SSM整合之---简单选课系统
简单选课系统
一.实体图
二.功能
三.代码实现
1.SSM环境搭建
（1）pom.xml
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
</dependency>
<!-- 1.日志 -->
<!-- 实现slf4j接口并整合 -->
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>1.1.1</version>
</dependency> <!-- 2.数据库 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.37</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.2</version>
</dependency> <!-- DAO: MyBatis -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.3.0</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.3</version>
</dependency> <!-- 3.Servlet web -->
<dependency>
<groupId>taglibs</groupId>
<artifactId>standard</artifactId>
<version>1.1.2</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.5.4</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency> <!-- 4.Spring -->
<!-- 1)Spring核心 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<!-- 2)Spring DAO层 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<!-- 3)Spring web -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<!-- 4)Spring test -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>4.1.7.RELEASE</version>
</dependency> <!-- redis客户端:Jedis -->
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.7.3</version>
</dependency>
<dependency>
<groupId>com.dyuproject.protostuff</groupId>
<artifactId>protostuff-core</artifactId>
<version>1.0.8</version>
</dependency>
<dependency>
<groupId>com.dyuproject.protostuff</groupId>
<artifactId>protostuff-runtime</artifactId>
<version>1.0.8</version>
</dependency>
<!-- Map工具类 -->
<dependency>
<groupId>commons-collections</groupId>
<artifactId>commons-collections</artifactId>
<version>3.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/aopalliance/aopalliance -->
<dependency>
<groupId>aopalliance</groupId>
<artifactId>aopalliance</artifactId>
<version>1.0</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.aspectj/aspectjweaver -->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.9.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.aspectj/aspectjrt -->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>1.9.3</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.aspectj/aspectjweaver -->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.9.4</version>
</dependency> </dependencies>
（2）web.xml
<web-app>
<display-name>Archetype Created Web Application</display-name>
<!--配置spring的监听器,默认只加载WEB-INF文件下的applicationContext.xml配置文件-->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--设置配置文件的路径-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<!--过滤器,处理中文乱码-->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!--配置前端控制器-->
<servlet>
<servlet-name>SpringMVC</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springmvc.xml</param-value>
</init-param>
<!--启动服务器，创建该servlet-->
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>SpringMVC</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
（3）applicationContext.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!--扫描包，只扫描service和dao，controller不需要扫描-->
<context:component-scan base-package="com.ssm.dao,com.ssm.service"></context:component-scan>
<!--spring整合Mybatis框架-->
<!--配置连接池-->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="com.mysql.jdbc.Driver"></property>
<property name="jdbcUrl" value="jdbc:mysql://localhost:3306/zml03"></property>
<property name="user" value="root"></property>
<property name="password" value="root"></property>
</bean>
<!--配置SqlSessionFactory工厂-->
<bean id="sqlSessionFactoryBean" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<!--自动扫描UserDao.xml配置文件-->
<property name="mapperLocations" value="classpath:com/ssm/dao/*.xml"></property>
</bean>
<!--配置UserDao接口所在的包-->
<bean id="mapperScanner" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactoryBean"></property>
<property name="basePackage" value="com.ssm.dao"></property>
</bean>
<!--配置spring框架声明式事务管理-->
<!--配置事务管理-->
<bean id="dataSourceTransactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
<!--配置事务通知-->
<tx:advice id="txAdvice" transaction-manager="dataSourceTransactionManager">
<tx:attributes>
<tx:method name="find*" read-only="true"/>
<tx:method name="*" isolation="DEFAULT"/>
</tx:attributes>
</tx:advice>
<!-- 配置事务切面 -->
<!--<aop:config>-->
<!--<aop:advisor advice-ref="txAdvice" pointcut="execution(* com.ssm.service.Impl.*ServiceImpl.*(..))"></aop:advisor>-->
<!--</aop:config>-->
</beans>
（4）springmvc.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
