stu_class` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '班级',
`major` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '专业',
`department` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '院系',
PRIMARY KEY (`stu_id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 34 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Compact;
-- ----------------------------
-- Records of student
-- ----------------------------
INSERT INTO `student` VALUES (1, '160341', '王五', '女', 21, '信管1601', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (2, '170340', '张三', '男', 20, '计科1701', '计算机', '商贸学院');
INSERT INTO `student` VALUES (3, '170339', '李四', '男', 20, '计科1701', '计算机', '商贸学院');
INSERT INTO `student` VALUES (4, '170343', '陈留', '男', 21, '计科1701', '计算机', '商贸学院');
INSERT INTO `student` VALUES (5, '160342', '盛祎琛', '女', 19, '信管1602', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (6, '160343', '闫玉平', '女', 20, '信管1601', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (7, '160344', '陈淑婷', '女', 20, '信管1601', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (8, '160345', '周梦琪', '女', 20, '信管1601', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (9, '160346', '曾智', '女', 20, '信管1601', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (10, '160347', '百鬼丸', '男', 20, '信管1601', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (11, '160348', '多罗罗', '男', 20, '信管1601', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (12, '160349', '伊藤健太郎', '男', 20, '信管1601', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (13, '160350', '贺来贤人', '男', 20, '信管1601', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (14, '160351', '服部平次', '男', 20, '信管1601', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (15, '160352', '柯南', '男', 20, '信管1601', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (16, '170353', '时崎狂三', '女', 21, '计科1601', '计算机', '商贸学院');
INSERT INTO `student` VALUES (17, '170354', '坂本', '男', 21, '计科1601', '计算机', '商贸学院');
INSERT INTO `student` VALUES (18, '170355', '夏瀚宇', '男', 21, '计科1601', '计算机', '商贸学院');
INSERT INTO `student` VALUES (19, '170356', '管栎', '男', 21, '计科1602', '计算机', '商贸学院');
INSERT INTO `student` VALUES (20, '170357', '连淮伟', '男', 21, '计科1602', '计算机', '商贸学院');
INSERT INTO `student` VALUES (21, '170358', '杨芸晴', '女', 21, '计科1603', '计算机', '商贸学院');
INSERT INTO `student` VALUES (22, '170359', '赖美云', '女', 21, '计科1603', '计算机', '商贸学院');
INSERT INTO `student` VALUES (23, '170360', '灰二', '男', 21, '计科1603', '计算机', '商贸学院');
INSERT INTO `student` VALUES (24, '160352', '潘思言', '男', 20, '信管1701', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (25, '160352', '杨皓鹏', '男', 20, '信管1701', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (26, '160352', '王子', '男', 20, '信管1701', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (27, '160352', '宫崎骏', '男', 20, '信管1801', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (28, '160352', '胡春阳', '男', 20, '信管1801', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (29, '160352', '阿云嘎', '男', 20, '信管1801', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (30, '160352', '吴磊', '男', 20, '信管1703', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (31, '160352', '魏大勋', '男', 20, '信管1703', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (32, '160352', '白敬亭', '男', 19, '信管1703', '信息管理与信息系统', '商贸学院');
INSERT INTO `student` VALUES (33, '160352', '铃屋十造', '男', 18, '信管1802', '信息管理与信息系统', '商贸学院');
-- ----------------------------
-- Table structure for teacher
-- ----------------------------
DROP TABLE IF EXISTS `teacher`;
CREATE TABLE `teacher`  (
`tea_id` int(11) NOT NULL AUTO_INCREMENT COMMENT '编号',
`tea_num` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '工号',
`tea_name` varchar(30) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '姓名',
`tea_sex` varchar(10) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '性别',
`tea_age` int(11) NOT NULL COMMENT '年龄',
`tea_course` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '所任课程',
`major` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '专业',
`department` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '院系',
PRIMARY KEY (`tea_id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 7 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Compact;
-- ----------------------------
-- Records of teacher
-- ----------------------------
INSERT INTO `teacher` VALUES (1, '1123', '肖兴江', '男', 30, 'java入门基础', '计算机', '商贸学院');
INSERT INTO `teacher` VALUES (2, '1124', '汪维清', '男', 25, 'C++程序设计教程', '计算机', '商贸学院');
INSERT INTO `teacher` VALUES (3, '1125', '胡继宽', '男', 32, '计算机组成原理', '信息管理与信息系统', '商贸学院');
