@Entitypublic class Teacher {    @Id    @GeneratedValue(strategy=GenerationType.IDENTITY)  private   Integer  tId;  //编号  private   Integer  tAge; //年龄  private   String  tName;//姓名  private   Date  tDate;      @Overridepublic String toString() {    return "Teacher [tId=" + tId + ", tage=" + tAge + ", tName=" + tName            + ", tDate=" + tDate + "]";}public Teacher() {    super();}public Teacher(Integer tId, Integer tage, String tName, Date tDate) {    super();    this.tId = tId;    this.tAge = tage;    this.tName = tName;    this.tDate = tDate;}public Integer gettId() {    return tId;}public void settId(Integer tId) {    this.tId = tId;}public Integer gettAge() {    return tAge;}public void settAge(Integer tAge) {    this.tAge = tAge;}public String gettName() {    return tName;}public void settName(String tName) {    this.tName = tName;}public Date gettDate() {    return tDate;}public void settDate(Date tDate) {    this.tDate = tDate;}  }

public interface TeacherDao {    //新增    void  addTeacher(Teacher teacher);     //删除    void  deleteTeacher(Teacher teacher);    //修改    void  updateTeacher(Teacher teacher);    //查询    List<Teacher>  findTeachers();    //根据ID查询指定的teacher    Teacher findById(Integer id);    }

@Repository("teacherDao")public class TeacherDaoImpl implements TeacherDao {    @Autowired   // byType    private SessionFactory sessionFactory;        // 新增    public void addTeacher(Teacher teacher) {        sessionFactory.getCurrentSession().save(teacher);    }    // 删除    public  void deleteTeacher(Teacher teacher){        sessionFactory.getCurrentSession().delete(teacher);    }    // 修改    public void updateTeacher(Teacher teacher){        sessionFactory.getCurrentSession().update(teacher);    }    // 查询    public List<Teacher> findTeachers(){        return sessionFactory.getCurrentSession().createQuery("from  Teacher").list();    }        public Teacher findById(Integer id) {        //OpenSessionInView        //return (Teacher)sessionFactory.getCurrentSession().get(Teacher.class, id);        return (Teacher) sessionFactory.getCurrentSession().load(Teacher.class, id);    }        public SessionFactory getSessionFactory() {        return sessionFactory;    }    public void setSessionFactory(SessionFactory sessionFactory) {        this.sessionFactory = sessionFactory;    }        }

public interface TeacherService {    // 新增    void addTeacher(Teacher teacher);    // 删除    void deleteTeacher(Teacher teacher);    // 修改    void updateTeacher(Teacher teacher);    // 查询    List<Teacher> findTeachers();           //根据ID查询指定的teacher        Teacher findById(Integer id);}

@Service("teacherService")public class TeacherServiceImpl implements TeacherService {    @Resource(name="teacherDao")   //byName    private TeacherDao dao;        //新增    @Transactional    public void addTeacher(Teacher teacher) {       dao.addTeacher(teacher);    }    //删除    @Transactional    public void deleteTeacher(Teacher teacher) {        dao.deleteTeacher(teacher);    }    //修改    @Transactional    public void updateTeacher(Teacher teacher) {        dao.updateTeacher(teacher);    }    //查询所有    @Transactional(readOnly=true)    public List<Teacher> findTeachers() {       return    dao.findTeachers();    }        //查询指定的教师    @Transactional(readOnly=true)    public Teacher findById(Integer id) {        return dao.findById(id);    }        public TeacherDao getDao() {        return dao;    }    public void setDao(TeacherDao dao) {        this.dao = dao;    }        }