">
<!--开启注解扫描，只扫描controller中的注解-->
<context:component-scan base-package="com.ssm.controller"></context:component-scan>
<!--配置视图解析器对象-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!--配置前缀-->
<property name="prefix" value="/"></property>
<!--配置后缀-->
<property name="suffix" value=".jsp"></property>
</bean>
<!--过滤静态资源-->
<mvc:resources mapping="/css/**" location="/css/"></mvc:resources>
<mvc:resources mapping="/images/**" location="/images/"></mvc:resources>
<mvc:resources mapping="/js/**" location="/js/"></mvc:resources>
<!--开启springmvc注解的支持-->
<mvc:annotation-driven/>
<mvc:default-servlet-handler/>
</beans>
2.entity
（1）Course.java
package com.ssm.entity;
public class Course {
private String cno;
private String cname;
private int ctime;
private int ccredit;
private String tno;
public String getCno() {
return cno;
}
public void setCno(String cno) {
this.cno = cno;
}
public String getCname() {
return cname;
}
public void setCname(String cname) {
this.cname = cname;
}
public int getCtime() {
return ctime;
}
public void setCtime(int ctime) {
this.ctime = ctime;
}
public int getCcredit() {
return ccredit;
}
public void setCcredit(int ccredit) {
this.ccredit = ccredit;
}
public String getTno() {
return tno;
}
public void setTno(String tno) {
this.tno = tno;
}
@Override
public String toString() {
return "Course{" +
"cno='" + cno + '\'' +
", cname='" + cname + '\'' +
", ctime=" + ctime +
", ccredit=" + ccredit +
", tno='" + tno + '\'' +
'}';
}
}
（2）Dective.java
package com.ssm.entity;
public class Dective {
private int dno;
private String sno;
private String cno;
private double achievement;
public int getDno() {
return dno;
}
public void setDno(int dno) {
this.dno = dno;
}
public String getSno() {
return sno;
}
public void setSno(String sno) {
this.sno = sno;
}
public String getCno() {
return cno;
}
public void setCno(String cno) {
this.cno = cno;
}
public double getAchievement() {
return achievement;
}
public void setAchievement(double achievement) {
this.achievement = achievement;
}
@Override
public String toString() {
return "Dective{" +
"dno=" + dno +
", sno='" + sno + '\'' +
", cno='" + cno + '\'' +
", achievement=" + achievement +
'}';
}
}
（3）Student.java
package com.ssm.entity;
public class Student {
private String sno;
private String sname;
private String ssex;
private String spassword;
public String getSno() {
return sno;
}
public void setSno(String sno) {
this.sno = sno;
}
public String getSname() {
return sname;
}
public void setSname(String sname) {
this.sname = sname;
}
public String getSsex() {
return ssex;
}
public void setSsex(String ssex) {
this.ssex = ssex;
}
public String getSpassword() {
return spassword;
}
public void setSpassword(String spassword) {
this.spassword = spassword;
}
@Override
public String toString() {
return "Student{" +
"sno='" + sno + '\'' +
", sname='" + sname + '\'' +
", ssex='" + ssex + '\'' +
", spassword='" + spassword + '\'' +
'}';
}
}
（4）Teacher.java
package com.ssm.entity;
public class Teacher {
private String tno;
private String tname;
private String tsex;
private String tpassword;
private String ttitle;
public String getTno() {
return tno;
}
public void setTno(String tno) {
this.tno = tno;
}
public String getTname() {
return tname;
}
public void setTname(String tname) {
this.tname = tname;
}
public String getTsex() {
return tsex;
}
public void setTsex(String tsex) {
this.tsex = tsex;
}
public String getTpassword() {
return tpassword;
}
public void setTpassword(String tpassword) {
this.tpassword = tpassword;
}
public String getTtitle() {
return ttitle;
}
public void setTtitle(String ttitle) {
this.ttitle = ttitle;
}
@Override
public String toString() {
return "Teacher{" +
"tno='" + tno + '\'' +
", tname='" + tname + '\'' +
", tsex='" + tsex + '\'' +
", tpassword='" + tpassword + '\'' +
", ttitle='" + ttitle + '\'' +
'}';
}
}
3.dao接口
（1）CourseDao.java
package com.ssm.dao;
import com.ssm.entity.Course;
import com.ssm.view.courseVo;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.stereotype.Repository;
import java.util.List;
@Repository
public interface CourseDao {
//查询所有课程信息
public List<Course> selectCourse();
//查看可选的所有课程
public List<courseVo> selectAllCourse();
}
（2）DectiveDao.java
package com.ssm.dao;
import com.ssm.entity.Dective;
import com.ssm.entity.Student;
import com.ssm.view.DectiveVo;
import com.ssm.view.StudentVo;
