<filter>
    struts2
    org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter
  </filter>
  
  
    struts2
    /*
  
  
  <listener>
    org.springframework.web.context.ContextLoaderListener
  </listener> 
  
   
    index.jsp
   
  

<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.springframework.org/schema/beans 
    http://www.springframework.org/schema/beans/spring-beans-4.3.xsd">
    
    
    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="com.mysql.cj.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql://localhost:3306/myssh?useSSL=false"/>
        <property name="username" value="root"/>
        <property name="password" value="root"/>
    </bean>
    
    
    <bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
                <prop key="hibernate.show_sql">true</prop>
            </props>
        </property>
        <property name="mappingResources">
            <list>
                <value>com/school/entity/Course.hbm.xml</value>
            </list>
        </property>
    </bean>
    
    
    <bean id="courseDAO" class="com.school.dao.CourseDAOImpl">
        <property name="sessionFactory" ref="sessionFactory"/>
    </bean>
    
    
    <bean id="courseService" class="com.school.service.CourseServiceImpl">
        <property name="courseDAO" ref="courseDAO"/>
    </bean>
    
    
    <bean id="courseAction" class="com.school.action.CourseAction">
        <property name="courseService" ref="courseService"/>
    </bean>
</beans>

    <class name="com.school.entity.Course" table="course">
        <id name="courseId" type="java.lang.Integer">
            <column name="COURSE_ID" precision="22" scale="0"/>
            <generator class="identity"/>
        </id>
        <property name="courseName" type="java.lang.String">
            <column name="COURSE_NAME" length="50" not-null="true"/>
        </property>
        <property name="description" type="java.lang.String">
            <column name="DESCRIPTION" length="500" not-null="false"/>
        </property>
    </class>

package com.school.entity;

public class Course {
    private int courseId;
    private String courseName;
    private String description;
    
    public Course() {}
    
    public Course(int courseId, String courseName, String description) {
        this.courseId = courseId;
        this.courseName = courseName;
        this.description = description;
    }
    
    // 以下getter/setter省略
}