@Namespace("/")@ParentPackage("struts-default")@Componentpublic class AddAction extends ActionSupport {    private  String  name;    private  Integer  age;    private  Integer  id;    @Autowired    @Qualifier("teacherService")   //@Resource(name="teacherService")     private TeacherService  service;         public  String add(){         System.out.println("进入ladd");         Teacher teacher=new Teacher();         teacher.settAge(age);         teacher.settName(name);         service.addTeacher(teacher);         return  SUCCESS;     }          @Action(value="AddServlet",results={@Result(location="/success.jsp")})     public  String find(){         Teacher teacher=service.findById(id);         System.out.println(teacher);         return  SUCCESS;     }    public String getName() {        return name;    }    public void setName(String name) {        this.name = name;    }    public Integer getAge() {        return age;    }    public void setAge(Integer age) {        this.age = age;    }    public TeacherService getService() {        return service;    }    public void setService(TeacherService service) {        this.service = service;    }    public Integer getId() {        return id;    }    public void setId(Integer id) {        this.id = id;    }     }

<?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:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"    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/aop         http://www.springframework.org/schema/aop/spring-aop.xsd">    <!-- 配置数据源 dbcp数据源 -->    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">        <property name="driverClassName" value="${driverClass}" />        <property name="url" value="${jdbcUrl}" />        <property name="username" value="${user}" />        <property name="password" value="${password}"/>    </bean>    <!-- 使用配置文件 加载 数据库需要的4要素 经常使用 -->    <context:property-placeholder location="classpath:jdbc.properties" />            <!--配置sessionFactory -->     <bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">        <!-- 读取hibernate配置文件<property name="configLocation" value="http://www.mamicode.com/classpath:hibernate.cfg.xml"/> -->         <!-- 配置数据源 -->         <property name="dataSource" ref="dataSource"></property>         <!-- 扫描  包下面的  类 -->         <property name="packagesToScan" value="cn.bdqn.bean"/>         <property name="hibernateProperties">          <props>            <prop key="hibernate.hbm2ddl.auto">update</prop>            <prop key="hibernate.show_sql">true</prop>            <prop key="hibernate.format_sql">true</prop>            <!-- 当前的事务线程内  使用session   -->            <prop key="hibernate.current_session_context_class">org.springframework.orm.hibernate5.SpringSessionContext</prop>            <prop key="hibernate.dialect">org.hibernate.dialect.MySQLInnoDBDialect</prop>          </props>         </property>     </bean> <!-- 开启扫描包 --> <context:component-scan base-package="cn.bdqn.*"/><!--  配置事务管理器  -->  <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">    <property name="dataSource" ref="dataSource"/>  </bean>  <!--事务的注解  -->  <tx:annotation-driven transaction-manager="transactionManager"/> </beans>

<?xml version="1.0" encoding="UTF-8"?><web-app version="2.5"     xmlns="http://java.sun.com/xml/ns/javaee"     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"     xsi:schemaLocation="http://java.sun.com/xml/ns/javaee     http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">  <display-name></display-name>      <!-- 配置全局监听器 确保 容器 对象 只被实例化一次！ -->   <listener>    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>   </listener>  <!--  默认xml名称 必须是 applicationContext.xml 必须在 WEB-INF的根目录下     现在我们 设置applicationContext.xml文件的路径     我们也可以更改 xml文件的名称 -->   <context-param>    <param-name>contextConfigLocation</param-name>    <param-value>classpath:applicationContext.xml</param-value>  </context-param>            <!-- 设置openSessionInView  必须在struts2的核心控制器 之前  不然会起作用 -->   <filter>   <filter-name>open</filter-name>    <filter-class>org.springframework.orm.hibernate5.support.OpenSessionInViewFilter</filter-class>  </filter>     <filter-mapping>     <filter-name>open</filter-name>     <url-pattern>/*</url-pattern>   </filter-mapping>       <!--配置struts2的核心控制器  -->     <filter>   <filter-name>struts2</filter-name>    <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>  </filter>     <filter-mapping>     <filter-name>struts2</filter-name>     <url-pattern>/*</url-pattern>   </filter-mapping>           <servlet>    <servlet-name>AddServlet1</servlet-name>    <servlet-class>cn.bdqn.servlet.AddServlet</servlet-class>  </servlet>  <servlet-mapping>    <servlet-name>AddServlet</servlet-name>    <url-pattern>/AddServlet</url-pattern>  </servlet-mapping>    <welcome-file-list>    <welcome-file>index.jsp</welcome-file>  </welcome-file-list></web-app>