引入需要的jar包
@Entity
public 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;
@Override
public 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;
}
}
Teacher实体类
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);
}
TeacherDao
@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;
}
}
TeacherDaoImpl
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);
}
TeacherService
@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;
}
}
TeacherServiceImpl
@Namespace("/")
@ParentPackage("struts-default")
@Component
public 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;
}
}
AddAction
<?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="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>
applicationContext.xml文件
<?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>
web.xml文件
jdbc.properties文件自己定义即可
时间： 2024-10-13 16:12:47