import com.ssm.view.courseVo;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Repository;
import java.util.List;
@Repository
public interface DectiveDao {
//插入选课记录
public void insertDective(Dective dective);
//学生查询自己的选课记录
public List<courseVo> selectMy(String sno);
//删除选课记录
public void deleteDective(Dective dective);
//查询成绩
public List<DectiveVo> selectGrade(String sno);
//查询选择了某个课程的所有学生信息
public List<StudentVo> courseStudent(String cname);
//录入成绩
public void grade(@Param("sno") String sno,@Param("cno") String cno,@Param("achievement") double achievement);
}
（3）StudentDao.java
package com.ssm.dao;
import com.ssm.entity.Student;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Repository;
@Repository
public interface StudentDao {
//根据sno查找用户的密码，检测登录
public String selectSpassword(String sno);
//根据sno查询学生信息
public Student selectone(String sno);
//修改学生信息
public void stuUpdate(@Param("spassword") String spassword,@Param("sno") String sno);
}
（4）TeacherDao.java
package com.ssm.dao;
import com.ssm.entity.Teacher;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Repository;
import java.util.List;
@Repository
public interface TeacherDao {
//根据tno查找用户的密码，检测登录
public String selectTpassword(String tno);
//根据tno查询老师信息
public Teacher selectte(String tno);
//修改老师信息
public void updatete(@Param("tpassword") String tpassword,@Param("tno") String tno);
//查询某个老师所教的所有课程
public List<String> selectMyCourse(String tno);
}
4.dao映射文件
（1）CourseDao.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPEmapper
PUBLIC"-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.ssm.dao.CourseDao">
<select id="selectCourse" resultType="com.ssm.entity.Course">
select * from course
</select>
<!--查询课程信息-->
<select id="selectAllCourse" resultType="com.ssm.view.courseVo">
select c.*,t.tname from course c,teacher t where c.tno = t.tno
</select>
</mapper>
（2）DectiveDao.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPEmapper
PUBLIC"-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.ssm.dao.DectiveDao">
<!--插入选课记录-->
<insert id="insertDective" parameterType="com.ssm.entity.Dective">
insert into dective(sno,cno) values(#{sno},#{cno})
</insert>
<!--删除选课记录-->
<delete id="deleteDective" parameterType="com.ssm.entity.Dective">
delete from dective where cno=#{cno} and sno=#{sno}
</delete>
<!--学生查询自己的选课记录,包括课程名称和授课教师姓名-->
<select id="selectMy" parameterType="String" resultType="com.ssm.view.courseVo">
select c.*,t.tname from dective d LEFT OUTER JOIN course c on d.cno=c.cno LEFT OUTER JOIN teacher t on c.tno=t.tno where d.sno=#{sno}
</select>
<!--学生查询成绩-->
<select id="selectGrade" parameterType="String" resultType="com.ssm.view.DectiveVo">
select achievement ,c.cname from dective d LEFT OUTER JOIN course c on d.cno=c.cno where sno=#{sno}
</select>
<!--查询选择某个课程的所有学生-->
<select id="courseStudent" parameterType="String" resultType="com.ssm.view.StudentVo">
select s.* ,c.cno,d.achievement from course c LEFT OUTER JOIN dective d on c.cno=d.cno LEFT OUTER JOIN student s on s.sno=d.sno where c.cname=#{cname}
</select>
<!--录入成绩-->
<update id="grade" parameterType="com.ssm.entity.Dective">
update dective set achievement=#{achievement} where sno=#{sno} and cno=#{cno}
</update>
</mapper>
（3）StudentDao.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPEmapper
PUBLIC"-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.ssm.dao.StudentDao">
<!--学生登录-->
<select id="selectSpassword" resultType="String">
select spassword from student where sno=#{sno}
</select>
<!--根据sno查询学生的信息-->
<select id="selectone" resultType="com.ssm.entity.Student" parameterType="String">
select * from student where sno=#{sno}
</select>
<!--修改学生信息-->
<update id="stuUpdate" parameterType="String">
update student set spassword=#{spassword} where sno=#{sno}
</update>
</mapper>
（4）TeacherDao.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPEmapper
PUBLIC"-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.ssm.dao.TeacherDao">
<!--老师登录-->
<select id="selectTpassword" resultType="String">
select tpassword from teacher where tno=#{tno}
</select>
<select id="selectte" parameterType="String" resultType="com.ssm.entity.Teacher">
select * from teacher where tno=#{tno}
</select>
<!--老师修改信息-->
<update id="updatete" parameterType="String">
update teacher set tpassword=#{tpassword} where tno=#{tno}
</update>
<!--查询老师的所有课程-->
<select id="selectMyCourse" resultType="String" parameterType="String">
select cname from course where tno=#{tno}
</select>
</mapper>