INSERT INTO `teacher` VALUES (4, '1126', '郑蔚', '女', 34, '信息检索', '信息管理与信息系统', '商贸学院');
INSERT INTO `teacher` VALUES (5, '1127', '丁华峰', '男', 40, '操作系统原理', '计算机', '商贸学院');
INSERT INTO `teacher` VALUES (6, '1128', '杜治国', '男', 35, '管理信息系统', '信息管理与信息系统', '商贸学院');
-- ----------------------------
-- Table structure for user
-- ----------------------------
DROP TABLE IF EXISTS `user`;
CREATE TABLE `user`  (
`user_id` int(11) NOT NULL AUTO_INCREMENT COMMENT '用户编号',
`user_num` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '用户账号',
`user_name` varchar(30) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '用户名',
`password` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '密码',
`phone` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '用户电话',
`role_id` int(11) NOT NULL COMMENT '角色编号（外键）',
PRIMARY KEY (`user_id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 41 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Compact;
-- ----------------------------
-- Records of user
-- ----------------------------
INSERT INTO `user` VALUES (1, '160341', '王五', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (2, '170340', '张三', '123456', '15869483651', 0);
INSERT INTO `user` VALUES (3, '170339', '李四', '123456', '13589462584', 0);
INSERT INTO `user` VALUES (6, '1123', '肖兴江', '123456', '17418953551', 1);
INSERT INTO `user` VALUES (7, '1124', '汪维清', '123456', '15897683584', 1);
INSERT INTO `user` VALUES (8, '170343', '陈留', '123456', '12457891862', 0);
INSERT INTO `user` VALUES (9, '1125', '胡继宽', '123456', '12378945862', 1);
INSERT INTO `user` VALUES (10, '1126', '郑蔚', '123456', '13589462584', 1);
INSERT INTO `user` VALUES (11, '1000', 'admin', '123456', '18179586325', 2);
INSERT INTO `user` VALUES (12, '1127', '丁华峰', '123456', '16123598785', 1);
INSERT INTO `user` VALUES (13, '1128', '杜治国', '123456', '13158794456', 1);
INSERT INTO `user` VALUES (14, '160344', '陈淑婷', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (15, '160345', '周梦琪', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (16, '160346', '曾智', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (17, '160347', '百鬼丸', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (18, '160348', '多罗罗', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (19, '160349', '伊藤健太郎', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (20, '160350', '贺来贤人', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (21, '170358', '杨芸晴', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (22, '170359', '赖美云', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (23, '170360', '灰二', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (24, '160352', '潘思言', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (25, '160352', '杨皓鹏', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (26, '160352', '王子', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (27, '160352', '宫崎骏', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (28, '160352', '胡春阳', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (29, '160352', '阿云嘎', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (30, '160352', '吴磊', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (31, '160352', '魏大勋', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (32, '160352', '白敬亭', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (33, '160352', '铃屋十造', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (34, '160351', '服部平次', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (35, '160352', '柯南', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (36, '170353', '时崎狂三', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (37, '170354', '坂本', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (38, '170355', '夏瀚宇', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (39, '170356', '管栎', '123456', '14829726746', 0);
INSERT INTO `user` VALUES (40, '170357', '连淮伟', '123456', '14829726746', 0);
-- ----------------------------
-- Triggers structure for table student
-- ----------------------------
DROP TRIGGER IF EXISTS `stuLogin`;
delimiter ;;
CREATE TRIGGER `stuLogin` AFTER DELETE ON `student` FOR EACH ROW begin 
delete from user where user_num=old.stu_num;
end
;;
delimiter ;
-- ----------------------------
-- Triggers structure for table teacher
-- ----------------------------
DROP TRIGGER IF EXISTS `teaLogin`;
delimiter ;;
CREATE TRIGGER `teaLogin` AFTER DELETE ON `teacher` FOR EACH ROW begin
delete from user where user_num=old.tea_num;
end
;;
delimiter ;
SET FOREIGN_KEY_CHECKS = 1;

java链接数据库文件

package db;
import java.io.IOException;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Properties;
public class DBCon {
Connection con = null;
