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>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 
</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>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 
</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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SSM整合之---简单选课系统

简单选课系统

一.实体图

二.功能

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