5.service接口
（1）CourseService.java
package com.ssm.service;
import com.ssm.entity.Course;
import com.ssm.view.courseVo;
import java.util.List;
public interface CourseService {
//查询所有课程信息
public List<Course> selectCourse();
//查看可选的所有课程
public List<courseVo> selectAllCourse();
}
（2）DectiveService.java
package com.ssm.service;
import com.ssm.entity.Dective;
import com.ssm.entity.Student;
import com.ssm.view.DectiveVo;
import com.ssm.view.StudentVo;
import com.ssm.view.courseVo;
import org.apache.ibatis.annotations.Param;
import java.util.List;
public interface DectiveService {
//插入选课记录
public void insertDective(Dective dective);
//学生查询自己的选课记录
public List<courseVo> selectMy(String sno);
//删除选课记录
public void deleteDective(Dective dective);
//查询成绩
public List<DectiveVo> selectGrade(String sno);
//查询选择了某个课程的所有学生信息
public List<StudentVo> courseStudent(String cname);
//录入成绩
public void grade(String sno, String cno,double achievement);
}
（3）StudentService.java
package com.ssm.service;
import com.ssm.entity.Student;
public interface StudentService {
//根据sno查找用户的密码，检测登录
public String selectSpassword(String sno);
//根据sno查询学生信息
public Student selectone(String sno);
//修改学生信息
public void stuUpdate(String spassword,String sno);
}
（4）TeacherService.java
package com.ssm.service;
import com.ssm.entity.Teacher;
import java.util.List;
public interface TeacherService {
//根据tno查找用户的密码，检测登录
public String selectTpassword(String tno);
//根据tno查询老师信息
public Teacher selectte(String tno);
//修改老师信息
public void updatete(String tpassword,String tno);
//查询某个老师所教的所有课程
public List<String> selectMyCourse(String tno);
}
6.service实现类
（1）CourseServiceImpl.java
package com.ssm.service.Impl;
import com.ssm.dao.CourseDao;
import com.ssm.entity.Course;
import com.ssm.service.CourseService;
import com.ssm.view.courseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
@Service
public class CourseServiceImpl implements CourseService {
@Autowired
private CourseDao courseDao;
@Override
public List<Course> selectCourse() {
return courseDao.selectCourse();
}
@Override
public List<courseVo> selectAllCourse() {
return courseDao.selectAllCourse();
}
}
（2）DectiveServiceImpl.java
package com.ssm.service.Impl;
import com.ssm.dao.DectiveDao;
import com.ssm.entity.Dective;
import com.ssm.entity.Student;
import com.ssm.service.DectiveService;
import com.ssm.view.DectiveVo;
import com.ssm.view.StudentVo;
import com.ssm.view.courseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
@Service
public class DectiveServiceImpl implements DectiveService {
@Autowired
private DectiveDao dectiveDao;
//插入选课记录
@Override
public void insertDective(Dective dective) {
dectiveDao.insertDective(dective);
}
//学生查询自己的选课记录
@Override
public List<courseVo> selectMy(String sno) {
return dectiveDao.selectMy(sno);
}
//删除选课记录
@Override
public void deleteDective(Dective dective) {
dectiveDao.deleteDective(dective);
}
@Override
public List<DectiveVo> selectGrade(String sno) {
return dectiveDao.selectGrade(sno);
}
@Override
public List<StudentVo> courseStudent(String cname) {
return dectiveDao.courseStudent(cname);
}
@Override
public void grade(String sno, String cno,double achievement) {
dectiveDao.grade(sno,cno,achievement);
}
}
（3）StudentServiceImpl.java
package com.ssm.service.Impl;
import com.ssm.dao.StudentDao;
import com.ssm.entity.Student;
import com.ssm.service.StudentService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@Service
public class StudentServiceImpl implements StudentService {
@Autowired
private StudentDao studentDao;
@Override
public String selectSpassword(String sno) {
return studentDao.selectSpassword(sno);
}
@Override
public Student selectone(String sno) {
return studentDao.selectone(sno);
}
@Override
public void stuUpdate(String spassword,String sno) {
studentDao.stuUpdate(spassword,sno);
}
}
（4）TeacherServiceImpl.java
package com.ssm.service.Impl;
import com.ssm.dao.TeacherDao;
import com.ssm.entity.Teacher;
import com.ssm.service.TeacherService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
@Service
public class TeacherServiceImpl implements TeacherService {
@Autowired
private TeacherDao teacherDao;
@Override
public String selectTpassword(String tno) {
return teacherDao.selectTpassword(tno);
}
@Override
public Teacher selectte(String tno) {
System.out.println(teacherDao.selectte(tno));
return teacherDao.selectte(tno);
}
@Override
public void updatete(String tpassword, String tno) {