Statement st = null;
ResultSet rs = null;
String driver=null;
String url = null;
String username = null;
String password = null;
public Connection dbCon() {
try {
InputStream is=DBCon.class.getClassLoader().getResourceAsStream("db.properties");
Properties prop=new Properties();
try {
prop.load(is);
driver=prop.getProperty("driver");
url=prop.getProperty("url");
username=prop.getProperty("username");
password=prop.getProperty("password");
} catch (IOException e1) {
e1.printStackTrace();
}
Class.forName(driver);
/*Class.forName("com.mysql.jdbc.Driver");
url = "jdbc:mysql:///sams?useUnicode=true&characterEncoding=utf8";
username = "root";
password = "root";*/
try {
con = DriverManager.getConnection(url, username, password);
} catch (SQLException e) {
e.printStackTrace();
}
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
return con;
}
/*
* 增删改
*/
public int query(String sql) {
int rs = 0;
con = dbCon();
try {
st = con.createStatement();
rs = st.executeUpdate(sql);
} catch (SQLException e) {
close();
e.printStackTrace();
}
return rs;
}
/*
* 查
*/
public ResultSet find(String sql) {
try {
con = dbCon();
st = con.createStatement();
rs = st.executeQuery(sql);
} catch (SQLException e) {
close();
e.printStackTrace();
}
return rs;
}
/*
* 关闭数据库
*/
public void close() {
try {
if (rs != null)
rs.close();
if (st != null)
st.close();
if (con != null)
con.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}

管理员查看成绩代码实现

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'selectblurScore.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">    
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<link rel="stylesheet" href="css/bootstrap.min.css">
<style type="text/css">
.div_list {
width: 75%;
margin: 0 auto;
margin-top: 50px;
margin-left: 20%;
}
#tableClass{
margin:0 auto;
width: 100%
}
.form1{
width: 200px;
display: inline-block
}
font {
color: red;
font-weight: bold;
text-align: center;
}
table{
margin:0 auto;
}
table tr td{
text-align: center;
width:150px;
height:40px;
}
a{
text-decoration: none;
cursor:pointer;
}
</style>
<script type="text/javascript">
function page(s){
var frm=document.getElementById("frm");
var pageNo=document.getElementById("pageNo");
pageNo.value=s;
frm.submit();
}
</script>
</head>
<body>
<form action="ServletSearchScore" method="post" id="frm">
<div class="div_list">
课程名：<input type="text" class="form-control form1"   name="cosName" value="${score.getCourseName() }" />&nbsp;&nbsp;&nbsp;&nbsp;
学&nbsp;&nbsp;&nbsp;&nbsp;号：<input type="text"  class="form1 form-control" name="stuNum" value="${score.getStuNum() }" />&nbsp;&nbsp;&nbsp;&nbsp;
姓&nbsp;&nbsp;&nbsp;&nbsp;名：<input type="text"  class="form1 form-control" name="stuName" value="${score.getStuName() }" /><br/><br/>
班&nbsp;&nbsp;&nbsp;&nbsp;级：<input type="text"  class="form1 form-control" name="stuClass" value="${score.getStuClass() }" />&nbsp;&nbsp;
专&nbsp;&nbsp;&nbsp;&nbsp;业：<input type="text"  class="form1 form-control" name="major" value="${score.getMajor() }" /> &nbsp;&nbsp;
<input type="submit" class="btn btn-primary" value="查询" /><br/><br/>
<div class=" panel panel-default">
<div class="panel-heading">成绩信息</div>
<table class="table panel-body" id="tableClass">
<tr>
<td>学号</td>
<td>姓名</td>
<td>班级</td>
<td>科目</td>
<td>成绩</td>
<td>专业</td>
<td>操作</td>
</tr>
<c:forEach var="list" items="${list.pbjs }">
<tr>
<td>${list.getStuNum() }</td>
<td>${list.getStuName() }</td>
<td>${list.getStuClass() }</td>
<td>${list.getCourseName() }</td>
<td>${list.getScoreGrade() }</td>
<td>${list.getMajor() }</td>
<td><a href="ServletSelectScore?scoreID=${list.getScoreID() }">修改</a>&nbsp;&nbsp;&nbsp;<a href="ServletDeleteScore?scoreID=${list.getScoreID() }" onclick="return confirm('是否确认删除？')">删除</a></td>
</tr>
</c:forEach>
<tr>
<td colspan="7">
<a onclick="page(1);">首页</a> 
<c:if test="${list.isPrevious() }">
<a onclick="page(${list.pageNo-1});">上一页</a>
</c:if> 
<c:if test="${(list.pageNo+1)<list.totalPage }">
<a onclick="page(${list.pageNo+1 });">${list.pageNo+1 }</a>
</c:if> 
<c:if test="${(list.pageNo+2)<list.totalPage }">
<a onclick="page(${list.pageNo+2 });">${list.pageNo+2 }</a>
</c:if> 
<c:if test="${list.isNext() }">
<a onclick="page(${list.pageNo+1});">下一页</a>
</c:if> 
<a onclick="page(${list.totalPage });">最后一页</a> <br /> 
跳转到：<input class="form-control form1"
id="pageNo" type="text" name="pageNo" value="${list.pageNo }" />
每页记录数：<input type="text" name="pageCount" class="form-control form1"
value="${list.pageCount }" /> 
<input
type="submit" class="btn btn-primary" value="跳转" /> 共有${list.totalPage }页</td>
</tr>
</table>
</div>
</div>
</form>
</body>
</html>