teacherDao.updatete(tpassword,tno);
}
@Override
public List<String> selectMyCourse(String tno) {
return teacherDao.selectMyCourse(tno);
}
}
7.controller
（1）CourseController.java
package com.ssm.controller;
import com.ssm.service.Impl.CourseServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
@Controller
@RequestMapping("/courseController")
public class CourseController {
@Autowired
private CourseServiceImpl courseService;
@RequestMapping("/selectCourse")
public ModelAndView selectCourse(){
ModelAndView modelAndView=new ModelAndView();
modelAndView.addObject("list",courseService.selectCourse());
modelAndView.setViewName("list");
return modelAndView;
}
//查询所有课程信息
@RequestMapping("/selectAllCourse")
public ModelAndView selectAllCourse(){
ModelAndView modelAndView=new ModelAndView();
modelAndView.addObject("courseVo",courseService.selectAllCourse());
modelAndView.setViewName("courseVo");
return modelAndView;
}
//查询所有课程信息
@RequestMapping("/selectAll")
public ModelAndView selectAll(){
ModelAndView modelAndView=new ModelAndView();
modelAndView.addObject("lookCourse",courseService.selectAllCourse());
modelAndView.setViewName("lookCourse");
return modelAndView;
}
}
（2）DectiveController.java
package com.ssm.controller;
import com.ssm.entity.Dective;
import com.ssm.service.Impl.DectiveServiceImpl;
import com.ssm.view.DectiveList;
import com.ssm.view.DectiveVo;
import com.ssm.view.StudentVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
import javax.servlet.http.HttpSession;
import java.util.List;
@Controller
@RequestMapping("/dectiveController")
public class DectiveController {
@Autowired
private DectiveServiceImpl dectiveService;
//插入选课记录
@RequestMapping("/insertDective")
public String insertDective(HttpSession httpSession,String cno){
Dective dective=new Dective();
dective.setCno(cno);
dective.setSno((String)httpSession.getAttribute("sno"));
System.out.println("cno:"+cno+",sno:"+httpSession.getAttribute("sno"));
dectiveService.insertDective(dective);
return "redirect:/courseController/selectAllCourse";
}
//查询自己选过的课程
@RequestMapping("/selectMy")
public ModelAndView selectMy(HttpSession httpSession){
ModelAndView modelAndView=new ModelAndView();
modelAndView.addObject("selectMy",dectiveService.selectMy((String)httpSession.getAttribute("sno")));
modelAndView.setViewName("myDective");
return modelAndView;
}
//删除选课记录
@RequestMapping("/deleteDective")
public String deleteDective(HttpSession httpSession,String cno){
Dective dective=new Dective();
dective.setCno(cno);
dective.setSno((String)httpSession.getAttribute("sno"));
dectiveService.deleteDective(dective);
return "redirect:selectMy";
}
//查询成绩
@RequestMapping("selectGrade")
public ModelAndView selectGrade(HttpSession session){
ModelAndView modelAndView=new ModelAndView();
List<DectiveVo> list=dectiveService.selectGrade((String)session.getAttribute("sno"));
System.out.println(list);
modelAndView.addObject("selectGrade",list);
modelAndView.setViewName("myGrade");
return modelAndView;
}
//查询选择了某个课程的所有学生信息
@RequestMapping("/courseStudent")
public ModelAndView courseStudent(String cname){
ModelAndView modelAndView=new ModelAndView();
modelAndView.addObject("student",dectiveService.courseStudent(cname));
modelAndView.setViewName("courseStudent");
return modelAndView;
}
//查询选择某个课程的所有学生
@RequestMapping("/courseAllStudent")
public ModelAndView courseAllStudent(String cname){
ModelAndView modelAndView=new ModelAndView();
modelAndView.addObject("studentVo",dectiveService.courseStudent(cname));
modelAndView.setViewName("grade");
return modelAndView;
}
//录入成绩
@RequestMapping("/grade")
public String grade(DectiveList dectiveList){
System.out.println(dectiveList);
for(Dective dective:dectiveList.getDectiveList()){
String sno=dective.getSno();
String cno=dective.getCno();
double achievement=dective.getAchievement();
dectiveService.grade(sno,cno,achievement);
}
return "redirect:/teacherController/selectAllCourse";
}
}
（3）StudentController.java
package com.ssm.controller;
import com.ssm.service.Impl.StudentServiceImpl;
import org.omg.CORBA.Request;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpRequest;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;
import javax.servlet.http.HttpSession;
@Controller
@RequestMapping("/studentController")
public class StudentController {
@Autowired
private StudentServiceImpl studentService;
//检测登录
@RequestMapping("/selectSpassword")
public String selectSpassword(HttpSession session, String sno, String password){
String pwd=studentService.selectSpassword(sno);
System.out.println(pwd);
if(pwd.equals(password)){
session.setAttribute("sno",sno);
return "redirect:selectone";
}else{
return "index";
}
}
//根据sno查询信息
@RequestMapping("/selectone")
public ModelAndView selectone(HttpSession session){
ModelAndView modelAndView=new ModelAndView();
modelAndView.addObject("student",studentService.selectone((String)session.getAttribute("sno")));
modelAndView.setViewName("student");
return modelAndView;
}
//根据sno查询信息
@RequestMapping("/selectstu")
public ModelAndView selectstu(HttpSession session){
ModelAndView modelAndView=new ModelAndView();
modelAndView.addObject("student",studentService.selectone((String)session.getAttribute("sno")));
modelAndView.setViewName("studentUpdate");
return modelAndView;
}
//修改学生信息
@RequestMapping("stuUpdate")
public String stuUpdate(HttpSession session,String spassword){
System.out.println("密 码： "+spassword);
studentService.stuUpdate(spassword,(String)session.getAttribute("sno"));
return "redirect:selectone";
}
}
（4）TeacherController.java
package com.ssm.controller;
import com.ssm.entity.Teacher;
import com.ssm.service.Impl.TeacherServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
import javax.servlet.http.HttpSession;
@Controller
@RequestMapping("/teacherController")
public class TeacherController {
@Autowired
private TeacherServiceImpl teacherService;
//老师登录
@RequestMapping("/selectTpassword")
public String selectTpassword(HttpSession session,String tno ,String tpassword){
String pwd=teacherService.selectTpassword(tno);
System.out.println(pwd);
if(pwd.equals(tpassword)){
session.setAttribute("tno", tno);
return "redirect:selectte";
}else{
return "index";
}
}
//根据tno查询老师信息
@RequestMapping("/selectte")
public ModelAndView selectte(HttpSession session){
ModelAndView modelAndView=new ModelAndView();
String t=(String)session.getAttribute("tno");
Teacher te=teacherService.selectte(t);
modelAndView.addObject("teacher",te);
System.out.println(te);
modelAndView.setViewName("teacher");
return modelAndView;
}
@RequestMapping("/selectone")
public ModelAndView selectone(HttpSession session){
ModelAndView modelAndView=new ModelAndView();
String t=(String)session.getAttribute("tno");
Teacher te=teacherService.selectte(t);
modelAndView.addObject("teacher",te);
System.out.println(te);
modelAndView.setViewName("teacherUpdate");
return modelAndView;
}
//修改老师信息
@RequestMapping("/updatete")
public String updatete(HttpSession session,String tpassword){
teacherService.updatete(tpassword,(String)session.getAttribute("tno"));
return "redirect:selectte";
}
//查询老师的所有课程
@RequestMapping("/selectMyCourse")
public ModelAndView selectMyCourse(HttpSession session){
ModelAndView modelAndView=new ModelAndView();
modelAndView.addObject("cname",teacherService.selectMyCourse((String)session.getAttribute("tno")));
modelAndView.setViewName("teacherCourse");
return modelAndView;
}
//查询老师的所有课程
@RequestMapping("/selectAllCourse")
public ModelAndView selectAllCourse(HttpSession session){
ModelAndView modelAndView=new ModelAndView();
modelAndView.addObject("cname",teacherService.selectMyCourse((String)session.getAttribute("tno")));
modelAndView.setViewName("courseAll");
return modelAndView;
}
}
8.view
（1）CourseVo.java
package com.ssm.view;
public class courseVo {
private String cno;
private String cname;
private int ctime;
private int tno;
private String tname;
public courseVo() {
}
public String getCno() {
return cno;
}
public void setCno(String cno) {
this.cno = cno;
}
public String getCname() {
return cname;
}
public void setCname(String cname) {
this.cname = cname;
}
public int getCtime() {
return ctime;
}
public void setCtime(int ctime) {
this.ctime = ctime;
}
public int getTno() {
return tno;
}
public void setTno(int tno) {
this.tno = tno;
}
public String getTname() {
return tname;
}
public void setTname(String tname) {
this.tname = tname;
}
public courseVo(String cno, String cname, int ctime, int tno, String tname) {
this.cno = cno;
this.cname = cname;
this.ctime = ctime;
this.tno = tno;
this.tname = tname;
}
@Override
public String toString() {
return "courseVo{" +
"cno='" + cno + '\'' +
", cname='" + cname + '\'' +
", ctime=" + ctime +
", tno=" + tno +
", tname='" + tname + '\'' +
'}';
}
}
（2）DectiveList.java
package com.ssm.view;
import com.ssm.entity.Dective;
import java.util.List;
public class DectiveList {
private List<Dective> dectiveList;
public List<Dective> getDectiveList() {
return dectiveList;
}
public void setDectiveList(List<Dective> dectiveList) {
this.dectiveList = dectiveList;
}
@Override
public String toString() {
return "DectiveList{" +
"dectiveList=" + dectiveList +
'}';
}
}
（3）DectiveVo.java
package com.ssm.view;
public class DectiveVo {
private String cname;
private double achievement;
public String getCname() {
return cname;
}
public void setCname(String cname) {
this.cname = cname;
}
public double getAchievement() {
return achievement;
}
public void setAchievement(double achievement) {
this.achievement = achievement;
}
@Override
public String toString() {
return "DectiveVo1{" +
"cname='" + cname + '\'' +
", achievement=" + achievement +
'}';
}
}
（4）StudentVo.java
package com.ssm.view;
public class StudentVo {
private String sno;
private String sname;
private String ssex;
private String spassword;
private String cno;
private double achievement;
public String getSno() {
return sno;
}
public void setSno(String sno) {
this.sno = sno;
}
public String getSname() {
return sname;
}
public void setSname(String sname) {
this.sname = sname;
}
public String getSsex() {
return ssex;
}
public void setSsex(String ssex) {
this.ssex = ssex;
}
public String getSpassword() {
return spassword;
}
public void setSpassword(String spassword) {
this.spassword = spassword;
}
public String getCno() {
return cno;
}
public void setCno(String cno) {
this.cno = cno;
}
public double getAchievement() {
return achievement;
}
public void setAchievement(double achievement) {
this.achievement = achievement;
}
@Override
public String toString() {
return "StudentVo{" +
"sno='" + sno + '\'' +
", sname='" + sname + '\'' +
", ssex='" + ssex + '\'' +
", spassword='" + spassword + '\'' +
", cno='" + cno + '\'' +
", achievement=" + achievement +
'}';
}
}
9.jsp页面
（1）courseAll.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@page isELIgnored="false" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<html>
<head>
<title>Title</title>
</head>
<body>
<c:forEach items="${cname}" var="name">
<a href="/dectiveController/courseAllStudent?cname=${name}">${name}</a>
</c:forEach>
</body>
</html>
（2）courseStudent.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@page isELIgnored="false" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<html>
<head>
<title>Title</title>
</head>
<body>
<table>
<tr>
<td>学号</td>
<td>姓名</td>
</tr>
<c:forEach items="${student}" var="Student">
<tr>
<td>${Student.sno}</td>
<td>${Student.sname}</td>
</tr>
</c:forEach>
</table>
</body>
</html>
（3）courseVo.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@page isELIgnored="false" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<html>
<head>
<title>Title</title>
</head>
<body>
<form>
<table>
<tr>
<td>课程编号</td>
<td>课程名称</td>
<td>课时</td>
<td>教师编号</td>
<td>教师姓名</td>
<td></td>
</tr>
<c:forEach items="${courseVo}" var="CourseVo">
<tr>
<td>${CourseVo.cno}</td>
<td>${CourseVo.cname}</td>
<td>${CourseVo.ctime}</td>
<td>${CourseVo.tno}</td>
<td>${CourseVo.tname}</td>
<td><a href="/dectiveController/insertDective?cno=${CourseVo.cno}">选课</a> </td>
</tr>
</c:forEach>
</table>
</form>
</body>
</html>
（4）grade.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@page isELIgnored="false" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<html>
<head>
<title>Title</title>
</head>
<body>
<%! int i=-1; %>
<form action="/dectiveController/grade" method="post">
<table>
<tr>
<td>课程编号</td>
<td>学号</td>
<td>姓名</td>
<td>成绩</td>
</tr>
<c:forEach items="${studentVo}" var="Student">
<% i=i+1;%>
<tr>
<td><input type="text" name="dectiveList[<%=i%>].cno" value="${Student.cno}" readonly="readonly"></td>
<td><input type="text" name="dectiveList[<%=i%>].sno" value="${Student.sno}" readonly="readonly"></td>
<td><input type="text" name="sname" value="${Student.sname}" readonly="readonly"></td>
<td><input type="text" name="dectiveList[<%=i%>].achievement" value="${Student.achievement}" ></td>
</tr>
</c:forEach>
</table>
<input type="submit">
</form>
</body>
</html>
（5）index.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
学生<a href="teacherlogin.jsp">老师</a>
<form action="studentController/selectSpassword" method="post">
学号：<input type="text" name="sno">
密码：<input type="text" name="password">
<input type="submit" >
</form>
</body>
</html>
（6）list.jsp
<%--
Created by IntelliJ IDEA.
User: Administrator
Date: 2019/8/17 0017
Time: 上午 10:44
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@page isELIgnored="false" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<html>
<head>
<title>Title</title>
</head>
<body>
${list}
<table>
<c:forEach items="${list2}" var="CourseVo">
<tr>
<td>${CourseVo.cno}</td>
<td>${CourseVo.cname}</td>
<td>${CourseVo.ctime}</td>
<td>${CourseVo.tno}</td>
<td>${CourseVo.tname}</td>
<td></td>
</tr>
</c:forEach>
</table>
</body>
</html>
（7）lookCourse.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@page isELIgnored="false" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<html>
<head>
<title>Title</title>
</head>
<body>
<table>
<tr>
<td>课程编号</td>
<td>课程名称</td>
<td>课时</td>
<td>教师编号</td>
<td>教师姓名</td>
</tr>
<c:forEach items="${lookCourse}" var="CourseVo">
<tr>
<td>${CourseVo.cno}</td>
<td>${CourseVo.cname}</td>
<td>${CourseVo.ctime}</td>
<td>${CourseVo.tno}</td>
<td>${CourseVo.tname}</td>
</tr>
</c:forEach>
</table>
</body>
</html>
（8）myDective.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@page isELIgnored="false" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<html>
<head>
<title>Title</title>
</head>
<body>
<form>
<table>
<tr>
<td>课程编号</td>
<td>课程名称</td>
<td>课时</td>
<td>教师编号</td>
<td>教师姓名</td>
<td></td>
</tr>
<c:forEach items="${selectMy}" var="CourseVo">
<tr>
<td>${CourseVo.cno}</td>
<td>${CourseVo.cname}</td>
<td>${CourseVo.ctime}</td>
<td>${CourseVo.tno}</td>
<td>${CourseVo.tname}</td>
<td><a href="/dectiveController/deleteDective?cno=${CourseVo.cno}">删除</a> </td>
</tr>
</c:forEach>
</table>
</form>
</body>
</html>
（9）myGrade.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@page isELIgnored="false" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<html>
<head>
<title>Title</title>
</head>
<body>
<form>
<table>
<tr>
<td>课程名称</td>
<td>成绩</td>
</tr>
<c:forEach items="${selectGrade}" var="DectiveVo">
<tr>
<td>${DectiveVo.cname}</td>
<td>${DectiveVo.achievement}</td>
</tr>
</c:forEach>
</table>
</form>
</body>
</html>
（10）student.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@page isELIgnored="false" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<html>
<head>
<title>Title</title>
</head>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JSP Page</title>
</head>
<body>
<a href="/courseController/selectAllCourse">选课</a><br>
<a href="/dectiveController/selectMy">查询已选课程</a><br>
<a href="/dectiveController/selectGrade">查询成绩</a><br>
<a href="/studentController/selectstu">修改信息</a>
<table>
<tr>
<td>学号</td>
<td>${student.sno}</td>
</tr>
<tr>
<td>姓名</td>
<td>${student.sname}</td>
</tr>
<tr>
<td>性别</td>
<td>${student.ssex}</td>
</tr>
<tr>
<td>密码</td>
<td>${student.spassword}</td>
</tr>
</table>
</body>
</html>
（11）studentUpdate.jsp
<%@page contentType="text/html"%>
<%@page pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JSP Page</title>
</head>
<body>
<form action="/studentController/stuUpdate" method="post">
<table>
<tr>
<td>学号</td>
<td><input type="text" value="${student.sno}" readonly="readonly"></td>
</tr>
<tr>
<td>姓名</td>
<td><input type="text" value="${student.sname}" readonly="readonly"></td>
</tr>
<tr>
<td>登录密码</td>
<td><input type="text" name="spassword" value="${student.spassword}"></td>
</tr>
</table>
<input type="submit">
</form>
</body>
</html>
（12）teacher.jsp
<%@page contentType="text/html"%>
<%@page pageEncoding="UTF-8"%>
<%@page isELIgnored="false" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JSP Page</title>
</head>
<body>
<a href="/teacherController/selectone">修改</a><br>
<a href="/courseController/selectAll">查询课程信息</a></a><br>
<a href="/teacherController/selectMyCourse">查询学生选课信息</a></a><br>
<a href="/teacherController/selectAllCourse">录入成绩</a></a><br>
<table>
<tr>
<td>教师编号:</td>
<td>${teacher.tno}</td>
</tr>
<tr>
<td>教师姓名:</td>
<td>${teacher.tname}</td>
</tr>
<tr>
<td>登录密码:</td>
<td>${teacher.tpassword}</td>
</tr>
</table>
</body>
</html>
（13）teacherCourse.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@page isELIgnored="false" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<html>
<head>
<title>Title</title>
</head>
<body>
<c:forEach items="${cname}" var="name">
<a href="/dectiveController/courseStudent?cname=${name}">${name}</a>
</c:forEach>
</body>
</html>
（14）teacherlogin.jsp
<%@page contentType="text/html"%>
<%@page pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JSP Page</title>
</head>
<body>
<a href="index.jsp">学生</a>老师
<form action="teacherController/selectTpassword" method="post">
教师编号：<input type="text" name="tno">
密码：<input type="text" name="tpassword">
<input type="submit"/>
</form>
</body>
</html>
（15）teacherUpdate.jsp
<%@page contentType="text/html"%>
<%@page pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JSP Page</title>
</head>
<body>
<form action="/teacherController/updatete" method="post">
<table>
<tr>
<td>教师编号</td>
<td><input type="text" value="${teacher.tno}" readonly="readonly"></td>
</tr>
<tr>
<td>教师姓名</td>
<td><input type="text" value="${teacher.tname}" readonly="readonly"></td>
</tr>
<tr>
<td>登录密码</td>
<td><input type="text" name="tpassword" value="${teacher.tpassword}"></td>
</tr>
</table>
<input type="submit">
</form>
</body>
</html>
=========================demo21==========================
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